On solving the provided question we can say that 2 decimal places =29.92 miles per hour
what is decimal?Integer and non-integer numbers are often expressed using the decimal numeral system. The Hindu-Arabic numeral system has been expanded to include non-integer values. Decimal notation is the name for the method used to represent numbers in the decimal system. A decimal is a number with a whole and a fractional component. Decimal numbers, which are in between integers, are used to express the numerical value of full and partially whole amounts. A decimal point separates the complete number and the fractional portion of a decimal number. The dot between the whole number and the fractions is known as the decimal point. A decimal number is, for instance, 25.5. In this instance, 25 is the entire number, while 5 is the
top speed is 26 knots,
1 knot = 1.15078 miles per hour
26 knots = 26 * 1.15078
= 29.92028 miles per hour
2 decimal places
=29.92 miles per hour
boat has a displacement of 96000 tons
1 ton = 0.907185 metric tonnes
96000 tons = 0.907185 * 96000
= 87,089.76 metric tonnes
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1. For
what value of x is the
3(x + 2)-2x = 12 true?
A. 6
B. 10
C. 12
D. 14
E. 18
1.4.1 Set
the equation
Answer: A. 6
Step-by-step explanation:
Answer: I think D.
Step-by-step explanation: why not pick D…..
Hope this helps^^
johns orchard yielded a harvest of 460 apples and 340 oranges .He managed to sell 20%of the apples and 30%of the oranges. Which fruit notched up a better sale?
Answer:
oranges
Step-by-step explanation:
20% of 460 = 92
30% of 340 = 102
there are 877 students taking College Algebra or Calculus. There are 478 students taking College Algebra, 428 students taking Calculus, and 29 students taking both College Algebra and Calculus. How many students are taking College Algebra, but not Calculus?
17.1
What is the solution to the equation --+?
X=-5
X=-4
X-5
Save and Exit
the solution of the given equation will be x =1
What is a System of Equations?
A system of equations in algebra is made up of two or more equations that are solved together. "A group of equations satisfied by the same set of variables are called a system of linear equations. Finding the values of the variables employed in the system of equations is the first step towards solving it. While maintaining the balance of the equations on both sides, we compute the values of the unknown variables. Finding a variable whose value makes the condition of all the given equations true is the primary goal of solving an equation system.
The given equation x -5 = -4
add +5 in both side we get
x = -4+5
x=1.
Hence the solution of the given equation will be x =1
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g(a)= -3a² + a
h(a) = 3a +4
Find (3g - 2h)(0)
A) 12
C) -8
B) -50
D) -38
Answer:yo no se come ablar ingles
Step-by-step explanation:
Which of the following are roots of the polynomial function?
Check all that apply.
F(x)=3-2-5x-3
A. 3-√√2
B. 1-√√3
□ C. -1
D. 3
DE 1+√3
F. 3+√√2
Answer:B
Step-by-step explanation:
Which equation represents a nonlinear function?
Answer:
A nonlinear function is a function in which the rate of change of the output (y) is not proportional to the rate of change of the input (x). In other words, a nonlinear function is a function where the graph of the function is not a straight line.
Here are a few examples of equations that represent nonlinear functions:
y = x^2: This is the equation for a parabolic function, which is a classic example of a nonlinear function.
y = sin(x): This is the equation for the sine function, which is periodic and nonlinear.
y = |x|: This is the equation for the absolute value function, which is nonlinear and has a "kink" at x = 0.
y = log(x): This is the equation for the natural logarithmic function, which is also nonlinear.
These are just a few examples of nonlinear functions. There are many other types of nonlinear functions, including polynomial, exponential, and trigonometric functions.
The last customer of the day calls telling you they purchased 80 meters of fencing to fence in
a circular area around their flagpole. They want to know how much area of concrete they'd
need to buy to cover the entire circular pad around the flagpole. Using their fence as the
circumference, calculate how much area they will need to cover with the concrete for their
circular pad.
The area of circle that is needed to be filled with concrete is 509 m².
What is the definition of a circle?
A circle is a kind of ellipse with zero eccentricity and two coinciding foci. The locus of points drawn at equal distances from the centre is also known as a circle. A circle's radius is the distance between its centre and its outer line. A circle's diameter is the line that divides it into two equal halves and is equal to twice its radius.
A circle in the plane has the following equation:
(x-h)^²+ (y-k)² = r²
When the coordinate points are aligned (x, y)
(h, k) is the centre of a circle's coordinate.
r denotes the radius of a circle.
where 2πr is the circumference of the circle
πr²=circle's area
Now,
Given that circumference of the area=80 m
2πr=180
2*22/7*r=80
r=80*7/44
r=140/11 m
then area of the circular pad=πr²
=22/7*140/11*140/11
=2*20*140/11
=5600/11
=509 m²
hence,
The area of circle that is needed to be filled with concrete is 509 m².
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Please work these out, If possible can someone just work out 1 providing solutions. Thanks
Answer:
See below for solution steps for parts (a) and (c)
Step-by-step explanation:
The trick here is to get all the roots to have the same radical. Each of the lowest radical is the square root pf a prime so cannot be reduced further
For example, in a, the lowest is [tex]\sqrt{3}[/tex]
So get all the others to this level a[tex]\sqrt{3}[/tex] and then you can just add up the non-radicals and use the radical as the common expression
I will solve a couple and that will give you a general idea of solving the rest
Let's do a.
[tex]5\sqrt{3} , \sqrt{3}[/tex] are already at the lowest radical level of [tex]\sqrt{3}[/tex] so let's reduce 108 to have [tex]\sqrt{108}[/tex] to have [tex]\sqrt{3}[/tex] as one of its components
We can factor 108 as follows;
108/3 = 36
So 108 = 36 x 3
√108 = √36 × √3 = 6√3
Therefore the original expression becomes
[tex]5\sqrt{3} - 6\sqrt{3} + \sqrt{3} = (5 - 6 + 1)\sqrt{3} = 0 \sqrt{3} = 0[/tex]
[tex]-------------------------------[/tex]
c.
[tex]2\sqrt{20} - 7\sqrt{5} + \sqrt{45}[/tex]
Lowest radical is [tex]\sqrt{5}[/tex] whose coefficient is 7
Factor 20 = 4 x 5
[tex]2\sqrt{20} = 2\sqrt{4 \times 5} = 2\sqrt{4} \times \sqrt{5} = 2\times 2 \times \sqrt{5}\\= \bold{4\sqrt{5}}[/tex]
Factor 45:
45 = 9 x 5
[tex]\sqrt{45} = \sqrt{9} \times \sqrt{5} = \bold{3\sqrt{5}}[/tex]
Original expression becomes:
[tex]4\sqrt{5} - 7\sqrt{5} + 3\sqrt{5}\\\\=(4 - 7 + 3)\sqrt{5}\\\\= 0 \sqrt{5}\\\\= 0\\----------------------------[/tex]
I am sure you can do the rest. If not post them as another question. Maybe someone else will answer a few of the ones I did not.
All the best
Find the x- and y-components of the vector d⃗ = (3. 0 km , 30 ∘ left of +y-axis). Express your answer using two significant figures. Enter the x and y components of the vector separated by a comma
For the information provided the x- and y-components of the vector are 1.5 km and 2.6 km, respectively.
To find the x- and y-components of the vector, we can use trigonometry.
The x-component of vector is given by:
d_x = d × cos(θ)
where d is the magnitude of the vector and θ is the angle between the vector and the x-axis.
In this case, d = 3.0 km and θ = 60 degrees (since the vector is 30 degrees to the left of the y-axis).
So, d_x = 3.0 km × cos(60°) = 1.5 km.
The y-component of vector is given by:
d_y = d × sin(θ)
In this case, d_y = 3.0 km × sin(60°) = 2.6 km.
Expressing the answer using two significant figures gives:
d_x = 1.5 km, d_y = 2.6 km.
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1. Which of the fractions are closer to 1 than to 0?
2. Which of the fractions are closer to 0 than to 1?
3. Write two fractions with a denominator of 8 that are closer to 0
than to 1.
4. Use the benchmark and the fractions and to write three
comparison statements.
Answer:
where’s the options??
Step-by-step explanation:
Find the value of x
(to
the nearest ten th).
31°
x
9
The value of x from the given triangle is 17.5 units.
What are trigonometric ratios?The sides and angles of a right-angled triangle are dealt with in Trigonometry. The ratios of acute angles are called trigonometric ratios of angles. The six trigonometric ratios are sine (sin), cosine (cos), tangent (tan), cotangent (cot), cosecant (cosec), and secant (sec).
We know that, sinθ= Opposite/Hypotenuse
Here, sin31°=9/x
0.515=9/x
x=9/0.515
x=17.5
Therefore, the value of x is 17.5 units.
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What is the y-
coordinate for the solution to the system of equations?
{−x + 3y = 9
{y=2/3x
Enter your answer as the correct value, like this: 42
The y-coordinate for the solution to the system of equations is 6.
What is LCM?In mathematics, the value that is equally divided by the two supplied numbers is known as the LCM of any two. Least Common Multiple is its full name. Another name for it is the Least Common Divisor (LCD).
When the fractions' denominators differ, LCM can also be used to add or subtract any two fractions. LCM is used to make the denominators common when doing any arithmetic operations using fractions, such as addition and subtraction. The simplifying process is facilitated by this procedure.
The system of equation is given as:
−x + 3y = 9
y = 2/3x
The second equation can be written as:
x = 3/2y
Substituting the value of x in equation 1:
-3/2y + 3y = 9
Take the LCM:
-3y + 6y / 2 = 9
-3y + 6y = 18
3y = 18
y = 6
Hence, the y-coordinate for the solution to the system of equations is 6.
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How can the statement be rewritten as a conditional statement in if-then form? the sum of the digits of a two-digit number is less than the value of the original two-digit number.
The statement "the sum of a two-digit number is less than the value of the original two-digit number" can be rewritten as conditional statement. If the sum of two digits of a two-digit number is less than the value of the original two-digit number, the number is valid.
A conditional statement, "if p, then q," with p representing the hypothesis and q representing the conclusion. We can identify the hypothesis and conclusion by rewriting the statement "the sum of the digits of a two-digit number is less than the value of the original two-digit number" as an if-then conditional statement.
The hypothesis is the condition that must be satisfied in order to valid the conclusion. In this case, the hypothesis is "the sum of the digits of a two-digit number is less than the value of the original two-digit number".
By combining these, we can rewrite the statement as follows:
If the sum of a two-digit number's digits is less than the value of the original two-digit number, the number is valid.
The hypothesis (the sum of the digits of a two-digit number is less than the value of the original two-digit number) is a sufficient condition for the conclusion, according to this conditional statement (the number is valid). In other words, if the hypothesis is correct, we can be certain that the conclusion is correct as well.
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Scientists are studying the temperature on a distant planet. Let y represent the temperature (in degrees Celsius). Let .x
represent the height above the surface (in kilometers). Suppose that x and y are related by the equation y = 47-5x.
The temperature on the surface of the planet, based on the equation for the temperature, is 47 degrees Celsius.
How to find the temperature ?The equation given of y = 47 - 5x, is such that every one kilometer that we go from the surface of the planet, the temperature reduces by 5 degrees Celsius.
What this means is that at the surface of the planet the temperature is 47 degrees Celsius because this is the temperature when we have not gone a single kilometer above the surface.
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The rest of the question is:
Note that a change can be an increase or a decrease.
For an increase, use a positive number. For a decrease, use a negative number.
What is the temperature on the surface of the planet?
Janet is shopping for bottles and formula for her
baby. Last month, the price of her favorite brand
of formula was $15 per can. She bought six
bottles last month. This month, the price of the
cans of formula has increased by 20%. As a
result, she will buy 50% fewer new bottles.
The cross-price elasticity for the new bottles
calculated using the cross-price elasticity
formula is
and the goods are
2.5; substitutes
1.2; substitutes
-2.5; complements
-1.2; complements
Answer:
Step-by-step explanation:
Cross-price elasticity of demand is a measure of the relationship between the prices of two goods and the quantity demanded of each. It is used to determine how changes in the price of one good affect the demand for another good.
In this scenario, Janet is shopping for formula and bottles for her baby. The price of her favorite brand of formula has increased by 20%, causing her to buy 50% fewer new bottles. The cross-price elasticity for the new bottles calculated using the cross-price elasticity formula is -2.5.
A negative cross-price elasticity value of -2.5 means that the two goods, formula and bottles, are complements. This indicates that an increase in the price of one good (the formula) leads to a decrease in the demand for the other good (the bottles). In other words, when the price of formula increases, Janet is less likely to buy as many new bottles because she is spending more on formula.
On the other hand, if the cross-price elasticity were positive, it would indicate that the two goods are substitutes. In that case, an increase in the price of one good (the formula) would lead to an increase in the demand for the other good (the bottles) as people switch to the cheaper alternative.
In summary, cross-price elasticity of demand is a useful tool for understanding the relationship between the prices of two goods and the quantity demanded of each, and can help businesses make informed decisions about pricing and product strategy.
The cross-price elasticity is -3.66., complements.
What is elasticity of demand?A demand that is elastic experiences a significant shift in quantity demanded as a result of a price adjustment. When the amount sought changes little as a result of a price adjustment, the demand is said to be inelastic.
The percentage change in the quantity demanded for one good has an impact on the percentage change in the price of another good, which is measured by the cross elasticity of demand.
Based on the values given above, the cross elasticity of demand will be:
= [(3 - 6) / (18 - 15)] × [(15 + 18) / (6 + 3)]
= (-3/3) × (33/9)
= -1 × 3.66
= -3.66%
Since it's a negative value, the goods are complement.
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Factor: 8x 4x 2x 5-23 +12
Answer:
this is the answer ................................
Graph the function f(x) = -x² - 2. Complete the table of function values below. x f(x) -2 -1 0 1 2 Use the graphing tool to graph the function.
The graph of the quadratic function is on the image at the end.
How to graph the quadratic function?Here we want to graph the quadratic function:
f(x) = -x² - 2
To do so, we can complete the table of values by evaluating the function.
if x = ±2 then:
f(±2) = -(±2)² - 2 = -4 - 2 = -6
if x = ±1
f(±1) = -(±1)² - 2 = -1 - 2 = -3
if x = 0
f(0) = -(0)² - 2 = - 2 = -2
Then we have the points:
(-2, -6), (-1, -3), (0, -2), (1, -3), (2, -6)
Now just graph these points and connect them with a curve. The graph of the parabola is below.
Sophia ate 18 candies in 4.5 minutes. How many candies did she eat per minute
what is it
Question
What is the relative minimum of the function?
Enter your answer in the box.
A coordinate plane with x axis increments of one increasing from negative 5 to 5 and y axis increments of one increasing from negative 5 to 5. The coordinate plane contains a parabola opening up with a vertex at begin ordered pair one comma negative five end ordered pair. The parabola crosses the y axis at begin ordered pair 0 comma negative 3 end ordered pair.
The relative minimum's coordinates are (1, -5).
How can you determine a function's relative minimum?The first derivative test can be used to determine if a continuous function's critical point is a relative minimum or maximum. Simply put, the first derivative is a relative minimum if it is negative to the left of the critical point and positive to the right of it.
The parabola's equation takes the following form because its vertex is at (1, -5).
y = a(x - 1)² - 5
where "a" is a constant that determines the shape of the parabola. Since the parabola crosses the y-axis at (0, -3), we can substitute these coordinates into the equation and solve for "a" as follows:
-3 = a(0 - 1)² - 5
-3 = a - 5
a = 2
Thus, the equation of the parabola is:
y = 2(x - 1)² - 5
The x-coordinate of the vertex is given by x = 1
find the corresponding y-coordinate by substituting x = 1 into the equation:
y = 2(1 - 1)²- 5 = -5
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Label each figure correctly. Area is understood to be square feet and perimeter is understood to be feet.
1. Area of the figure = 702 square feet.
Perimeter = 114 feet
2. Area of the figure = 20 square inches.
Perimeter = 24 inches.
How to Find the Area and Perimeter?Area of a rectangle = length * width
Perimeter of a shape = length of all the surrounding of a figure.
1. Area = area of rectangle 1 + area of rectangle 2 = 27 * 24 + 9 * 6
= 702 square feet.
Perimeter = 30 + 27 + 24 + 18 + 6 + 9 = 114 feet
2. Area = area of rectangle 1 + area of rectangle 2 = 7 * 2 + 3 * 2
= 20 square inches.
Perimeter = 7 + 2 + 3 + 3 + 2 + 3 + 2 + 2
= 24 inches.
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Note: Enter your answer and show all the steps that you use to solve this problem in the space provided.
A rectangle is shown with length x plus 10 and width 2 x plus 5. The inside of the rectangle is shaded other than an unshaded square with length x plus 1 and width x plus 1.
Write an expression for the area of the shaded region in its simplest form. Show all of your steps.
Answer:
x² + 23x + 49
Step-by-step explanation:
area of rectangle = length × width
Area of outer rectangle:
(x + 10) × (2x + 5) = 2x² + 5x + 20x + 50 = 2x² + 25x + 50
Area of unshaded square:
(x + 1)² = x² + 2x + 1
shaded area = area of outer rectangle - area of square
shaded area = 2x² + 25x + 50 - (x² + 2x + 1) =
= 2x² + 25x + 50 - x² - 2x - 1
= x² + 23x + 49
A chef bought 3 bags of beans. Each bag contains kilograms of beans. How
many kilograms of beans did she buy?
The chef bought a total of 4 1/5 kilograms of beans.
How many kilograms of beans did she buy?Number of bags of beans the chef bought= 3
Quantity of beans in each bag = 1 2/5 kilograms
Total kilograms of beans bought by the chef= Number of bags of beans the chef bought × Quantity of beans in each bag
= 3 × 1 2/5
= 3 × 7/5
= 21/5
= 4 1/5 kilograms of beans
Ultimately, the chef bought 4 1/5 kilograms of beans.
Complete question:
a chef bought 3 bags of beans. Each bag contains 1 2/5 kilogram of beans. How many kilograms of beans did she buy?
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2. The area of a garden plot can be represented by
the expression 85.2z - 58.8. The garden will be
divided into six sections for planting six different
vegetables. The sections will be equal in area.
Write an expression that represents the area of
each section.
The expression that represents the area of each section is 14z-9
How to find the expression?The expression to denote the area of each section would be: 14z -9
Given that,
The expression for the area of plot area 84z -54
The number of equal sections in which it is divided 6
To find,
The expression for each section = ?
The area of each section = (total area of the garden(/number of equal sections
= (84x-54)/6
= 6(14z-9)/6
=14z - 9
Thus, is the expression that would represent every section's area.
A research firm estimates the number of people who watch a television show. One rating point means that about 1,800,000 households watched the show. The top-rated television show during a certain week had a rating of 10.2. About how many households watched the show that week?
Based on the rating information of 10.2, a total of 1,800,000 households watched the show that week is 18360000 household.
How do ratings work?An evaluation of something's quality or appeal is given a rating. a 10 out of 10 value-for-money rating, as an illustration. The president's standing among the public is at its lowest point since assuming office.
Position is synonymous with ranking, evaluation, appraisal, and categorisation. Additional Ratings
Since 1 rating point is given = 1,800,000
Rating point = 1,800,000 household
Rating point = 10.2 × 1,800,000 household.
Rating point =18360000 household.
Therefore, correct to state that the number of households that watched the show that week are 18360000 household.
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x + 17 = -50 + x + 34 + 33
Regular pentagons ABCDE and PQRST are congruent to each other. What is the perimeter of pentagon PQRST?
The perimeter of the pentagon PQRST will be equal to the perimeter of the pentagon ABCDE.
What is the perimeter of the regular polygon?The regular polygon's edges are all identical to one another. The relationship between the number of sides to the mean distance determines the regular polygon's perimeter when it has n sides.
Then the perimeter of the pentagon ABCDE is given as,
P = AB + BC + CD + DE + EA
And the perimeter of the pentagon PQRST is given as,
P = PQ + QR + RS + ST + TP
Regular pentagons ABCDE and PQRST are congruent with each other. Then the perimeter of the pentagons will be identical to each other.
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The "-8" and "+8" on the left
cancel, leaving x by itself. What
number do we get on the right?
Enter the number that belongs in the green box.
X-8=6
+8+8
x = [?]
ha
35% off of a 85 dollar item
The amount after 35% off on a 85 dollar item will be $55.25
What is the percentage?Percentage is a way to express a number as a fraction of hundred. It is often used to represent proportions and ratios in a more convenient and understandable form, especially in financial statistical and financial contexts. For example, 50% means 50 per 100, or half of a given quantity. It is denoted using the symbol "%".
To find the sale price of an item that has a discount, you can use the following formula:
Sale price = Original price - (Discount percent × Original price)
In this case, the discount is 35% off of an $85 item. So we have:
Discount percent = 35%
Original price = $85
Substituting these values into the formula, we get:
Sale price = $85 - (35% × $85)
Sale price = $85 - $29.75
Sale price = $55.25
Therefore, the sale price of the item after a 35% discount is $55.25.
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What is the average rate of change? Problem in the picture
The average rate of change over the interval (-1, 2) of the function is 3.
What is a parabola?A parabola is a curve drawn in a plane. Where any point is at an equal distance from a fixed point (the focus) and a fixed straight line (the directrix).
A graph of the parabola is given.
The vertex is (-1, -4).
And the y-intercept is -3.
So, the equation of the parabola is,
y = (x + 1)² - 4.
The average rate of change over the interval (-1, 2):
= f(-1) - f(2)/(-1 - 2)
= (-4 - 5)/-3
= 3
Hence, 3 is the average rate of change.
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