Answer:
0.02
Step-by-step explanation:
HELP PLEASE ILL GIVE U 100 POINTS PLS HELP AND THE LAST ONE IS 20
Answer:
20
Step-by-step explanation:
4.51X3=
SHOWN WORK 13.53
Multiplication is the opposite of division. When we multiply 4.15*3 we get 13.53.
What do you mean by multiplication?Multiplication is one of the four basic arithmetic operations, alongside the addition, subtraction, and division. In math, multiply means the repeated addition of groups of the equal sizes.
The symbols for multiplication are cross (x), asterisk (*), and dot (.). You seem to utilize the cross a lot when you write in your notebooks. In both algebra and computer languages, the asterisk and dot are symbols (higher mathematics).
Commutative Property: According to this property, when we multiply two numbers, the result will not change depending on the order.
Associative property: It states that if we multiply three or more numbers consecutively, the order is irrelevant.
4.51
X 3
-----------
13.53
-----------
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A teacher surveys a random group of students about their preference for doing classwork
online or on paper. The results are shown in the table below.
STUDENT CLASSWORK
PREFERENCE
Preference
Online
Paper
Number of
Students
17
8
Based on the results, how many students out of 350 will most likely have a preference to
do their classwork online?
Show your work.
The number of students those who will most likely have their preference to do their classwork online is 238 out of 350
According to the question statement, A teacher surveys a random group of students about their preference for doing classwork online or on paper.
17 Preferred Online and 8 Preferred on paper.
We are supposed to find the number of students who will most likely have their preference to do their classwork online.
We will be using the concept of Probability for solving this.
[tex]Probability(Event)=\frac{Favourable Outcomes}{Total Outcomes}[/tex]
Probability(Event) = Favorable Outcomes/Total Outcomes
For the survey probability of students preferring online mode of classwork is = [tex]\frac{17}{17+8} =\frac{17}{25}[/tex]
= [tex]0.68[/tex]
Now if we consider a group of 350 students and probability of students preferring online mode of classwork as 0.68
Let the number students preferring online mode of classwork be "x"
so [tex]\frac{x}{350} =0.68[/tex]
or [tex]x=0.68*350\\x =238[/tex]
Therefore, the number of students those who will most likely have their preference to do their classwork online is 238 out of 350
Probability: P(A) = n(A)/n(S)where P(A) is the probability of an event “A”, n(A) is the number of favorable outcomes and n(S) is the total number of events in the sample space.
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Help, Theres a time limit!
Answer:
The answer is 2.72 * 10^8 sec.
Step-by-step explanation:
Distance between Earth and Sirius is 5.062 * 10^13 miles.
Time taken = Distance travelled/speed
5.062*10^13 miles/sec/1.86*10^5 miles.
=2.72 * 10^8 sec.
So this means that the time taken to travel light from Sirius to Earth is 2.72*10^8.
A rental car company charges $22.50 per day to rent a car and $0.10 for every mile driven. salma wants to rent a car, knowing that: she plans to drive 275 miles. she has at most $140 to spend
Salma can rent the car for at most 5 days while driving 275 miles
Although part of your question is missing, you might be referring to this full question: A rental car company charges $22.50 per day to rent a car and $0.10 for every mile driven. Salma wants to rent a car, knowing that: she plans to drive 275 miles. She has at most $140 to spend. Write and solve an inequality which can be used to determine, the number of days Salma can afford to rent the car while staying within her budget
The equation which addresses this problem is:
22.5x + 0.10(275) <=140
Let x be the number of days Salma can afford to rent the car
Per day rent of the car = $22.5
Cost per mile = $0.10
Plan to drive = 275 miles
Budget with Salma = $140
Equation:
22.5x + 0.10(275) <= 140
Solving the equation we get x <= 5
So, Salma can rent the car for at most 5 days while driving 275 miles
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What is the solution to this equation?
5(x-6) + 3 = -7
OA. x=4
OB. x=2
OC. x=3
OD. x = 5
SUBM
Answer:
the is X=4
Step-by-step explanation:
Distribute
5(x-6)+3= -7
5x-30+3= -7
add numbers
5x-30+3= -7
5x-27= -7
add 27 to both sides
5x-27= -7
5x-27+27= -7 + 27
simplfly
5x=20
divide both sides by 5
5x = 20
-- ----
5. 5
5 and 5 are off
divide 20 by 5
20/5= 4
therefore x= 4
hope this help if it does help I'd be happy if you follow and give me the brainliest answer
Shaneya purchased a membership to play basketball at her local gym. The membership costs $150 for the year, plus she pays $2 to rent equipment each time she goes. If Shaneya doesn't want to spend any more than $300 on basketball for the year, what is the maximum amount of times can she go to the gym to play?
Answer: maximum amount: 75 times a year
Step-by-step explanation:
characteristics of a number may be positive negative or always zero
Answer:
There is nothing positive or negative about zero. Zero is just zero. It is NEITHER positive NOR negative. To the right of zero on number line are positive numbers and on the left of zero, lie the negative numbers on the number line.
Answer:
Positive numbers are greater than 0 and located to the right of 0 on a number line. Negative numbers are less than 0 and located to the left of 0 on a number line. The number zero is neither positive nor negative.
Rachel has 15 markers. She gives 4 markers to
Jordan and 3 markers to Chris.
How many markers does Rachel have now?
The answer is 8 markers
Step-by-step explanation:
Since all children are collecting markers from Rachel who has 15 markers, the equation will be:
Markers Left = 15 - 4- 3
Markers Left = 11 - 3
Markers Left = 8
The parent graph for a linear function and an absolute value function are shown below. Compare and contrast the two functions. Please include information about the characteristics of each graph, including, but not limited to domain/range, shape of the graph, etc.
From the left, the first graph's characteristics is as follows
v shaped representing two straight line graphIt has two slopes, one is negative the other is positive slopeThe intercept is 0The domain is - 10 to 10The range is - 10 to 10The graph passed through the originThe second graph characteristics is as follows
The shape represents a single straight line graphThe graph has one positive slopeThe intercept is zeroThe domain is - 10 to 10The range is - 10 to 10This graph passed through the originWhat is a graph?A graph is a pictorial representation of values used in data presentation. A graph is very useful in research as the values can help show the relationship between the data obtained. Graphs can also be used to predict events and can have multiple other uses depending on the type of graph and the nature of data plotted.
A graph has so many features that varies by the type of graph and the information it is representing. The graph treated here is a straight line graph and the equation is: y = mx + c
where m is the slope , and c is the intercept
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The graph of the function f(x) = -(x + 3)(x - 1) is shown
below.
-6 -4-2
6
A
2
-2
-4
-6-
y
2
4
6
→
X
What is true about the domain and range of the function?
The domain is all real numbers less than or equal to
4, and the range is all real numbers such that -3 ≤x≤
1.
The domain is all real numbers such that -3 ≤ x ≤ 1,
and the range is all real numbers less than or equal to
4.
The domain is all real numbers, and the range is all
real numbers less than or equal to 4.
The domain is all real numbers less than or equal to
4, and the range is all real numbers.
Help please I don’t understand it What is the sum of these questions?
1.X - 10=-9
2.X + 10 = -3
3.x- 3 = 4
4. x / 5 =2
5.22= -11k
6.-13m = -377
7.b - 7= -1
8.-8 = p - 13
9.-40 = -5p
10.-2 = m / 16
I need some help since I don't comprehend what you're asking.
1. A(x) = (f(x)-f(a)) / (x-a) This average rate of change function is called A. The function f's input is represented by x minus a, while the function f's response to the input changing from a to x is represented by f(x) minus f(a).
f(5)=-2 f(9)=14 (f(5)-f(9))/(5-9)=(-2-14)/-4=4 from the table.
Over the range of x = 5 to x = 9, the average rate of change is 4.
2. g(x)=2x2+13x+1, f(x)=4x2+6x
(f/g)(x)=(4x²+6x)/(2x²+13x+1)
Using the numbers shown in the table, x = 4,5,6,7,8,9 and f(x) = 88,85,155,116,180,151,238.190,304,233,378.280
3. f(x)=x2-6x+8, g(x)=x-2, x2-6x-x+8+2=0, x2-7x+10=0 f(x)=g(x)x2-6x+8=x-2x2-6x-x+8+2=0
x₁,₂=(7⁺₋√(7²-4*10))/2=(7⁺₋3)/2 x₁=5, x₂=2
Because 2 doesn't appear in the table of values, the answer using the table of values is x=5.
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What is 7[2.5 + 3(12 - 7)] and can you please show me how to do it
Answer: 122.5
Step-by-step explanation:
First, you have to do the distributive property for all numbers. In order to do that, you must first combine like terms.
Combining like terms are numbers that are in the parenthesis that don't have an exponent, variable, etc. In this case, you would combine 12 and -7 since they are in the same parenthesis case. 12-7 would be 5. Now, you have 7[2.5] + 3(5)]
Next, you use PEMDAS which means multiplication (parenthesis) is next which means you multiply 3 and 5. 3x5 - 15.
After that, you combine like terms again with the 2.5 and the 15 since the 15 is now out of the parenthesis. 2.5 + 15 = 17.5
Finally, you take the 7 and multiply that by 17.5 now that you have those 2 numbers left and they are in the brackets. 17.5x7 is 122.5!
However, if there is a variable to solve for, then the answer would be none/no solution because both sides are not equal.
Using the protractor tool on the right, choose the image that represents an angle that is 100°.
Answer:
If I'm right it should be B.
Step-by-step explanation:
I looked it up
Colton looks around at an assembly. he notices his younger sister to his right and his older brother 7 feet ahead of him. if colton's brother and sister are 8 feet apart, how far apart are colton and his younger sister? if necessary, round to the nearest tenth.
Colton is approximately 3.9 feet apart from his younger sister.
Pythagoras Theorem:
The statement o the Pythagoras theorem is, "if a triangle is right-angled (90 degrees), then the square of the hypotenuse is equal to the sum of the squares of the other two sides. "
Then it can be written as,
BC² = AB² + AC².
Where,
AB is the base,
AC is the altitude (height), and
BC is the hypotenuse.
Given,
Colton looks around at an assembly. he notices his younger sister to his right and his older brother 7 feet ahead of him.
And Colton's brother and sister are 8 feet apart.
Now, we need to find the distance between Colton and his younger sister.
Based on the given statement, we can draw their position like the following figure.
Here B represents the position of Colton, A represents the position of his older brother and C represents the position of his younger sister.
Now, we have to use the Pythagoras Theorem in order to solve it,
=> 8² = BC² + 7².
=> 64 = BC² + 49
=> 64 - 49 = BC²
=> BC² = 15
=> BC = √15
Therefore,
=> BC ≈ 3.9 feet
Therefore, the distance between Colden and his younger sister is approximately 3.9 feet.
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PLEASE AM BEGGINNN YOUUUUU
Answer:
Step-by-step explanation:
A)
A - the population after its decrease
x - the number of years in which there has been a decrease in population
Hence,
[tex]\displaystyle\\A=30000-475x\\A+475x=30000-475x+475x\\A+475x=30000\\A+475x-A=30000-A\\475x=30000-A[/tex]
Divide both parts of the equation by 475:
[tex]\displaystyle\\x=\frac{30000-A}{475}[/tex]
B)
[tex]\displaystyle\\x=\frac{30000-24300}{475} \\\\x=\frac{5700}{475}\\\\x=\frac{12*475}{475} \\\\x=12\ years[/tex]
Please help I have no idea
Answer: a=5
Step-by-step explanation:
-4(7a+5)=-160
-28a-20=-160
-28a-20+20=-160+20
-28a=-140
a=5
Which set of values contains no integers?
A. {-5, 9/3, 7.2}
B. {2.2361, 4, 7.8}
C. {-12, -3.33, 2.6458}
D. {-23/5, 2.4495, 5.1}
Answer:
D
Step-by-step explanation:
Integers found in:
A: -5, 9/3 = 3
B: 4
C: -12
Hope this helped! ^^
A yard has a perimeter of 190 feet. If four times the length of the yard equals 15 times the width, what are its dimensions
We get the dimensions of the park as length = 75 feet and width = 20 feet.
We are given that:
A yard has a perimeter of 190 feet.
Also, four times the length of the yard equals 15 times the width.
Now,
Let the length of the yard be x.
ATQ, we get the width of the yard as:
15 width = 4 x
Width = 4 / 15 x
Perimeter = 2 ( l + b )
190 = 2( x + 4 / 15 x )
95 = 19 x / 15
19 x = 95 × 15
19 x = 1425
x = 1425 / 19
x = 75 feet.
Length = 75 feet
Width = 4 / 15 x = 20 feet.
Therefore, we get the dimensions of the park as length = 75 feet and width = 20 feet.
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Which of the following options are examples of how you can name the angle?
Answer:
<STP
Step-by-step explanation:
2(6-9)-31 helpppppppppppppppp
Answer: -37
Step-by-step explanation:
Use order of operations
2(6-9)-31
2(-3)-31
-6-31
= -37
PLEASE PLEASE ANSWER QUICK
What is the domain of the relation?
The length of a rectangle is 6 more than its width. The perimeter of the rectangle is 60 feet. If w is the width of the rectangle, which expression represents the length? w+5 w-5 5w 1/5w
The length expression is 6 + w
How to determine the length expression?The given parameters are:
Length =6 more than the width
Width = w
Perimeter = 60
Subsitute Width = w in Length =6 more than the width
This gives
Length =6 more than the w
More than mean +
So, we have
Length = 6 + w
Hence, the length expression is 6 + w
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y=-1/14x+33/14 in standard form
Answer:
Step-by-step explanation:
1) Find the LCD and multiply what is missing: LCD (x)(14)
-1x/14x + 33/14x
2) Get rid of the denominators
-1x+33
-x+33
That should be right! Sorry if it isn't!
What is the classification for this polynomial?
-4a³b5 + 3a²
A. monomial
B. binomial
C. trinomial
It's been a while but I think binomial. There are two nonzero terms, -4a3b5, and 3a2, making it a binomial.
Say you are given the graph of a line y=-x. Write an equation that intersects the given line but is not perpendicular to it. PLEASE ANSWER!!! NEED EXTREME HELP!!!
Answer:
fdsjfgdndgnxhñgjxgjxgjx
M
80.7°
Solve x
29°
N
Answer:
So what's M and N?
Step-by-step explanation:
Evaluate the expression for X=6 y= -1 4x + 5y
We know the value of x and y,
x = 6 and y = -1 [Given]
Substitute the value,
4x + 5y4(6) + 5(-1)24 + (-5)24 - 519 Ans.Find the volume of the solid.
Answer:
15.75
Step-by-step explanation:
1/2 * b*h*l
1/2 * 4.5 * 3.5 * 2
Answer:
10.5
Step-by-step explanation:
Firstly, you must multiply the length and width of the rectangular base to get its area.
Then, you certainly must multiply the base area with the height of the pyramid.
Last but not least, divide the result from step 2 by three, and you will get the volume of a rectangular pyramid.
Is the following statement true or false?
The intersection of three planes can be a point
Answer: Sometimes true
Step-by-step explanation:
This statement is sometimes true. If three planes intersect, then their intersection can be a line or a point.
