The mixture requires 200 ounces of 40% alloy.
What is defined as the mixture?A mixture is a physical combination of two or more substances that retain their identities and are blended as solutions, suspensions, or colloids.
An alloy is a metallic substance made up of two or more elements that can exist as a compound or a solution. Alloy components are typically items, though carbon, a nonmetal, is a necessary component of steel.x = amount of 40% copper
400 = amount of 70% copper
x + 400 = total amount of copper = amount of 60% copper
Set a correctly weighted mixture of x and 300 equal to the a weighted (x+300), in which the weights are decimal percentages;
40% is 0.4, 70% is 0.7, and60% is 0.60.4x + 0.7(400) = 0.6(x + 400)
Solve for x:
0.4x + 280 = 0.6x + 240
0.2x = 40
x = 200
x = 200 ounces of 40% copper.
Therefore, the amount of 40% alloy needed for the mixture is 200 ounces.
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Write 5/18 as a decimal
Answer:
0.2777777777777
Step-by-step explanation:
To find the decimal of a fraction, you must divide the numerator by the denominator
5/18 = 0.27 (write a line ontop of the 7 to show that the 7 repeats)
Select all that apply to a segment bisector.
A segment bisector intersects anywhere.
A segment bisector intersects at the midpoint.
A segment bisector cuts the segment into two equal pieces.
A segment bisector can bisector line.
The statements that apply to a segment bisector are:
A segment bisector intersects at the midpoint.A segment bisector cuts the segment into two equal pieces.What does a segment bisector do?A segment bisector intersects the midpoint of a segment such that it is able to divide/ cut the segment into two equal pieces.
This means that a segment bisector can also be said to create two congruent segments. A segment bisector would also be perpendicular to the segment.
In conclusion, a segment bisector intersects at the midpoint and cuts a segment into equal pieces.
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The total amount repaid on a loan is found by using the formula A = p + prt, where A is the total amount
paid, p is the principal, r is the rate, and t is the time. If t = 5, r = 0.06, and p = 200, what is the value
of A?
**Hint** Evaluate the expression p + prt for t = 5, r = 0.06, and p = 200
Answer:
it's easy
just use the formulary given and insert the values to Their given letters
The recommended daily allowance of niacin for adults is 20 mg. One serving of a certain breakfast cereal provides 4 mg of niacin. What percent of the recommended daily allowance of niacin does one serving of this cereal provide?
Answer:
20%
Step-by-step explanation:
4/20 * 100% = 20%
Question 4/5
At East Village High School, 8% of the members of the men's cross
country team are left-handed, while an astounding 30% of the
members of the women's cross country team are left-handed. There are
75 runners on the men's team and 70 on the women's team. What is the
total number of women and men who run cross country at East Village
high school who are right-handed?
Answer:
27 people
Step-by-step explanation:
6 is for the men and 21 women
132891 rounded to the nearest thousand is?
Answer:
132, 900.
Step-by-step explanation:
The 9 is in the tens, so it tells the hundreds to go up by 1 to 9 & add 2 zero's beside. The answer would be 132, 900.
Suppose that u and v are two vectors with |u| = 1, |v| = 3 and u · v = −2.
a. Compute |u + v|.
b. Compute |(u + 2v) × v|.
a. |u + v| = 4
b. |(u + 2v) × v| = 16
What are vectors?Vectors are known as quantities having both magnitude and direction.
Given that;
|u| = 1 |v| = 3 u · v = −2a. |u + v|
Substitute the values of the vectors
|u + v| = 1 + 3
|u + v| = 4
b. |(u + 2v) × v|
Expand the bracket
|u. v + 2v² |
But u. v = -2
We then have;
-2 + 2(3)²
-2 + 2(9)
-2 + 18
16
Thus, the values are 4 and 16 respectively.
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What is the value of the underlined digit: 498,217 *
Answer:
B.) 90.000
Step-by-step explanation:
Your pre-selected answer choice is correct. The 9 is in the Ten Thousands place.
Line segment AB has a midpoint M. The coordinates of point A are (-5,8) and the coordinates of point M are (-1,-3) what are coordinates of point B
Answer: (-4,7)
Step-by-step explanation:
Arun says if he adds together two mixed numbers, his answer will always be less than the sum of the whole-number parts plus 1. Say 2 counter-examples to show Arun's statement is not true. A counter statement is any example that shows a statement is false
The two examples can be 1 1/2 & 1 3/4 and 2 2/3 & 1 2/3.
According to Arun,
Sum of two mixed numbers < Sum of the whole number part + 1
Now, lets take the example as 1 1/2 and 1 3/4
Their sum will be:
1 1/2 + 1 3/4 = 3 / 2 + 7 / 4
= 13 / 4 = 3 1/4
The sum of whole parts = 1 + 1 = 2
Adding 1 to it = 2 + 1 = 3
We can clearly see that 3 1/4 > 3.
It contradicts Arun's statement.
Another example can be:
2 2/3 + 1 2/3 = 8 / 3 + 5 / 3
= 13 / 3 = 4 1/3
Sum of whole part + 1 = 2 + 1 + 1 = 4
4 1/3 > 4
It contradicts Arun's statement.
Therefore, the two examples can be 1 1/2 & 1 3/4 and 2 2/3 & 1 2/3.
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telefonika a mobile phone shop has dicovered that 35% of all Iphones XS screens sold last month are detective. It has contacted the owners of these phone and ask them to return their phones to be checked and their screen replaced for them. Telefonika sold seven of these phones and has two of the new screens in stock. what is the probability that telefonika will need to order more new screens?
Answer: he will need to order 1 more new screens
Step-by-step explanation:
a mobile phone shop has discovered that 35% of all I phones XS screens sold last month are defective.
so probability of defective screen is
x=35/100 (let)
now since he sold 7 phones
so number of defective screen can be
=x*7
=2.45
since defective screen cant be in decimal
so
taking into consideration that last screen have a chance of getting defective
so he would need 3 screen
he has 2 in stock
so he will need to order 1 more new screens
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What are the factors of the polynomial?
(2x+3)(x+1)
(2x−3)(x−1)
(3x+2)(x+1)
(3x−2)(x−1)
Answer:
Answer:A.)2x^2 + 5x + 3
Step-by-step explanation:
Answer:
here is my answerrrrrrrrrrrrrr
ok im sorry but does anyone know 7+(-12)+(-7)??
Answer:
-12
Step-by-step explanation:
Given the following question:
7 + (-12) + (-7)
Using PEMDAS:
(-12) + (-7) = -19
7 + -19 = -12
= -12
Hope this helps.
=========================================================
Explanation:
Let's simplify the 7+(-12) portion first
Draw a vertical number line. Plot a point at 7. Then move down 12 units to arrive at -5
Or you could start at -12 and move up 7 units to arrive at -5
This tells us that 7+(-12) = -5
So the overall 7+(-12)+(-7) turns into -5+(-7)
-----------
Draw another vertical number line, or use the one already drawn in the previous section.
Plot a point at -5. Then move down 7 units to arrive at -12
Or start at -7 and move down 5 units to arrive at -12
Therefore, -5 + (-7) = 7+(-12)+(-7) = -12 is the final answer
-----------
Shortcut:
The 7 and -7 in the original expression add to 0. They cancel each other out. So we're left with -12
Order the numbers from least to greatest -3 , -8, |-6|, 2
Answer: -8, -3, 2, |-6|
Step-by-step explanation:
-3 , -8, |-6|, 2
|-6|=6
6>2
-3>-8 since a negative number closer to 0 is the greater number.
Order: -8, -3, 2, 6 ==> -8, -3, 2, |-6|
only number 13 solve for x plspls
In the given diagram, the value of x is 16
Calculating anglesFrom the question, we are to determine the value of x
In the given diagram, we can observe that (6x + 20)° and 4x° form a linear pair,
Thus, we can write that
(6x + 20)° + 4x° = 180°
Now, we will solve for x
(6x + 20)° + 4x° = 180°
6x + 20 + 4x = 180
10x = 180 - 20
10x = 160
x = 160/10
x = 16
Hence, the value of x is 16
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question is in picture pls help
Answer:
Step-by-step explanation:
e
Is 6.59 a rational number?
Answer:
6.59 is a rational number.
Step-by-step explanation:
It's not irregular.
Hope It Helps
Sorry If I'm Wrong
Answer: no it’s not
Step-by-step explanation:
0.625+0.125+0.3125+0.0625
Answer:
the answer is = 1.125
Step-by-step explanation:
hopefully this helps!
I’ll give brainless to the right answer
Answer:
I think it's the Distributive Property
Step-by-step explanation:
I think it's this because in order to get the parentheses out you have to multiply by the outside number.
5(x+2) and get 5x+10
question 10: please help asap !!!!
Answer:
-x^2-2xy-3x
Step-by-step explanation:
what is 6561413+1000000=?
Answer:
7561413
Step-by-step explanation:
6561413+1000000= Equals Calculator Answer/////7561413
Answer:
7561413
Step-by-step explanation:
The calculator it equals 7561413
If u get right I’ll give brainlest
Answer:
red/pink: l = V/wh
Step-by-step explanation:
Divide both sides by wh.
Solve 1-2x - 1 = -10.
O A.x=9
O B.x = 5
O C. No solution
OD.x = -9
In order to accumulate enough money for a down payment on a car, Karl deposits $100 per month into an account paying 1.75% compounded monthly. If payments are made at the end of each period, how much In order to accumulate enough money for a down payment on a car, Karl deposits $100 per month into an account paying 1.75% compounded monthly. If payments are made at the end of each period, how much money will be in the account in 18 months? How much interest will Karl have earned? Total amount: Interest earned:
1. If payments are made at the end of each period, the amount of money that will be in the account in 18 months (future value) is $2,094.46.
2. The total interest that Karl earned will be $294.46.
3. Total amount: $2,094.46
Interest earned = $294.46
What is the future value?The future value is the future cash deposits compounded at an interest rate for a period.
The future value can be computed using the future value table or future value formula. It can also be computed using an online finance calculator.
N (# of periods) = 18 months
I/Y (Interest per year) = 21% (or 1.75% monthly)
PV (Present Value) = $0
PMT (Periodic Payment) = $100
Results:
Future Value (FV) = $2,094.46
Sum of all periodic payments = $1,800 ($100 x 18)
Total Interest = $294.46
Thus, the total future amount in the account will be $2,094.46 with an interest of $294.46.
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Given the fallowing function find (-3),f(1)
Answer:
12 ,-3, -8
Step-by-step explanation:
1: f(-3)= -5(-3)-3
2: f(0)= -5(0)-3
3: f(1)= -5(1)-3
Hope this helps!
When the definition of a function involves a fraction, the function is undefined at any value that would make the denominator of the function a) 0 b)1 c)the same as the numerator
When the definition of a function involves a fraction, the function is undefined at any value that would make the denominator of the function is; a) 0
What is an Undefined Function?
A function that is a fraction is said to be undefined when the denominator is equal to zero. If there are variables in the denominator, the point at which the expression in the denominator is zero is the point where that function is undefined.
From the question, we want to know what the value of the denominator of a fraction will be to make that fraction undefined. From the definition above, it is clear that the value would be zero.
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Select the correct answer.
Will is at a shirt sale where he can buy one and get a second one for 40 percent off. He wants to buy two shirts priced at $29 each. How much
will he pay?
cost after discount = (2x list price) - (list price x discount percentage)
OA
$24.90
The amount he would pay is $46.40.
How much will he pay?
Percentage can be described as the fraction of an amount that is expressed as a number out of hundred. The sign used to represent percentages is %.
The amount paid = list price of the first shirt + [list price of the second shirt x ( 1 - percentage discount)]
$29 + [$29 x (1 - 0.4)]
$29 + ($29 x 0.6) = $46.40
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Find the perimeter and are of the trapezoid
Answer:
47.7ft
Step-by-step explanation:
12.8ft+6.2ft+13.9ft+15.5ft=47.7ft
Solve for X
-7 -2x + 7 = -7
Answer:
UR MOM the reason why im saying this cuz i want to be deleted off of brainly
Step-by-step explanation:
12. Determine if the following equation has one solution, no solution, or infinite
solutions: 3(4x + 6) = 2(6x + 9).
Answer:
Infinite Solutions
Step-by-step explanation:
3(4x + 6) = 2(6x + 9)
Distribute coefficients
12x + 18 = 12x +18
Same equations which means infinite solutions
