MATHEMATICS HIGH SCHOOL

You place three orders for 100 soccer balls which cost $22 per ball. You receive all 300 balls. There is a delivery charge of $20 per order. What is your average cost per ball including delivery charges?

Answers

Answer 1

Answer:

Answer:

Average cost per ball: $22.2

Step-by-step explanation:

Cost per ball: $22

Cost of 300 balls: 300 × 22 = $6600

Total No. of Orders: 3

Delivery fee per order: $20

Total Delievery fee: 20 × 3 =$60

Total cost including delivery cost: $6600 + $60 = $6660

$Average cost per ball = (Total cost)/(No. of balls)$

$Average cost per ball = (6660)/(300)$

$Average cost per ball = $22.2$

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Twice a number is added to three times its square. if the result is 16, find the number

Answers

x=2. Honestly, what i did is a guess and check because I wasn't sure. Set up the equation like this. x² + 3(x²)=16 Then just think what makes the most sense and the answer is two because it would end up being 4+3(4) =16 which is correct :)

What is the slope of the line? -3x+5y=2x+3y

Answers

Answer: 5/2

Step-by-step explanation:

Answer:

5/2

Step-by-step explanation:

for khan

What is the value of the expression 2z + 2w when z=7 and w=5

Answers

Answer:

The solution is 24

Step-by-step explanation:

z = 7

w = 5

2z + 2w

we enter the numbers

2(7) + 2(5)

= 14 + 10

= 24

Solve for x.
4x-5/y=2z

Answers

So you don't know the value of x, y, or z; all you're told is to solve for x. This is not impossible (even though it may seem like it). Your answer will have several variables in it, but in algebra you won't always have the complete answer.
Start with the equation: 4x - 5 / y = 2z
The first thing you'll want to do to it is try to get x alone on one side.
4x - 5 / y = 2z
+5 +5 --> 4x / y = 2z +5
*y *y --> 4x = y (2z + 5)
/4 /4 --> x = (y (2z + 5)) / 4
Your final answer will be: x = (y (2z +5)) / 4
Hope it makes sense to you!!

$4x- (5)/(y)=2z \n + (5)/(y)\ \ \ \ \ \ +(5)/(y) \n 4x=2z+ (5)/(y) \n /4\ \ \ \ \ /4 \n \boxed{x= (2)/(4)z+ (20)/(y)}$

A road crew must repave a road that is 3/5 miles long. They can repave 1/15 miles each hour. How long will it take the crew to repave the road?

Answers

The Total number of hours required to repave the whole road is 36.

What is the unitary method?

The unitary method is a method for solving a problem by the first value of a single unit and then finding the value by multiplying the single value.

The Total length of the road that needs to be repaved = 3/5 miles

The Total length of the road which is repaved by the road crew per hour = 3/5 miles

The Total number of hours required to repave the whole road

= (Length of the road to be repaved)/(Length of the road repaved by the crew per hour)

= 3/4 divided by 1/48

= 3/4*48/1= 144/4

= 36

Hence, The Total number of hours required to repave the whole road is 36.

Learn more about the unitary method;

brainly.com/question/23423168

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Answer: 36 hours