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3 years ago

Please help!!!!!!!!!

Mathematics

1 answer:

babymother [125]3 years ago

5 0

Answer: 15,000

Explanation: the question asks for the maximum profit so you look for the highest point and check the x value for it.

Hope this helped! :)

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2. The ratio of 7th graders to 8th graders in student council is 2:3.

mrs_skeptik [129]

Answer:

85 students

Step-by-step explanation:

Given

$7th : 8th =2 : 3$

$8th = 51$

Required

Find the total number of students

We have:

$7th : 8th =2 : 3$

Substitute: $8th = 51$

$7th: 51 = 2 : 3$

Express as fraction

$\frac{7th}{51} = \frac{2 }{ 3}$

Multiply both sides by 51

$51 * \frac{7th}{51} = \frac{2 }{ 3} * 51$

$7th= \frac{2 }{ 3} * 51$

$7th= 2 *17$

$7th= 34$

So, the total is:

$Total = 7th + 8th$

$Total = 34 + 51$

$Total = 85$

4 0

3 years ago

The perimeter of a rectangle is 64m and it’s length is 3 times it’s width.what is the length of the rectangle?

Verdich [7]

so umm this is the answer

Perimeter = 2(length + width)

P = 2(L+w)

We are told the length is 3 times the width...

L = 3w

64 = 2(3w + w)

64 = 2(4w)

64 = 8w

8 = w

L = 3w = 3(8) = 24 cm

Length is 24 cm

width is 8 cm

6 0

2 years ago

A car goes around a turn too quickly, it can leave tracks that form an arc of a circle. By finding the radius of the circle, acc

ANTONII [103]

Check the picture below.

$r^2~~ = ~~100^2~~ + ~~(r-35)^2\implies r^2~~ = ~~100^2~~ + ~~\stackrel{\textit{\Large F~O~I~L}}{(r^2-70r+1225)} \\\\\\ r^2=10000+r^2-70r+1225\implies 0=10000-70r+1225 \\\\\\ 70r=10000+1225\implies 70r=11225\implies r=\cfrac{11225}{70}\implies r\approx 160.4$

3 0

2 years ago

You mix soda water, fruit punch concentrate, and ginger ale in the ratio of 1 : 2 : 5 to make fruit punch. How many pints of eac

Solnce55 [7]

Well, there are 8 pints in gallon.

1+2+5= 1 gallon

1+2+5= 1 gallon

1+2+5= 1 gallon

1+2+5= 1 gallon
______________
4+8+20=4 gallons

4:8:20

4 0

3 years ago

Read 2 more answers

4a – 16 = a - 15 how do I solve

miv72 [106K]

Answer:

a = $\frac{1}{3}$

Step-by-step explanation:

4a -16 = a - 15

both left and right -a

then

4a - 16 -a = a - 15 -a

then

4a -a -16 = a -a -15

then

3a -16 = -15

both left and right + 16

then

3a -16 + 16 = -15 + 16

then

3a = 1

both left and right ÷3

then

3a ÷ 3 =1 ÷ 3

then

a = $\frac{1}{3}$

8 0

3 years ago