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4 years ago

Can I have some help with some math does anyone know some math they could help me with

Mathematics

2 answers:

vovikov84 [41]4 years ago

7 0

Answer:

It is an irrational number

Step-by-step explanation:

arsen [322]4 years ago

6 0

Answer:

Hope this helps!!!

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To make a profit a clothing store sells board shorts at on trade and 115% of the amount they paid for them. How much did the sto

soldi70 [24.7K]

Answer: $24.34

Step-by-step explanation:

28/X=115/100

Part/Whole= %/100

28=1.15*x

4 0

3 years ago

Which of the following equations has the same solutions as the equation 3x + 2y = -12? Check all that apply.

Mariulka [41]

Answer:

$B.\ -3x - 2y = 12$

$C.\ 15x + 10y = -60$

$E.\ 6x + 4y = -24$

$F.\ 1.5x + y =-6$

Step-by-step explanation:

Given

$3x + 2y = -12$

Required

Determine equations with same solution as $3x + 2y = -12$

For a solution to have the same solution as $3x + 2y = -12$ , the equation must be expressed as $3x + 2y = -12$

$A.\ 3x - 2y = 12$

This can not be expressed as $3x + 2y = -12$

$B.\ -3x - 2y = 12$

Multiply through by -1

$-1(-3x - 2y) = 12 * -1$

$3x + 2y = -12$

This has the same solution as the given equation

$C.\ 15x + 10y = -60$

Divide through by 5

$\frac{15x}{5} + \frac{10y}{5} = \frac{-60}{5}$

$3x + 2y = -12$

This has the same solution as the given equation

$D.\ 6x + 2y = -12$

Divide through by 2

$\frac{6x}{2} + \frac{2y}{2} = \frac{-12}{2}$

$3x + y = -6$

This can not be expressed as $3x + 2y = -12$

$E.\ 6x + 4y = -24$

Divide through by 2

$\frac{6x}{2} + \frac{4y}{2} = \frac{-24}{2}$

$3x + 2y = -12$

This has the same solution as the given equation

$F.\ 1.5x + y =-6$

Multiply through by 2

$2*1.5x + 2*y =-6*2$

$3x + 2y =-12$

This has the same solution as the given equation

$G.\ x + \frac{2}{3}y = -12$

Multiply through by 3

$3 * x + 3*\frac{2}{3}y = -12*3$

$3x + 2y = -36$

This can not be expressed as $3x + 2y = -12$

The equations with the same solution as $3x + 2y = -12$ are the ones that we were able to expressed as $3x + 2y = -12$ .

And the equations are:

$B.\ -3x - 2y = 12$

$C.\ 15x + 10y = -60$

$E.\ 6x + 4y = -24$

$F.\ 1.5x + y =-6$

7 0

3 years ago

What is 76.8/100 in grading. For instance is it an A,B,C,D,E etc.

ira [324]

Answer:

grading

A-1---80% AND ABOVE

A---70% AND ABOVE

SO 76.8/100=A

Step-by-step explanation:

I HOPE IT WILL HELP YOU

5 0

3 years ago

Read 2 more answers

Given the figure, what is the value of x? *

N76 [4]

Answer:

size berween c and a because the size

8 0

3 years ago

Mark is in training for a bicycle race. He needs to ride 50 kilometers a week as part of his training. He rode 18.23 kilometers

castortr0y [4]

Mark has to ride 50 kilometers. He already rode 18.23 and 13.94.

18.23km+13.94km=32.17km

50km-32.17km=17.83km

Mark will have to ride 17.83km more. The correct answer is B.

4 0

3 years ago

Can I have some help with some math does anyone know some math they could help me with ​

Can I have some help with some math does anyone know some math they could help me with