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3 years ago

How do you solve 27.5% of 88

Mathematics

1 answer:

IRISSAK [1]3 years ago

8 0

answer:

im getting different answers so wait ill do it myself

Step-by-step explanation:

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WILL MARK BRAINIEST!!! 20 POINTS!!! Determine the equivalent system for the given system of equations. 4x − 5y = 2 10x − 21y = 1

aniked [119]

Answer:

none of the options

Step-by-step explanation:

4x − 5y = 2 , 10x − 21y = 10

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the first equation is same in all answer choices, let's check which is equivalent to second, the easy way is to consider x/y ratio which is 10/ -21

4x − 5y = 2 , 3x − y = 4

no, ratio is 3/ -1

4x − 5y = 2 , 24x − 47y = 22

no, the ratio is 24/ -47

4x − 5y = 2 , 10x + 3y = 15

no, the ratio is 10/3

4x − 5y = 2 , 14x + 26y = 12

no, the ratio is 14/26

3 0

3 years ago

Liam is setting up folding chairs for a meeting. If he arranges the chairs in 6 rows of the same length, he has 3 chairs left ov

tresset_1 [31]

If he has 9 rows of equal length there are 3 chairs left over.

If he has 7 rows of same length there are 19 left over.

It's important to note that these two setups have the same number of chairs. So we can make an equation out of it.

9x + 3 = 7x +19

2x + 3 = 19

2x = 16

x = 8

So, x (8) is the number of chairs in each row with these setups.

Plug 8 into one of the equations and you will find how many chairs total there are.

9(8) + 3 = 75

There are 75 chairs total

7 0

3 years ago

sam and jake live 8 km from each other, Sam skateboards 10 km in the same time as jake rides his bike 15 km. if they both leave

lesya [120]

10 km from jakes home

5 0

3 years ago

In two or more complete sentences, describe how you would draw the graph of the solution set for the following inequality. -3m+1

Marat540 [252]

First find the value of m by solving the inequality.

Solving the inequality we get value of m: m>-4

Now, for drawing the graph, a dotted line will be on -4, as values greater than -4 are included in the graph. and all the portion on right side of -4 is included in the graph.

Step-by-step explanation:

We need to draw the graph of the solution set for the following inequality. $-3m+18 < 30$

First we will solve the inequality and find value of m

$-3m+18 < 30$

Adding -18 on both sides

$-3m+18-18 < 30-18\\-3m$

Dividing both sides by -3 and reversing the inequality i.e < is changed into >

$\frac{-3m}{-3}-4$

So, value of m is: m>-4

So. for drawing the graph, a dotted line will be on -4, as values greater than -4 are included in the graph. and all the portion on right side of -4 is included in the graph.

The graph is shown in figure attached.

Keywords: Solving inequalities

Learn more about Solving inequalities at:

#learnwithBrainly