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larisa86 [58]
3 years ago
5

Sue and Gwen each have large collections of CDs. Sue has twice as many CDs as Gwen. Together the girls have 96 CDs. Which equati

on could be used to find the number of CDs, x, that Gwen has?
Mathematics
1 answer:
Dominik [7]3 years ago
6 0

Answer:

3x=96

Step-by-step explanation:

From the information given, you can write the following:

a+x=96 (1)

a=2x (2)

where a is the number of CDs that Sue has and x is the number of CDs that Gwen has.

You can replace 2 in 1 and you would have the following:

2x+x=96

3x=96

From this, you can isolate x to find its value:

x=96/3

x=32

According to this, the equation that could be used to find the number of CDs, x, that Gwen has is: 3x=96.

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2 years ago
Which equations are equivalent to ? Check all that apply. X 4 = 64 60 = x.
hram777 [196]

You can use the fact that equivalent equations are such that one equation can be obtained by performing some operations(which doesn't break equality) on the other equation and vice versa.

The equivalent equation to x + 4 = 64 is x = 60

<h3>What are equivalent equations?</h3>

Equivalent equations are such that one equation can be obtained by performing some operations(which doesn't break equality) on the other equation and vice versa.

<h3>How to get the equivalent equation of the given equation?</h3>

The given equation is

x + 4 = 64

Subtracting 4 from both sides, we get

x + 4 - 4 = 64 - 4\\x = 60

Thus, one equivalent equation to the given equation is x = 60

The equivalent equation to x + 4 = 64 is x = 60

Learn more cases of equivalent equations here:

brainly.com/question/14332869

5 0
2 years ago
2 × <img src="https://tex.z-dn.net/?f=3%5E%7B2%7D" id="TexFormula1" title="3^{2}" alt="3^{2}" align="absmiddle" class="latex-for
Ulleksa [173]
Heya!

Here is your answer:

2 × 3^{2} +10

we know that,
3^{2} = 9

so,

2×9 +10

According to BODMAS (bar, Order, division, multiplication, addition, subtraction)

we multiply 2×9 = 18

then,

18+ 10
= 28
7 0
3 years ago
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