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gogolik [260]
3 years ago
14

What value of x makes this equation true?

Mathematics
1 answer:
Alex73 [517]3 years ago
4 0

Answer:

x=9/4=2.25

Step-by-step explanation:

The model is essentially saying:

3(-x)+10(1)=5(x)+8(-1)

Simplify:

-3x+10=5x-8

Subtract 5x from both sides:

-8x+10=-8

Subtract 10 from both sides:

-8x=-18

Divide both sides by -8. The negatives cancel:

x=18/8

Reduce:

x=9/4=2.25

And we're done!

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Simplify the following expression 4^-11/3÷4^-2/3<br>A.1/12<br>B.1/64<br>C.12<br>D.64​
Goryan [66]

Question:

Simplify the following expression:

4^{-\frac{11}{3}÷4^{-\frac{2}{3} }

A.1/12

B. 1/64

C.12

D.64

Answer:

B. 1/64

7 0
3 years ago
Here we go another question i'm asking you guys to help me with because i don't understand this!
Alexandra [31]

Answer:

1. Less Than

2. Greater Than

Step-by-step explanation:

You know that 1/2 is equal to 4.5/9

So, 2/9 would be less than 1/2.

You know that 1/2 is equal to 5/10

So, 9/10 is greater than 1/2.

Compare each fraction by setting each fraction to the same denominator.

3 0
2 years ago
HELP ME PLEASE IVE BEEN STRUGGLING WITH THIS FOR SO LONG
Ber [7]

Answer:

<h2>m∠ACE = 90°</h2>

Step-by-step explanation:

Figure Interpretation:

m∠CBA + m∠CDE = 180

m∠BCA = (180-m∠CBA)/2

m∠DCE = (180-m∠CDE)/2

=======================

Then

m∠BCA + m∠DCE = (180-m∠CBA)/2 + (180-m∠CDE)/2

                                = [360-(m∠CBA+m∠CDE)]/2

                                = [360 - 180]/2

                                = 90

finally,

m∠ACE= 180 - (m∠BCA + m∠DCE)

             = 180 - 90

             = 90

8 0
2 years ago
Rewrite 2/7 and 1/4 so they have a common denominator
Zolol [24]
I think it’s 2/7=8/28 1/4=7/28
8 0
2 years ago
Arrange in ascending order<br> a) 2⁄5, -1⁄6, -11/30
nikitadnepr [17]

Answer:

-11/30, -1/6, 2/5

Step-by-step explanation:

first, make the question in the same denominator

= 12/30, -5/30, -11/30

= -11/30, -5/30, 12/30

= -11/30, -1/6, 2/5

8 0
2 years ago
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