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Zanzabum
3 years ago
12

10x-8y=4 -5x plus 3y=-9

Mathematics
1 answer:
KatRina [158]3 years ago
5 0
So what is your question here?
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Which two equations are equivalent to: 3(3x - 2) = 5(2x + 4) 9x - 6 = 10x + 20
zysi [14]

Answer:

C. -26=x

Step-by-step explanation:

3(3x-2)=5(2x+4)

9x-6=10x+20

9x-10x=20+6

-x=26

-x/-1=26/-1

x= -26

3 0
3 years ago
If a = 2 and b = -3, find the value of a3 - b2. <br> A.-31<br> B.-23<br> C.-1<br> D.15
valentinak56 [21]

Hello!

So let's first start out by solving the left side of the equation:

2 to the third power is 8

The right side now: -3 to the second power is -9

In total: 8- (-9)

So your answer is C) -1

I hope it helps!

3 0
3 years ago
Read 2 more answers
A migrating bird flies 539 miles in 11 hours. How many miles does it fly in 3 ​hours?
joja [24]
It would fly 147 miles in 3 hours
8 0
3 years ago
Read 2 more answers
Can someone check this for me thanks.
kirill115 [55]
You are right all the way
8 0
3 years ago
A picture is 5 inches wide and 8 inches tall.
olganol [36]

Answer:

100 in^2

Step-by-step explanation:

Solve Area first:

5x8

= 40

Multiply by 2.5 (Enlarge)

40 x 2.5

= 100

6 0
3 years ago
Read 2 more answers
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