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4vir4ik [10]
2 years ago
11

Solve the systems of equations using substitution.

Mathematics
1 answer:
statuscvo [17]2 years ago
8 0

I'm sure on boxes 1 and 3 but not on the 2nd box

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What is the following sum? 5(3√x)+9(3√x)
charle [14.2K]
5(3√x)+9(3√x)
=3√x(5+9)
=14(3√x)

answer is C. third choice 14(3√x)
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I believe this is correct

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A water tank holds 944 gallons but is leaking at a rate of 5 gallons per week. A second water tank holds 1,180 gallons but is le
podryga [215]

Answer:

59

Step-by-step explanation:

The equation is

944 - 5x = 1180 - 9x

Notice what is being said. You start with 944 gallons and take off 5 per week

You also start with 1180 gallons and take on 9 per week.

You want to know when the two are equal. The second tank is larger, but it leaks more. That's what's going to bring about equality.

Add 9x to both sides

944 - 5x + 9x = 1180

944 + 4x = 1180                

Subtract 944 from both sides.

4x = 1180 - 944

4x = 236      

Divide by 4

x = 236/4

x = 59 weeks

8 0
3 years ago
Out of 200 people eating at a diner, 70% ordered
scZoUnD [109]

Answer:

140 people

Step-by-step explanation:

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2 years ago
Can anyone explain how to awnser -72/7 × -48/11?
kkurt [141]
Maybe search up Algebra calculator and type in the equation? idk
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