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34kurt
3 years ago
6

Solve the system of equations by the substitution method: 4x-y = 35 7x + 6y = 38

Mathematics
1 answer:
Leokris [45]3 years ago
8 0

Answer:

x=8 and y=−3

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Vince weighs 160 pounds, and his friend Nadir weighs 140 pounds. Nadir calculated that his weight on another planet would be abo
Ymorist [56]

Answer: 64 lbs

Step-by-step explanation:

I divided 56/140 and got 0.4. Then multiplied 0.4 by 160 and got 64. SOunds about right to me.

You can double check by multipling 0.4 by 140 and you get 56.

4 0
3 years ago
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Use long division to determine the decimal equivalent of 8 over 9
lyudmila [28]
8/9 is equal to in decimal form <span>0.88888889. You do long division. After all number finished add a decimal and add a 0 and bring that down and keep going until you can't divide anymore.</span>
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3 years ago
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If a car can drive 62 miles on 3 gallons of gas, how many gallons of gas will it use to travel 231 miles?
aksik [14]

Answer:

11 gallons of gas is needed to travel 231 miles.

Step-by-step explanation:

We can set up a proportion for this problem.

<em>For every 62 miles, you use 3 gallons of gas. </em>

\frac{62}{3}*\frac{231}{?}

Now, let's cross multiply.

\frac{693}{62} ≈ 11

So, you will need about 11 gallons of gas to travel 231 miles.

8 0
3 years ago
Which is the best buy?<br> Pack of 8 apples for £1.65<br> Pack of 6 apples for £1.25
Sliva [168]

Answer:

Pack of 6 apples for £1.65 is better because the price of 1 apple is less in this answer.

7 0
2 years ago
1. y = 6 x+8<br> 2. y = 23 x<br> 3. y = -x+ 5<br> 4. y = 3 4 x - 212<br> 5. y = 1,5 x + 11
fenix001 [56]

Answer:

Not sure what you're asking here

Step-by-step explanation:

5 0
3 years ago
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