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dybincka [34]
3 years ago
15

What is the value of x in the equation 0.7x – 1.4 = -3.5? O -7 Ο Ο Ο Ο 3 7

Mathematics
2 answers:
Romashka-Z-Leto [24]3 years ago
8 0
The answer is -3. Have a good night
Butoxors [25]3 years ago
5 0
0.7x-1.4=-3.5
Add 1.4 to both sides:
0.7x=-2.1
Divide 0.7 to both sides:
x=-3
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BaLLatris [955]

Answers:

5. 296

6. 479

7. 801

8. 920

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Step-by-step explanation:

For 5-8, you add the 2 numbers. Line up the numbers by their place value.

For 9, it says she starts with $233. She worked for 6 hours today. She makes $8 for every hour. First, you have to find how much she made today. 6 hrs times $8 for every hr is $48. In total, she has $281 because we added the amount she starts with, and the amount she earned today.

4 0
4 years ago
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WARRIOR [948]
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6 0
3 years ago
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maxonik [38]

Answer: y = \frac{1}{5}x + 8

Step-by-step explanation:

       This is asking us to remove the parameter. In other words, we want an equation with only the relation between x and y, so we need to remove the t. There are a few ways to do this, but I am going to set one equation equal to t and then plug it into the next one.

     Given:

x = 5t

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t = \frac{1}{5}x

     -

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y = t + 8

    Plug in:

y = (\frac{1}{5}x) + 8

    Answer:

y = \frac{1}{5}x + 8

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Answer:

D

Step-by-step explanation:

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