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eimsori [14]
3 years ago
10

Twenty less than 8 times a number is the same as 15 more than the number

Mathematics
1 answer:
anygoal [31]3 years ago
6 0
x-\ number\\\\
8x-20=15+x\ \ \ | subtract\ x\\\\
7x-20=15\ \ \ | add\ 20\\\\
7x=35\ \ \ | divide\ by\ 7\\\\
x=5\\\\Number\ is\ 5.
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Can someone walk me through the steps: Steve increases his math average by 9 points over a period of 15 weeks. How many points p
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hmmm units rates are just a matter of one above the other.

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4 0
3 years ago
If you graph y=2x+1 and y=x+1 how many times would the two lines intersect
krok68 [10]
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3 0
3 years ago
What is the standard form of this function?
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Answer:

D. Rx) = x2 - 4x + 10

Step-by-step explanation:

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8 0
3 years ago
What is the slope of a line that passes through -8, -16 and 18, 5?
ddd [48]
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y2 - y1
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8 0
3 years ago
The half-life of a certain radioactive material is 36 days. An initial amount of the material has a mass of 487kg. Write an expo
Lubov Fominskaja [6]

Answer:

442.302 kg

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if t = 5

amount = 487(.5)^(5/36)

= 442.302 kg

4 0
2 years ago
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