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galben [10]
3 years ago
14

Find the product. Simplify your answer. (9/4s) (9t/-1)

Mathematics
1 answer:
Scilla [17]3 years ago
4 0

Answer:

Improper fraction (-81t/ 4s)

Mixed number (-20 1/4) (t/s)

Step-by-step explanation:

Multiply the numerators

9(9t) = 81t

Multiply the denominators

4s* (-1) = -4s

Put the numerator over the denominator

81t / -4s

If they want the answer as an improper fraction  -81t/4s

If they want a mixed number

81/4 = 20 with 1 left over

20 1/4

Then multiply by (-t/w)

(-20 1/4) (t/s)

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Does anyone know how to do this who can pls explain it to me?
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8 0
3 years ago
At age 16, Logan weighed 162 pounds. When he was 20, he weighed 198 pounds. Write a linear equation that relates Logans wait to
Nadusha1986 [10]
Answer:
y = 9x + 18
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Assume that the age is x and the weight is y.
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At age of 16, Logan was 162 pounds. Therefore, point on the line is (16,162)
At age of 20, Logan was 198 pounds. Therefore, point on the line is (20,198)

The general form of the linear equation is:
y = mx + c
where m is the slope and c is the y-intercept

1- getting the slope:
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m = (198-162) / (20-16) = 9
The equation now becomes:
y = 9x + c

2- getting the y-intercept:
The two given points belong to the required line. This means that each of them satisfies the equation of the line.
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I will use point (16,162) as follows:
y = mx + c
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Therefore, the equation becomes:
y = 9x + 18

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