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8090 [49]
3 years ago
11

How does 4/15=14/n? What does n equal?

Mathematics
2 answers:
RUDIKE [14]3 years ago
5 0
4/15 = 14/n

4 * n = 14 * 15

4n = 210 / : 4

n = 52,5

Sonbull [250]3 years ago
3 0

\frac{4}{15}=\frac{14}{n}=>4n=14*15=>4n=210=>n=210:4=>n=52,5

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Valerie ran Three and one-fourth laps yesterday, and her coach wants her to run Two and one-half times that many laps today. How
Maru [420]

Answer:

13/4 * 5/2

Step-by-step explanation:

In the question, it says that her coach wants her to run 2 1/2 TIMES the original 3/4 she had ran. Therefore, you would want to make the fractions into improper fractions, and then multiply, which is how you would get 13/4 * 5/2.

6 0
3 years ago
3. Find f[h(a+4)], given the functions below. *
mote1985 [20]

Answer:

C 5a^2 +70a +240

Step-by-step explanation:

We have given these following functions:

f(x) = 5x, g(x) = -2x + 1, h(x) = x^2 + 6x + 8

h(a+4)

This function is:

h(a+4) = (a+4)^2 + 6(a + 4) + 8

h(a+4) = a^2 + 8a + 16 + 6a + 24 + 8

h(a+4) = a^2 + 14a + 48

f[h(a+4)]

f(x) = 5x

Thus

f(h(a+4)) = f(a^2+14a+48) = 5(a^2 + 14a + 48) = 5a^2 + 70a + 240

The correct answer is given by option C.

8 0
3 years ago
Find the area of the shape.
12345 [234]

Answer

300

Step-by-step explanation:

multiply by each other

4 0
3 years ago
Can some help me with this problem
Y_Kistochka [10]

Answer:

580

Step-by-step explanation:

4*100=400

4*40=160

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7 0
3 years ago
Read 2 more answers
A quantity of bacteria doubles every hour. If you start with 100 bacteria cells, the number of cells you will have at any time c
garik1379 [7]

Answer:

10,000 hours

Step-by-step explanation:

10,000 x 100 = 1,000,000

Hope this helps!

6 0
2 years ago
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