3 years ago

I need help please for a friend

Mathematics

1 answer:

Alexandra [31]3 years ago

7 0

Answer:

Its D all you have to do is times it.....

Step-by-step explanation:

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You've got 60 homework problems to do and it took you 10 minutes to do eight of them. At that rate, how long will it take?

d1i1m1o1n [39]

10 minutes : 8 problems
x minutes : 60 problems
10 * 60/8 = 150/2 = 75 minutes for 60 problems

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3 years ago

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Given logbM=3.2 logbN=-1.5 and logbP=2.4 find the value of logb(m^2N/p)

artcher [175]

The formulas:
$\log_a (xy)=\log_a x + \log_a y \\
\log_a (\frac{x}{y})=\log_a x - \log_a y \\
\log_a (x^n)n \log_a x$

Expand the expression:
$\log_b (\frac{m^2n}{p})=\log_b m^2 + \log_b n - \log_b p= 2 \log_b m+\log_b n - \log_b p$

Plug the values into the expression:
$\log_b m=3.2 \\ \log_b n=-1.5 \\ \log_b p=2.4 \\ \\
2 \log_b m+\log_b n - \log_b p=2 \times 3.2-1.5-2.4=6.4-3.9=2.5 \\ \\
\boxed{\log_b (\frac{m^2n}{p})=2.5}$

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3 years ago

Find the measure of the missing angle.

joja [24]

180-156= 24

24°!!
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3 years ago

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PLEASE HELP ASAP, DUE IN AN HR!!!

rusak2 [61]

Answer:

$\dfrac38 \text{ sq in}$