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Dafna11 [192]
3 years ago
5

Divide. −10 ÷ −2

Mathematics
2 answers:
Novay_Z [31]3 years ago
8 0

Answer:

-10 / -2 = 5

Step-by-step explanation:

Oksi-84 [34.3K]3 years ago
7 0
5 because when dividing by two negative numbers the negatives cancel giving you a positive integer
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What is 30% of 70 feet
ira [324]
p\%=\dfrac{p}{100}\\\\30\%=\dfrac{30}{100}=0.3\\\\30\%\ of\ 70ft\ is\ 0.3\cdot70ft=21ft
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3 years ago
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What is an equation of the line that passes through the points (-8, 1) and(7,1)?
likoan [24]

Answer:

y=1

Step-by-step explanation:

you can use those points to find the slope

use the equation \frac{y_{1} - y_{2}}{x_{1}-x_{2}} then plug in the numbers

so (1-1)/(-8-7) = 0/15 so the slope is zero meaning it is a horizontal line which we can tell logically because the y coordinates of both points are 1.

so if you plug those numbers into the formula y=mx+b where m is slope and b is the y intercept then

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Hope this helps! :)

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Suppose a city with population 600, 000 been growing at a rate of 3% per year. If this rate continues, find the population of th
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Answer:

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5 0
3 years ago
Which expression represents -8x2 + 54x + 140 in factored form?
ra1l [238]

Answer:

-2(x+2)(4x-35)

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3 0
3 years ago
Suppose that a colony of bacteria starts with 1 bacterium and doubles in number every half hour. how many bacteria will the colo
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Let a_n represent the number of bacteria after \frac{n}{2} hours.

so

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a_2 is the number of bacteria after 2/2 = 1 hours and so on


so if we list a few terms of this sequence, we have:

a_0=1

a_1=1*2

a_2=1*2*2

a_3=1*2*2*2

a_4=1*2*2*2*2


so clearly, a_n, the number of bacteria after \frac{n}{2} hours, is equal to 2^{n}.
 

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Thus, we calculate  a_4_8, which is 2^{48}.


Answer: the number of bacteria after 24 hours is 2^{48}.

3 0
3 years ago
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