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3 years ago

I need help with these two questions

Mathematics

1 answer:

zhenek [66]3 years ago

6 0

9 is A. To find y set x equal to zero. To find x set y equal to zero.
10 is D. I found the slope of the two points. Slope is y1-y2 / X1-x2

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Find the missing dimension. use the scale factor 5:8

klasskru [66]

Question 14
5 : 8
1.5 : x
$5x = 12 \\ x = 2.4$
Answer : Actual length = 2.4m

Question 15
5 : 8
x : 20
$8x = 100 \\ x = 12.5$
Answer : Actual length = 12.5m

Hope this helps. - M

7 0

3 years ago

The number N of bacteria present in a culture at time t (in hours) obeys the equation N = 1000e^0.01t After how many hours will

jasenka [17]

Answer: N(t) = (2^t)*1500

Step-by-step explanation:

Let's define the hour "zero" as the initial population.

So if N(t) is the number of bacteria after t hours, then:

N(0) = 1500.

Now, we know that the population doubles every hour, so we will have that after one hour, at t = 1

N(1) = 2*1500 = 3000

after two hours, at t = 2.

N(2) = 2*(2*1500) = (2^2)*1500

After three hours, at t = 3

N(3) = 2*(2^2)*1500 = (2^3)*1500

So we already can see the pattern, the number of bacteria after t hours will be:

N(t) = (2^t)*1500

5 0

3 years ago

6.3 x 10'-8 in standard notation

iris [78.8K]

6.3 x 10'-8
63 - 8
55

55 is the answer

5 0

3 years ago

Need help ASAP !!!<br><br><img src="https://tex.z-dn.net/?f=%20%5Csqrt%7B6854%20%5Ctimes%206854%7D%20" id="TexFormula1" title="

aniked [119]

Answer:

√{6854×6854}=√6854²=±6854 is your answer

3 0

2 years ago

Read 2 more answers

Find the area of the shaped region

Ganezh [65]

Answer: B

Step-by-step explanation:

A = 0/360 ×π×r^2

=135/360×π×11×11

=142.55 yd^2

5 0

3 years ago