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3 years ago

What equation is graphed in this figure?

Mathematics

2 answers:

aniked [119]3 years ago

5 0

Based on the graph, the slope is -3, and the y-intercept is 1. So your equation should be:

y = -3x + 1

The answer is C

y + 2 = -3(x - 1)

y + 2 = -3x + 3

y = -3x + 1

patriot [66]3 years ago

3 0

The answer is y=-3x+1 so it would b c:)

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A bacteria culture contains 1500 bacteria initially and doubles every hour. Find a function N that models the number of bacteria

Katen [24]

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

6 0

3 years ago

If u get this right u get branist

Vladimir [108]

5(2)^2-2(7) = 6

6(7+2)/2 = 27

Therefor the correct answer is the < symbol.

I hope this helps! :)

7 0

3 years ago

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The area of the triangle below is 8.91 square inches. What is the length of the base?

Studentka2010 [4]

Answer:

8.1 inches

Step-by-step explanation:

Area of a triangle = ½ × base × height = Area

Rearranged =

$\frac{area}{ \frac{1}{2} \times height}$

Base is the length by the way.

$\frac{8.91}{ \frac{1}{2} \times 2.2 }$

=8.1 inches

6 0

3 years ago

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How big is the biggest rat on the planet

charle [14.2K]

Answer:

2.5 ft

Step-by-step explanation:

Why would you put that as a question!?

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3 years ago

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You are doing "interval training" around a 400-meter track. To do this, you sprint for 200 meters, jog for 100 meters and then w

Margarita [4]

Using proportions, it is found that it will take you 392 seconds = 6 minutes and 32 seconds to complete 4 laps.

<h3>What is a proportion?</h3>

A proportion is a fraction of a total amount, and the measures are related using a rule of three.

In this problem, considering the given rates, the time that is takes to complete one lap of 400 m is given by:

t = 2 x 12(sprint) + 24(half as fast as the sprint, 24 seconds per 100 meters) + 50 = 98 seconds.

Hence for 4 laps, the time is given by:

t = 4 x 98 seconds = 392 seconds = 6 minutes and 32 seconds to complete 4 laps.

More can be learned about proportions at brainly.com/question/24372153

#SPJ1

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2 years ago