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lesya [120]
3 years ago
12

A detective determines that the number of robberies on a given day and the number of days since the start of the month can be mo

deled by a square root function. On the fourth day of the month, there were 4 robberies. On the ninth day of the month, there were 6 robberies. On the sixteenth day of the month, there were 8 robberies. Which points should be plotted to graph this function?
A. (2, 2) , (3, 3) , (4, 4)

B. (4, 4) , (9, 6) , (16, 8)

C. (4, 2) , (9, 3) , (16, 4)

D. (2, 4) , (3, 6) , (4, 8)
Mathematics
2 answers:
katrin2010 [14]3 years ago
6 0

Answer:

  • B. (4, 4) , (9, 6) , (16, 8)

Step-by-step explanation:

<u>Describes pairs are:</u>

  • (4, 4), (9, 6) and (16, 8)

This is matching the option B

Evgen [1.6K]3 years ago
3 0

Answer:

B. (4,4), (9,6), (4,4)

Step-by-step explanation:

:)

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Answer:

x=21

Step-by-step explanation:

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First right answer FOR BOTH gets brain
Orlov [11]
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To solve y and x, I am adding a picture
Viktor [21]

Answer:

x =\sqrt 5

y = \sqrt{5

Step-by-step explanation:

Given

The attached triangle

Required

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Considering angle 45 degrees, we have:

\cos(45) = \frac{y}{\sqrt{10}} --- cosine formula i.e. adj/hyp

Solve for y

y = \sqrt{10} * \cos(45)

In radical form, we have:

y = \sqrt{10} * \frac{1}{\sqrt 2}

y = \sqrt{10/2}

y = \sqrt{5

To solve for x, we make use of Pythagoras theorem

x^2 + y^2 = (\sqrt{10})^2

x^2 + y^2 =10

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4 0
3 years ago
Step by step please help answer.
sweet-ann [11.9K]

Answer:

(2) 2,640 ft

Step-by-step explanation:

I'm going to assume that in this question, you are walking 1 full circle around the reservoir. That would mean you need to calculate the circumference of the circular reservoir.

The circumference formula is:

C = ⫪d

C stands for Circumference

d stands for diameter

I will use 22/7 instead of pi, so the formula looks more like this:

C = (22/7)(d)

The diameter is 840 feet, so we will substitute the variable d with 840:

C = (22/7)(840)

You can plug this part into the calculator, but by hand, it'll look something like this:

(22/7)*840 = (22*840)/7

18,480/7 = 2.640

Hope it helps (●'◡'●)

5 0
3 years ago
You recently purchased a new snowboard for the upcoming winter. The board, with bindings, came out to be $315.32. You were told
gizmo_the_mogwai [7]
First the original price is reduced by 15%
assume the original price is x
100%-15%=85%..u r left with 85% of the price
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323/400 x =$315.32
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7 0
3 years ago
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