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Law Incorporation [45]
3 years ago
11

Round 45.395 to the nearest hundredth

Mathematics
1 answer:
nikdorinn [45]3 years ago
5 0
45.40 is your number
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Find the area of the figure. Use 3.14 for pie . Round your answer to the nearest tenth.
gizmo_the_mogwai [7]

Answer:

538.3

Step-by-step explanation:

First of all find the area of the rectangle

L*W

15*30

450

Now find the area of semi circle

1/2\pi r^{2}

Since radius is half a diameter divided 15 by 2=7.5

1/2\pi 7.5^{2}                            7.5 times 7.5= 56.25

1/2*3.14*56.25

56 times 3.14 is 176.625 now multiply 176.625 by 1/2

Answer is 88.3125

Now add 450 to 88.3125

Final answer: 538.3125

7 0
3 years ago
This is a better photo I can’t figure this one out. Any help?
natali 33 [55]

Answer:

the answer is 4

Step-by-step explanation:

because i did it on desmos that is a graphic calculator

3 0
3 years ago
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A marker is 0.13 what is the length in millimeters
Flura [38]
If the marker is 0.13cm, then it is 13 millimeters.
5 0
3 years ago
Find the equation for the parabola that passes through the point (-2,-4), with vertex at (3,1) and a vertical axis
Igoryamba

Answer:

see explanation

Step-by-step explanation:

The equation of a parabola in vertex form is

y = a(x - h)² + k

where (h, k) are the coordinates of the vertex and a is a multiplier

Here (h, k) = (3, 1), hence

y = a(x - 3)² + 1

To find a substitute (- 2, - 4) into the equation

- 4 = a(- 2 - 3)² + 1

- 4 = 25a + 1 ( subtract 1 from both sides )

25a = - 5 ( divide both sides by 25 )

a = - \frac{5}{25} = - \frac{1}{5}

y = - \frac{1}{5} (x - 3)² + 1 ← in vertex form

7 0
3 years ago
WILL GIVE BRAINIEST IF CORRECT<br><br> Which of the following doesn't belong? Explain.
Law Incorporation [45]

Step-by-step explanation:

a. 5x² - 80

b. 5(x² + 4x - 4x -16)

5(x² - 16)

5x² - 80

c. 5x² - 20x + 20x - 80

5x² - 80

d. 5x² - 11

D doesn't belong because 5x² - 11 is not the answer to A, B, or C.

4 0
2 years ago
Read 2 more answers
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