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2 years ago

7

A lawn sprinkler spins in a circle. The sprinkler covers a radius of 12 feet. Which choice is the closest to the area of lawn th

at the sprinkler can cover?

1 answer:

Norma-Jean [14]2 years ago

5 0

Answer:

Step-by-step explanation:

The formula for the area of a circle is π r^2.

3.14 (12x12) = 452.16

Approximately 450sqft

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What is the least common multiple (LCM) of 4 and 15? A. 19 B. 20 C. 60 D. 30

ad-work [718]

Answer:

C

Step-by-step explanation:

Multiples of 4: 4,8,16,20,24,28,32,36,40,44,48,52,56,60

Multiples of 15: 15,30,45,60

Th smallest number that they both can multiply to is 60

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2 years ago

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I am needing help with this question can anyone help me!!

MatroZZZ [7]

Answer:

It's y=4x+3

Step-by-step explanation:

if you find the slope m=(y2-y1)/(x2-x1). Then you know the y-intercept is 3 because it gives you the point (0,3).

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2 years ago

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icang [17]

Answer:

CD ≠ EF

Step-by-step explanation:

Using the distance formula

d = $\sqrt{(x_{2}-x_{1})^2+(y_{2}-y_{1})^2 }$

with (x₁, y₁ ) = C(- 2, 5) and (x₂, y₂ ) = D(- 1, 1)

CD = $\sqrt{(-1+2)^2+(1-5)^2}$

= $\sqrt{1^2+(-4)^2}$

= $\sqrt{1+16}$ = $\sqrt{17}$

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EF = $\sqrt{(- 1+4)^2+(-1+3)^2}$

= $\sqrt{3^2+2^2}$

= $\sqrt{9+4}$ = $\sqrt{13}$

Since $\sqrt{17}$ ≈ $\sqrt{13}$ , then CD and EF are not congruent

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2 years ago

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Answer:

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The answer is 4:7

Step-by-step explanation:

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2 years ago