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Rashid [163]
3 years ago
8

The county park wants to install a circular fence around the sandpit. How much fencing will they need if the diameter of the san

dpit is 10 ft?
Mathematics
1 answer:
garik1379 [7]3 years ago
4 0

Answer:

157.07963

Step-by-step explanation:

2πr²

2π(5)²

2π(25)

50π

157.07963

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Round 4.028 to the nearest tenth.
Shalnov [3]

Answer:

4.0

Step-by-step explanation:

Look at the decimal place next to the tenths place. It has a 2 in its place. The rule for rounding is that any number 4 or lower is rounded down. Any number 5 or above is rounded up. The number is 2, which is below 4, so we round down. The tenths place would stay the same because it can't get any smaller. Therefore, 4.028 is rounded down to 4.0

4 0
3 years ago
What is 7/12 +3/12+7/12=
gladu [14]

Answer:

the answer is \frac{17}{12\\\\ } or as a mixed number 1  \frac{5}{12}

Step-by-step explanation:

8 0
3 years ago
The coordinates of triangle FGH are F(2, 4), G(5, −9) and H(−3, −4). Which statement proves that triangle FGH is a right triangl
notsponge [240]
We know that

A right triangle has the two legs that form an angle of 90°, which means that the two legs are perpendicular.

In order to prove that FGH is a right triangle, you need to calculate the slopes of the lines passing through its vertexes and see if there is a pair of opposite reciprocals:
m = (y₂ - y₁) / (x₂ - x₁)

m(FG) = (-9 - 4) / (5 - 2) = -13/3
m(FH) = (-4 - 4) / (-3 - 2) = 8/5
m(HG) = (-4 -(-9)) / (-3 - 5) = -5/8
Since m(FH) and m(HG) are opposite reciprocals, FH is perpendicuar to HG and FGH is a right triangle.
4 0
3 years ago
Read 2 more answers
Which equation represents the larger number that is 2 more than 4 times a smaller number?
Setler79 [48]
X = 2 + 4y....with x being the larger number and y being the smaller number
OR
y = 2 + 4x....with y being the larger number and x being the smaller number
3 0
4 years ago
Katie's baby took 3 naps. Each nap was of an hour long.
viva [34]

Answer:

18 naps

Step-by-step explanation:

We have the keyword each, so we are multiplying, so our equation is:

3 x 6 = 18

So, Katie's baby napped for 18 hours in all

7 0
3 years ago
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