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andreyandreev [35.5K]
3 years ago
12

PLEASE ANSWER ASAP FOR BRAINESLT!!!!!!!!!!!!!!!!!!

Mathematics
2 answers:
guapka [62]3 years ago
8 0

Step-by-step explanation:

a = \pi {r}^{2} \\ a = \pi {5}^{2}  = 78.5 \:  {in}^{2}

sweet-ann [11.9K]3 years ago
6 0

Answer:

The area of this circle is 78.5

Step-by-step explanation:

The area of a circle can be calculated with the equation πr². r stands for "radius", the distance between the center of the circle to any point of its edge which also equals to half of a circles diameter. Since the diameter of this circle is 10 in., its radius is

r = d/2 = 10/2 = 5\\

Then, we use this to find the area

Area =\pi r^2=\pi (5)^2=25\pi=78.5 (rounded to the first decimal place)

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lara31 [8.8K]

Answer:

- 7 < - 5

Step-by-step explanation:

Because negative 7 is technically lower than negative 5. Due to them being negative the more closer you are to -1 the more higher of a number it is. I don't know how to explain it but I hope that it makes sense!

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7 0
3 years ago
How long will it take the ball to reach the ground
SSSSS [86.1K]
When the ball reaches the ground, its height is 0.
We set the height function equal to zero and solve for t, the time.

h = -16t^2 + 250

-16t^2 + 250 = 0

16t^2 - 250 = 0

(4t + \sqrt{250})(4t - \sqrt{250}) = 0

4t + \sqrt{250} = 0   or   4t - \sqrt{250} = 0

4t = -\sqrt{250}   or   4t = \sqrt{250}

t = -\dfrac{\sqrt{250}}{4}   or   t = \dfrac{\sqrt{250}}{4}

We discard the negative solution since time must be positive.
The positive solution is

t = \dfrac{\sqrt{250}}{4} \approx 4.0

Answer: 4.0 seconds
8 0
3 years ago
Eduardo is painting a rectangular wall that is 96 inches high and 110 inches long. What is the area of the wall?
EastWind [94]
<h3><u>Required</u><u> Answer</u><u>:</u><u>-</u></h3>

Here the height and length are the sides of the rectangular wall and we have to find the area.

Area of rectangle is given by:

= l \times b

where l is the length and b is the breadth/width according to the question. Plugging the given values:

= 110 \times 96 \:  {inch}^{2}

= 10560 \:  {inch}^{2}

<h3><u>Hence:</u><u>-</u></h3>

The area of the wall is <u>1</u><u>0</u><u>5</u><u>6</u><u>0</u><u> </u><u>inch²</u>

8 0
3 years ago
Question 1 of 7
vagabundo [1.1K]
Formula:
rs\pi + {r}^{2} \pi
π(6)(8) + π(6)(6)

48π + 36π

84π

84( 3.14 )

Answer: 263.76 cm^2

IGNORE, IT IS WRONG
7 0
3 years ago
2 mi, 1.5 mi, 2.5 mi​
Vaselesa [24]

what is the question

8 0
3 years ago
Read 2 more answers
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