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Scrat [10]
3 years ago
11

A sphere has a diameter of 8 feet.What is its surface area in square inches?Round your answer to the nearest hundredth.Use 3.14

to approximate pi.
Mathematics
1 answer:
Scilla [17]3 years ago
8 0
The surface area of the sphere in square inches is 28,952.92 in^2 rounded to the nearest hundredth.
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PLZZ I WILL GIVE BRAINLIST PLEASE ANSWER ASAP!!!!
lora16 [44]

Answer:

Option C. -3x^2-13x-5

Step-by-step explanation:

we know that

To find how much greater is the area of room A than the area of room B. subtract the area of room B from the area of room A

so

(5x^{2}-7x-6)-(8x^{2}+6x-1)\\ \\= (5x^{2}-7x-6)-8x^{2}-6x+1\\ \\=(5x^{2}-8x^{2})+(-7x-6x)+(-6+1)\\ \\=-3x^{2} -13x-5

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2 years ago
Which trigonometric functions always have values less than 1? Explain your answer.
raketka [301]

Answer:

Notice that the values of sine and cosine are between 0 and 1. You found them by dividing the length of a leg by the hypotenuse. The hypotenuse is the longest side, so the numerator is less than the denominator. That means the output of the sine or cosine function is always less than 1.

Step-by-step explanation:

3 0
3 years ago
Kinda left explainitory but I need help with finding the base ​
almond37 [142]

Answer:

6.4 cm

Step-by-step explanation:

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\frac{1}{2}*base *altitude = 17.28\\\\\frac{1}{2}*base*5.4=17.28\\\\base = 17.28*\frac{2}{5.4}\\\\base= 3.2*2\\\\base = 6.4 cm

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morpeh [17]
Substitute each value until the answer is correct

a. 1 = -4 x -5 -1
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c. -5 = -4 x 1 -1
-5 equals -5
just to make sure the last answer is incorrect
d. -7 = -4 x 2 -1
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3 years ago
Read 2 more answers
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Nadya [2.5K]
Revenue is money made in total. It doesn’t matter how much profit, so the manufacturing cost doesn’t matter.

R = 2x + 8000

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