3 years ago

What is the approximate surface area of the sphere?

Mathematics

1 answer:

Misha Larkins [42]3 years ago

3 0

The approximate surface area of the sphere is 94.2 squared

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Please help me with this . I can’t fail geometry I need your help please Please

krok68 [10]

Answer:

Step-by-step explanation:

m<ACB is half of the angle AOB so u divide 62/2 and the answer is31

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3 years ago

Mikaela placed a frame around a print that measures 10 inches by 10 inches. The area of just the frame itself is 69 square inche

olchik [2.2K]

Answer:

1.5 in

Step-by-step explanation:

Let x be the width of the frame.

Side of print=10 in

Area of frame=69 square in

We have to find the width of the frame.

Side of frame=10+x+x=10+2x

Area of square= $(side)^2$

By using the formula

Area of print= $10\times 10=100in^2$

Area of frame with print= $(10+2x)^2$

Area of frame=Area of frame with print-Area of print

$69=(10+2x)^2-100$

$(10+2x)^2=69+100=169$

$(10+2x)=\sqrt{169}=\pm 13$

$10+2x=13$

Because Side is always positive.

$2x=13-10=3$

$x=\frac{3}{2}=1.5$

Hence, width of frame=1.5 in

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3 years ago

Pls help ASAP I DONT have time

Law Incorporation [45]

Download Symbolab it will answer your question super quick in 2 seconds

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3 years ago

(2+1/2) (2^2-1+1/4) find the expression in the form of cubes and differences of two terms.

Elden [556K]

Answer:

Consider the following identity:

a³ - b³ = (a + b)(a² - ab + b²)

Let a = 2, b = 1/2

(2 + 1/2)(2² - 2*1/2 + 1/2²) =
2³ - (1/2)³ =
8 - 1/8

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3 years ago

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Sixteen is 64% of what number? A. 12 B. 48 C. 32 D. 25

NNADVOKAT [17]

Answer:

D. 25

Step-by-step explanation:

16 divided by 64% is 25

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2 years ago

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