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BARSIC [14]
4 years ago
9

PLEASE HELP WILL MARK U BRAINLIEST

Mathematics
1 answer:
lisov135 [29]4 years ago
4 0

Answer:

B

Step-by-step explanation:

find the the surface area of one corner

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The radius of a semicircle is extended by 6 inches.how does the measure of the semicircles arc length change?
vivado [14]
Let x be the original radius.  Given that a semicircle will have an arc length of half of a circumference and C=2pr, the arc length will be just pr.

Now the difference of arc is then going to be:

p(6+x)-px

p(6+x-x)

6p inches

So the arc will be 6p inches longer.  Or if you wish to approximate...

≈18.85 inches
7 0
4 years ago
Find the circumference and the area of a circle with radius 5 ft Use the value 3.14 for pi and do not round your answers. Be sur
Black_prince [1.1K]

Answer:

circumference: 31.41593 ft

Area: 78.53982 ft

Step-by-step explanation:

8 0
3 years ago
Read 2 more answers
Is the following statement always, never, or sometimes true?
notsponge [240]
The answer is sometimes
3 0
3 years ago
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I put D since I believe HL applies here but am not sure. Could anybody please help?
Fed [463]
<h3>Answer:  B) II and III</h3>

====================================================

Explanation:

Check out the diagram below.

On the left side shows ASA can be used to prove the triangles congruent. Note the color coding to see how the angles match up. Also note that the segment TR is between angles STR and SRT. The order is important because ASA is different from AAS.

Angle STR = Angle VTU because they are vertical angles

Angle SRT = Angle VUT since they are alternate interior angles. Note how SR is parallel to UV. If the lines weren't parallel, then the alternate interior angles would not be congruent.

We can use AAS because if we know two angles of a triangle, we can find the third angle. Despite the fact that something like RST looks like a right angle, we don't have enough info to say it is or not. The square angle marker is missing. So it could be 90 degrees, or it might be something like 89 degrees instead. We don't have enough info. So we cannot use HL.

AAA or AA is not a congruence theorem. It's a similarity theorem. So we cross this off the list.

8 0
3 years ago
A hunter is at a point on a riverbank. He wants to get to his cabin located 2 Miles North and 8 Miles West. He can travel 5 Mph
miskamm [114]

Answer:

Option A

Step-by-step explanation:

A hunter travels to his cabinet located at 2 Miles North and 8 Miles West.

Let "d" be the distance traveled before reaching the rocky ground at point say "P". Let the cabin be at "C"

The distance between C and P is given by

\sqrt{(2^2+(8-d)^2}\\

Let "t" be the time taken to travel distance CP.

T = \frac{d}{5} + \frac{\sqrt{2^2+(8-d)^2} }{3}

Minimum time will be when "t" is equal to zero

Differentiating the above equation wrt "d", we get -

= \frac{1}{5} + \frac{1}{3} (\frac{-2(8-d)}{2\sqrt{2^2+(8-d)^2} } )= 0\\\frac{1}{5} = \frac{1}{3} \frac{(8-d)}{\sqrt{4+(8-d)^2} } \\3\sqrt{4+64+d^2-16d} = 40-5d\\

On squaring both the sides , we get -

3\sqrt{4+64+d^2-16d} = 40-5d\\9(68+d^2-16d)= 1600+25d^2 -400d\\612+9d^2-144d=1600+25d^2 -400d\\16d^2-256d+988=0\\d_1 = 9.5\\d_2 = 6.5

"d" cannot be greater than 8 miles.

Hence, the value of "d" is equal to 6.5

Option A

8 0
3 years ago
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