2 years ago

If someone could help me figure out #7 ASAP I’d really appreciate it

1 answer:

8 0

Answer: Angle N

Explanation:

For triangle ABC, we refer to the middle angle, Angle B.

For triangle MNP, we refer to its middle angle, Angle N.

Good luck!

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12percent of what number is 45

Molodets [167]

45 / 0.12 = 375
Answer: 375

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3 years ago

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In the formula l2 = h2 +r2, l=25 and r=7, then the value of h is

Genrish500 [490]

Answer:

Step-by-step explanation:

I2=h2+r2

25(2)=h2+7(2)

50=h2+14

-14 -14

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2 years ago

Robert needs to cut four shelves from a board that is 2.5 meters long. The second shelf is 18 centimeters longer than twice the

USPshnik [31]

1st shelf: 48cm
2nd shelf: 114cm
3rd shelf: 36cm
4th shelf: 52cm
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3 years ago

The following table shows the probability of rolling the numbers 1 through 7

Marysya12 [62]

Answer:

2.0

Step-by-step explanation:

Couldn't really understnd what you wrote but I'll assume it's the standard deviation of a fair, 7-sided die

The standard deviation is just the square root of the variance (which is just the second moment minus the first moment squared)

The first moment (AKA the average is..)

$\frac{1+2+3+4+5+6+7}{7}=4$

The second moment is..

$\frac{1^2+2^2+3^2+4^2+5^2+6^2+7^2}{7}=20$

$\sqrt{20-4^2}=2$

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3 years ago

The diameter of a large sphere is 4 times the diameter of a small sphere. The surface area of the large sphere is how many times

Sever21 [200]

Surface Area of a Sphere = 4π(d/2)²
Let the smaller sphere's diameter be just a sample of 4 units in diameter and let the large spheres diameter be 4 times that of the smaller sphere.

Small Sphere: 4π(4/2)² = 16π units²
Large Sphere: 4π(16/2)² = 256π units²

256π / 16π = 16 times

The large sphere has a surface area 16 times that of the smaller one.

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3 years ago