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lbvjy [14]
3 years ago
5

In a right triangle ABC angle B is the right angle and m angle C = 30 degrees if AC = 10 what is AB

Mathematics
1 answer:
Sindrei [870]3 years ago
8 0

Answer:

  • AB = 5

Step-by-step explanation:

This is a 30°-60°-90° right triangle.

AC is hypotenuse, AB is opposite side to 30° angle.

We know that in such a triangle the side opposite to 30° angle is half the hypotenuse.

<u>So we have:</u>

  • AB = 1/2AC = 1/2(10) = 5
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PLEASE HELP For what value of the variable will the value of 2x+1 be 20 greater than 8x+5?
wlad13 [49]

It will be a negative.

for an example: -20 for x would mqke 2x + 1 into -39 and 8x + 5 into -155. that's 116 apart, so maybe -2(8) + 5 = -11

-2(2) + 1 = -3

but that's only 8 apart, so it'd be higher.

-4(2) + 1 = -7

-4(8) + 5 = -27

BOOM

Tadaaaa,

You probably thought positive, but sometimes it's negative, you know what I mean?

6 0
4 years ago
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yuradex [85]

Answer:

1/4

Step-by-step explanation:

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8 0
3 years ago
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Iteru [2.4K]

Answer:

1) 3.75

2)0.833333

3)3.66666

Step-by-step explanation:

See photo for Step-bystep explanation

3 0
3 years ago
The age of a father is 3 times the age of his son. 5 years ago, the father was 4
LUCKY_DIMON [66]

Answer:

Step-by-step explanation:

x = father's age

y = son's age

Nowadays:

3x = y

5 years ago:

4(x - 5) = y - 5

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I hope I've helped you.

3 0
4 years ago
Which set of three numbers could represent the lengths of the sides of a right triangle?
Lubov Fominskaja [6]
Answer=5,12,13

Just plug all of these values into the pythagorean theorem. If they work, then they could represent a right triangle.

For example:
5²+12²=13²
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4 years ago
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