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3 years ago

Please help !! asap !!

Mathematics

1 answer:

Art [367]3 years ago

4 0

The correct answer is 22.6

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If △ABC is an isosceles triangle where AB¯≅AC¯, m∠A=(2x−20)°, and m∠B=(3x+5)°, then m∠C=__________°.

kotegsom [21]

Let ABC be an isosceles triangle with AB = AC. Let M denote the midpoint of BC (i.e., M is the point on BC for which MB = MC). Thena) Triangle ABM is congruent to triangle ACM.b) Angle ABC = Angle ACB (base angles are equal)c) Angle AMB = Angle AMC = right angle.d) Angle BAM = angle CAM

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4 years ago

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1 year = how many seconds? Last question in my h.w and idk how to do it:/

Novay_Z [31]

This should help
60 sec = 1min
60min = 1 hour
24hour = 1day
7 days = 1 week
around 4.3 weeks = 1month
12 months = 1 year

or you could use 365 days and times that by 24 than times that by 60 to get mins and again by 60 to get seconds.

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3 years ago

HELP what number is equal to -9 x(-1/3) A.-27 B.-3 C.3 D.27

gladu [14]

Answer:

The correct answer is letter C

Step-by-step explanation:

3 0

3 years ago

What does p equal please help me.

Sauron [17]

Answer: p < -3/5

Step-by-step explanation:

2p - 4 < -3p - 7

+3p +3p

------------------------

5p - 4 < -7

+4 +4

------------------------

5p < -3 (divide by 5)

p < -3/5

3 0

3 years ago

Mr. Dyer is leaning a ladder against the side of his house to repair the roof. The top of the ladder reaches the roof, which is

boyakko [2]

Answer:

5 meters.

Step-by-step explanation:

Given:

Mr. Dyer is leaning a ladder against the side of his house to repair the roof.

The top of the ladder reaches the roof, which is 3 meters high.

The base of the ladder is 4 meters away from the house, where Mr. Dyer's son is holding it steady.

Question asked:

How long is the ladder?

Solution:

Here we found that a right angle triangle is formed in which base and height is given and we have to find the longest side of the triangle.

Base = 4 meters

Height = 3 meters

Length of the ladder = ?

By Pythagoras theorem:

Square of longest side = Square of base + Square of height

$(Longest\ side)^{2} = 4^{2} +3^{2}$

$(Longest\ side)^{2} = 16+9$

$(Longest\ side)^{2} = 25$

Taking root both side :-

$\sqrt[2]{(Longest\ side)^{2} } =\sqrt[2]{25}$

$Longest\ side = \sqrt[2]{5\times5} \\ Longest\ side = 5$

Thus, length of ladder is 5 meters.

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3 years ago

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