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2 years ago

A 25-ft ladder is leaning against a house, as shown in the picture. Find the slope of the ladder.

Mathematics

1 answer:

IgorC [24]2 years ago

3 0

Answer:

168

Step-by-step explanation:

length divided by width is 168

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telo118 [61]

Answer:

Step-by-step explanation:

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2 years ago

Least to greatest 3/6 3/4 2/8

-Dominant- [34]

Answer:

2/8 3/6 3/4. That is least to greatest

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3 years ago

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When dividing 878 by 31 a student finds a quotient of 28 with a remainder of 11 check the students work and use the check to fin

sveticcg [70]

878 ÷ 31 = 28 with a remainder of 10

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3 years ago

If a = 7 and b = 11, what is the measure of ∠B? (round to the nearest tenth of a degree) A) 32.5° B) 39.2° C) 50.5° D) 57.5°

Ilia_Sergeevich [38]

Answer:

D) 57.5°

Step-by-step explanation:

As the question is not complete. So, let's suppose it is a right angle triangle then, we can apply Pythagoras theorem to calculate the hypotenuse or the third side.

Pythagoras Theorem = $c^{2}$ = $a^{2} + b^{2}$

a = 7 and b = 11

$a^{2}$ = 49

$b^{2}$ = 121

Plugging in the values, we will get:

$c^{2}$ = 49 + 121

$c^{2}$ = 170

c = $\sqrt{170}$

To calculate the unknown angle B, we can use law of sine.

Law of sine = $\frac{a}{sinA}$ = $\frac{b}{sinB}$ = $\frac{c}{sinC}$

So,

$\frac{c}{sinC}$ = $\frac{b}{sinB}$

$\frac{\sqrt{170} }{sin90}$ = $\frac{11}{sinB}$

Sin90 = 1

sinB = $\frac{11}{\sqrt{170} }$

B = $sin^{-1}$ ( $\frac{11}{\sqrt{170} }$ )

B = 57.5°

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3 years ago

3x2 - 2x = 0<br> Factorise and solve

malfutka [58]

Solve : 3x-2 = 0

Add 2 to both sides of the equation :

3x = 2

Divide both sides of the equation by 3:

x = 2/3 = 0.667

Two solutions were found :

x = 2/3 = 0.667

x = 0

hope this helped

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3 years ago

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