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Papessa [141]
2 years ago
5

Need help with math questions

Mathematics
2 answers:
shtirl [24]2 years ago
5 0

Answer:

Combine like terms - 3+x=4

Given - 3 +4x -3x =4

Subtraction Property of Equality- x=1

Fed [463]2 years ago
3 0
What are the answers you are give?
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Triangle ABC is similar to triangle XYZ. Also, angle A measures 45° and angle C measures 60°.
adoni [48]
Assuming that angles X and Z are the same as A and C, the Y angle must be 75 degrees. It's because the sum of all three angles in any triangle give us 180 degrees, so:

180 - 45 - 60 =  75 degrees
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3 years ago
A kite is flying with its string, which is of length 60 metres, taut.The kite is 20 metres vertically above the ground.a)Find th
chubhunter [2.5K]

a) Due to you have a right triangle, in order to calculate the value of d, use the Pythagorean thorem:

d=\sqrt[]{(60m)^2+(20m)^2}=\sqrt[]{4000m^2}\approx63.2m

Hence, the distance d is approximately 63.2m

b) To find the angle of elevation, use the sine function of θ, as follow:

\begin{gathered} \sin \theta=\frac{opposite}{hypotenuse}=\frac{20m}{60m}=\frac{1}{3} \\ \theta=\sin ^{-1}(\frac{1}{3})\approx19.8 \end{gathered}

Hence, the angle of elevation is approximately 19.8°

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2 years ago
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Luda [366]
Circumference = pi * diameter = 21 * 22/7 =  66 m (answer)
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Read 2 more answers
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