3 years ago

How many more degrees are in a straight angle than in a right angle

Mathematics

1 answer:

Verizon [17]3 years ago

5 0

Answer:

90 more degrees

Step-by-step explanation:

a straight angle = 180 degrees

right angle= 90 degrees

so u have to substract the right angle from the staight angle

180-90=90 degrees

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Need help with this problem.

tigry1 [53]

Answer:

C) $-\frac{47}{49}$

Step-by-step explanation:

By the cos double angle formula, we know $\cos(2\theta)=2\cos^2\theta-1.$ Substituting $\cos \theta$ into the formula, we get

$\cos(2\theta)=2(-\frac{1}{7})^2-1\\~~~~~~~~~~=\frac{2}{49}-1\\~~~~~~~~~~=\boxed{-\frac{47}{49}}$ .

The answer is C.

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2 years ago

In a survey of 400 randomly selected people, it was determined that 22 play soccer. What is the probability that a randomly sel

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Answer:

5.5% probability that a randomly selected person plays soccer

Step-by-step explanation:

A probability is the number of desired outcomes divided by the number of total outcomes.

Desired outcomes:

People surveyed who play soccer, so $D = 22$

Total outcomes:

Total people surveyed, so $P = 400$

What is the probability that a randomly selected person plays soccer?

$P = \frac{D}{T} = \frac{22}{400} = 0.055$

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2 years ago

How can i find the área of a triangle? please help.

Anni [7]

This is the area of a triangle

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3 years ago

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What is x in 3x+3= -2x-12

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2 years ago

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A box has dimensions of 17 inches long, 1.3 feet wide, and 8 inches high. What is the volume of the box? The formula for the vol

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I hope this helps you

Volume =17×1,3×8

Volume =176,8

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2 years ago