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antoniya [11.8K]
3 years ago
9

For the angles shown in the diagram, which statements are true? Select all that apply.

Mathematics
1 answer:
tatuchka [14]3 years ago
7 0

Answer:

A, D, E

Step-by-step explanation:

i just did it

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Is sin A is 7/10 what is Cos A
viva [34]

Answer:

Cos A = (√51)/ 10

Step-by-step explanation:

sin  is opposite/hypothenuse

cos is adjacent/hypothenuse

Pythagorus theorem says that c² = a² + b²

10² = 7² + b²

b² = 100 - 49

b = ±√51

It doesn't make sense for a length to be a minus number therefore, we will use +√51.

Cos A = (√51)/ 10

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A bag holds 12 red marbles, 11 green
Blizzard [7]

Answer:

62.22%

Step-by-step explanation:

First, find how many total marbles there are:

12 + 11 + 17 + 5

= 45

Then, find how many marbles that are not blue:

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Then, divide 28 by 45, and multiply by 100

(28/45) x 100

= 62.22% is the probability of not choosing a blue marble

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3 years ago
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-4.3 + x equals 0 selected place on the number line to positive value of x​
Zanzabum

Answer:

x is equal to 4.3

Step-by-step explanation:

since it's -4.3 + x is equal to 0

you take -4.3 to the other side of the equal sign which makes it positive and x is equal to 4.3

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3 years ago
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vfiekz [6]
The missing blank is 2 because 7+2=9.
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3 years ago
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Solve the right triangle round your answer to the nearest tenth
saul85 [17]

Answer:

14

Step-by-step explanation:

You add 50 and 26 together to get 76, then you subtract 90 and 76 to get 14

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3 years ago
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