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2 years ago

Pleaseeeeeeeeeee help me

Mathematics

1 answer:

choli [55]2 years ago

8 0

Answer:

144

Step-by-step explanation:

4 x 4 = 16 x 2 = 32

7 x 4 = 28 x 2 = 56

add them up

144

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5 0 = - in = in quadrant II Given cos = Find sin 3

____ [38]

Answer:

sinΘ = $\frac{2}{3}$

Step-by-step explanation:

using the identity

sin²x + cos²x = 1 ( subtract cos²x from both sides )

sin²x = 1 - cos²x ( take square root of both sides )

sinx = ± $\sqrt{1-cos^2x}$

given

cosΘ = - $\frac{\sqrt{5} }{3}$ , then

sinΘ = ± $\sqrt{1-(-\frac{\sqrt{5} }{3})^2 }$

= ± $\sqrt{1-\frac{5}{9} }$

= ± $\sqrt{\frac{4}{9} }$

= ± $\frac{2}{3}$

since Θ is in quadrant II where sinΘ > 0 , then

sinΘ = $\frac{2}{3}$

7 0

2 years ago

Knock his dreads off

skad [1K]

Answer:

oof

Step-by-step explanation:

4 0

2 years ago

Read 2 more answers

Which of the following shows the correct evaluation for the exponential expression 6 over 7 to the power of 2?

yaroslaw [1]

For this case we have the following expression:
6 over 7 to the power of 2
(6/7) ^ 2
By power properties we can rewrite the expression as:
(6/7) * (6/7)
Calculating we have:
(6/7) * (6/7) = 36/49
Answer:
6 over 7 times 6 over 7 equals 36 over 49

5 0

3 years ago

Please Help!

AURORKA [14]

Obtuse, it does not fit Pythagoreans for a right triangle, two sides are not equal to be isosceles

6 0

3 years ago

The house was bought for $125,000 in 1990, the overage rate is 7.85%, what year will the purchase of the house be worth 3 times

olga55 [171]

Answer: 2005

Step-by-step explanation:

Exponential function to determine the value of item after t years,