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3 years ago

suppose sin(A)=2/5. Use the trig identity sin^2(A)+cos^2(A)=1 to find cos(A) in quadrant 1. Round to ten-thousandth.

Mathematics

1 answer:

shutvik [7]3 years ago

3 0

Answer:

about0.9165

Step-by-step explanation:

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You have at most 30 games on your smartphone. Write an inequality that represents this situation.

serious [3.7K]

Answer:

30 ≥ x

Step-by-step explanation:

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3 years ago

Write the missing base.

belka [17]

The base would be 1/3
since 1/3 x 1/3 is 1/9

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3 years ago

Express the polynomial as a product of linear factors.

Bas_tet [7]

Answer:

D. 3(x - 1)(x+3)(x + 2).

Step-by-step explanation:

3(x - 1)(x + 3)(x + 2)

= 3(x - 1)(x^2 + 5x + 6)

= 3(x^3 + 5x^2 + 6x - x^2 - 5x - 6)

= 3(x^3 + 4x^2 + x - 6)

= 3x^3 + 12x^2 + 3x - 18.

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4 years ago

The square root of 45 lies between which two whole numbers

kkurt [141]

Answer:

6 and 7

Step-by-step explanation:

$\sqrt{45}$

is aprox

6.7082039324993690892275210061938287063218550788345771728126917362...

so it's between 6 and 7

6 0

4 years ago

Simplify the expression.

Damm [24]

Answer:

x^4

Step-by-step explanation:

(x^(2/5))^10

x^(2/5*10)

x^(20/5)

x^4

6 0

3 years ago