2 years ago

Please help me!! I'm not very good with math.

Mathematics

1 answer:

svp [43]2 years ago

5 0

Answer:

SteEarth's surface covered by water is 352,000,000 + 9 x 10^6 = 352,000,000 + 9,000,000 = 361,000,000 = 3.61 x 10^8p-by-step explanation:

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Rewrite 2sin2x + 3 cos x − 3 in terms of cos x

Feliz [49]

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Answer:

-2cos²(x) +3cos(x) -1

Step-by-step explanation:

Use the "Pythagorean identity" to replace sin²(x).

sin²(x) +cos²(x) = 1

Then ...

2sin²(x) +3cos(x) -3 = 2(1 -cos²(x)) +3cos(x) -3

= -2cos²(x) +3cos(x) -1

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2 years ago

The perfect order is the sum of ______. A. the sum of the percentages of its individual dimensions B. the average of the percent

tino4ka555 [31]

Answer:

It's <u>option C. the product of the percentages of its individual dimensions</u>

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2 years ago

Billy’s mother had five children. The first was named Lala, the second was named Lele, the third was named Lili, the fourth was

pantera1 [17]

Answer:

Billy

Step-by-step explanation:

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3 years ago

Read 2 more answers

Find the value of <img src="https://tex.z-dn.net/?f=%5Cfrac%7B2%7D%7B3%7D%20%5E%7B3%7D" id="TexFormula1" title="\frac{2}{3} ^{3}

olga nikolaevna [1]

Answer:

Step-by-step explanation:

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2 years ago

Find the area of the triangle with the given measurements. A = 48°, b = 30 ft, c = 14 ft

Mariulka [41]

Answer:

156.06 ft²

Step-by-step explanation:

The applicable formula for the area of the triangle is ...

Area = (1/2)bc·sin(A)

Filling in the given numbers, you have ...

Area = (1/2)(30 ft)(14 ft)·sin(48°) ≈ 156.06041335 ft²

The area of the triangle is about 156.06 square feet.

_____

Sufficient digits are provided here so that you can round to the precision you (or your computer) may desire.

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2 years ago