3 years ago

What is the answer to this please??

1 answer:

8 0

The length of CA is opposite of angle B and since the hypotenuse is known, you can write an equation like this: sin 40 = x/7 which simplifies to sin40 * 7 = x. The answer is A

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coldgirl [10]

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2 years ago

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the sum of three numbers is 11. if you triple the second number and add the third number, the result will be equal to the first

leonid [27]

<span>1st number = 11, 2nd number = 5.5, 3rd number = -5.5</span>

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3 years ago

If the radius of a sphere is 9 cm. What is the height of the sphere?"

pantera1 [17]

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Step-by-step explanation:

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3 years ago

An element with mass 330 grams decays by 25. 5% per minute. How much of the element is remaining after 5 minutes, to the nearest

yaroslaw [1]

The amount of mass after 5 minutes is 75.74 grams.

It is given that

The amount initially = 330grams

After every minute mass decays by 25.5%

<h3>What is the percentage?</h3>

The percentage is the value per hundred.

Amount after 1 min = 330-330*25.5/100 = 245.85grams

Amount after 2 min = 245.85-245.85*25.5/100 = 183.16grams

Amount after 3min = 183.16-183.16*25.5/100 = 136.45grams

Amount after 4 min = 136.45-136.45*25.5/100= 101.66grams

Amount after 5 min =101.66-101.66*25.5/100 = 75.74grams

Therefore, the amount of mass after 5 minutes is 75.74 grams.

To get more about percentage visit:

brainly.com/question/24304697

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2 years ago

What is the common factors of 15,45 and 90

mina [271]

1,2,3,5,6,9,10,1518,30,45,90

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3 years ago