3 years ago

Help to be marked as BRAINLIEST!!!

Mathematics

2 answers:

VMariaS [17]3 years ago

8 0

The correct answer is C. All of those successfully intersect

son4ous [18]3 years ago

3 0

Answer:

the answer to ur question is C

Step-by-step explanation:

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21÷(4+3)-10 = <br><br> Please help me solve ^^

Dafna11 [192]

Answer:

-7

Step-by-step explanation:

21 ÷ (4+3) - 10

=> 21 ÷ (7) - 10

=> 3 - 10

=> -7

5 0

3 years ago

In 12 seconds, Valerie counts 6 vehicles passing by her house. At that rate, how many vehicles would pass by in 4 hours

mart [117]

60/12
30 * 4 = 110 cars

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3 years ago

If the perimeter of a square garden is 84 feet, what is the area of the garden?

EastWind [94]

441ft² (i believe this is the answer, idk though, i might be wrong sorry)

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3 years ago

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Verify the identity. cot x / 1 + csc x = csc x - 1 / cot x

svetlana [45]

Step-by-step explanation:

cot x / (1 + csc x)

Multiply by conjugate:

cot x / (1 + csc x) × (1 − csc x) / (1 − csc x)

Distribute the denominator:

cot x (1 − csc x) / (1 − csc²x)

Use Pythagorean identity:

cot x (1 − csc x) / (-cot²x)

Divide:

(csc x − 1) / cot x

5 0

3 years ago

Enter the answer to the nearest tenth. Another home business has an average income of $1.200.00 per month with a standard deviat

Nonamiya [84]

Answer: -1.7

Step-by-step explanation:

Given : Another home business has an average income of $1.200.00 per month with a standard deviation of $100.00.

i.e. $\mu=\$1200.0$

$\sigma=\$100.00$

Let x represents the monthly income.

Since . $z=\dfrac{x-\mu}{\sigma}$

For x= 1030 , we have

$z=\dfrac{1030-1200}{100}=-1.7$

Hence, the required z-score = -1.7

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3 years ago