2 years ago

Find X and explain how?????

Mathematics

1 answer:

Sergio039 [100]2 years ago

8 0

Alright before I start is this pythagorean theorem?

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Cole noticed that if he takes the opposite of his age and adds 40 he gets the number 28. how old is Cole?

AnnyKZ [126]

-x+40=28
-x=-12 (subtract 40 from both sides)

Divide by -1(in both sides)because you cant have a negative age.
COLE is 12

To check plug in the values.

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2 years ago

Find the 4th term in the sequence with the following definition:

Reptile [31]

Answer:

-42

Step-by-step explanation:

$a_{1} = 0\\a_{2} = 2(0-3) = -6\\a_{3} = 2(-6-3) = -18\\a_{4} = 2(-18-3) = -42$

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3 years ago

What is the measure of angle ACB?

S_A_V [24]

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2 years ago

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What is greater -5 1/2 or 6.5

Anton [14]

Answer:

6.5

Step-by-step explanation:

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2 years ago

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First, she needs to find her resting heart rate by counting her pulse for one minute immediately after she wakes up for 5 days i

andreyandreev [35.5K]

Answer:

Step-by-step explanation:

She finds her average resting heart rate to be 62 after 5 days.

That means, average of the 5 heart rate pulse=62

If the last day was 58 and all the other days were the same.

Let x be her pulse on the other days,

Then,

$Average, 62=\dfrac{58+4x}{5}\\\text{Cross Multiply}\\58+4x=62 X 5\\\text{Suntract 58 from both sides}\\4x=(62X5)-58\\4x=310-58\\4x=252\\\text{Divide both sides by 4}\\x=63$

Her pulse on all the other days is 63.

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3 years ago