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2 years ago

-t(-4t^3+8t^2)= PLZZ I NEED HELP ASAP ITS WORK FOR KHAN ACADEMY AND I HAVE 6 ASSIGNMENTS TO DO

Mathematics

1 answer:

madreJ [45]2 years ago

8 0

4t4-8t3 is the answer

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What is the value of x? A.39 B.41 C.26 D.17

mojhsa [17]

Answer:

The answer is B.

Step-by-step explanation:

You have to use Pythogorean Theorem, c² = a² + b² where c is the hypotenuse and a,b is the side lengths :

${c}^{2} = {a}^{2} + {b}^{2}$

Let a = 40,

Let b = 9,

${c}^{2} = {40}^{2} + {9}^{2}$

${c}^{2} = 1600 + 81$

${c}^{2} = 1681$

$c = \sqrt{1681}$

$c = 41 \: units$

*Take note, hypotenuse will always be the longest length among the 3 lengths.

*Pythogorean Theorem can only applied in a right-angle triangle.

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2 years ago

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kramer

Answer:

AAS

Step-by-step explanation:

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2 years ago

If a graph of a set has an open circle on 1/2 and an arrow pointing to the right, then which of the following numbers is in the

tester [92]

5/6 would be the best answer beside the other 2 choices that you have

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3 years ago

Read 2 more answers

You buy a house for $230,000. It appreciates at a rate

Xelga [282]

Answer:

1,232,142

Step-by-step explanation:

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2 years ago

I thought of a two-digit number. The unit digit of my number is a prime number, and the tens digit is four times as big as the u

sergiy2304 [10]

<h3>Answer: 82</h3>

====================================================

Explanation:

Let A be the tens digit and B be the units digit

We can write the number as AB. So if A = 9 and B = 2 for instance, then the number is AB = 92. Keep in mind I'm not multiplying A and B here.

"The unit digit is a prime" means B could be any of these values {2,3,5,7}. We only list the single digit primes. The value 1 is not prime.

Now multiply each of those items by 4

4*2 = 8

4*3 = 12

4*5 = 20

4*7 = 28

Of those results, only 4*2 = 8 leads to a single digit answer.

This must mean that A = 8 and B = 2

Therefore the number is AB = 82.

4 0

2 years ago