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3 years ago

6

Factor the expression 20k+50 I have no clue how to do this

1 answer:

svetoff [14.1K]3 years ago

6 0

<u><em>10(2k+5) is the correct answer.</em></u> First you had to rewrite down the problem, and it gave us, $50=10*5$ , or $20=10*2$ , and $10*2k+10*5$ . Then you had to factor out by the common term of 10, and it gave us the answer is 10(2k+5) is the right answer. Hope this helps! And thank you for posting your question at here on brainly, and have a great day. -Charlie

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Dmitry_Shevchenko [17]

13 cm+ 13 cm= 26 cm, 26 cm is the answer to Part B.

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3 years ago

What is the radian measure for an angle that measures 720 degrees?

Scrat [10]

Answer:

720 degrees = $\frac{\pi}{4}\ radians$ or 0.785 radians.

Step-by-step explanation:

Given:

The angle in degrees in given as 720°

We need to convert this to radians.

Now, we know that, the relation between degrees and radians is given as:

180 degree = π radians

Therefore, using unitary method, the value of 1 degree can be calculated.

∴ 1 degree = $\frac{\pi}{180}\ radians$

Now, the value of 720 degrees can be calculated by multiplying the unit value and 720. So,

$720\ degrees=\frac{\pi}{180}\times 720\ radians\\\\ 720\ degrees =\frac{720\pi}{180}\\\\720\ degrees =\frac{\pi}{4}\ radians=0.785\ radians$

Hence, the measure of 720 degrees in radians is $\frac{\pi}{4}\ radians$ or 0.25π radians or 0.785 radians.

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3 years ago

Read 2 more answers

Please simplify with a explanation!~

PilotLPTM [1.2K]

Answer:

-4y + 20

Step-by-step explanation:

4(-y+5)

What we need to do here is get rid of the parentheses, which can be achieved through multiplication.

This is another way of saying 4 times -y plus 4 times 5.

Let's break the the parentheses down into 2 separate formulas.

4(-y) and 4(5)

Now we can multiply these two together to get -4y and +20. When combined, we get -4y +20.

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3 years ago

Find the sum of nth term of the series 1+3/2+5/2^2+7/2^3+.......

ioda

Answer:

an = (1 + 2·(n - 1))/2^(n - 1) = 2^(1 - n)·(2·n - 1)

sn = 6 - 2·0.5^n·(2·n + 3)

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3 years ago

Question 2 The average salary for a house painter is $35,190 per year. An engineer makes on average $80,000. If you consider the

Ainat [17]

Answer:

$1,344,300

Step-by-step explanation:

The difference on a yearly basis is ...

$80,000 -35,190 = $44,810

Over 30 years, that difference adds up to ...

$44,810 × 30 = $1,344,300

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3 years ago