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earnstyle [38]
4 years ago
15

Help pleaseeee. This is 8th grade math and i need to find what x is

Mathematics
1 answer:
Degger [83]4 years ago
4 0

\text{Hello there!}\\\\\text{We know the that the exterior angle (x) is the sum of the opposite interior}\\ \text{angles}\\\\\text{This means that you would add 72 and 37}\\\\72+37=109\\\\\text{Or, you can do this method:}\\\\\text{Find the missing interior angle by adding 72 and 37 and subtracting}\\\text{it by 180}\\\\180-72-37=71\\\\\text{Now, find the exterior angle by subtracting 180 by 71}\\\\180-71=109\\\\\boxed{x = 109\,\,\text{degrees}}

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If f(x)=8-5x, find each value<br> 1. f(4c)<br> 2. f(2-k)<br> 3. f(4p+3)<br> Please and thanks!
Studentka2010 [4]

Problem 1

We replace every copy of x with 4c and simplify like so:

f(x) = 8 - 5x

f(4c) = 8 - 5*4c

f(4c) = 8 - 20c is the answer

This is equivalent to -20c+8.

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

Problem 2

Same idea as before, but this time we'll plug in x = 2-k

Each x gets replaced with (2-k)

f(x) = 8 - 5x

f(2-k) = 8 - 5(2-k)

f(2-k) = 8 - 10 + 5k

f(2-k) = -2 + 5k

This is the same as saying 5k - 2.

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

Problem 3

The steps are similar to earlier.

f(x) = 8 - 5x

f(4p+3) = 8 - 5(4p+3)

f(4p+3) = 8 - 20p - 15

f(4p+3) = -7-20p

This is the same as writing -20p - 7.

7 0
2 years ago
X increased by 61% i really need hep and show me how you got it :))))
Harrizon [31]
The answer would me x + 6.01
And increase means to add so x + 61% = x + 6.01

Hope this helps

Have a great day/night
7 0
3 years ago
15 POINTS Help me out ASAP
laila [671]
It’s 1,195,742,250,000,000/5,832
5 0
3 years ago
Johnny just got out of high school he has $90 then he gets a job, his job pays him 20 dollars a month, how much money does he ha
kondaur [170]

Answer:

$130

Step-by-step explanation:

90 + (20 * 2) = 130

5 0
2 years ago
Read 2 more answers
Help me please please
Elina [12.6K]

Answer:   7

<u>Step-by-step explanation:</u>

m∠ABC = 40°.  Since BD is an angle bisector <em>(divides the angle into two congruent angles)</em>, then m∠ABD = 20° and m∠CBD = 20°

ABD = 20   and    ABD = 3x - 1

⇒ 20 = 3x - 1

⇒ 21 = 3x

⇒  7 = x

<u>Check: </u>

CBD = 20   and    CBD = 34 - 2x

⇒ 20 = 34 - 2x

⇒ -14 = -2x

⇒  7 = x    \checkmark  

8 0
3 years ago
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