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klasskru [66]
3 years ago
10

I need help doing this idk how to do it, can you please explain it to? Instead of just giving me the answer

Mathematics
2 answers:
Komok [63]3 years ago
7 0
45° would be the correct answer
Misha Larkins [42]3 years ago
4 0

Answer:

A=55

B=80

C= x

So always the sum of the angles of a triangle should be 180 so

55+80+x=180

135+x=180

X= 180-135=45

Therefore, angle C = 45

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Find the circumference given the area = 113.1 ft². Use 3.14 for π as necessary.
olga_2 [115]

The circumference of the circle is 37.68 ft

Step-by-step explanation:

Given,

The area of the circle is 113.1 sq ft

To find the circumference of the circle we need to find the radius of the circle first

Formula

The area of circle with radius r is = πr^{2} sq unit

The circumference of circle with radius r is = 2πr unit

Let us take the radius of the circle is r ft

According to the problem,

πr^{2} =113.1

or, r^{2} = \frac{113.1}{3.14}

or, r^{2} = 36.01 = 36 (approx)

or, r = \sqrt{36}

or, r = 6

Now,

The circumference of the circle is 2×3.14×6 ft = 37.68 ft

5 0
2 years ago
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What is 3/8x + 15/2=18
mart [117]


Let's solve for x --

Isn't it always a little easier to solve a math problem with starting by rewriting the equation?

3/8x + 15/2 = 8

Step 1) Subtract 15/2 from both sides

3/8x + 15/2 - 15/2 = 8 - 15/2

3/8x = 1/2

Step 2) Multiply both sides by 8/3

(8/3) × (3/8x) = (8/3) × (1/2)

x = 4/3

FINAL ANSWER -

x = 4/3

↑   ↑   ↑  Hope this helps! :D

3 0
3 years ago
How do u graph this polymonial
Fed [463]
Hey there! Instead of trying to explain, I’ll give you a visual of the way I calculated it.
I attached a photo.

I hope this helps and if you have questions about it, post them in chat! Happy to help.
~Brooke❤️

6 0
2 years ago
What is 2 x 10 to the -6th power?
White raven [17]

Answer:

2 x 10 to the -6th power is .000002.

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3 years ago
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Factorize y2-5y+6 by factor theorem
fgiga [73]

Answer: (y - 2) (y -3)

Step-by-step explanation:

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2 years ago
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