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SSSSS [86.1K]
3 years ago
5

THIS IS URGENT WILL MARK BRAINLEST PLS HELPP

Mathematics
1 answer:
devlian [24]3 years ago
6 0

Answer:

c, 33 degrees

Step-by-step explanation:

180-105=75

180-75-72=33

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Please find the surface area!​
Aleksandr-060686 [28]

Answer:

69544.75

Step-by-step explanation:

i got it right on k12 test plaese rate full star

6 0
3 years ago
Solve equation: <br> 8n-7=-12+3n
lutik1710 [3]

To solve this problem, the first thing we have to do is regroup the terms so that we can then subtract, simplify, subtract, and finally simplify again.

But first we must know.

<h3>¿What are the equations?</h3>

Equations are those mathematical equalities divided between two expressions which are called members and separated by their equal sign, in which known elements and unknown or unknown data appear, related by mathematical operations.

<h3>We solve the problem:</h3>
  • 8n - 7 = -12 + 3n
  • 8n - 7 = 3n - 12
  • 8n - 7 - 3n = -12
  • 5n - 7 = -12
  • 5n = -12 + 7
  • 5n = -5
  • N = -1

Now we must check our results.

8n -7 = -12 + 3n

8 × - 1 - 7 = -12 + 3 × - 1

- 8 - 7 = - 12 - 3

- 15 = - 12 - 3

- 15 = - 15

So, our results are correct, the answer is n = - 1

¡Hope this helped!

6 0
2 years ago
Read 2 more answers
Please help answer :)
Umnica [9.8K]

Answer:

Step-by-step explanation:

1. You just plot the points

2. To plot the line you have to find the slope and y-intercept

Slope = \frac{y_{2}-y_{1}  }{x_{2}-x_{1}  } = \frac{30-15}{4-2} = \frac{15}{2}

Slope = \frac{15}{2}

Y-intercept = y-y_{1}=m(x-x_{1} )

Y-intercept: y - 15 = \frac{-15}{2}(x - 2)

y - 15 = \frac{-15}{2}x + 15

Add 15 to both sides

y = \frac{-15}{2}x + 30 this is the equation of the line.

So you start with the starting point and then the slope!

5 0
4 years ago
0.0000000005 in scientific notation
Rus_ich [418]

Move the decimal so there is one non-zero digit to the left of the decimal point. The number of decimal places you move will be the exponent on the 10 . If the decimal is being moved to the right, the exponent will be negative. If the decimal is being moved to the left, the exponent will be positive.

6 0
3 years ago
How do you solve number five?
Ray Of Light [21]
Let's first convert Lancy's height into inches, since it includes feet.
There are 12 inches in a foot, so let's multiply 4 by 12.
4×12=48; Add 8 inches since she is 4 feet 8 inches.
48+8= 56
She is 56 inches tall. We need to find the amount of centimeters she is in height. We can do the same thing by multiplying 56 by 2.54.
56×2.54= 142.24
She is 142.24 centimeters tall.
7 0
4 years ago
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