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VARVARA [1.3K]
2 years ago
10

What is the value of x to the nearest degree?

Mathematics
1 answer:
astraxan [27]2 years ago
5 0
Using tan ( opp / adj )

2nd tan = 13 / 6
x = 65.22

to the nearest degree, it would be 65°.
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9(m-3)+3m=7m+43 help me please
nikdorinn [45]

Answer:

multiply 9 from m and -3

9m - 27 + 3m = 7m + 43

12m - 27 = 7m + 43

12m - 7m = 43+ 27

5m = 70 cut 70 by 5 in 14 times [ 14 x 5= 70 ]

m = 14 answer ❤️❤️ it is 100% correct now!

6 0
3 years ago
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Which expression is equivalent to 15n – 20?
Semenov [28]

The only thing you can do with this expression is to factor a 5 out of the two terms: we have

15n-20 = 5(3n-4)

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3 years ago
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Twenty students in Class A and 20 students in Class B were asked how many hours they took to prepare for an exam. The data sets
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3 years ago
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Which equation is equivalent to StartRoot x squared + 81 EndRoot = x + 10?
marishachu [46]

The given equation is equivalent to Option D .

The mission option is

A. x+10= x+10

B. x+9 =x² + 20x + 100

C. x² +81 = x² + 100

D. x² + 81 = x² +20x + 100

<h3>What is an Equation ?</h3>

An equation is a mathematical statement formed when two algebraic expression is equated by an equal sign .

An equation is given in the question

\rm \sqrt{x^2 + 81} = x +10

\rm {x^2 + 9^2} = (x +10)^2

\rm {x^2 + 81} = x^2 +20x + 100

Therefore the given equation is equivalent to Option D .

To know more about Equation

brainly.com/question/10413253

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5 0
2 years ago
Helena lost her marbles. But then she found them and put them in 4 bags with mm marbles in each bag. She had 3 marbles left over
77julia77 [94]

Answer:

4m +3 marbles does Helena have in all.

Step-by-step explanation:

Here, m represents the marble in each bag.

She put them in 4 bags with m marbles in each bag.

In each bag she have m marbles

then, in 4 bag she have 4m marbles

⇒total number of marbles= 4m

Since, she had 3 marbles left over.

⇒She have total number of marbles = 4m + 3

Therefore, 4m +3 marbles does Helena have in all.


8 0
3 years ago
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