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DochEvi [55]
3 years ago
14

Which description is paired with its correct expression?

Mathematics
2 answers:
Rudiy273 years ago
8 0

Answer:

D-twice the difference of nine and a number squared; 2 (9 minus n squared)

Step-by-step explanation:

Got it right on test

Lunna [17]3 years ago
3 0

Answer:

four less than the quotient of a number cubed and seven, increased by three (\frac{n^3}{7} -4)+3

five times the difference of a number squared and six

5(n^2 -6)

nine more than the quotient of six and a number cubed, decreased by four

9+\frac{6}{n^3}-4

twice the difference of nine and a number squared

2(9-n^2)

Step-by-step explanation:

Let n the number of interest we have this:

four less than the quotient of a number cubed and seven, increased by three (\frac{n^3}{7} -4)+3

five times the difference of a number squared and six

5(n^2 -6)

nine more than the quotient of six and a number cubed, decreased by four

9+\frac{6}{n^3}-4

twice the difference of nine and a number squared:

2(9-n^2)

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Solve 10 X + 8 / 2 X + 7 is equal to 4 ​
ale4655 [162]

Answer:

x = 10

Step-by-step explanation:

\frac{10x + 8}{2x + 7}  = 4

or, 10x + 8 = 4(2x + 7)

or, 10x + 8 = 8x + 28

or, 10x - 8x = 28 -8

or, 2x = 20

or, x = 20/2

or, x = 10

x = 10

4 0
2 years ago
I would like to know the process for dis ive been struggling on them. i tried to ask the teacher but they made it more confusing
Dafna11 [192]

Answer:

31.177 m

Step-by-step explanation:

So the formula of a hexagon is  Area = (3√3 s^2)/ 2

s = side in this problem.  A hexagon is made up of 6 equilateral triangles, so the distance from the center is equal to each of the sides.

For this problem, plug and chug.  Plug your knowns into equation and you will find the answer.

s^2 = (2√3)^2 = 12

Area = (3√3 x 12)/2 = 31.1769 m

I am not sure how many decimals you are supposed to round, probably 3 so in that case 31.177 m

8 0
3 years ago
Of the students attending a rock concert, 80 of them were 8th graders. Of these 8th graders, 25% of them were wearing ear plugs.
zhuklara [117]

Answer:

15%

Step-by-step explanation:

If 10% of the 25% of 8th graders who were male, 15% would be females because 25-10= 15. So, 15% would be my answer.

6 0
2 years ago
Translation (x,y) (x-1, y-1) T (1,1) S (0,3) R(2,4) Q(5,2)
11111nata11111 [884]

The answer is B... T'(0,0), S'(-1,2), R'(1,3), Q'(4,1)

3 0
3 years ago
How many times does 6 go into 110
juin [17]
6 goes into 110 approximately 18 times.
7 0
3 years ago
Read 2 more answers
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