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3 years ago

The circle's diameter is D=8

Mathematics

2 answers:

DerKrebs [107]3 years ago

8 0

The anwser is 4 because it just is I don’t feel like explaining

grigory [225]3 years ago

7 0

Answer:

EXPLANATION STEP BY STEP

the radius of 8 is 4 because 4 is half of 8 and when u uh divide 8 by 2 u get 4 so if 4 is the answer.

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(6x+y)(6x-7) What is the answer?

lys-0071 [83]

= 6x + 6x - 6x × 7 + 6xy - 7y

36x2 - 42x + 6xy - 7y

6 0

2 years ago

Solve this system of linear equations. Separate the x- and y-values with a comma.

vodomira [7]

Answer:

x = $\frac{5}{2}$ , y = $\frac{5}{4}$

Step-by-step explanation:

1. Isolate for x in one of the equations:

2x = 9x - 14y

2x-9x = 9x-9x -14y

-7x = -14y

-7x/-7 = -14y/-7

x = 2y

2. Substitute 2y in for x in the second equation:

9(2y) = 40 - 14y

3. Simplify:

18y = 40 - 14y

4. Isolate for y:

18y+14y = 40 -14y+14y

32y = 40

32y/32 = 40/32

y = $\frac{5}{4}$

5. Substitute the new y-value into the simplified expression x = 2y:

x = 2(5/4)

x = $\frac{5}{2}$

hope this helps!

7 0

2 years ago

Please help A. 13 B. 26 C. 40 D. 36 D. 41

Morgarella [4.7K]

The value of x is 26.

4 0

3 years ago

Read 2 more answers

What's the midpoint between (1,-7) and (-1,-23)

Alik [6]

Answer: (0,-15)

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Explanation:

Add up the x coordinates to get 1+(-1) = 0. Divide this sum in half to get 0/2 = 0. Therefore the x coordinate of the midpoint is 0.

Repeat for the y coordinates. First add the y coordinates to get -7+(-23) = -30. Then divide that result in half to get -30/2 = -15. So the y coordinate of the midpoint is -15.

Overall, the midpoint is (0,-15).

8 0

3 years ago

6y+11=3y+5y what does y=

Olenka [21]

Answer:

y=11/2

Step-by-step explanation:

6y+11=3y+5y

11=3y+5y-6y

11=2y

11/2=y

8 0

2 years ago