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Hitman42 [59]
2 years ago
5

Identify the expression equivalent to 2x + 8 by substituting x = 7 and x = 5.

Mathematics
2 answers:
RUDIKE [14]2 years ago
6 0

Answer:

C is the answer because the expression pulled apart is just an addition problem between two parenthesis. I hope this helps!

Step-by-step explanation:

Nat2105 [25]2 years ago
4 0

Answer:

the answer is C ;P

Step-by-step explanation:

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The diameter of a circle is 19 7/8". What is the circumference (to 2 decimal places)?
Alekssandra [29.7K]

Answer:

62.41

Step-by-step explanation:

19 7/8= 19.875

C= pie x d

C= 3.14 x 19.875

C= 62.4075

C= 62.41 (if you want 2 decimal places)

3 0
3 years ago
50 points<br> Find the value of t ift-7= 12.
shutvik [7]

Answer

t=19

Step-by-step explanation:

12+7= 19

19 -7 =12

U 2 can help me by marking as brainliest........

8 0
2 years ago
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PLEASE HELP THIS IS VERY IMPORTANT I'LL GIVE YOU BRAIN THING IF ITS CORRECT!! &lt;3 NO LINKS PLEASEE.
scZoUnD [109]

Answer:

B and C

Step-by-step explanation:

8 0
2 years ago
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Ricardo uses 1-centimeter cubes to build a tower. Write an expression for the volume of the tower. What is the volume
snow_lady [41]
The answer to your question would be 20
7 0
2 years ago
Two systems of equations are shown below:
emmainna [20.7K]

Answer:

The two linear equations represented in system A as :

3 x + 2 y =3   -------(1)

- 2 x - 8 y = -1  ------(2)

(1) × 2 + (2) × 3 gives

⇒ 6 x + 4 y - 6 x - 24 y = 6 -3

⇒ - 20 y = 3

⇒ y =

Putting the value of y in equation (1), we get

Two linear equation represented in system B is:

3.   -x - 14 y =1

4.   - 2 x - 8 y = -1

-2 ×Equation (3) + Equation (4)=

2 x +28 y- 2 x - 8 y= -2 -1

⇒ 20 y = -3

⇒y =

Putting the value of y in equation (3),we get

As Two system , that is system (A) and System (B) has same solution.

By looking at all the options , i found that Option (D) is correct. The two system will have the same solution because the first equation of System B is obtained by adding the first equation of System A to 2 times the second equation of System A.

6 0
3 years ago
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