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erastova [34]
2 years ago
9

Solve the system of equations - 4x + 4y = -4 and - 4x + 2y = 16 by combining the equations.

Mathematics
1 answer:
EastWind [94]2 years ago
7 0
Esti handi rau de tot coardo
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Two decimals that are equivalent to 3.200
AleksAgata [21]

Answer:

Two or more decimal numbers are said to be equivalent decimals, when they name the same value (or same amount). For example, the decimals: 0.2 = 0.20 = 0.200 = 0.2000 etc. Thus by successive addition of zeros after the decimal part of the number after the decimal point means the same number and hence are equivalent. Therefore, the decimals: 5.3, 5.30, 5.300, 5.3000 etc are all equivalent.

Step-by-step explanation:

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5 0
2 years ago
4/3 x+12=-4 hell please right answer get brainliest points and show work please
IrinaVladis [17]

Answer:

x = -12

Step-by-step explanation:

4/3x + 12 = - 4   (multiply 3 both side)

4x + 36 = - 12 (minus 36 both side)

4x + 0 = -12

4x = -12 - 36

4x = - 48 (divide both side)

4x ÷ 4 = x

-48 ÷ 4 = -12

Answer: x = -12

8 0
3 years ago
Evaluate 7r- 15/8 when r=3 and s=5
HACTEHA [7]

Answer:

Which is equal to 18.

Step-by-step explanation:

7(3) - 15/(5). 7 x 3 is equal to 21, 15/5 is equal to 3. you are now left with 21-  3,

6 0
3 years ago
How to find the constant of variation for the quadratic variation?
xeze [42]
Put the values you know in the formula and solve for the constant of variation.
.. y = kx^2
.. k = y/x^2 . . . . . fill in values for y and x and compute.
7 0
3 years ago
Jakes phone will play music for 12 hours on a full charge . He has been using it for 3 hours . What percent of a full charge is
iogann1982 [59]

Answer:

75%

Step-by-step explanation:

3/12 =1/4

so 1/4 of 100% = 75%

3 0
3 years ago
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