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BARSIC [14]
3 years ago
8

X - 12 = -4 A. x= -8 B. X = 8 C. x = -16 D. x = 16

Mathematics
1 answer:
DerKrebs [107]3 years ago
4 0

B

Step-by-step explanation:

x - 12 =  - 4

put \: like \: terms \: together\\ x =  - 4  + 12 \\  solve\\ x = 8

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Fill in the table of values so that this is a proportional relationship with k=3/2 X. Y. *blank*. 0 2. *blank*. *blank*. 6. -2.
xxTIMURxx [149]

Answer:

x => y

0 => 0

2 => 3

4 => 6

-2 => -3

Step-by-step explanation:

The equation of a proportional relationship is represented as y = kx,

where, k = y/x

We are given that k = ³/2

This means that, equation of the relationship therefore would be:

y = ³/2x

Use this equation to solve for each missing value on the table given:

✔️Where, y = 0, substitute y = 0 into y = ³/2x to find x:

0 = ³/2x

0 * 2 = 3x

0 = 3x

0/3 = x

x = 0

✔️Where, x = 2, substitute x = 2 into y = ³/2x to find y:

y = ³/2(2)

y = 3

✔️Where, y = 6, substitute y = 6 into y = ³/2x to find x:

6 = ³/2x

6 * 2 = 3x

12 = 3x

12/3 = x

x = 4

✔️Where, x = -2, substitute x = -2 into y = ³/2x to find y:

y = ³/2(-2)

y = -3

5 0
3 years ago
Slove 44% of 82 finding a percentage of a number
Lelu [443]
36.08 in your calculator type in .44 multiplied by 82. Move the decimal point over two spots for your percent number. Example: 36% of 98 it would be .36 multiplied by 98. Hope this helps!
3 0
3 years ago
Read 2 more answers
What ia the value of cosθ given that (-2,9) is a point on the terminal side of θ ?
pentagon [3]

Hello from MrBillDoesMath!



Answer:

Choice B,    -2  sqrt(85) / 85



Discussion:

By definition,

cos(@) =  length of side adjacent to angle / hypotenuse

            =  -2/ ( sqrt (    (-2)^2 + (9^2)   )              (usin Pythag. theorem)

            = -2/ sqty (4 + 81)

            = -2 / (sqrt(85)

Multiply numerator and denominator by sqrt(85):

           =  (-2 / ( sqrt(85) ) * (sqrt(85)/sqrt(85) )

           = -2  sqrt(85) / 85


which is choice B


Thank you,

MrB



4 0
3 years ago
AY
Amanda [17]

Answer: The answer is A. linear, weak

Step-by-step explanation: This is the correct answer on Edge

4 0
4 years ago
Using Pythagorean inequalities, determine which of the following sets of values can represent the lengths of the sides of a righ
Cerrena [4.2K]
Use Pythagorean theorem.
a^2 + b^2 = c^2
D.
21^2 + 72^2 = 75^2
441 + 5184 = 5625
7 0
4 years ago
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