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Rom4ik [11]
3 years ago
14

I will give your brainliest if you answer this

Mathematics
1 answer:
tester [92]3 years ago
3 0

Answer:

i think it could be c im not too sure

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URGET PLEASE HELP QUICKLY
alexdok [17]

Answer: -0.5.

Step-by-step explanation:

The constant of variation k for the direct variation is given by:-

k= \dfrac{f(x_2)}{x_2}=\dfrac{f(x_1)}{x_1}

The given table:

x  f( x )

0   0

2   -1

4    -2

7   -3.5

Then,

k=\dfrac{-1}{2}=\dfrac{-2}{4}=\dfrac{7}{-3.5}=-0.5

Hence, the constant of variation k for the direct variation is -0.5.

4 0
3 years ago
The value of a house has increased by $4,200 in the past year. By what percent has the value increased if the value last year wa
IgorC [24]

Answer:

The value has increased by <u>8 percent</u>.

Step-by-step explanation:

Given:

The value of a house has increased by $4,200 in the past year.

The value last year was $52,500.

Now, to find the percent increased.

<em>Value of house = $52,500.</em>

<em>Value of house last year increased by = $4200.</em>

So, to get the percent increased:

\frac{Value\ of\ house\ last\ year\ increased\ by} {Value\ of\ house}\times 100.

=\frac{4200}{52500} \times 100

=0.08\times 100

=8\ percent.

Therefore, the value has increased by 8 percent.

6 0
3 years ago
Solve the equation: 12x+5=3x+35
maksim [4K]

Answer:

x= 3 1/3

Step-by-step explanation:

4 0
2 years ago
Read 2 more answers
Which monomial is a perfect cube?<br><br> 16x6<br> 27x8<br> 32x12<br> 64x6
yKpoI14uk [10]
16x16 is the correct Answer
5 0
3 years ago
Help please I will give you the brainliest
stellarik [79]

Answer:

B and can I brainliest

Step-by-step explanation:

8 0
3 years ago
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