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3 years ago

According to the graph, what is the value of the constant in the equation below?

Mathematics

2 answers:

olga55 [171]3 years ago

8 0

Answer:

what that guy said ^

TEA [102]3 years ago

7 0

If the given pairs are supposed to represent points on the graph, you apparently have a graph in which y is inversely related to x. The constant of variation is the product of x and y values: 24. (matches selection B.)

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The paint can holds 2.5 litres and the length is 19cm what is the radius

Alekssandra [29.7K]

10.75 is the radius for cylinder

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3 years ago

If 120 L of an acid solution is 75% acid, how much pure acid is there in the mixture?

Sunny_sXe [5.5K]

Answer:

25% or 30L

Step-by-step explanation:

100% is 120L, we know 75% is acid, we need the other 25% to make the 100%. 25% of 120 is 30, so 30 liters is pure acid

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3 years ago

Find the rate of change between (-3,6) (0,-3)

marin [14]

<h3>The rate of change between (-3,6) (0,-3) is -3</h3>

Solution:

Given that,

We have to find the rate of change between (-3,6) (0,-3)

The rate of change is given as:

$Rate\ of\ change = \frac{y_2-y_1}{x_2-x_1}$

From given,

$(x_1, y_1) = (-3, 6)\\\\(x_2, y_2) = (0, -3)$

Substituting the values we get,

$Rate\ of\ change = \frac{-3-6}{0+3}\\\\Rate\ of\ change = \frac{-9}{3}\\\\Rate\ of\ change = -3$

Thus rate of change is -3

3 0

3 years ago

If f(x) = 7x2 - 4x, what is the value of f(2)? F -8 J 17 G 2 K 20 H 6

kow [346]

Answer:

K 20

Step-by-step explanation:

f(x) = 7x2 - 4x

f (2) = 7 (2)^2 - 4(2)

= 28 - 8

= 20

Since they replaced the x inside f(x) with 2, just do that the same to the right side, change all x into 2

4 0

3 years ago

Use the front end addition strategy to add

ruslelena [56]

I cant see anything there needs to be more to the question

4 0

3 years ago