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3 years ago

HELPPPP MEEEE PLEASEEEEEEEE

Mathematics

1 answer:

Elden [556K]3 years ago

8 0

Answer:

your answer is gonna be D!

Step-by-step explanation:

+16x−7x−56

2 Collect like terms.

2{x}^{2}+(16x-7x)-56

+(16x−7x)−56

3 Simplify.

2{x}^{2}+9x-56

+9x−56

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-10 + 15xy = 20 Direct and inverse variation. constant of variation (k)

lozanna [386]

Answer:

This is an inverse variation, and the constant of variation is k = 2.

Step-by-step explanation:

Direct variation is something like:

y = k*x

Where k is the constant of variation.

So as x increases also increases y.

Inverse variation is something like:

y = k/x

k is the constant of variation.

In this case, if x increases, y decreases.

Now let's look at the equation:

-10 + 15*x*y = 20

Let's isolate y in one side of the equation:

15*x*y = 20 + 10 = 30

15*x*y = 30

y = 30/(15*x) = (30/15)/x = 2/x

y = 2/x

Then we can conclude that this is an inverse variation, with a constant of variation equal to 2.

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3 years ago

A shop has 400 bulbs<br>out of which 24 are defective What percent are good bulb?<br>

mamaluj [8]

Answer:

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3 years ago

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Lesechka [4]

81000 is your answer

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3 years ago

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Which scatterplot is labeled correctly if it is meant to show the relationship between the number of minutes that gym members sp

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Step-by-step explanation:

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3 years ago

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2. If the parent function is y= 4*, which is the function of the graph?

Salsk061 [2.6K]

A function assigns the values. The function of the given graph is y=3(4)ˣ, thus, the correct option is C.

<h3>What is a Function?</h3>

A function assigns the value of each element of one set to the other specific element of another set.

The complete question is:

If the parent function is y = 4ˣ, which is the function of the graph?

y = −2(4)ˣ

y = −3(4)ˣ

y = 3(4)ˣ

y = 2(4)ˣ

Since the graph intersect the y-axis at 3, and the parent function of the function is y=4ˣ, therefore, we can write,

y = A(4)ˣ

3 = A(4)⁰

3 = A × 1

A = 3

Hence, the function of the given graph is y=3(4)ˣ, thus, the correct option is C.

Learn more about Function:

brainly.com/question/5245372

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2 years ago