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Arada [10]
2 years ago
15

The following indicates the number of hours that Johnny spent playing video games the week before each exam in his classes along

with the corresponding exam scores: Hours Gaming: 3 7 8 12 14 17 Score on Exam: 92 77 66 60 46 32 Identify the explanatory and response variables for this situation.
Mathematics
1 answer:
dedylja [7]2 years ago
5 0

Answer: idk sorry :(

Step-by-step explanation:

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What is the multiplicative rate of change for the exponential function f(x) = f start bracket x end bracket equals two start bra
jeka94

Answer:

The multiplicative rate of change is \dfrac{2}{5}.

Step-by-step explanation:

You are given the function

f(x)=2\cdot \left(\dfrac{5}{2}\right)^{-x}

First, use the following property of exponents

\left(\dfrac{a}{b}\right)^{-x}=\left(\dfrac{b}{a}\right)^{x}

So, your function is

f(x)=2\cdot \left(\dfrac{2}{5}\right)^{x}

If the exponential function is written in the form

f(x)=a\cdot b^x,

then b is the multiplicative rate of change for this exponential function.

In your case, the multiplicative rate of change is \dfrac{2}{5}.

7 0
2 years ago
Read 2 more answers
The Patel family went apple picking. The number of red apples they picked was 2 __ 2 9 times the number of green apples they pic
miskamm [114]

Answer:

100

I first made 45 a fraction = 45/1

Then i made 2 2/9 into an improper fraction

then make my equation

45/1 ×20/9=100

answer is 100 red apples

Step-by-step explanation:

6 0
2 years ago
A bicyclist rides down a hill and her speed is increasing. Then she rides up a hill and her speed is decreasing. She stops to re
luda_lava [24]

Answer:

In order to find the answer you would need to explain the graphs.

Step-by-step explanation:

4 0
2 years ago
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Simplify the expression 3x(x – 12x) + 3x2 – 2(x – 2)2. Which statements are true about the process and simplified product? Check
olasank [31]
We have the expression:
3x(x-12x) + 3x^2 - 2(x-2)^2

First, we will expand the power 2 bracket as follows:
3x(x-12x) + 3x^2 - 2(x^2 - 4x +4)

Then, we will get rid of the brackets as follows:
3x^2 - 36x^2 + 3x^2 - 2x^2 + 8x - 8

Now, we will gather the like terms and add them as follows:
-32 x^2 + 8x - 8

We can take the 8 as a common factor:
8 ( -4x^2 + x -1)
3 0
2 years ago
How many more barrels of gasoline then diesel were produced last year gasoline 34% diesel 29% total crude oil -60 million barrel
MArishka [77]

Answer: 3 million barrels


Step-by-step explanation:

Given :- Total crude oil= 60 million barrels

Quantity of gasoline = 34% of total crude oil

=0.34\times60\text{ million barrels}\\=20.4\text{ million barrels}

Quantity of diesel = 29% of total crude oil

=0.29\times60\text{ million barrels}\\=17.4\text{ million barrels}

Clearly, Quantity of gasoline is more than Quantity of diesel

difference = Quantity of gasoline-Quantity of diesel

20.4\text{ million barrels}-17.4\text{ million barrels}\\=3\text{ million barrels}

Therefore, The production of gasoline is 3 million barrels more than diesel last year.



3 0
2 years ago
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