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fiasKO [112]
2 years ago
15

Which sets of ordered pairs show equivalent ratios? use the grid to help you. check all that apply

Mathematics
1 answer:
ss7ja [257]2 years ago
5 0
1 ,3,last one this is the answer for your Question that’s all
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Quick algebra 1 question for 25 points!<br><br> Only answer if you know the answer, Tysm!
zzz [600]

Using a quadratic regression equation, it is found that the prediction of volunteers in year 10 is of:

A. 47.

<h3>How to find the equation of quadratic regression using a calculator?</h3>

To find the equation, we need to insert the points (x,y) in the calculator.

In this problem, we have that the function initially increases, then it decreases, which means that it is a quadratic function. The points (x,y) to  be inserted into the calculator are given as follows:

(1, 20), (2,17), (3, 16), (4,16), (5,18), (6,21), (7,25), (8,31)

Inserting these points into the calculator, the prediction of y for a value of x is given as follows:

y = 0.702x^2 - 4.726x + 23.857

Hence, when x = 10, the prediction is:

y = 0.702 x 10² - 4.726 x 10 + 23.857

y = 47.

Hence option A is correct.

More can be learned about a quadratic regression equation at brainly.com/question/24028025

#SPJ1

4 0
1 year ago
What is 5.17490 rounded to the nearest thousandth
Annette [7]
<span>5.17490 rounded to the nearest thousandth is 5.175</span>
3 0
3 years ago
Read 2 more answers
Suppose that 21 out of 25 people who apply to a certain college are accepted. What percentage of people who apply are accepted t
IgorC [24]

Answer:

84%

Step-by-step explanation:

The first step is to write 21 as a fraction of 25, which is simply

21/25

Now we just need to convert this fraction to a percentage :

21/25 = 84

So, 21 is 84% of 25

8 0
2 years ago
The difference between three times a number and 15 is equal to 6. Find the number
andreyandreev [35.5K]
15+6=21
21÷3=7
answer
3×7-15=6
5 0
3 years ago
I will give Brainliest :)
lawyer [7]
1. k+5=11
2. 7n=42
3. l+13=17
4. 10- p²=9
5. x²+y²=4
6 0
3 years ago
Read 2 more answers
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