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loris [4]
2 years ago
5

Which ratios are equivalent to 2:5?

Mathematics
1 answer:
Dimas [21]2 years ago
7 0
Suppose the first number of the ratio is x and the second number is y. The current ratio is x:y. Now to solve the ratio, 5 divided by 2 equals 2.5 meaning the equation is 2.5x=y. Plug in any number to the x value and follow the equation and plug it into x:y to list all equivalent ratios.
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I am doing rate of change, question is down below.<br> I have two questions.Both down below.
guapka [62]

Answer:

For the first question, the answer is 4/3. For the second it is 16.

Step-by-step explanation:

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5 0
2 years ago
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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

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y = 0.702 x 10² - 4.726 x 10 + 23.857

y = 47.

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4 0
1 year ago
See Attached picture.
agasfer [191]
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5 0
3 years ago
54 thousands 6 hundreds 12 tens – 15 thousands 8 hundreds 26 tens = ________(1 Point)
Afina-wow [57]

Answer:

38,660

Step-by-step explanation:

54 thousands 6 hundreds 12 tens – 15 thousands 8 hundreds 26 tens

54 thousands = 54000

6 hundreds = 600

12 ten = 12*10 = 120

54 thousands 6 hundreds 12 tens = 54000+600+120 = 54720

15 thousands = 15000

8 hundreds = 800

26 tens = 26*10 = 260

15 thousands 8 hundreds 26 tens = 15000+800+260 = 16060

Thus,

54 thousands 6 hundreds 12 tens – 15 thousands 8 hundreds 26 tens

= 54720- 16060 = 38,660 (Answer)

3 0
3 years ago
Y /3 − –7 = 10 solve for y
NeX [460]

Answer:

9

Step-by-step explanation:

10+ -7

3

3 = 9/3

9

8 0
2 years ago
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