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Lorico [155]
3 years ago
8

If you take a number multiply by 7 then takeaway 1,You get the same as if you took the number multiply by 5 then takeaway 8. Wha

t is the number?
Mathematics
1 answer:
shusha [124]3 years ago
5 0

Answer:

x = -3.5

Step-by-step explanation:

First we create the equation.

Let x = the unknown number

7x-1 = 5x - 8

Add 8 to both sides

7x + 7 = 5x

Subtract 7x

7 = -2x

Divide by 2

-7/2 = x

-3.5 = x

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The results of a linear regression are shown below.
IgorLugansk [536]

Hello!

As we can see, our a value, which would be the coefficient of x, which determines our slope, is negative, meaning that this whole line is negative.

Furthermore, the correlation can be determined using the r value of the linear regression, which is around -0.9.

If the r value of the linear regression is close to 1 or -1, let's say around |r| > 0.8, then we can consider the regression a strong correlation, meaning that this is a strong negative correlation, which is answer choice A.

3 0
3 years ago
HELPP <br> -1-3(5m+8) ≥-85<br> i need help :D
forsale [732]

Answer:

- 1 - 3(5m + 8) ≥ -85

-1 - 15m - 24 ≥ -85

-15m ≥ -85 + 1 + 24

-15m ≥ 25 - 85

-15m ≥ -60

(-1)(-15)m ≤ -60(-1)

15m ≤ 60

m ≤ 4

6 0
3 years ago
The weather report stated there was a 2/3 chance of rain on Friday, but it was more likely to rain on Saturday than Friday. What
Juliette [100K]
You don't have any choices here, so we can just find the range of the answer. Then, you can select the correct answer.

The probability must be greater than 66.67%:  P > 66.67% (or 2/3).

The chance of rain on Friday is 2/3. If it is more likely on Saturday, then it must be more than 2/3. 2/3 is about 66.67% percent.
6 0
3 years ago
The curved surface area of cylinder is 108πcentimeter square and radius 3cm. find the height of cylinder.
bazaltina [42]

Answer:

Height= 18cm

Step-by-step explanation:

Curved surface area = 2πrh

108π = 2 * π * 3 * h

108π = 6πh

h= 108π ÷ 6π

h= 18cm

4 0
3 years ago
Please answer the question bellow
Westkost [7]
I think the answer is D
5 0
2 years ago
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