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castortr0y [4]
3 years ago
9

Simplify 13 2 the 2 is tiny so I think it's 13 to the power of 2

Mathematics
1 answer:
Simora [160]3 years ago
8 0

Answer: 169

Step-by-step explanation:

You just multiply 13 by 13

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some engines require oil to be mixed with gasoline. For every gallon used 4 ounces of oil should be added. How much gas is neede
worty [1.4K]

You would need 3 gallons of gas.

4 0
3 years ago
Choose the equation and the slope of the line that passes through (4, –2) and is parallel to the x-axis.
stiks02 [169]
If a line is parallel to the x -axis, that means the formula is going to be y=a, y is going to be the same for all points. 
We have the point where y coordinates = -2,
so the formula of the line  y = -2.

6 0
3 years ago
Use a geometric formula to solve the problem. a square has an area of 81 square meters. find the side length.
Yanka [14]
Answer: 9 meters

To answer this question you need to know the formula to calculate the area of a square. Square has same side length so the area is: length x length.
Then the calculation would be:

Area= length x length
81m2= length x length
Length ^2= 81 m2
Lengtj= <span>√81 m2</span> 
Length= 9 meters
4 0
3 years ago
The data show the number of viewers for television stars with certain salaries. Find the regression​ equation, letting salary be
larisa86 [58]

Answer:

y = 5.064 - 0.010x

Here, in this question x = 33

y = 4.734 million views

In this question data is missing and I filled it out and calculated the questions accordingly. Please refer to the attachment for the data calculated.

Step-by-step explanation:

First of all, this question is incomplete. It lacks the data needed to calculate the required things.

So, I  figured out the question and I will try my best to solve the question at hand.

I have calculated the some data sheet in excel. Please refer to the attachment for that data.

let a be the salaries

b be the viewers

S_{aa} = ∑a^{2}  - \frac{ Summtion  a^{2} }{n}

S_{aa} = 7522.8571

S_{bb} = ∑b^{2}  - \frac{ Summtion  b^{2} }{n}

S_{bb} = 47.1943

S_{ab} = ∑ab^{}  - \frac{ Summtion  a x Summation b^{} }{n}

S_{ab} = -76.8286

Now the slope of the required regression equation is:

Slope =  S_{ab}/S_{aa} = -76.8286/7522.8571 = -0.010

And the intercept of the required regression equation:

intercept = \frac{1}{n} x (∑b - slope x ∑a) = 5.064

So, the regression equation will be:

y = intercept + slope x

y = 5.064 - 0.010x

Here, in this question x = 33

y = 5.064 - 0.010 (33)

y = 4.734 million views

7 0
2 years ago
(4.8). (-8.16)<br> find the slope of the line through each pair of points.
slamgirl [31]

Answer:

16-8/-8-4 = 8/-16 = 1/-2

5 0
3 years ago
Read 2 more answers
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