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Leokris [45]
2 years ago
3

A data set is shown in the table. The line of best fit modeling the data is y = 2.69x – 7.95.

Mathematics
2 answers:
nikklg [1K]2 years ago
8 0

Answer:

0.12

Step-by-step explanation:

Just plug 3 into where x is in the equation y=2.69x-7.95

stich3 [128]2 years ago
7 0

Answer:

B) on ed!!!

Step-by-step explanation:

G O O D L U C K ! ! !

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One number is 5 more than another. the difference between their squares is 155. what are the numbers
kirza4 [7]

the smaller number is 13 and the larger one is 18.

Let's say that the smaller number is x and the larger one is y.

Giving the equation x + 5 = y

This would also make the equation y^2-x^2= 155

to solve let's simplify to find what y^2 is in x terms.

y^2 = (x+5) (x+5) = x^2 +10x + 25.

therefore x^2 + 10x + 25 -x^2= 155

10x + 25 = 155

10x = 130

x = 13

y = 18

5 0
2 years ago
What is the simplified form of the following expression? 2 StartRoot 18 EndRoot + 3 StartRoot 2 EndRoot + StartRoot 162 EndRoot
ExtremeBDS [4]

Answer:

18\sqrt2

Step-by-step explanation:

To simplify:

2 \sqrt{18}+ 3 \sqrt2+ \sqrt{162 }

First of all, let us write 18 and 162 as product of prime factors:

18 = 2 \times \underline{3 \times 3}\\162 = 2 \times \underline{3 \times 3} \times \underline{3 \times 3}

The pairs are underlined as above.

While taking roots, only one of the numbers from the pairs will be chosen.

Now, taking square roots.

\sqrt{18} =3 \sqrt2

162 = 3 \times 3 \times \sqrt 2  = 9 \sqrt2

So, the given expression becomes:

2 \sqrt{18}+ 3 \sqrt2+ \sqrt{162 } = 2 \times 3\sqrt2 + 3\sqrt2 +9\sqrt2\\\Rightarrow 6\sqrt2 + 3\sqrt2 +9\sqrt2\\\Rightarrow \sqrt2(6+3+9)\\\Rightarrow \bold{18\sqrt2}

So, the answer is:

18\sqrt2 or 18 StartRoot 2 EndRoot

7 0
2 years ago
Compare your prediction with the total number of pennies on Row 1. How would you change your estimate? Is the result surprising?
juin [17]
<span>Sample Answer: My prediction was less than the actual count. Instead of multiplying the number squares by a guess for the average, estimate the pennies on the last square to help guide the estimate.</span>
6 0
2 years ago
Sonny Siebert earned $485,000 a year as a rookie pitcher for the Cleveland Indians. Assuming a tax rate of 6.2% for Social Secur
Norma-Jean [14]

Answer:

14379.50

Step-by-step explanation:

If I remember correctly, the Medicare tax is taken on Gross Income. The question has already limited the base amount for Social Security.

<em><u>Social Security:</u></em> 118,500 * 6.2/100 =   7347

Medicare Tax:    485,000*1.45/100 =  <u>7032.50</u>    Add

Add                                                       14379.50

Sonny paid 14370 in taxes for these 2 items.

6 0
2 years ago
Read 2 more answers
Mrs. Pender shows her students 2 sticks measuring 6 inches and 2 sticks measuring 8 inches. She asks the students to arrange the
Ksenya-84 [330]

Answer:

Im not sure looking for the answer 2 ik its not C

Step-by-step explanation:

8 0
2 years ago
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