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Olin [163]
3 years ago
11

The table includes the size of roofs (x) and the cost to replace them (y). The summary points are (748, 7,048), (890, 8,385), an

d (1,001, 8,475).
Using approximate values for the slope and y-intercept, what is the linear model?
y =
A. 0.8
B. 5.6
C. 9.4

x +
A. -299.2
B. 3,043.2
C. 7,265.4

Mathematics
1 answer:
Alexus [3.1K]3 years ago
6 0

Answer:

5.6 and 3,043.2

Step-by-step explanation:

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Which of the following describes the correct process for solving the equation 3x + 6 = 21 and arrives at the correct solution?
yuradex [85]
It would be the last option. I just worked the problem out and figured it out. I hope this helped! (:

3 0
3 years ago
Help plz i dont know what to do
Firlakuza [10]

Answer:

<u><em>The area of the irregular figure is 140 sq. ft.</em></u>

Step-by-step explanation:

<em>Triangle: </em>

<em> </em>

<em>16-12=4 </em>

<em> </em>

<em>6 x 4 = 24 </em>

<em> </em>

<em>24 x 0.5 = 12 </em>

<em> </em>

<em>Triangle = 12 </em>

<em> </em>

<em>Rectangle: </em>

<em> </em>

<em>16 x 8 </em>

<em> </em>

<em>= 128 </em>

<em> </em>

<em>Rectangle = 128 </em>

<em> </em>

<em>Total figure: </em>

<em> </em>

<em>128+12 </em>

<em> </em>

<em>= 140 </em>

<u><em>Plzz give me brainlist!!!</em></u><u> </u>

8 0
3 years ago
What is the equation of the line through (5, 1) with a slope of -3?
Vlad1618 [11]

Answer:

B. y-1=3(x-5)

Step-by-step explanation:

y=_+_(x-_)

y=1+(-3)(x-5)

y-1=3(x-5)

6 0
3 years ago
Find the minimum value of
Lana71 [14]

Answer:

14

Step-by-step explanation:

2x + y = 20                                                                                     (1)

2x + 3y = 36                                                                                  (2)

(2) - (1) ⇔ (2x - 3y) - (2x + y) = 36 - 20

          ⇔ 2y = 16

          ⇔ y = 8                                                                               (3)

From (3) and (1), we have:

    2x + y = 2x + 8 = 20

⇔ 2x = 12

⇔ x = 6

So: C = x + y = 6 + 8 = 14

Conclusion : C = 14

Brainliest, please?

4 0
3 years ago
(2x + 7y = -24<br>18x+y=12 solve by substitution​
const2013 [10]

Answer:

x = .87, or when approximated to a fraction, 27/31

y = -3.67, or when approximated to a fraction, -1287/350

Step-by-step explanation:

Lets start by rewriting out our equations

2x + 7y = -24

18x + y = 12

Lets solve for a y value; the second equation is easiest, as the y value has no coefficient (the number that is multiplied times a variable). To do this, lets move the 18x to the other side. Now our two equations look like:

2x + 7y = -24

y = -18x + 12

Next, lets plus the second equation into the first equation in regards to y.

2x + 7(-18x + 12) = -24

Now, lets solve!

2x -126x + 84 = -24

Then, combine your terms!

-124x = -108

Divide by (-124)!

x = -108/-124

x = 27/31

Now that we know x, lets plug this back in to the first equation to find y!

2(27/31) + 7y = -24

1.74 + 7y = -24

7y = -25.74

y = -3.67, or when approximated to a fraction, -1287/350

4 0
3 years ago
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