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inn [45]
3 years ago
8

Construct an equation that has y = 8 as its solution. Use y on both sides of the equation.

Mathematics
2 answers:
riadik2000 [5.3K]3 years ago
7 0

Answer:

8y + 24 = 11y

Step-by-step explanation:

8y + 24 = 11y

8(8) + 24 = 11(8)

64 + 24 = 88

88 = 88

pychu [463]3 years ago
6 0

Answer:

3y + 4 = 20 + y

Step-by-step explanation:

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Need help please I would really appreciate it
Nataly_w [17]

Answer:

The slope of line is 9

Step-by-step explanation:

We can use two pairs of input-output from the table to find the slope of the given line. Here x is input and y is output.

Slope is defined as the steepness of a line and is given by the formula:

m = \frac{y_2-y_1}{x_2-x_1}

Selected pairs from table are:

(-1,-18) and (0,-9)

Here

x_1 = -1\\x_2 = 0\\y_1 = -18\\y_2 = -9

Putting the values in the formula

m = \frac{-9-(-18)}{0-(-1)}\\=\frac{-9+18}{0+1}\\= 9

Hence,

The slope of line is 9

6 0
3 years ago
A bedroom is 15 ft long and 12 ft wide. How much will it cost to carpet the room if carpeting costs $22 per square yard?
Helga [31]

Answer:

$1,320

Step-by-step explanation:

To find the area of the bedroom, you must multiply the length and the width. 15 multiplied by 12 is 180, so the area of the bedroom is 180 square feet. There are three feet in a yard, so you must divide the area of the bedroom in feet by 3 in order to get the area of the bedroom in yards. 180 divided by 3 is 60, so the area of the bedroom is 60 square yards. In order to find how much it will cost to carpet the room, you must multiply the area of the bedroom in yards by how much carpeting costs per square yard. 60 multiplied by 22 is 1,320, so it will cost $1,320 in order to carpet the room.

4 0
2 years ago
Please help with the questions in the image
polet [3.4K]

Answer:

  • (a) C(d) = 270 + 0.20d
  • (b) C(1800) = 630
  • (c) see attached (lower right graph). The slope represents the cost (in dollars) per mile.
  • (d) It represents the fixed cost (amount she pays even if she does not drive)
  • (e) the cost increases as the number of miles driven increases

Step-by-step explanation:

(a) You are given two points, (d, C) = (360, 342) and (780, 426). The two-point form of the equation for a line can be helpful.

... y = (y2 -y1)/(x2 -x1)(x -x1) +y1

Using the given points and variables, ...

... C = (426 -342)/(780 -360)(d -360) +342

... C = (84/420)(d -360) +342

... C = 0.20d +270 . . . . the equation for cost as a function of miles driven

(b) Fill in the value for d and do the arithmetic.

... C = 0.20·1800 +270 = 360 +270 = 630

(c) The slope of the curve is (change in dollars)/(change in miles) = $/mile, the cost of each mile driven. (It is $0.20 per mile.)

(d) The C-intercept is C(0) = cost for 0 miles driven. (It is $270.)

(e) Both your own experience and the problem statement tell you that the cost of vehicle operation varies with miles driven. If nothing else, you need to pay more for gas the farther you drive.

(In real life, you don't expect the model to be exactly linear, becasue you get a large jump in cost when you reach certain maintenance interval miles: 15,000, 30,000, and so on.)

7 0
3 years ago
(-2)^-5 simplify can someone help me please thank you (:
Vikki [24]
-0.03125 this would be the answer to that problem

5 0
3 years ago
Read 2 more answers
Please help me with all these.
3241004551 [841]
In the first table, y = 4x. So y is proportional to x.

In the second table, y is not proportional to x.

In the third table, 2y = 3x. So, y is proportional to x.
7 0
3 years ago
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