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Mademuasel [1]
3 years ago
6

Simplify the following expression: 6(3x) − 2y + 3z + 12(4x) − 9y

Mathematics
1 answer:
Slav-nsk [51]3 years ago
4 0

Answer:

9x+48x-2y-9y +3z

57x -11y +3z

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A countertop is 16 feet long and 3 feet wide. Tile costs $28 per square meter. How much will it cost to cover the countertop wit
Butoxors [25]
The area of the counter top is 16 ft by 3 ft so 16 x 3= 48. The area of the counter top is 48 ft squared.Then you have to convert it to meters squared, 48 x 0.092903 = 4.459244. Then multiply that by 28 to get your answer.4.459244 x 28 = 124.861632. The total cost is about $124.86
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4 years ago
What is the slope of the function, represented by the table of values below?
arlik [135]

A slope is also known as the gradient of a line. The slope of the function is -4, Thus, the correct option is D.

<h3>What is Slope?</h3>

A slope also known as the gradient of a line is a number that helps to know both the direction and the steepness of the line.

The slope of the function is,

m = (13-5)/(-2-0) = 8/-2 = -4

Hence, the slope of the function is -4, Thus, the correct option is D.

Learn more about Slope of Line:

brainly.com/question/14511992

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3 0
2 years ago
Calculate the volume of the following object:
frozen [14]

Answer:

262.44 cubic metres.

Step-by-step explanation:

First, we can calculate the volume of the cylinder by doing pi * r^2 * h. In this case, r is 5 / 2 and h is 7.

pi * (5/2)^2 * 7 = pi * 25/4 * 7 = pi * 6.25 * 7 = pi * 43.75 = 3.14159265 * 43.75 = 137.4446784 cubic m.

Seconds, we calculate the volume of the cube. It is 5^3 = 5 * 5 * 5 = 25 * 5 = 125 cubic m.

137.4446784 + 125 = 262.4446784, which is about 262.44 cubic metres.

Hope this helps!

3 0
3 years ago
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Answer:

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Step-by-step explanation:

Velocity=change is distance/change in time

change in distance=400m-0m=400m

change in time=56-0=56seconds

v=400m/56s

v=7.143m/s

7 0
4 years ago
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Jerry had $740 in the savings account at 5% interest the money is in the account for 1/4 year how much interest did he receive?s
Darya [45]
He will withdraw $856.64
8 0
4 years ago
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