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s2008m [1.1K]
3 years ago
8

Which functions are decreasing? Select all answers that are correct.

Mathematics
1 answer:
Softa [21]3 years ago
5 0

Answer: 2 and 4

Step-by-step explanation:

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Geometry help needed! Jennifer decided to replace the rectangular rug in her living room. The dimensions of the old rug are 8 fe
aliina [53]

The area of the old rug, we know, is 8 * 4 = 32 feet squared.

If we double the dimensions, we get that 8 becomes 8 * 2 = 16 and 4 becomes 4 * 2 = 8.

Then, the new area is 16 * 8 = 128 feet squared.

128/32 = 4, or choice (J).

4 0
3 years ago
14. Team 8A is selling snacks at the football game to raise money for a field trip. They are selling popcorn for $2.50 and pretz
Mamont248 [21]

Answer:

  • 40 popcorns and 90 pretzels sold.

============

Let the number of popcorns is x and pretzels is y.

Set up equations:

  • x + y = 130
  • 2.5x + 2y = 280

Solve by elimination, multiply the first equation by 2 and subtract from the second equation:

  • 2.5x + 2y - 2x - 2y = 280 - 2*130
  • 0.5x = 280 - 260
  • 0.5x = 20
  • x = 20/0.5
  • x = 40

Find y:

  • 40 + y = 130
  • y = 130 - 40
  • y = 90

5 0
2 years ago
Read 2 more answers
Maggie just worked a week for Jan's Jewels. Her pay before deductions was $98.28 and she worked 18 hours.
solniwko [45]

Answer:

$5.46

Step-by-step explanation:

You would take $98.28 and divide it by 18 and the answer would be $5.46

Please give me brainliest :)

7 0
3 years ago
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Solve the following proportion for x. 3/13 = x/5 Round your answer to the nearest tenth.
anastassius [24]

To solve, isolate the x. Cross multiply

3/13(13)(5) = x/5(5)(13)

3(5) = (13)x

Simplify

13x = 15

Isolate the x. Divide by 13.

13x/13 = 15/13

x = 15/13

x = 1.2

1.2 is your answer

hope this helps

8 0
3 years ago
What is the value of |−32|?<br><br> Numerical answer expected
Sever21 [200]

32

The absolute value takes the distance from zero, it doesn’t matter weather it is positive or negatively

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3 years ago
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