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Lena [83]
3 years ago
5

Joshua currently does a total of 8 pushups each day. He plans to increase the number of pushups he does each day by 2 pushups un

til he is doing a total of 30 pushups each day. How many days would this take? Use x to represent days.
Mathematics
1 answer:
Maslowich3 years ago
8 0

Answer:

x=12

Step-by-step explanation:

Let y equal number of pushups a day. When x = 1, y = 8. When x = 2, y = 10. 10 is a factor of 30. Multiply y by 3. However, since x increases by 1 when y increases by 2, multiply x by 6 (2*3). That equals 12. Therefore, when x = 12, y = 30.

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Which of the x-values are solutions to the following inequality? x<365
vladimir1956 [14]

Answer:

Choice A ; Choice B

Step-by-step explanation:

x < 365

x ∈ ( -oo ; 365 )

Solutions :

  • Choice A

x = 99

  • Choice B

x = 361

7 0
3 years ago
Emily runs a hotel. She wants to hold a party in the banquet hall of her hotel. The hall has a size of 120,000 square feet. By f
alexira [117]

Answer:

480 People.

Step-by-step explanation:

120,000(0.004) = 480

5 0
3 years ago
Ccalculate the value of f(4) for this function. f(x) = -(x-7)+3 i know the anwser is f(4)=6 but how?
Tasya [4]

Answer:

See below

Step-by-step explanation:

we have f(x) = -(x-7) + 3

and we want to find f(4)

essentially, f(4) means that the input is 4 and to find the output we plug in the value of the input where ever x is and evaluate.

So for f(x) = -(x-7) + 3

To find f(4) we replace all x's with 4

f(4) = -(4-7) + 3

we now evaluate

==> subtract 7 from 4

f(4) = -(-3) + 3

==> apply two negative rule ( basically if there are two negative signs they cancel out and the number turn positive )

f(4) = 3 + 3

==> add 3 and 3

f(4) = 6

5 0
2 years ago
Which shape has 5 faces, 8 edges and 5 vertices? A. triangular pyramid B. rectangular pyramid C. rectangular prism D. triangular
Wittaler [7]

Answer:

Rectangular Pyramid

Step-by-step explanation:

Rectangular Pyramid-It has 5 faces, 8 edges and 5 vertices.

8 0
3 years ago
Read 2 more answers
Drag each equation to show if it could be a correct first step to solving the equation 2(x + 7) = 36.
Brut [27]

Answer:

11=x

Step-by-step explanation:

1) distribute the "2"

2x+14=36

2) subtract 14 on both sides

2x+14=36-14

2x=22

3) divide by 2 on both sides

2x/2=22/2

x=11

hope this helps

8 0
3 years ago
Read 2 more answers
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