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SCORPION-xisa [38]
3 years ago
6

At the start of the week, you could complete 12 push-ups. By the end of the week, you could complete 17 push-ups. Which proporti

on could you use to find the percent increase in the number of push-ups you can complete? ( please pick one of these answers) A) 5/17=n100 B) 12/5=n100 C) 12/17=n100 D) 5/12=n100
Mathematics
1 answer:
irinina [24]3 years ago
6 0
Increase = new-original/original * 100
17-12/12 = 5/12=n100
The Answer is D
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Keegan leans an 18-foot ladder against the top of a wall. The bottom of the ladder is 4.5 feet from the base of the wall. What i
zaharov [31]

Answer: C. 17.5 feet

Step-by-step explanation:

The attached photo shows the triangle ABC formed by the ladder and the wall. It is a right angle triangle because one of its angles is 90 degrees. The ladder is the hypotenuse of the triangle. To determine the height of the wall, we would find BC by applying Pythagoras theorem

Hypotenuse^2 = opposite ^2 + adjacent^2

18^2 + 4.5^2 + BC^2

BC^2 = 324 - 20.25 = 303.75

BC = √303.75 = 17.5 feet.

3 0
3 years ago
Find tan A for the triangle below.<br><br><br> a. 0.4167<br> b. 0.385<br> c. 2.4<br> d. 0.923
Sav [38]

Answer:

C "ccccccccccccccccccc

5 0
3 years ago
A piece of wood is 3 1/2 feet long how many total inches long is it?
Kamila [148]

Answer:

42 inches

Step-by-step explanation:

1 foot is 12 inches

12 times 3=36

12 divided by 2=6

36+6=42

8 0
3 years ago
Using completing the square to solve for x in the equation (x-12)(x+4)=9
Vladimir79 [104]
Hello!

You can multiply (x-12) and (x+4)

x * x = x^2
x * 4 = 4x
-12 * x = -12x
-12 * 4 = -48

Now we have

x^2 - 8x - 48 = 9

Subtract 9 from both sides

x^2 - 8x -57 = 0

Use the quadratic formula

This give use the answer of

x = 4 +\sqrt{72}

Hope this helps!
3 0
3 years ago
Read 2 more answers
2. Alicia is writing the program for a video game. For one part of the game she uses the rule (x,y) -&gt;(x-3,y+4) to move point
Taya2010 [7]

Given rule (x,y) ->(x-3,y+4) to move points on the screen.

a) We are given first input (-6,0).

(-6,0) represents x=-6 and y=0.

Plugging values of x and y in given rule (x,y) ->(x-3,y+4), we get

(-6,0) --> (-6-3, 0+4). It would give us (-9,4)

So, first output is (-9,4).

b) We are given second input (3,-4).

(-6,0) represents x=3 and y=-4.

Plugging values of x and y in given rule (x,y) ->(x-3,y+4), we get

(-6,0) --> (3-3, -4+4). It would give us (0,0).

So, second output is (0,0).



7 0
3 years ago
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