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Kryger [21]
4 years ago
15

What is the answer.... Because I don't get the answer for the one that pops up

Mathematics
2 answers:
Ahat [919]4 years ago
6 0
Yup it's 52.5
180/24=7.5
7.5x7=52.5
RUDIKE [14]4 years ago
4 0
24/7 = 180/x....24 ft to 7 seconds = 180 ft to x seconds
cross multiply
(24)(x) = (180)(7)
24x = 1260
x = 1260/24
x = 52.5....so it will take 52.5 seconds
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What is the difference ? X/x^2-2x-15-4/x^2+2x-35
lara31 [8.8K]

 x / x² - 2x - 15 - 4 / x² + 2x - 35


FIND THE FACTOR OF EACH DENOMINATOR


= x / (x-5)(x+3) 

-  4 / (x-5) (x+7)


FIND THE LCD AND MULTIPLY EACH TERM TO ARRIVE AT THE SAME DENOMINATOR.


= x / (x-5)(x+3)  *

(x+7) / (x+7)   -    4 / (x-5) (x+7)  * (x+3)/(x+3)


PERFORM SUBTRACTION


= x2 + 7x / (x-5) (x+3) (x+7)  - (4x + 12) / (x-5) (x+7) (x+3)


= x2 + 7x – 4x – 12 / (x-5) (x+3) (x+7)


this would be your answer = x² + 3x – 12 / (x-5) (x+3) (x+7)


7 0
4 years ago
Read 2 more answers
8. If Q is the midpoint of PR, find the value of x.<br> 7x - 16<br> 4x + 2
dlinn [17]

Answer:

The value of x is 6

Step-by-step explanation:

* Lets explain how to solve the problem

- Point Q is the mid-point of the segment PR

∵ Q is the mid-point of segment PR

∴ Q divided the segment PR into two equal parts

- When point Q divided the segment PR into two equal parts,

 then the two parts are PQ and QR

∴ PQ = QR

∵ PQ and QR are 7x - 16 and 4x + 2

∴ 7x - 16 = 4x + 2

- Subtract 4x from both sides

∴ 7x - 4x - 16 = 2

∴ 3x - 16 = 2

- Add 16 to both sides

∴ 3x = 2 + 16

∴ 3x = 18

- Divide both sides by 3

∴ x = 6

∴ The value of x is 6

3 0
4 years ago
Which has a value of (2/3)-4<br>16/81<br>-81/16<br>81/16<br>12/8​
PolarNik [594]

Answer:

81/16

Step-by-step explanation:

(2/3)-4 has a value 81/16

3 0
3 years ago
Read 2 more answers
Derek parks in Mr. Crunch's parking garage. It is very expensive. It is $25 to park plus $3.25 for each
Aleks [24]
3.25x10=32.5
32.5+25=57.5
5 0
3 years ago
Lola needs to sign 96 invitations. Using a stopwatch that measures time to tenths of a second, it takes Lola 5. 3 seconds to sig
lyudmila [28]

It will take 8.48 minutes by Lola to sign 96 invitations.

Total number of Invitations = 96,

stopwatch measures time to tenths of a second =  \frac{1}{10} second

Time taken by Lola to sign her name = 5.3 seconds

Now,

Time taken by Lola to sign 96 invitations

                                  = Time taken to sign 1 invitation x number of invitations

                                  = 5.3 second x 96 invitations

                                  = 508.8 seconds

Thus, it will take 508.8 seconds to sign 96 invitation.

Also, we know that 1 min has 60 seconds, So,

Time taken by Lola to sign 96 invitations in minutes

                                     \begin{aligned}&=\dfrac{Time\ taken\ by\ Lola\ to\ sign\ 96\ invitations}{60 seconds}\\&=\dfrac{508.8}{60}\\&= 8.48\ minutes \end{aligned}

Hence, It will take 8.48 minutes by Lola to sign 96 invitations.

To know more visit:

brainly.com/question/1157992

3 0
3 years ago
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