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Bumek [7]
3 years ago
5

(5X-4)(-4X-3). How to do it in box method and simplify

Mathematics
1 answer:
Leviafan [203]3 years ago
4 0

Answer:

-19x + 12

Step-by-step explanation:

         5x   - 4

-4x  -20x  16x

-3    -15x    12

_____________

-20x + 16x + (-15x) + 12

= -19x + 12

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A doctor has 12 000 patients. 4560 are male. what percentage is female ?
Pachacha [2.7K]
4560 divided by 12000 multiply by 100=38%
This is the percentage pf male.To find the percentage of female
100-38=62%
3 0
3 years ago
Solve for x: 2x+1= -3x+36
SSSSS [86.1K]

Answer:

x = 7

Step-by-step explanation:

2x + 1 = -3x + 36

2x + 3x + 1 = -3x + 3x +36

5x + 1 = 36

5x + 1 - 1 = 36 - 1

5x = 35

5x/5 = 35/5

x = 7

7 0
3 years ago
Read 2 more answers
write an equation that would allow you to solve the following problem. mart'a jump rope is 10 inches shorter than 3 times the le
mars1129 [50]

Answer:

Step-by-step explanation:

m=marta's rope

d=dilbert's rope

3d-10=m

m+d=120

Then you can substitute equation 1 into the second one

(3d-10)+d=120

3d-10+d=120

4d-10=120

4d=130

d=32.5

m+d=120

m+32.5=120

m=120-32.5

8 0
3 years ago
Sara can finish 5 laps around the track in 6 minutes. What is her average speed in miles per hour, if it takes 12 laps around th
sveticcg [70]

9514 1404 393

Answer:

  4 1/6 miles per hour

Step-by-step explanation:

6 minutes is 1/10 hour, so Sara's speed is ...

  speed = distance/time

  speed = (5/12 mi)/(1/10 h) = 50/12 mi/h

  speed = 4 1/6 mi/h

Sara's speed is 4 1/6 miles per hour.

4 0
3 years ago
100 PTS/// If you have a 2.5% chance of getting something every 3 minutes how long will it take until that's guaranteed?
Mashcka [7]

Answer:

120 min

Step-by-step explanation:

step 1. divide 100% by 2.5 (=40)

step 2. 40 time 3 minutes = 120!

so by the time it gets to 120 minutes it 100% and guaranteed

3 0
2 years ago
Read 2 more answers
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