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uranmaximum [27]
4 years ago
15

Michelle walks at a speed of 320 feet per minute her friend Diana Liz 400 yards from the shelves house approximately how many mi

nutes will Michelle need to walk from her house to Diana's house and back
Mathematics
1 answer:
Yakvenalex [24]4 years ago
6 0

Answer:

3 mins 45 seconds

Step-by-step explanation:

According to the question, Michelle walks at a speed of 320 feet per minute her friend Diana Liz 400 yards from the shelves house approximately how many minutes will Michelle need to walk from her house to Diana's house and back

----First of all we have to work out in only a unit(since there are 2 units involved;feet and yards)

So,let's change the feet to yards

1 foot = 3 yards

X = 400 yards

X = 400 × 3

X = 1200 feet

Speed = distance/time

320 = 1200/x

X = 1200/320

X = 3.75 mins or 3 mins 45 secs

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Alina [70]

Answer:

12 x 10 = 120

120 divided by 2 = 60

Formula of a triangle:

B(base) x H(height) x 1/2(basically dividing by 2)

8 0
3 years ago
Shaq painted 600 portraits in 8 hours at that rate how many portraits would he paint in 4 minutes?
Deffense [45]

Answer: In 4 minutes he will make 5 portraits

Step-by-step explanation:

\large \boldsymbol{} 600p-8h=480 min  \\\\ x \ p-4  min   \\\\ x=\dfrac{600\cdot 4}{480} =\dfrac{2400}{480} =5  \ portraits \\\\ \rm Answer : 5

3 0
3 years ago
Which of these systems of equations would be best solved using the subtraction​ method?
Lynna [10]

Answer:

Step-by-step explanation:

1. x+2y=6 or x=6-2y

3x-2y=2

3(6-2y)-2y=2

18-6y-2y=2

18-8y=2

-8y=-18+2

-8y=-16

y=-16/-8

y=2 ans.

x+2*2=6

x+4=6

x=6-4=2 ans.

Proof:

3*2-2*2=2

6-4=2

2=2

I leave the rest for you to practice with.

3. 4x+y=7

2x+5y=-1

 

5. 3x+2y=-2

6x-y=6

Solve the system using the elimination method. Show all your steps.

7. -3x+3y=3

3x+y=9 add.

---------------------------------

4y=12

y=12/4

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3x+3=9

3x=9-3

3x=6

x=6/3

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Proof:

-3*2+3*3=3

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3=3

I'll leave the rest for practice.

9. -5x+12y=20

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2 years ago
(-3,4) m= -3 how would you solve this problem
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you would do PEMDAS

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5 0
3 years ago
How do you explain 15 video games to 18 video games in ratios and rates?
tiny-mole [99]

15 vg

18 vg

Just put a line in-between them to make a fraction.

3 0
3 years ago
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