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3 years ago

315 - 4/15 equals what

Mathematics

2 answers:

yarga [219]3 years ago

7 0

315 - 4/15 314 11/15

Dominik [7]3 years ago

5 0

315 - 4/15 = (314 + 1) - 4/15

= 314 + (15/15 - 4/15) . . . . . the process of taking 1 from the integer to make a fraction is sometimes called "borrowing"

= 314 + (15 -4)/15

= 314 11/15

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A girl and a puppy are 540 feet apart when they start running towards each other. The girl runs at a speed of 15 feet per second

Lerok [7]

Answer: 20 seconds

Step-by-step explanation:

The distance is 540 feet

speed of the girl = 15ft/s

speed of the puppy = 12 ft/s

If we stand in the frame of reference where the girl is still, in this frame the speed of the puppy will be equal to the speed of the puppy in our previus frame plus the speed of the girl in the previous frame (because they are running in opposite directions)

S = 15 ft/s + 12ft/s = 27ft/s

Now we can use the equation:

time = distance/speed

T = 540ft/27ft/s = 20s

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2 years ago

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The probability of a biased coin landing on heads is 0.35. if I flip the coin 200 times, how many times would the coin have land

Free_Kalibri [48]

You can expect the coin to land on heads $0.35\times200=70$ times on average.

3 0

3 years ago

The length of a Rectangle is 5/6 feet. The width is 3/8 feet.

kicyunya [14]

Answer:

C) 11/24

Step-by-step explanation:

rewrite each fraction as equivalent fraction with common denominator.

LCM(6,8) is 24

5/6 = 20/24

3/8 = 9/24

The difference between 20/24 and 9/24 is 11/24

3 0

2 years ago

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- 4y = - 40<br> please show work if you can

Valentin [98]

Y = 10
-4 * 10 = 40

Hope this helps!!!:):):)

4 0

2 years ago

Easy Cooking is a cooking supply company. Last year, the company sold 24,620 ovens. This year, they sold 20% more ovens than tha

kvv77 [185]

Answer:

The correct answer is D- 29,544 ovens

Step-by-step explanation:

To find the answer, we simply need to find 20% of 24,620 ovens and add it to that sum. To find 20% of 24,620, we can simply multiply 24,620 by .2.

24,620*.2=4924

Then, add the extra 4924 to 24,620

4924+24620=29544

The correct answer is 29,544 ovens

Hope this helps! :D

7 0

3 years ago