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Stolb23 [73]
3 years ago
7

6th grade math , help me please :)

Mathematics
1 answer:
alukav5142 [94]3 years ago
3 0

Answer:

  1. 30%
  2. 30%

Step-by-step explanation:

7\:out\:of\:ten\\10-7 = 3\\3\:people\:don't\:brush\\\\\frac{3}{10} \times 100\\\\\frac{300}{10} \\\\=30\%

\frac{18}{60} \times 100\\ \\\frac{1800}{60} \\\\= 30\%

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Step-by-step explanation:

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3 years ago
How do you estimate 586-321
aniked [119]
I would estimate about 240
4 0
3 years ago
Read 2 more answers
I know the answer but I need to explain how to get the answer. Please help❤️
kondaur [170]

Answer:

730, 735, 740

Step-by-step explanation:

Let the three consecutive multiples of 5 be, x, x+5 and x+10

Given,

x + x+5 + x+10 = 2205

3x + 15 = 2205

Subtract 15 from both sides,

3x = 2205 - 15

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5 0
3 years ago
In 25 minutes, Jay can run 10 laps around the track. Write an equation to represent the relationship.
Inessa [10]

Answer:

The equation is y=\frac{2}{5} x.

Step-by-step explanation:

Let y represent the number of laps Jay run, and x the number of minutes it takes him to run those laps.

We know that it it takes Jay 25 minutes to run 10 laps; therefore, the number of laps jay runs per minute is:

\frac{10\:laps}{25\:minutes} =\frac{2}{5}\:laps/min

So, if Jay runs for x minutes, the number of laps y he will run be:

\boxed{y=\frac{2}{5}x}

3 0
3 years ago
Area of a base is 2 3/4 and the height is 4/5 what is the volume
Serhud [2]

Answer:

2 4/20

Step-by-step explanation:

4 × 2 = 8

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44/20

Simplified is

2 4/20

8 0
3 years ago
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