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Vlada [557]
2 years ago
5

if you and your friend went swimming for 10 hours, then came back because they forgot something, then swam for 11 hours, how man

y hours would you've been swimming for?
Mathematics
1 answer:
N76 [4]2 years ago
7 0

Answer:

21 hours

Step-by-step explanation:

You and your friend swam for 10 hours then took a break then swam for 11 so 10+11=21 so you and your friend swam for 21 hours all together.

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PLEASE PLEASE PLEASE HELP ILL GIVE BRAINEST PLEAESE​
AveGali [126]

Answer:

The last one

Step-by-step explanation:

There are two of the same x-values, meaning it is not a function.

Hopefully this helps!

Brainliest please?

5 0
3 years ago
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8th grade math please help! 8-10 points
Alisiya [41]
The third one, this is because you take your y2 and y1 values (y2=0 and y1=9 because these are the two y values given to you from each coordinate) and subtract 0-9. then you do the same, but with the x2 and x1 values. so your x1 value is 3 and your x2 value is 0, so you subtract 0 from 3. divide your second answer from the first answer, to get a gradient of -1/3 x. now using the first coordinate (0,9) you know that the y coordinate is 9. as the x value =0, we know that the line is passing through the y axis at 9 so 9 is your y intercept. this gives you the equation -1/3x+9. hope this helped and wasn't too confusing!
8 0
3 years ago
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write the possible range of the measurement 214 ounces +1.2% round to the nearest hundredth if necessary
boyakko [2]

9514 1404 393

Answer:

  [211.43,216.57]

Step-by-step explanation:

1.2% of 214 is ...

 0.012 × 214 = 2.568 ≈ 2.57 . . . . rounded to hundredths

Then the minimum possible value is ...

  214 -2.57 = 211.43

and the maximum possible value is ...

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The range is 211.43 to 216.57.

3 0
3 years ago
Whats the volume?<br><br> B= 37.6 cm²; h= 20 cm
Georgia [21]

Answer:

752 cm^3

Step-by-step explanation:

Find the volume with: base x length x height

37.6 x 20 = 752

8 0
3 years ago
A housepainter mixed 5 gal of blue paint with every 9 gal of yellow paint in order to make a green paint. What is
ella [17]

Answer:

A

Step-by-step explanation:

5:9 is the original ratio.

we know that anything times 5 would have the ones place of either 5 or 0 so we can eliminate c and d. Then we test out the other two choices.

25/5=5

45/9=5

A is correct.

15/5=3

45/9=5

Option B is incorrect.

so, the ratio is 25:45

The answer is A!

4 0
3 years ago
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