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3 years ago

HELP! GIVING BRAINLIEST AND POINTS!!!

1 answer:

5 0

1. 8 1/3 is greater.
Least to Greatest it would be 7 1/5, 7 1/2, and 7 7/8. This is because 1/5 is less than 1/2, and 1/2 is less than 7/8.

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Help me with this easy problem If you answer correctly you will get brainliest and I wll draw you something. whaterver you like!

hjlf

Answer: 620

Step-by-step explanation:

$40 x 5.5 hrs = $220 This means that she earned $220 tutoring the first student.

$40 x 10 hrs = $400 She earned $400 tutoring the second student.

$220 + $400 = $620 She earned $620 in total that week.

7 0

2 years ago

Read 2 more answers

The speed of a stream is 2 mph. A boat travels 4 miles upstream in the same time it takes to travel 8 miles downstream. What is

Amanda [17]

4 = (r-2) t

8 = (r+2) t

4 = (r-2) * [8/(r+2)]

4 = (8r-16)/ (r+2) . . .multiply by 2

4r + 8 = 8r - 16

4r = 24

r = 6

hope this helps

7 0

3 years ago

Prove that the value of the expression<br> (16^3–8^3)(4^3 +2^3) is divisible by 63.

Darya [45]

Answer:

Step-by-step explanation:

16^3 - 8^3

Take out 8^3 as a common factor.

16^3 = 2^3 * 8^3

8^3(2^3 - 1)

8^3(8 - 1) = 8^3 * 7

(4^3 + 2^3) Expand

64 + 8 Combine

72 = 9 * 8

Conclusion

(8*3 * 7 )(9*8)

7*9 = 63

So any number containing 63 will divide into the reduced form of

(16^3–8^3)(4^3 +2^3)

7 0

2 years ago

Please answer this and show work

evablogger [386]

Ok so we know it took 4 hrs and 15 minutes, which is the same as 4.25 hrs so we divide 1114 by 4.25 which is 262.118. The average speed of the plane is 262 mph.

Then we just have to multiply 262 by 1.6 to get the speed in kph. That equals 419.2. That means the average speed was 419 kph. Hope that helps!

3 0

3 years ago

I have forgotten how to answer this question

Sergeu [11.5K]

Check the picture below.

so, as you see there, those radius make out an "equilateral triangle", and as you know, all angles in an equilateral triangle are 60° each.

now, if we make out the other equilateral triangle underneath that one, and add up the angles making out ∡CBD, you'd get, yes, you guessed it.

4 0

3 years ago