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zlopas [31]
3 years ago
10

PLEASE HELP WILL GIVE BRANLIEST!! The question is “ Abbey spends 5 hours less then triple the amount of time Emily spends on hom

ework. Nathan spends twice as much time on homework as Abbey does. Write a simplified expression for the total number of hours the three friends spend on their homework. Show your work.”
Mathematics
1 answer:
OLEGan [10]3 years ago
8 0

Answer:

10x-15

Step-by-step explanation:

First, do Abbey. Abbey= 5 hrs less than 3 Emily.

Nathan spends twice as much as Abbey. Then you get 3x (Emily is x) -5 +x (for Emily) +6x - 10 (for Nathan. Add those. You get 3x+x+6x-5-10. I hope this is correct.

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I need help finding the question to my answer please help
devlian [24]

Answer: What question? wdym?

Step-by-step explanation:

3 0
3 years ago
PLEASE HELP!!! Justin is running a race. He has completed 28 km, which happens to be 70% of the total race. How long is
tensa zangetsu [6.8K]
Answer is 40km
Explanation:
So in this question we can use a proportion
Since
28km is 70% we can write it equal to 70%
28=70

and since 100% is unknown we can write it equal to x
100=x

Then we put it in proportion form

28/x=70/100


Then cross multiply and divide

28(100)/70=x

Which would equal 40
8 0
2 years ago
The diameter of a circle has endpoints P(-12, -4) and Q(6, 12).
nexus9112 [7]

9514 1404 393

Answer:

  (x +3)² +(y -4)² = 145

Step-by-step explanation:

The center of the circle is the midpoint of the given segment PQ. If we call that point A, then ...

  A = (P +Q)/2

  A = ((-12, -4) +(6, 12))/2 = (-12+6, -4+12)/2 = (-6, 8)/2

  A = (-3, 4)

The equation of the circle for some radius r is ...

  (x -(-3))² +(y -4)² = r² . . . . . . where (-3, 4) is the center of the circle

The value of r² can be found by substituting either of the points on the circle. If we use Q, then we have ...

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Then the equation of the circle is ...

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3 0
3 years ago
The equation y=20646 x 0.86^x estimates the value of a brand of car x years after it was purchased new. milo purchased this bran
torisob [31]
20646(.86^11) = 3929
5 0
3 years ago
Read 2 more answers
What is 1÷ (3/4) = ?
Valentin [98]

Answer:

Step-by-step explanation:

You can get your calculator to do this for you. 3 ÷ 4 = 0.75

1 ÷ 0.75 = 1.3333

or you can divide by 3/4 by hand

1

----

1

=====

3

-----

4

1        *     4

---  -----------  ====== 1.33333

1        *     3      

4 0
3 years ago
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