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Eduardwww [97]
3 years ago
8

Please help me with this.Evaluate 8r - rs when r=6 and s=5

Mathematics
2 answers:
kondaur [170]3 years ago
6 0

The answer of the equation is 18.

Ronch [10]3 years ago
5 0

You do 8(6) minus 6(5) = 6(8) = 48 and 6(5) = 30.    48-30 = 18. Your answer is 18.

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Explain how to model the division of –20 by –5 on a number line.
kenny6666 [7]
Star at -20 and go back by -5 on the number line 
3 0
3 years ago
What is the domain and range of the graph?
Andreas93 [3]

Answer:

Domain= how many boxes there are from each circle to the other, and the range is basically the height. In this case, Domain= 8, Range=2

8 0
3 years ago
Josh rented a truck for one day. There was a base fee of$14.99,and there was an additional charge of81cent for each mile driven.
BigorU [14]
  $117.05
- $  14.99
-------------
  $102.46 left

Divide 102.46 by 0.81, and you get 126, which makes it 126 miles.

Hope this helps!

7 0
3 years ago
Read 2 more answers
Which equation shows 6(x + 4) = 2( y + 5) solved for y? A. y = x + 3 B. y = 3x + 5 C. y = 3x + 7 D. y = 3x + 17
UNO [17]

Answer:

C

Step-by-step explanation:

Given

6(x + 4) = 2(y + 5) ← distribute parenthesis on both sides of the equation

6x + 24 = 2y + 10 ( subtract 10 from both sides )

6x + 14 = 2y ( divide all terms by 2 )

3x + 7 = y, hence

y = 3x + 7 → C

4 0
3 years ago
Help mee A scout troop are hiking in a forest. Starting from their base, they walk 4.2km south followed by 7.1km west. They want
slega [8]

Answer:

They should walk on a bearing of 59.4 degrees

Step-by-step explanation:

Given

South = 4.2km

West = 7.1km

Required

The bearing back to the base

The given question is illustrated with the attached image.

To do this, we simply calculate the measure of angle a using:

\tan(a) = \frac{Opposite}{Adjacent}

\tan(a) = \frac{7.1}{4,2}

\tan(a) = 1.6905

Take arctan of both sides

a = \tan^{-1}(1.6905)

a = 59.4^o

4 0
3 years ago
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