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gizmo_the_mogwai [7]
2 years ago
6

100 POINTS!

Mathematics
1 answer:
ElenaW [278]2 years ago
5 0
All positive real numbers and 0
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Wendy and Mini earn $49 per week for delivering magazines. Wendy worked for x weeks and earned an additional total bonus of $18.
JulijaS [17]
It's D, $49.00/wk for x weeks is 49x, plus $18.00 bonus is 49x+18, add the fact that Mini worked for y weeks, 49y. 
Read it slowly and out loud till you get it.

4 0
3 years ago
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What is a reasonable estimate of the distance George there the fourth ball?
Karolina [17]

Answer:

15

Step-by-step explanation:

[character limit thing]

4 0
3 years ago
A cup contains 3 blue paper clips,2 red paper clips,and 5 silver paper clips.what is the probability of not drawing a red paper
Elis [28]
Short Answer 0.8

Remark
The total number of possible draws is
3 Blue + 2 Red + 5 silver = 10
There are two ways of solving this, both of which will be used later on.

Method 1
If you don't draw a read paper clip, that means you will draw a silver or blue paper clip.
\frac{Silver + blue}{10} =  \frac{3 + 5}{10} =  \frac{8}{10} = \text{0.8}

Method Two
The other way is to draw a red one and take that probability away from 1. 
P(red) = \frac{2}{10} = \text{0.2}
1 - 0.2 = 0.8 Same answer.

4 0
3 years ago
A rectangular rug has an area of 84 square feet. If its length is 2 feet more than twice its​ width, find the dimensions of the
weeeeeb [17]

L=2W+2

W=(L-2)/2

A=LW, using W from above makes this

A=L(L-2)/2

2A=L^2-2L

L^2-2L-2A=0, given A=84

L^2-2L-168=0

(L-14)(L+12)=0, since L>0

L=14

The length of the rug is 14 ft

(W=(L-2)/2=6 ft)

3 0
3 years ago
One grain of this sand approximately weighs 6 x 10^-6g.
emmasim [6.3K]

Answer:

  • 1.2×10¹² grains

Step-by-step explanation:

1 grain = 6×10⁻⁶ g

  • 7200 kg =
  • 7200000 g =
  • 7.2×10⁶ g =
  • 7.2×10⁶ ÷ 6×10⁻⁶ =
  • (7.2÷6)×10⁶⁻ ⁽⁻⁶⁾ =
  • 1.2×10¹² grains
4 0
3 years ago
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