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amid [387]
3 years ago
5

Samantha's notebook has 14 pages more than three times as much as Lisa's notebook.

Mathematics
1 answer:
Jlenok [28]3 years ago
4 0
First subtract the number of pages you have extra which is 14
260 - 14 =246
Next, because Samantha has 3x more pages you have to divide by 3
(doing opposite of what was done)
246/3 = 82
Final you get your answer of 82 pages in Lisa's notebook
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INDEPENDENT PRACTICE
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3 years ago
Nine times ten to the negative eleventh power over two point four times ten to the eighth power
Greeley [361]

Answer:

9(10^-11)10^8

2.4

Step-by-step explanation:

That is the correct answer

8 0
3 years ago
Mrs. Simpson drove 105 miles in 2 1/2 hours. What was Mrs. Simpson's average speed in miles per hour?
harkovskaia [24]
105 m = 2.5 h
 
x miles = 1 hour

You cross multiply since it's a proportion:
2.5 * x
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=

2.5x = 105

Then you divide everything by 2.5

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5 0
3 years ago
Read 2 more answers
If 57 is added to a number, it will be 4 times as large as it was originally. Find the number.
Sonja [21]

Answer:

19

Step-by-step explanation:

X will refer to the number.

X+57( the number added to the original.)=4x. (x time 4)

X+57=4x.

Subtract x from both sides to get the variable on one side.

(X+57)-x =(4x)-x

57=3x. You would then divide by 3 on both sides to again get integer isolated.

57/3=3/3x.

57/3=19. 3/3=1.

19=x.

6 0
3 years ago
What is the equation of a line perpendicular to -x +2=y that intersects the line at (-1.5, 3.5)?​
Nina [5.8K]

Answer:

y=x+5

Step-by-step explanation:

y-y1=m(x-x1)

y=-x+2

slope of y=-x+2 is -1, perpendicular slope is 1

y-3.5=1(x-(-1.5))

y-3.5=x+1.5

y=x+5

6 0
3 years ago
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