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padilas [110]
3 years ago
5

(1/4)^-2 - (5^0) • 1^-1 =

Mathematics
1 answer:
katrin [286]3 years ago
8 0

Answer:

15

Step-by-step explanation:

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How is the expression 7^-4 written using a positive exponent?
Pavlova-9 [17]
It would be written as a fraction to make the exponent negative put it over one : 1/7^4
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3 years ago
The sketch shows the distance three runners travel during a race. Describe what occurs at times A,B,C and D. In what order do th
goldfiish [28.3K]

Answer:

Notice that the distance is in the y-axis, and the time in the x-axis.

First, let's see what happens in the four points:

A) You can see that in point A, the steepness of the line increases, this means that the speed of the runner increases in that point.

B) In this point, the runner that increased his/her speed in point A crosses the graph of another runner, this means that they are at the same distance to the end and at the same time.

C) In this point again two runners are at the same distance and the same time, and we also can see that the runer that increased his/her speed at point A, now has reached the end of the race (because his line stops increasing, wich means that he/she already finished the race)

D) The las runner finishes the race at point D.

Then the first runner that finishes the race is the one with the shorter graph (shorter graph means that he ran for less time than the others, wich means that he/she finished first)

The last runner is the one that finished at point D,

The middle one finishes right after the point C.

6 0
3 years ago
Owen runs 37 miles every 2 weeks. Enter the number of miles Owen runs in 12 weeks
Shtirlitz [24]
I think it’s 222 because he runs 18.5 miles every week and 18.5 x 12 = 222
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3 years ago
What is the slope of a line that is perpendicular to the graph of<br> y= 5x + 5?
AVprozaik [17]
-5/1 is the slope so the answer is -5 because you pick 2 points and use point slope formula or
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3 years ago
Find the missing numerators in each of the following problems. a. 10⁄15 = ⁄60 b. ⁄108 = 4⁄9 c. 7⁄11 = ⁄121 d. ⁄144 = 2⁄6
Zinaida [17]
We will find the numerator step by step for each expression:
 For 10/15 = x / 60
 x = (10/15) * (60)
 x = 40

 For  x / 108 = 4/9
 x = (4/9) * (108)
 x = 48

 For  7/11 = x / 121
 x = (7/11) * (121)
 x = 77

 For  x / 144 = 2/6
 x = (2/6) * (144)
 x = 48
6 0
3 years ago
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