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Oxana [17]
3 years ago
10

39/40 into a percent

Mathematics
1 answer:
motikmotik3 years ago
6 0

Answer:97.5%

Step-by-step explanation: you just divide both numbers to get your percent

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What is the perimeter, in feet, a rectangle whose length is twice its width and whose width is 8 feet?
anyanavicka [17]
If the width is 8ft and the length is twice the width then multiply 8 by 2 to find your length
4 0
3 years ago
The smaller triangle is the image of the larger triangle after a dilation. The center of the dilation is (4,2).
vlabodo [156]

Answer:

-1/3

Step-by-step explanation:

Take the ratio of the corresponding sides to get the scale factor so for this equation let's use the hypotenuse.

The length of the hypotenuse of the larger triangle is 12 units and the smaller triangle's hypotenuse is 4 so 4/12 is the scale factor.

However 4/12  can be simplified down to 1/3.

Since the smaller triangle has been flipped upside down the scale factor is negative so the final answer is -1/3

8 0
3 years ago
Gwen has 3 red erasers, 4 green erasers, 2 black erasers, 5 purple erasers, and 6 yellow erasers in her book bag.
son4ous [18]
I think the probability that Gwen will reach in her book bag purple eraser is 5/20 or 1/4
5 0
3 years ago
Show how to determine the simplest form of by first finding the greatest common factor of 24 and 60
natima [27]

Answer:

The  greatest common factor would be 12.

Step-by-step explanation:

24: 1, 2, 3, 4, 6, 8, <u><em>12</em></u>, 24

60: 1, 2, 3, 4, 5, 6, 10 , <u><em>12</em></u>, 15, 20, 30, 60

Hope it helps!

4 0
3 years ago
During the final 5 seconds of a race a cyclist increased her velocity from 4 m/s to 7 m/s . What was her average acceleration du
GREYUIT [131]

Answer:

The average acceleration of the cyclist was 0.6 m/s².

Step-by-step explanation:

Acceleration:

The rate change of velocity per unit time is call the acceleration of the object.

a=\frac{v-u}t

u= initial velocity

v= final velocity

t= time taken change of velocity.

During the final 5 seconds of a race cyclist increased her velocity from 4m/s to 7 m/s

Here v= 7 m/s and u=4 m/s t=5 seconds

\therefore a=\frac{7\ m/s-4 \ m/s}{5s}

     =\frac{3}{5} \ m/s^2

     =0.6 m/s²

The average acceleration of the cyclist was 0.6 m/s².

8 0
3 years ago
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