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Cloud [144]
2 years ago
10

Which ratio is not equivalent to the other three? A 2 3 B 12 15 C 18 27 D 6 9

Mathematics
1 answer:
finlep [7]2 years ago
4 0

Answer: B= 12 15

Step-by-step explanation:

The given ratios are

A) 2 3= 2: 3  already in its simplest form

B)  12 15 =12:15 Changing to its simplest form, we divide both by 3 giving us           4:5

C)  18 27 =18: 27  Changing to its simplest form, we divide both numbers by 9 giving us =2:3        

D)6 9=6:9  Changing to its simplest form, we divide both by 3 giving us  

       2:3

Therefore the ratio not equivalent to other three is 12:15

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A trapezoid has base lengths of 2.5 inches and 10 inches and an altitude of 8 inches. What is the area of the trapezoid?
lisov135 [29]
A= 50. 2.5+10= 12.5/2= 6.25x8= 50
5 0
3 years ago
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Find the measure of angle x in the figure below:
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x=180-(65+65)

x=180-130

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3 years ago
Find the area of a circle. use terms to pi. c=pi over 2. the answer is pi over 16. why?
FinnZ [79.3K]
C=2pi*r; circumference formula

a=pi*r^2; area formula

It says the circumference is pi/2; so undo that by using the circumference formula to solve for r(radius);

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pi crosses each other off, making 2r=1/2
(When something crosses itself out it becomes a 1)
2r=1/2
r=.25 (because 1/2 is 0.5, and 0.5 divided by 2 is .25)

Now use the r you have in the area formula.
a=pi*r^2
.25 squared is .0625

1 divided by .0625 is 16, so now you have
a=pi*.0625 this will get you 1/16th of pi, or pi divided by 16.

(1/16th if pi is the same as pi divided by 16)

.0625pi=pi/16
5 0
3 years ago
Lucas took his bike to a local park to ride on some bike trail.Trail A is 6 3/4 miles long.Trail B is 8 1/2 miles long. How many
Eddi Din [679]

Answer: Trial B is 1\dfrac{3}{4} miles longer then Trail A.

Step-by-step explanation:

Length of Trail A = 6\dfrac34 miles

= \dfrac{24+3}{4}  miles = \dfrac{27}{4} miles.

Length of Trail B = 8\dfrac12 miles

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Trial B is longer then Trail A by \dfrac{17}{2}-\dfrac{27}{4} miles

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Hence, Trial B is 1\dfrac{3}{4} miles longer then Trail A.

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3 years ago
Which of the following ordered pairs are the CORRECT answers???
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A,C,E
you should check that the second number is more than 7 and if you multiply the first number by 2 you will get less than the second number.
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3 years ago
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