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nadya68 [22]
3 years ago
13

Select the best answer for the question

Mathematics
1 answer:
JulijaS [17]3 years ago
4 0
The answer is A. To add fractions, the denominator has to be the same. What number do 9 and 3 share when multiplying ? It is 9.

So multiply 2/3 by 3/3 to get 6/9. And 1/9 by 1/1 to get 1/9. Now add 6/9 with 1/9 which is 7/9

Now add 7/9 with 5/18. 9 and 18 share 18. Multiply 7/9 by 2/2 which is 14/9. Add 14/9 to 5/18 which is 19/18
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Jay’s roof is shaped like a triangle. It has a base of 70 feet and a height of 16 feet. What is the area of Jay’s roof?
Wittaler [7]
4,200 you just divide both sides
6 0
3 years ago
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The slope of the line that passes through the points (-7,5) and (8,-1) is wich of the following
krek1111 [17]

Answer:

-6/15

Step-by-step explanation:

y2-y1/x1-y1

-1-5/8+-7=-6/15

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2 years ago
A machine cuts a strip of carpet into two pieces. The length of the smaller piece is 5 meters greater than the length of the lar
Thepotemich [5.8K]

Answer:

14 and 26

Step-by-step explanation:

6 0
2 years ago
What is the side length of the smallest square plate on which a 24​-cm chopstick can fit along a diagonal without any​ overhang?
kari74 [83]

Answer:

17 cm is the side length of the smallest square plate.

Step-by-step explanation:

Length of the square = l

Length of the diagonal = d

Length of chopstick = s = 24 cm

If chopstick is to be fitted along a diagonal . then length of the diagonal will be:

d = s = 24 cm

Applying Pythagoras Theorem :

l^2+l^2=(24 cm)^2

2l^2=576 cm

l^2=\frac{576}{2} cm^2

l=\sqrt{\frac{576}{2} cm^2}=16,97 cm \approx 17 cm

17 cm is the side length of the smallest square plate.

4 0
2 years ago
a cellular telephone tower casts a shadow that is 72 feet long. while a nearby tree that is 27 feet tall casts a shadow that is
timurjin [86]
Shadow length is proportional to object height.
   (tower height)/(tower shadow length) = (tree height)/(tree shadow length)
   (tower height)/(72 ft) = (27 ft)/(6 ft)
   (tower height) = (72 ft)*(27/6)
   (tower height) = 324 ft

The cellular telephone tower is 324 ft tall.
8 0
3 years ago
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