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polet [3.4K]
3 years ago
11

26) One third of the students earned an A on the test. If 9 of the students earned an A, how many students are there in total?

Mathematics
2 answers:
Roman55 [17]3 years ago
7 0
There would be 27 students in total. You can find this by knowing that since 9 students got an a, and they make up 1/3 of the class, you should do 9(3) and that will give you 27. I hope I was able to help you understand better!
Lilit [14]3 years ago
4 0

Answer:

27

Step-by-step explanation:

9 students = 1/3, 9 students = 1/2, 9 students = 1/3 so 9 x 3 =27

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A 34-foot pole casts a 30-foot shadow. At the same time, a nearby tree casts a 24-foot shadow. How tall is the tree?
artcher [175]

Answer:

27.2 ft

Step-by-step explanation:

Let's set up a ratio that represents the problem:

Object's Height (ft) : Shadow (ft)

Substitute with the dimensions of the 34 foot pole and its 30 foot shadow.

34 : 30

Find the unit rate:

The unit rate is when one number in a ratio is 1.

Let's make the Shadow equal to one by dividing by 30 on both sides.

Object's Height (ft) : Shadow (ft)

34 : 30

/30  /30

1.13 : 1

Now, let's multiply by 24 on both sides to find the height of the tree.

Multiply:

Object's Height (ft) : Shadow (ft)

1.13 : 1

x24  x24

27.2 : 24

Therefore, the tree is 27.2 feet tall.

7 0
3 years ago
25-28 i need help with
valina [46]
Don't understand the question your asking
3 0
3 years ago
Help also please explain thank you
Ne4ueva [31]
10 yards. The amount of yards is 1 third the amount of feet so you just divide 30 by 3 to get the amount of yards
5 0
3 years ago
The area of Taylor’s square bedroom is 256 feet squared, what is the length of any side wall in his bedroom?
MAXImum [283]
The length of one side of his bedroom would be 16 feet.

The formula for area of a square is length x width and all four sides of a square are equal in length.

In this case 16x16 is equal to 256
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3 years ago
(x-y)^2 (x^2-2xy+y^2)
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