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lisov135 [29]
3 years ago
9

Please help this is hard

Mathematics
2 answers:
jarptica [38.1K]3 years ago
8 0

Step-by-step explanation:

\sqrt{100}  = 10 \\   \sqrt{4}   = 2 \\  \sqrt{64}  = 8 \\  \sqrt{16}  = 4 \\  \sqrt{25}  = 5 \\  \sqrt{1}  = 1 \\  \sqrt{49}  = 7 \\  \sqrt{36}  = 6

OverLord2011 [107]3 years ago
3 0

Answer:

1 - 10

2 - 2

3 - 8

4 - 4

5 - 5

6 - 1/2

7 - 7

8 - 6

Step-by-step explanation:

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What is the surface area of a rectangular prism that has a height of 5 cm, a width of 10 cm, and a depth of 4 cm?
Ket [755]

Option C: 220 \ cm^2 is the surface area of the rectangular prism

Explanation:

The height of the rectangular prism is 5 cm

The width of the rectangular prism is 10 cm

The depth of the rectangular prism is 4 cm

We need to determine the surface area of the rectangular prism.

The surface area of the rectangular prism can be determined using the formula,

A=2(w l+h l+h w)

Substituting w=10 , h=5 and l=4 in the formula, we get,

A=2 \cdot(10 \cdot 4+5 \cdot 4+5 \cdot 10)

Multiplying the terms within the bracket, we have,

A=2 \cdot(40 +20+5 0)

Adding all the values within the bracket, we get,

A=2 \cdot(110)

Multiplying, we have,

A=220

Thus, the surface area of the rectangular prism is 220 \ cm^2

Hence, Option C is the correct answer.

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Alvin's age is three times Elgas age. The sum of their ages is 36. What is Elgas age?
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Answer:

Elgas is 9 years old.

Step-by-step explanation:

Alvin: 3 x Elgas

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2 years ago
The ratio of students who prefer pineapple to students who prefer kiwi is 12 to 5. Which pair of equivalent ratios could be used
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Answer:

<u> 105</u> students could prefer kiwi if there are 357 total students.

Step-by-step explanation:

Given:

The ratio of students who prefer pineapple to students who prefer kiwi is 12 to 5.

Now, to find number of students prefer kiwi if there are 357 total students.

Let the students prefer pineapple be 12x.

And the students prefer kiwi be 5x.

Total students = 357.

So, we set an equation to get the number of students who prefer kiwi.

According to question:

12x+5x=357

17x=357

<em>Dividing both sides by 17 we get:</em>

x=21.

<em>Thus, students prefer kiwi are:</em>

5x

=5\times 21=105.

Therefore, 105 students could prefer kiwi if there are 357 total students.

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