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Vedmedyk [2.9K]
2 years ago
8

Consider the following statement. If m and n are any positive integers and mn is a perfect square, then m and n are perfect squa

res. Is the statement true or false
Mathematics
1 answer:
Ronch [10]2 years ago
8 0

Answer:

False

Step-by-step explanation:

A number is said to be a perfect square if it is a product of some integer with itself.

Take two positive integers as m=2\,,\,n=18.

mn=2(18)=36=6^2

As mn=6^2, mn is a perfect square.

But m and n are not perfect squares.

So, the given statement is false.

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6 0
3 years ago
Sally has 56 stamps. Sarah has 3 times as many stamps as Sally. Their brother , Peter has 45 stamps less than Sarah. How many st
aleksandr82 [10.1K]

Answer:

peter will have 123 stamps.

Step-by-step explanation:

This is because 53 times 3 is 159. Sarah has 159 stamps. Subtract 45 from 159 and you will get 123.

7 0
3 years ago
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d1i1m1o1n [39]

Answer:

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Step-by-step explanation:  I hope that helps.

4 0
2 years ago
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What is the total surface area of the figure shown?
4vir4ik [10]

Given:

Composite figure.

The figure splitted into two shapes.

One is vertical cuboid and other is horizontal cuboid

To find:

Total surface area of the figure

Solution:

<u>Vertical cuboid:</u>

Length = 14 inches

Width = 12 inches

Height = 24 inches

Surface area = 2(lw + wh + lh)

                     = 2(14 × 12 + 12 × 24 + 14 × 24)

                     = 2(168 + 288 + 336)

Surface area = 1584 square inches

<u>Horizontal cuboid:</u>

Length = 14 inches

Width = 10 inches

Height = 30 - 12 = 18 inches

Surface area = 2(lw + wh + lh)

                     = 2(14 × 10 + 10 × 18 + 14 × 18)

                     = 2(140 + 180 + 252)

Surface area = 1144 square inches

Total surface area = 1584 + 1144

                              = 2728 square inches

The total surface area of the figure is 2728 square inches.

4 0
3 years ago
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Darya [45]

Answer:

12/4 i really hope this helps i took the test and got a 100

Step-by-step explanation:

3 0
2 years ago
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