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4 years ago

List 3 values that would make this inequality true. 65<15x

Mathematics

1 answer:

Romashka-Z-Leto [24]4 years ago

5 0

Anything 5 and up, because when you multiply the by 15, they equal more than 65, making the inequality true.

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Which expressions simplify to a rational number? Select each correct answer

Svetach [21]

All but the first simplify to something rational.

$\sqrt{3}\cdot\sqrt{16}=4\sqrt{3}\qquad\text{irrational}$
$2\sqrt{9}\cdot\sqrt{4}=2\cdot 3\cdot 2=12$
$7\sqrt{3}\cdot\sqrt{3}=7\cdot 3=21$
$\sqrt{5}\cdot\sqrt{5}=5$

7 0

4 years ago

Read 2 more answers

Help me please, if you can.

Gnesinka [82]

I thinks it’s 96 too

8 0

3 years ago

a circle with a radius of 5 cm sits inside a 11 cm x 11 cm rectangle, what is the area of the shaded region

mojhsa [17]

Answer:

42.43 $cm^{2}$

Step-by-step explanation:

Given:

A circle with a radius of 5 cm sits inside a 11 cm x 11 cm rectangle.

Question asked:

What is the area of the shaded region as shown in the figure ?

Solution:

First of all calculate area of circle and then area of rectangle:-

$Area\ of\ cirle=\pi r^{2}$

$= =\frac{22}{7} \times5\times5\\ \\ =\frac{550}{7}\\ \\=78.571$

As here length an width both are 11 cm, we can say that this is a square.

$Area\ of\ square=(Side)^{2}$

= $=11\times11=121\ cm^{2}$

Now, area of shaded region = Area of square - Area of circle

= 121 - 78.571 = 42.429 $cm^{2}$

Therefore, the area of the shaded region will be 42.43 $cm^{2}$

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5 0

3 years ago

In a class there are 25 students 15 are boys what percentage are girls

tankabanditka [31]

Answer:

40%

Step-by-step explanation:

Total students = 25

Boys = 15

Girls = 25 - 15 = 10

Percent of girls = 10/25

Percent is out of 100.

=> 10/25 = x/100

=> Cross multiply

=> 25 * x = 100 * 10

=> 25x = 1000

=> 25x/25 = 1000/25

=> x = 40

So, 40% are girls

7 0

3 years ago

Part I

klemol [59]

It depends on the shape it may be rotation

6 0

4 years ago