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4 years ago

Which expression can go in the blank to make the equation true? -2.9 + 2.8 + ____________ = 0

Mathematics

2 answers:

diamong [38]4 years ago

6 0

Answer:

+0.1

Step-by-step explanation:

when we subtract 2.9 and 2.8 we get -0.1 and to make it zero we have to keep +0.1

faltersainse [42]4 years ago

3 0

When u subtract the to u get -0.1 so u got to add the the zero to get the positive 0.1

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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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3 years ago

The front tent is 8 feet and 5 feet tall what is the part of the tent

KIM [24]

Well if u think about it 8*5= 40ft ²

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3 years ago

Sonia asked ten friends to pick a number between one and twenty. The picks are listed below. 15, 17, 12, 19, 10 ,12, 16, 8, 13,

jeka57 [31]

The answer is
3.1
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3 years ago

A marble is selected at random from a jar containing 5 red marbles, 2 yellow marbles & 3 green marbles. What is the probabil

lisabon 2012 [21]

Answer:

5/11

explanation

Probability here is the chance of selection out of a total. So, we need to first find the total number of marbles.

total

So there are

marbles total. The probability that we pick one of the

green marbles out of the

is simply that ratio:

green

Same idea for yellow:

yellow

The probability of picking either of these colors is simply the sum of their probabilities.

green or yellow

green

yellow

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3 years ago

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Mrac [35]

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