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3 years ago

What’s number 15-17 ty

Mathematics

1 answer:

alekssr [168]3 years ago

4 0

The answer would be -2

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Jdurjrjufurjrjrjrurrurjrn it is 6

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A circle with radius of 1 cm sits inside a 3 cm x 4 cm rectangle.

White raven [17]

The area of shaded-region is 8.86 cm^2

Step-by-step explanation:

We can see that there is a circle and a triangle in the given figure

In order too find the area of shaded region, we have to find the area of rectangle and circle first. The area of the shaded region will be obtained by subtracting the area of circle from the area of rectangle.

So,

<u>Area of circle:</u>

Radius = r = 1 cm

So,

$A_c = \pi r^2\\= 3.14 * (1)^2\\= 3.14*1\\= 3.14\ cm^2$

<u>Area of rectangle:</u>

Length of rectangle = l = 4 cm

Width of rectangle = w = 3 cm

So,

$A_r = l*w\\= 4 *3\\=12 cm^2$

Now,

$Area\ of\ shaded-region = A_r - A_c\\= 12 - 3.14\\=8.86\ cm^2$

The area of shaded-region is 8.86 cm^2

Keywords: Area, shaded regions

Learn more about area at:

#LearnwithBrainly

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2 years ago

Simplify (2-7×)-(7×-2)

Helga [31]

Step-by-step explanation:

2 - 7x - 7x + 2

Solving like terms

-14x + 4

Taking 2 as common

-2 (7x - 2)

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3 years ago

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99 points ALGERBA 1 HELLP

zavuch27 [327]

PART A

The given equation is $3(2)^{x}$

When $x=1$ , $h(1)=3 (2)^{1}=6$
When $x=2$ , $h(2)=3 (2)^{2}= 12$
When $x=3$ , $h(3)=3 (2)^{3} = 24$
When $x=4$ , $h(4)=3 (2)^{4}=48$

Between $x=1$ and $x=2$ there is an increase by 12
Between $x=3$ and $x=4$ there is an increase by 24

PART B

The change in section B is twice the change in section A. This change is an exponential change indicated by the expression $2^{x}$ in the function. If we continue to check the rate of change between $x=5$ and $x=6$ , we will discover that the change will be four times the rate of change between $x=3$ and $x=4$ .

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