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Novay_Z [31]
3 years ago
10

Find the area of the circle.

Mathematics
2 answers:
Vladimir [108]3 years ago
7 0

Answer:

28.26

Step-by-step explanation:

A = (3.14)(3)^2

A = 3.14 * 9

A = 28.26

tresset_1 [31]3 years ago
4 0

Answer:

28.26

Step-by-step explanation:

The area of a circle is

A = pi r^2  where r is the radius

A = 3.14 ( 3)^2

A = 3.14 *9

28.26

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A steel company is making flat rectangular frames as a part of a new product they are launching. Each frame will be cut out of a
Luda [366]

The area of steel before cutting:

Area =(11+2x)*(6+2x)cm²

= 4x^{2}+22x+12x+66

Hence, Area=4x^{2}+34x+66

Area of steel after cutting out the 11*6 inside dimensions.

4x^{2}+34x+66-(11*6)=4x^{2}+34x

As the area should be close to 28 cm square, so equation becomes:

4x^{2}+34x=28 or 4x^{2}+34x-28=0

Now for the answer, kindly see the image attached. It gives x=0.76

Hence, the answer is 0.76 cm.


7 0
3 years ago
U/5+6=2 what is the answer
NeX [460]
You subtract 6 from both sides, and then multiply by 6 on both sides. You should get -20.
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4 years ago
Which line is parallel to a line whose slope is 2/5
Vera_Pavlovna [14]
3,-4
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4 years ago
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soldi70 [24.7K]
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6 0
3 years ago
Write an equation in slope-intercept form of the line through point P(8,2) with slope 4
nata0808 [166]

Hello!

Firstly, we need to know what the slope-intercept form is. Slope-intercept form is y = mx + b. In this equation, m is the slope and b is the y-intercept.

Our goal here is to find the y-intercept. To find b, we will substitute the slope and the given ordered pair into the slope-intercept equation and solve algebraically.

y = mx + b (substitute the slope and point P)

2 = 2(8) + b (multiply)

2 = 16 + b (subtract 16 from both sides)

b = -14

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4 0
4 years ago
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