3 years ago

What is the value of x

Mathematics

1 answer:

GREYUIT [131]3 years ago

8 0

Answer:

The value of x is any number because x is a variable that's in algebra

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xxMikexx [17]

Answer:

Step-by-step explanation: 0.43 I think

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3 years ago

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Need help finding the area of the shaded region. Round to the nearest tenth. Need help ASAP

Sergio [31]

Answer: 294.4 m²

<u>Step-by-step explanation:</u>

Separate the shaded region into two parts:

The section containing the central angle of 230° (360° - 130°)
The triangle with sides 11.1, 11.1 & 20.12 (use Law of Cosines)

$1.\ Area(A)=\pi\ r^2\ \bigg(\dfrac{\theta}{360}\bigg)\\\\\\.\qquad \qquad =\pi(11.1)^2\bigg(\dfrac{230}{360}\bigg)\\\\\\.\qquad \qquad =247.3$

$2.\ \text{Use Law of cosines to find the length of the third side.}\\\text{ Then use Heron's formula to find the Area of the triangle.}\\\\s=\dfrac{11.1+11.1+20.12}{2}=21.16\\\\\\A=\sqrt{s(s-a)(s-b)(s-c)}\\\\.\ =\sqrt{21.16(21.16-11.1)(21.16-11.1)(21.16-20.12)}\\\\.\ =\sqrt{2227}\\\\.\ =47.1$

Area of shaded region = Area of (1) + Area of (2)

= 247.3 + 47.1

= 294.4

8 0

4 years ago

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Lily has walked 2 miles. Her goal is to 6 miles. Lily plans to reach her goal by walking 3 miles each hour h for the rest of her

suter [353]

Step-by-step explanation:

if she did that she would have walked 36 miles multipy all of the numbers and theres ur answer i think i am so tired so if its wrong i am sooo sorry i havent slept in two days.... hope u have a better day than mine

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3 years ago

Which facts could be applied to simplify this expression? Check all that apply.

Lubov Fominskaja [6]

Answer:

i think ii first add 5x + x then you can remove the parentheses, group similar terms and add similar elements

Step-by-step explanation:

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3 years ago

Find the measure of each interior angle of a regular 25 sided polygon

uranmaximum [27]

The formula for finding the total interior angle measure is:

180(n-2)

n is the number of sides.

180(25-2) = 4140

So each interior angle would be: 165.6

4140/25 = 165.6

Hope this helps :)

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3 years ago