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3 years ago

2. Here is an inequality on a number line.

Mathematics

1 answer:

mars1129 [50]3 years ago

4 0

Answer:

I think the answer might be the second one or the third one

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can someone help me to solve this question. the questions is about to calculate the value of x . please help me thankyou

vladimir1956 [14]

Answer:

180-(63+63)

=180-126

=54

180-(37+90)

180-127

53

180-(54+53)

=180-107

=73°

4 0

3 years ago

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Rachel has a toy shaped like a triangular pyramid in which the base and the lateral faces are congruent equilateral triangles. T

astra-53 [7]

The lateral area that Rachel needs to cover is 21 inches.

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3 years ago

What is the sum of the rational expressions below? x+3/x-2 + 3x-8/x-2

Mamont248 [21]

Answer: $\bold{\dfrac{4x-5}{x-2}}$

Step-by-step explanation:

Since the expressions have the same denominator, we simply need to add the numerators.

$\dfrac{x+3}{x-2}+\dfrac{3x-8}{x-2}\quad =\quad \dfrac{x+3+3x-8}{x-2}\quad = \quad \large\boxed{\dfrac{4x-5}{x-2}}$

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3 years ago

The circumference of a circular mat is 13π feet. What is the area, in square feet, of the mat? Express your answer in terms of π

qaws [65]

$\bf \textit{circumference of a circle}\\\\ C=2\pi r~~ \begin{cases} r=radius\\[-0.5em] \hrulefill\\ C=13\pi \end{cases}\implies 13\pi =2\pi r\implies \cfrac{13\pi }{2\pi }=r\implies \boxed{\cfrac{13}{2}=r} \\\\[-0.35em] \rule{34em}{0.25pt}\\\\ \textit{area of a circle}\\\\ A=\pi r^2\qquad \qquad \implies A=\pi \left(\cfrac{13}{2} \right)^2\implies A=\pi \left( \cfrac{13^2}{2^2} \right)\implies A=\cfrac{169}{4}\pi$

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2 years ago

Find volume of a 6mi sphere

SVETLANKA909090 [29]

The volume of a 6 mi sphere = V = 4/3 πr³.

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3 years ago