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2 years ago

14

Please help and I will mark big brain

2 answers:

MrRa [10]2 years ago

8 0

Answer:

6

Step-by-step explanation:

I learned this before

irga5000 [103]2 years ago

3 0

Answer: 6

Step-by-step explanation:

(41--1)/ (8-1) = 42/7 = 6

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3 years ago

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The area A of a sector of a circle is given by A=πr²s/360, where r is the radius of the circle and s is the angle measure(in deg

Leokris [45]

$A= \frac{ \pi r^2s}{360} \\ \\ \pi r^2s=360A \\ \\ s= \frac{360A}{ \pi r^2}$

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3 years ago

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A central angle in a circle with a radius of 3 cm intercepts an arc with a length of 6 cm what is the measure of the central ang

Fiesta28 [93]

Answer:

$114.59\°$

Step-by-step explanation:

we know that

The circumference of a circle is equal to

$C=2\pi r$

In this problem we have

$r=3\ cm$

substitute

$C=2\pi (3)=6 \pi\ cm$

Remember that

$360\°$ subtends the arc length of the complete circle

so

by proportion

Find the measure of the central angle for an arc length of $6\ cm$

$\frac{360}{6\pi } \frac{degrees}{cm} =\frac{x}{6} \frac{degrees}{cm} \\ \\x=6*360/(6\pi )\\\\ x=114.59\°$

7 0

2 years ago

Explain the steps in finding the midpoint of the points (-1,2) and (3,-6). The state the midpoint

blondinia [14]

Answer:

(1, -2)

Step-by-step explanation:

midpoint x = (x₁ + x₂) / 2

midpoint y = (y₁ + y₂) / 2

$(\frac{-1 + 3}{2} , \frac{2 + -(6)}{2} )$

= (1, -2)

8 0

3 years ago

An acting award is a square pyramid with a base that measures 6 inches on each side. The slant height is 8 inches. What is the s

kupik [55]

Answer:

The surface area of the award is $132\ in^{2}$

Step-by-step explanation:

we know that

The surface area of the square pyramid is equal to the area of the square base plus the area of its four lateral triangular faces

so

$SA=6^{2}+4[\frac{1}{2}(6)(8)]=132\ in^{2}$

7 0

2 years ago