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notsponge [240]

3 years ago

6

I want to answer other people’s questions but for some reasons the don’t let me do it it says “oops... something went wrong” Doe

s someone know what can I do to fix it?

1 answer:

ArbitrLikvidat [17]3 years ago

6 0

Answer:

Step-by-step explanation:

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hope this helps

pls mark me brainliest!

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Charlie does the following problem:

Alika [10]

The answer is B. He is incorrect because he should have only 5 factors of 3.

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3 years ago

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A central angle theta in a circle of radius 7 m is subtended by an arc of length 8 m. Find the measure of theta in degrees. (Rou

gogolik [260]

Answer: In degrees , The measure of $\theta=65.5^{\circ}$

In radians , the measure of $\theta =\dfrac{8}{7}\text{ radians}$ .

Step-by-step explanation:

We know that the formula for length of arc is given by :-

$l=\theta r$

, where $\theta$ = Central angle subtended by arc.

r= radius of the circle.

As per given , we have

Radius of circle : r=7 m

Length of arc : l= 8 m

Substitute these values in the above formula , we get

$8=\theta (7)\\\\\Rightarrow\ \theta =\dfrac{8}{7}\text{ radians}$

Hence, the measure of $\theta =\dfrac{8}{7}\text{ radians}$ .

To convert it into degrees we multiply it with $\dfrac{180^{\circ}}{\pi}$

The measure of $\theta =\dfrac{8}{7}\times\dfrac{180^{\circ}}{\pi}$

$=(\dfrac{8\times180}{7\times3.14})^{\circ}=65.5141037307^{\circ}$

$\approx65.5^{\circ}$

Hence, the measure of $\theta=65.5^{\circ}$

8 0

3 years ago

Select all the numbers that belong to the special sequence of square numbers.

ipn [44]

answer:

81

169

81 =9²

169=13²

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3 years ago

The sum of two numbers is 30. the first number is 1/5 of the second number. what are the numbers?

bonufazy [111]

Same question
x+y=30
x is 1/5 of y
x=y/5
subsitute
y/5+y=30
multily both sidse by 5
y+5y=150
add
6y=150
divide both sides by 6
y=25
subsitute
x=y/5
x=25/5
x=5
the numbers are 5 and 25

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I need help with this question... the topic is solving linear systems of equations using elimination (addition). Please give exp

gregori [183]

Answer:

x= -1

y=2

Step-by-step explanation:

6x+5y=4

6x-7y=-20

Subtract

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3 years ago