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2 years ago

(10 points)What is the sum of the first ten terms of the sequence 4,-12, 36, -144...

Mathematics

1 answer:

MrRissso [65]2 years ago

7 0

Answer:

Step-by-step explanation:

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Find the area of the blue sector. Use 3.14 for pi and round to the nearest hundredth.

jeka94

Answer:

Option C $25.64\ in^{2}$

Step-by-step explanation:

we know that

The area of a circle is equal to

$A=\pi r^{2}$

we have

$r=7\ in$

substitute

$A=\pi(7)^{2}=49\pi\ in^{2}$

Remember that

$360$ degrees subtends the complete area of the circle

by proportion

Find the area of the blue sector for an angle of $60$ degrees

$\frac{49\pi}{360}=\frac{x}{60}\\ \\x={49\pi*60/360$

$x=25.64\ in^{2}$

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2 years ago

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From the given information, find the value of x.

igor_vitrenko [27]

Answer:

X=45

Step-by-step explanation:

Lines AC and CD meet at a right angle so you half 90 =45

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2 years ago

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Is 0.018 a reasonable answer for 1.8x100

Sloan [31]

Answer:

Step-by-step explanation:

1.8×100 would be 180 because you're moving the decimal place two to the right.

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2 years ago

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Which graph of a relation is also a function ?

Illusion [34]

Answer:

Step-by-step explanation:

A graph is only a function when there is only one y value for each x value.

A trick is to draw a line through some points on the x-axis, and if the line goes through more than one point. Then it is not a function. (See picture)

Sorry, not all the lines are straight, but you get the point. B is the only one that doesn't have more than one point on the lines I drew.

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2 years ago

greg is designing the clock face for a homemade clock. using the center of the clock face as the origin, he places the label 12

Serjik [45]

I apologized that you have not been helped yet, But the answer is (0,-5). Again, I am so sorry that you were not helped properly :)

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2 years ago