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2 years ago

What is the closed linear form for this sequence given a1 = 0.3 and an 1 = an 0.75?

Mathematics

1 answer:

frez [133]2 years ago

5 0

Answer : 0.3 so it is a1

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Two ants, Andy and Ashley, went to visit their friend. Andy crawled the whole way, but Ashley spent half of the way riding on a

gayaneshka [121]

Answer:

Andy

Step-by-step explanation:

Ashely rode the caterpillar till the half of her journey. And Andy crawled all the way.

Crawling is twice as fast as riding the caterpillar, so by the time Ashley got to the half of her journey, Andy would have already reached their friends house.

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2 years ago

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What is the perimeter, in terms of x, of the rectangle shown here?

MaRussiya [10]

8x^2+10x-18
The explanation is in the picture below if needed

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2 years ago

The measure of angle A to the nearest tenth of a degree is: A 18.5 B 19.5 C 20.5

Andrew [12]

Answer:

Step-by-step explanation:

This is a right triangle as shown by the right angle.

The side opposite the right angle is the hypotenuse, which is 9.
The side opposite angle A is 3.

So we have the opposite of A and the hypotenuse.

The trigonometric ratio that relates opposite side to hypotenuse is SINE.

$sin\theta=\frac{opposite}{hypotenuse}$

Since, we need angle A, $\theta$ is A, opposite side is 3, and hypotenuse is 9, we substitute:

$sinA=\frac{3}{9}\\sinA=\frac{1}{3}$

To solve for the angle, we use our calculator and find the inverse sin of $\frac{1}{3}$ :

$A=sin^{-1}(\frac{1}{3})\\A=19.47$

Rounding to nearest tenth of a degree:

$A=19.5$

B is the right choice.

6 0

2 years ago

Please help me answer

Alla [95]

Answer:

Step-by-step explanation:

6 0

2 years ago

Please help I will give brainly and show your work also :)

hoa [83]

Use a calculator what?

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2 years ago

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