3 years ago

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Mathematics

1 answer:

Kay [80]3 years ago

7 0

4020

you're supposed to multiply the length value by 1760

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Mei and Anju are sitting next to each other on different horses on a carousel. Mei's horse is 3 meters from the center of the

SOVA2 [1]

Answer:

$2\pi \approx 6.28\ meters$

Step-by-step explanation:

Mei's horse is 3 meters from the center of the carousel. After one rotation, Mei travelled

$l_M=2\pi r=2\pi \cdot 3=6\pi\ meters$

Anju's horse is 2 meters from the center. After one rotation, Mei travelled

$l_A=2\pi r=2\pi \cdot 2=4\pi\ meters$

The difference in their travelled distances is

$l_M-l_A=6\pi -4\pi =2\pi \approx 6.28\ meters$

5 0

4 years ago

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Suzie simplified the following expression. What mistake did she make?

Bess [88]

She forgot to distribute the 2 fully.
ie. After the 3 to the 9x.
It should have been,
2(3 + 9x) - 2x
6 + 18x - 2x
6 + 16x

7 0

3 years ago

consider the following geometric sequence -5,10, -20,40 if the explicit formula for the sequence above is expresses in a form an

vichka [17]

B=-5 and c=-2. b is the first term in the sequence and-2 Is the common ratio of the sequence.

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3 years ago

What are the solution(s) to the quadratic equation 9x2 = 4? x = StartFraction 4 Over 9 EndFraction and x = StartFraction negativ

andrezito [222]

Answer:

x = StartFraction 2 Over 3 EndFraction and x = StartFraction negative 2 Over 3 EndFraction.

Step-by-step explanation:

We are given a quadratic equation of single variable x as $9x^{2} =4$ .

There is no doubt that as the equation is of two degrees so, it will have two solutions.

Now, $9x^{2} =4$

⇒ $x^{2} =\frac{4}{9}$

⇒ $x=\frac{2}{3}$ and $x = -\frac{2}{3}$

Therefore, the solution will be x = StartFraction 2 Over 3 EndFraction and x = StartFraction negative 2 Over 3 EndFraction. (Answer)

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3 years ago

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Classify the following triangle. Check all that apply.

natita [175]

Answer:

A and B

Step-by-step explanation:

It's definitely not equilateral or isosceles because none of the side lengths are equal. Therefore, it is scalene. Since all of the angles are acute, it's not obtuse or right, therefore it is acute.

4 0

3 years ago