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2 years ago

What is the formula for a ratio? Is the x-axis horizontal or vertical? Which points are on the y-axis (0, 6)?

Mathematics

1 answer:

Cerrena [4.2K]2 years ago

7 0

Answer:

formula for ratio: you can write a ratio with :, or, /

x axis is horizontal

0= x axis 6= y axis

Step-by-step explanation:

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Verify which of the following are identities.

-Dominant- [34]

Answer:

Only the second equation is an identity

Step-by-step explanation:

$8 \frac{\tan^2(\theta)}{\sec(\theta)} \csc^2(\theta)=8 \csc(\theta)$

$\tan^2(\theta)\csc^2(\theta)=\sec^2(\theta)$

<u>You can confirm it: </u>

$\frac{\sin^2(\theta)}{\cos^2(\theta)}\cdot \frac{1}{\sin^2(\theta)}= \frac{1}{cos^2(\theta)}= \sec^2(\theta)$

<u>Therefore</u>

$8 \frac{\sec^2(\theta)}{\sec(\theta)} =8 \csc(\theta)$

$8 \frac{\sec(\theta)}{1} =8 \csc(\theta)$

$8\sec(\theta)=8\csc(\theta)$

<h2>It is not an Identity</h2>

<u>Let's the second one</u>

$13 \frac{\tan^2(\theta)}{\sec(\theta)} \csc^2(\theta)=13\sec(\theta)$

In this case, we already performed the calculations, so it is true. It is an Identity.

3 0

3 years ago

A class of 30 swim team members took a lifesaving test. Eighteen of the members had an average score of 92 points. The remaining

inysia [295]

Answer:

88.8%

Step-by-step explanation:

1.) 30-18= 12 which is the number of member that had an average of 84

2.)Then multiply 12 times 84 = 1008

3.) You multiply 18 by 92 which equals 1656

4.)Add 1008 and 1656 together and get 2664.

5.)Divide 2664 / 30 and you get the average of 88.8

Hope this helps :)

plz brainly & like

8 0

3 years ago

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Ingrid is making a quilt using squares that measure 2 in on each side. What is the length of a diagonal of one of the quilt squa

Usimov [2.4K]

Answer: bruh nobody needs to know this I won’t use this irl

Step-by-step explanation:

6 0

2 years ago

mittens are marked down 25% the sale price is 3.15 a pair what was the original price of a pair of mittens

Sliva [168]

$12.6 -- 25% of 12.6 is exactly $3.15

I did this by taking 3.15 / 0.25

6 0

3 years ago

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Harvey Alson invested $7,500 in a 2-year CD that pays 6% interest compounded quarterly. What is the amount of interest that Harv

irga5000 [103]

A=7,500×(1+0.06÷4)^(4×2)
A=8,448.69

Interest earned=8,448.69−7,500
Interest earned=948.69

5 0

3 years ago

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