<img src="https://tex.z-dn.net/?f=%5Csqrt%7B-63%5C%5C" id="TexFormula1" title="\sqrt{-63\\" alt="\sqrt{-63\\" align="absmiddle"

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Stolb23 [73]

2 years ago

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Mathematics

1 answer:

alex41 [277]2 years ago

4 0

Here you go! Hope this helps

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Name the figure below in two different ways.

12345 [234]

Answer:

LDM

MDL

Step-by-step explanation:

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2 years ago

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You use your mobile phone to phone home every day. It cost £15 per moth and £0.18 per minute for phone calls. how much will you

suter [353]

0.18x420= 75.6+15.00=90.6

7 0

3 years ago

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

2 years ago

Which of the following is not an example of like terms?

Viktor [21]

Answer:

A. 2 and-6

Step-by-step explanation:

Like terms are terms that contain the same variables raised to the same powers. In other words, they have the same variables with the same exponents.

So in option A, we have the terms 2 and -6. These terms are not like terms because they do not have the same variables.

4 0

1 year ago

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Does anyone know the answer?

Serhud [2]

Answer:

$6a {}^{2} - 2c + 2a {}^{2} - 2c {}^{2} \\ 8a {}^{2} - 2c {}^{2} - 2c$

Good luck!

Intelligent Muslim,

From Uzbekistan.

8 0

2 years ago