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3 years ago

What is the constant in the expression?

Mathematics

2 answers:

nasty-shy [4]3 years ago

5 0

the answer to this question is b

Sergio039 [100]3 years ago

5 0

The answer is d because it doesn't have a coefficient

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22.90 dollors with 5% sales tax

Aleksandr-060686 [28]

24.045
is the answer
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1.145*22.90

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3 years ago

You are paid $82.50 for 71212 hours of work. What is your rate of pay?

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$0.001 dollar an hour?

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3 years ago

If cos Θ = square root 2 over 2 and 3 pi over 2 < Θ < 2π, what are the values of sin Θ and tan Θ?

KIM [24]

Answer:

The answer is

$sin(\theta)=-\frac{\sqrt{2}}{2}$

$tan(\theta)=-1$

Step-by-step explanation:

we know that

$tan(\theta)=\frac{sin(\theta)}{cos(\theta)}$

$sin^{2}(\theta)+cos^{2}(\theta)=1$

In this problem we have

$cos(\theta)=\frac{\sqrt{2}}{2}$

$\frac{3\pi}{2}$

The angle $\theta$ belong to the third or fourth quadrant

The value of $sin(\theta)$ is negative

Step 1

Find the value of $sin(\theta)$

Remember

$sin^{2}(\theta)+cos^{2}(\theta)=1$

we have

$cos(\theta)=\frac{\sqrt{2}}{2}$

substitute

$sin^{2}(\theta)+(\frac{\sqrt{2}}{2})^{2}=1$

$sin^{2}(\theta)=1-\frac{1}{2}$

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

$sin(\theta)=-\frac{\sqrt{2}}{2}$ ------> remember that the value is negative

Step 2

Find the value of $tan(\theta)$

$tan(\theta)=\frac{sin(\theta)}{cos(\theta)}$

we have

$sin(\theta)=-\frac{\sqrt{2}}{2}$

$cos(\theta)=\frac{\sqrt{2}}{2}$

substitute

$tan(\theta)=\frac{-\frac{\sqrt{2}}{2}}{\frac{\sqrt{2}}{2}}$

$tan(\theta)=-1$

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3 years ago

Read 2 more answers

What numbers have an absolute value of 2 1/2

olasank [31]

2 1/2 and -2 1/2 beacause negative absolute value is the same number without negative sign

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Lowest possible numerator and denominator 3/16 ÷ 2/3 =

Snowcat [4.5K]

This expression is equal to (3*3)/(16*2), or 9/32.

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3 years ago