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2 years ago

Let a and b be real numbers where ab+0. Which of the following functions could represent the graph below?

Mathematics

1 answer:

8090 [49]2 years ago

3 0

Answer:

O f(x) = x(x – b) 3

Step-by-step explanation:

$\huge\color{aqua}{\boxed{{\colorbox{black}{hope \: it \: helps}}}}$

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Sandra knows the Pythagorean identity sin 2 ⁡ θ + cos 2 ⁡ θ = 1 . If she is told that 0 ≤ θ ≤ π 2 and cos ⁡ θ = 5 12, what will

slavikrds [6]

Answer:

$\text{tan}(\theta)=\frac{\sqrt{119}}{5}$

Step-by-step explanation:

We have been given that Sandra knows the Pythagorean identity $\text{sin}^2(\theta)+\text{cos}^2(\theta)=1$ . She is told that $0\leq \theta\leq \frac{\pi}{2}$ and $\text{cos}(\theta)=\frac{5}{12}$ .

First of all, we will find value of sine theta using the given identity.

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

$\text{sin}^2(\theta)+(\frac{5}{12})^2=1$

$\text{sin}^2(\theta)+\frac{25}{144}=1$

$\text{sin}^2(\theta)+\frac{25}{144}-\frac{25}{144}=1-\frac{25}{144}$

$\text{sin}^2(\theta)=\frac{144-25}{144}$

$\text{sin}^2(\theta)=\frac{119}{144}$

$\text{sin}(\theta)=\sqrt{\frac{119}{144}}$

$\text{sin}(\theta)=\frac{\sqrt{119}}{12}$

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

$\text{tan}(\theta)=\frac{\frac{\sqrt{119}}{12}}{\frac{5}{12}}$

$\text{tan}(\theta)=\frac{\sqrt{119}*12}{5*12}=\frac{\sqrt{119}}{5}$

Therefore, $\text{tan}(\theta)=\frac{\sqrt{119}}{5}$ .

5 0

3 years ago

37 is nearest to what multiple of 10?

Kaylis [27]

4 because 4 x 10 = 40 and 3 x 10 = 30 so 4 is closer

5 0

3 years ago

Read 2 more answers

What is the reason that absolute value is always written as a positive?

trapecia [35]

Answer:

Absolute value is talking about distance (Distance from zero); distance is always measured by positive numbers.

5 0

3 years ago

I need to know the answers for these, anyone help please

storchak [24]

Answer:

1- G

2- C

3- G

4- A

Step-by-step explanation:

choose has brainlist

3 0

2 years ago

At Store #1 for $625 you can buy 25 pairs of shoes. What is the cost for 1 pair of shoes?

Reptile [31]

Answer:25

Step-by-step explanation:

625/25=25

6 0

3 years ago