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2 years ago

CORRECT ANSWERS ONLY! WILL GIVE BRAINLIEST!

Mathematics

1 answer:

IrinaVladis [17]2 years ago

3 0

Answer:

3rd graph (on bottom left)

Step-by-step explanation:

First, find the zeros of the function.

f(x) = x² - x - 2
f(x) = x² + x - 2x - 2
f(x) = x(x + 1) - 2(x + 1)
f(x) = (x - 2)(x + 1)

The zeros are :

x - 2 = 0 ⇒ x = 2
x + 1 = 0 ⇒ x = -1

Therefore, the graph of the function intersects the x-axis at :

(2,0) and (-1,0)

The correct graph is 3rd graph (on bottom left)

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What is the name of the relationship between ∠1 and ∠5?

kompoz [17]

Answer:

Two lines are crossed by another line (called Transversal), the angles in matching corners are called corresponding angles. There are two parallel lines interest by the Transversal and ∠1 and ∠5 are made on the matching corners . Thus ∠1 and ∠5 are the corresponding angles .

Step-by-step explanation:

7 0

3 years ago

Engineers want to design passenger seats in commercial aircraft so that they are wide enough to fit 95 percent of adult men. Ass

zimovet [89]

Answer:

$z=1.64$

And if we solve for a we got

$a=14.4 +1.64*1.1=16.204$

The 95th percentile of the hip breadth of adult men is 16.2 inches.

Step-by-step explanation:

Let X the random variable that represent the hips breadths of a population, and for this case we know the distribution for X is given by:

$X \sim N(14.4,1.1)$

Where $\mu=14.4$ and $\sigma=1.1$

For this part we want to find a value a, such that we satisfy this condition:

$P(X>a)=0.05$ (a)

$P(X$ (b)

We can find a quantile in the normal standard distribution who accumulates 0.95 of the area on the left and 0.05 of the area on the right it's z=1.64

Using this value we can set up the following equation:

$P(X$

$P(z$

And we have:

$z=1.64$

And if we solve for a we got

$a=14.4 +1.64*1.1=16.204$

The 95th percentile of the hip breadth of adult men is 16.2 inches.

8 0

3 years ago

What is the next step you should take? 1 + 18n = 33

Ivahew [28]

Answer:

You need to carry the one over by subtracting 1 from 33. The new equation will be 18n = 32

3 0

3 years ago

Read 2 more answers

Can someone help me ASAP

lianna [129]

Answer:

D. 1/5^15

Step-by-step explanation:

When an exponent is negative you need to get the reciprocal to make it positive.

3 0

3 years ago

Read 2 more answers

Please help fast! give me the equation

uranmaximum [27]

$\begin{bmatrix}x=\frac{\pi }{2}+2\pi n\\ x=\frac{3\pi }{2}+2\pi n\\ x=\frac{3\pi }{4}+\pi n\\ x=\frac{7\pi }{4}+\pi n\end{bmatrix}$

$\begin{bmatrix}\frac{3\pi }{2}+2\pi n=\frac{\pi }{2}+2\pi n\\ \frac{3\pi }{2}+2\pi n=\frac{3\pi }{4}+\pi n\\ \frac{3\pi }{2}+2\pi n=\frac{7\pi }{4}+\pi n\end{bmatrix}$

$\pi =0$

- hope this helps! -

6 0

3 years ago