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3 years ago

I cant see the answers does anyone else have this problem

Mathematics

2 answers:

ValentinkaMS [17]3 years ago

7 0

I'm having the same problem I thought it was just me

grin007 [14]3 years ago

6 0

Answer:

yeah....same!

Step-by-step explanation:

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What is the rate of change from x = n to x = 2n?

puteri [66]

Answer:

$\dfrac{-8}{\pi}$

Step-by-step explanation:

The rate of change of the function f(x) from point $x_1$ to point $x_2$ can be calculated using formula

$\dfrac{f(x_2)-f(x_1)}{x_2-x_1}$

Given

$x_1=\pi\\ \\x_2=2\pi$

From the graph of the function

$f(x_1)=f(\pi)=4\\ \\f(x_2)=f(2\pi)=-4$

So, the rate of change is

$\dfrac{f(x_2)-f(x_1)}{x_2-x_1}=\dfrac{-4-4}{2\pi -\pi}=\dfrac{-8}{\pi}$

5 0

3 years ago

In ∆MNP, m∠N = 90º, NH – altitude, m∠P = 21º, PM = 4 cm. Find MH.

Sveta_85 [38]

Answer:

0.51 cm

Step-by-step explanation:

In right triangle MNP, MP = 4 cm, m∠N = 90°, m∠P = 21°

By the sine definition,

$\sin \angle P=\dfrac{\text{Opposite leg}}{\text{Hypotenuse}}=\dfrac{MN}{MP}\\ \\MN=MP\sin \angle P\\ \\MN=4\sin 21^{\circ}\approx 1.43\ cm$

Now, consider right triangle HMN (it is right because NH is an altitude). By the cosine definition,

$\cos \angle M=\dfrac{\text{Adjacent leg}}{\text{Hypotenuse}}=\dfrac{MH}{MN}\\ \\MH=MN\cos \angle M$

In the right triangle, two acute angles are always complementary, so

$m\angle M=90^{\circ}-m\angle P=90^{\circ}-21^{\circ}=69^{\circ}$

Thus,

$MH=1.43\cos 69^{\circ}\approx 0.51\ cm$

7 0

3 years ago

Use a calculator to find the value of these data. Round the value to three

insens350 [35]

Answer:

-1, -1.1, 0.9, 1

Step-by-step explanation:

6 0

3 years ago

Simplify the problem given.

maks197457 [2]

Step Number 1. is to Simplify $\frac{4}{8} to \frac{1}{2}$

Step Number 2. <span>Simplify so you get </span> $\frac{x}{4} + \frac{5}{3}$

Done! :)

4 0

3 years ago

which of the following demonstrates how the first 21 on the left side of the triangle is calculated using the combination patter

d1i1m1o1n [39]

Answer:

Step-by-step explanation:

7 0

3 years ago