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2 years ago

11

Help guys pls cmon im bad at math

1 answer:

KatRina [158]2 years ago

5 0

Answer:

1. 942.48

Step-by-step explanation:

Input the numbers in the formula.

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*PLEASE ANSWER!!* (: What is the length of the arc QR?

natulia [17]

Answer:

$\frac{20}{3}\pi$

Step-by-step explanation:

$l \widehat{(QR)} = \frac{ \theta}{360 \degree} \times 2\pi \: r \\ \\ = \frac{ 120 \degree}{360 \degree} \times 2\pi \times 10 \\ \\ = \frac{ 1}{3} \times 20\pi \\ \\ \huge \red{ \boxed{ l \widehat{(QR)} = \frac{20}{3}\pi }}$

4 0

3 years ago

Decide whether the function is an exponential growth or exponential decay function, and find the constant percentage rate of gro

Rasek [7]

Answer:

Exponential decay function; -0.94%

Step-by-step explanation:

We are given an exponential function and we are supposed to find whether the given function increases or decreases and also the percentage of increase or decrease.

Th given function is f(x) = 2060 $\times (0.9906)^{x}$

Here x denotes the number of years.

At the start the value was 2060. In the next year it was multiplied by 0.9906.

This means that the value becomes 0.9906 times after each year.

Hence the value decreases by 0.0094 times its original value.

Converting to percentage it becomes 0.94% decrease after each year.

7 0

3 years ago

What is the equation of this trend line?<br><br> Enter your answers by filling in the boxes.

zhuklara [117]

Answer:

$k=-2j+24$

Step-by-step explanation:

Take two points from the graph

(0,24) and (6,12)

Find the slope

The formula to calculate the slope between two points is equal to

$m=\frac{k2-k1}{j2-j1}$

substitute

$m=\frac{12-24}{6-0}$

$m=\frac{-12}{6}=-2$ ---> is negative because is a decreasing function

Find the equation of the line in slope intercept form

$k=mj+b$

we have

$m=-2\\b=24$

Note: The y-intercept is given (0,24)

substitute

$k=-2j+24$

3 0

4 years ago

Solve for X<br> Your answer must be simplified.<br><br> -7x > 10

Bezzdna [24]

Answer:

There are many solution for this problem

The solutions are -2, -3, -4..... And even fractions like -11/7, -12/7, etc.

Hope this helps!

7 0

3 years ago

Read 2 more answers

Write each decimal or fraction as a percent.<br><br>0.03<br>0.18<br>23/25<br><br>

ZanzabumX [31]

Answer:

0.03 = 3%

0.18 = 18%

23/25 = 92%

Step-by-step explanation:

4 0

4 years ago