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2 years ago

Identify which sets the number -20 belongs to

1 answer:

8 0

0 -1 -2 -3 -4 -5 -6 -7 -8 -9 -10 -11 -12 -13 -14 -15 -16 -17 -18 -19 -20 Hope this helps! :D But you forgot to put answer choices edit them in so i can help! :D

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X²-7=0 extracting square roots

Irina-Kira [14]

Answer:

x = ± $\sqrt{7}$

Step-by-step explanation:

Given

x² - 7 = 0 ( add 7 to both sides )

x² = 7 ( take the square root of both sides )

x = ± $\sqrt{7}$

4 0

2 years ago

What is the total depreciation (at 10% rate) on a blower purchased 3 years ago for $499?

GrogVix [38]

$\bf \qquad \textit{Amount for Exponential Decay} \\\\ A=P(1 - r)^t\qquad \begin{cases} A=\textit{accumulated amount}\\ P=\textit{initial amount}\dotfill &499\\ r=rate\to 10\%\to \frac{10}{100}\dotfill &0.10\\ t=\textit{elapsed time}\dotfill &3\\ \end{cases} \\\\\\ A=499(1-0.10)^3\implies A=499(0.9)^3\implies A=363.771 \\\\[-0.35em] \rule{34em}{0.25pt}\\\\ ~\hfill \stackrel{\textit{total depreciation 499 - 363.771}}{135.229}~\hfill$

6 0

2 years ago

The table shows the percent of successful unmanned missions to Mars by each country or agency to the nearest tenth of a percent.

suter [353]

Answer:

C.) India, the European Space Agency, and Other launched a total of 4.5 percent of the successful missions.

EDGE2021

4 0

2 years ago

Brett create a function of X with seven points each in a different location on the grid he graph sixth of the points as shown us

alina1380 [7]

Answer:

any point where x=3, 4, or 6.

Step-by-step explanation:

The thing that makes a function a function and not a relation is having only 1 y value per x value, which means if you draw a vertical line through a point, it should not intercept any other points. Basically, the main difference between a function and a relation is that a function can't have 2 points on top of each other.

Pick a point where x=3, 4, or 6. Those are the open spots on the grid with nothing above or below them. It doesn't matter which point you pick, as long as there is NOTHING directly above or below that point.

I hope you understood this solution. Happy mathing!

4 0

1 year ago

Three times a number w is less than 18. The inequality is

Alla [95]

Answer:

W<6

Step-by-step explanation:

3 times W

So 3W is less than < 18

Do 18 / 3 =6

3 0

2 years ago