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allochka39001 [22]
3 years ago
12

Find the values of y = r(x) = ∛x for

Mathematics
1 answer:
marissa [1.9K]3 years ago
8 0
\bf y=r(x)=\sqrt[3]{x}\quad x=
\begin{cases}
-2.197\\
-1.331\\
0\\
1.331\\
2.197\\
3.375\\
4.913
\end{cases}\implies y=
\begin{cases}
\sqrt[3]{-2.197}\\
\sqrt[3]{-1.331}\\
\sqrt[3]{0}\\
\sqrt[3]{1.331}\\
\sqrt[3]{2.197}\\
\sqrt[3]{3.375}\\
\sqrt[3]{4.913}
\end{cases}

so.. .get the pair and plot them then, all you need is your calculator to get the cubic root of the provided value.
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Megan and her sister are planning their
Yuri [45]

Answer:  y = 12.50x + 45

Step-by-step explanation:

if x is the number of hours  and you pay $12.50 per hour then we can come up the expression 12.50x

You will be charge $45 as an initial fee so it will be 12.50x + 45 and that has to equal the total cost which is y.

y = 12.50x + 45

7 0
3 years ago
Find the product in simplest form 8/21 * 5/16
Rus_ich [418]

Just multiply across which is

8*5 = 40

21*16 = 336

40/336 = 5/42

This is correct answer

I hope this answer helped you!!! Thank you!!!

5 0
2 years ago
Read 2 more answers
A car starts with a dull tank of gas. After driving around 5he city, 1/7 of the gas has been used. With the rest of the gas in t
Sati [7]

Answer:

\frac{2}{7}

Step-by-step explanation:

Given:

A car starts with a dull tank of gas

1/7 of the gas has been used around the city.

With the rest of the gas in the car, the car can travel to and from Ottawa three times.

Question asked:

What fractions of a tank of gas does each complete trip to Ottawa use?

Solution:

Fuel used around the city = \frac{1}{7}

Remaining fuel after driving around the city = 1 - \frac{1}{7}

                                                                         =    \frac{7 - 1}{7}  = \frac{6}{7}

According to question:

As from the rest of the gas in the car that is \frac{6}{7}, the car can complete 3 trip to Ottawa  which means,

By unitary method:

The car can complete 3 trip by using = \frac{6}{7} tank of gas.

The car can complete 1 trip by using =  \frac{6}{7} \div 3

                                                             =\frac{6}{7} \times\frac{1}{3}

                                                             =  \frac{6}{21}

                                                             = \frac{2}{7} tank of gas

Thus, \frac{2}{7} tank of gas used for each complete trip to Ottawa.

5 0
3 years ago
Roger went shoe shopping with his cousins Derek and Kamal. Roger bought a pair of basketball shoes that cost $74.95. Derek spent
bezimeni [28]

Answer:

I'm pretty sure its $19.65

8 0
3 years ago
For a large batch of cupcakes the robots use 1/5 of gallon of milk. they pour it into 2 separate measuring cups each the same si
vodomira [7]
<span>1/10 milk goes into each cup because 1/5 x 2 is 2/10 and 2/10 divided by 2 is 1/10 and that is your answer....Hope this helps!!!</span>
6 0
3 years ago
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