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kumpel [21]
3 years ago
5

How many minutes will it take a runner to finish an 11-km race at 18 km/h?

Mathematics
1 answer:
klio [65]3 years ago
4 0
The avg is about 3min
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The temperature was 6° C.<br> By how much has it fallen if it is now -5° C?
Butoxors [25]

Answer:

11 °C

Step-by-step explanation:

  • Initial temperature = 6 °C
  • Final temperature = - 5°C
  • Change in temperature

= 6 - (-5)

= 6 + 5

= 11 °C

Hope it helps you in your learning process.

8 0
2 years ago
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Which choice is equivalent to the quotient shown here when x is greater than or equal to 0?
Dima020 [189]

Answer: OPTION C

Step-by-step explanation:

Remember that:

\sqrt[n]{a^n}=a

And the Product of powers property establishes that:

a^m*a^n=a^{(mn)}

Rewrite the expression:

\frac{\sqrt{18x} }{\sqrt{32} }

Descompose 18 and 32 into their prime factors:

18=2*3*3=2*3^2\\32=2*2*2*2*2=2^5=2^4*2

Substitute into the expression, then:

\frac{\sqrt{(2*3^2)x} }{\sqrt{2^4*2} }

Finally,simplifying, you get:

\frac{3\sqrt{(2)x} }{2^2\sqrt{2} }=\frac{3\sqrt{2x}}{4\sqrt{2}}=\frac{(3)(\sqrt{x})(\sqrt{2})}{(4)(\sqrt{2})}= \frac{3\sqrt{x}}{4}

8 0
3 years ago
Haley had 2 blue marbles, 2 red marbles, and 4 green marbles. She gave 1 4 of her marbles to Amy and 2 4 of her marbles to Sue.
Umnica [9.8K]
The amount is 6.
Hope you have a nice day.

7 0
3 years ago
The period of a periodic function is 8 s . How many cycles does it go through in 30 s ?
kap26 [50]

The number of cycles of the periodic function is 3.75 cycles if the period of a periodic function is 8 s option (G) 3.75 is correct.

<h3>What is a function?</h3>

It is defined as a special type of relationship, and they have a predefined domain and range according to the function every value in the domain is related to exactly one value in the range.

It is given that:

The period of a periodic function is 8 s

From the question:

8n = 30

n = 30/8

n = 3.75 cycles

Thus, the number of cycles of the periodic function is 3.75 cycles if the  period of a periodic function is 8 s option (G) 3.75 is correct.

Learn more about the function here:

brainly.com/question/5245372

#SPJ1

7 0
1 year ago
HELP ME OUT PLEASE!!!!
vodka [1.7K]

Answer:

(3,-4)

Step-by-step explanation:

There is a graphing calculator called desmos that can help you answer questions like this, but, if you don't want to use that, you can just make a graph and imagine the transformation. Remember, when you reflect something over an axis, it is like you are folding the graph along the axis and your new point will be on the other side.

5 0
2 years ago
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