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3 years ago

How many hours did hector run during week 1?

Mathematics

1 answer:

vesna_86 [32]3 years ago

8 0

Well 1 and 6/12 add 2 and 6/12 gets a total of 4 full hours add this to the 1 and 9/12 this gets 5 and 9/12 60 min /12 is 5 min per part so 5x9 is 45 therfore he ran 5 hour 45 min

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What times what gives me 234 and what plus what gives me 31

shusha [124]

Answer:

2*127=234

30+1

29+2

28+3

27+4

26+5

25+6

24+7

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20+11

19+12

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Step-by-step explanation:

there are multiple answers to what plus what gives me 31 and what times what gives me 234

3 0

3 years ago

1. Five more than three times a number is sixty- five.

allsm [11]

1)
Let unknown number be x
3x + 5 = 65
3x = 60
x = 20

Therefore, unknown number is 20.

4 0

3 years ago

Read 2 more answers

Consider the number line of x > 28 which numbers are solutions of the inequality

Gelneren [198K]

Answer:

D and E because they are bigger than 28. C is 28 but there isn't a greater OR EQUAL sign next to it

8 0

3 years ago

Tom throws a ball into the air. The ball travels on a parabolic path represented by the equation , where represents the height o

tigry1 [53]

Answer:

2.5 second

Step-by-step explanation:

The equation is missing in the question.

The equation is, $h=-8t^2+40t$ , where 'h' is the height and 't' is time measured in second.

Now we know to reach its maximum height, h in t seconds, the derivative of h with respect to time t is given by :

$\frac{dh}{dt} =0$

Now the differentiating the equation with respect to time t, we get

$\frac{dh}{dt}=\frac{d}{dt}(-8t^2+40t)$

$\frac{dh}{dt}=-16t+40$

For maximum height, $\frac{dh}{dt} =0$

So, $-16t+40=0$

$\Rightarrow 16t=40$

$\Rightarrow t=\frac{40}{16}$

$\Rightarrrow t = 2.5$

Therefore, the ball takes 2.5 seconds time to reach the maximum height.

7 0

3 years ago

What is the volume of a rectangle with 21, 7, and 3

LiRa [457]

Answer:

441

Step-by-step explanation:

5 0

3 years ago