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tankabanditka [31]
3 years ago
5

Happy thanksgiveing <3

Mathematics
1 answer:
kupik [55]3 years ago
7 0

Answer:

ty!

Step-by-step explanation:

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1) A cyclist travels a distance of 90 miles in 5 hours. What
Nostrana [21]

Answer:

Step-by-step explanation: <u>Speed</u> is distance an object travelled per unit time.

It is represented by letter v and can assume various units.

1) v=\frac{distance}{time}=\frac{d}{t}

v=\frac{90}{5}

v = 18 miles per hour

Her average speed is 18 mph.

2) Rearraging formula for distance:

d = v.t

d = 70 * 4

d = 280 miles

You would travel 280 miles.

3)  v=\frac{d}{t}

v=\frac{315}{6}

v = 52.5 mph

My average speed is 52.5 mph.

4) Rearranging formula to determine time:

t=\frac{d}{v}

t=\frac{210}{90}

t = 2.34 hours

It will take 2 hours and half to arrive in Leeds. So, we will be expected to arrive at 12:04.

5) The unit change but the way of calculating time is the same.

t=\frac{2000}{4}

t = 500 s

or t = 8.34 minutes

It will take, for an athlete to run 2000m, 8.34 minutes.

6) a) All units must match, so for a speed in mph:

45 minutes is 0.75 hours. Total time is 8.75 hours.

v=\frac{420}{8.75}

v = 560 mph

The average speed is 560 mph.

b) t=\frac{d}{v}

t=\frac{420}{63}

t = 6.67 hours

Sam will take 6.67 hours to covered the distance.

4 0
2 years ago
How do you solve this ? what do you do with the exponets ?
antiseptic1488 [7]
4/7 is the answer. 

I cant reall explain becuase it will take forever xD
6 0
2 years ago
Read 2 more answers
Rationalize the denominator and simplify.<img src="https://tex.z-dn.net/?f=15%20%5Csqrt%7B6%7D%2F3%20%5Csqrt%7B5%3Cbr%3E%0A" id=
Bumek [7]
(15√6 / √5)

<span>(15√6/√5) *(</span>√5/√5)

(15*√6*√5)/(√5*√5)

15*√30 / 5

3√30
3 0
3 years ago
Write a rule for the linear function whose graph has slope m and contains the given point. m = 3; (-2, -2)
gregori [183]

Answer:

Step-by-step explanation:

y+2 = 3 * (x+2)

3 0
3 years ago
please help me answer this math question 10 points to whoever helps me (the last of my points) thank youuu!!
vfiekz [6]
Any quadrilateral has sum of all angles equal 360⁰.
So,
m∠D+78+91+90=360
m∠D=360-(78+91+90)=101⁰
Answer is A.
3 0
3 years ago
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