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Rudik [331]
3 years ago
15

2) I also need help with this too

Mathematics
1 answer:
NISA [10]3 years ago
3 0

Answer:

h=65 ans

Step-by-step explanation:

h=16(t-1\4)(t-1\4)+49

h=16+49

h=65 ans

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2 plus 2 is__________________________________
Nina [5.8K]

Answer:

My boy or girl everyone know that its 4

Step-by-step explanation:

5 0
3 years ago
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A train travels 250 km with a average speed of 75 km/hr and 350 km with 70km/hr and 200 km with average speed of 30km/hr. What w
pentagon [3]

Answer:

53 1/3 km/h

Step-by-step explanation:

average speed = (total distance)/(total time)

average speed = distance/time

time * average speed = distance

time = distance/(average speed)

250 km at 75 km/h

distance = 250 km

time = (250 km)/(75 km/h) = 3.33333... hours

350 km at 70 km/h

distance = 350 km

time = (350 km)/(70 km/h) = 5 hours

200 km at 30 km/h

distance = 200 km

time = (200 km)/(30 km/h) = 6.6666...  hour

total distance = 250 km + 350 km + 200 km = 800 km

total time = 3.33333... hours + 5 hours + 6.66666... hours = 15 hours

average speed = (total distance)/(total time)

average speed = (800 km)/(15 hours)

average speed = 53 1/3 km/h

3 0
2 years ago
3(y-1)=y-11 plz solve this equation with explaination
stellarik [79]
3(y-1)=y-11

Distribute:
3y - 1 = y- 11

Add 11 to both sides

3y - 12 = y

subtract 3y on both sides

-12 = -2y

Divide by 2y

y= 6
3 0
2 years ago
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The amoebas on a petri dish is doubling every 5 minutes. If there are currently 8 amoebas on the dish, how many will there be in
pychu [463]

Answer:

32,768.

Step-by-step explanation:

There are 12 lots of 5 minutes in 1 hour.

The equation  is 8*(2^12)

= 8 * 4096

= 32,768.

3 0
2 years ago
Christine bakes 4 dozen cookies in an hour. How many dozen cookies does she bake in 3.5 hours?
Paladinen [302]

Answer:

14 dozen

Step-by-step explanation:

multiply 4x3.5=14

7 0
3 years ago
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