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3 years ago

6

WHATS THE AREA HELP ME PLEASE I DONT KNOW

1 answer:

AnnZ [28]3 years ago

6 0

Step-by-step explanation:

parallelogram area is base multiplies by height. good luck

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A car is driving at 65 kilometers per hour. How far, in meters, does it travel in 5 seconds?

garri49 [273]

Answer:

90 m

Step-by-step explanation:

65 km = 65000m

1 hour = 3600 secs

speed in meters = 65000/3600

= 18 m / sec

Distance traveled in 5 secs = 18*5

= 90 m

5 0

3 years ago

Two of the lights at the local stadium are flickering. They both just flickered at the same time. One of the lights flickers eve

irinina [24]

1,665
because 777+888 = 1,665

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3 years ago

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A train slows down as it rounds a sharp horizontal turn, going from 92.0 km/h to 54.0 km/h in the 16.0 s that it takes to round

Mnenie [13.5K]

Calculation of centripetal acceleration(ac):

$a_c=\frac{v^2}{r}$

we can change our speed in terms of m/s

$v=54km/h=54*\frac{1000}{3600} m/s$

now, we can plug these values

$a_c=\frac{(54*\frac{1000}{3600})^2}{130}$

$a_c=1.73077m/s^2$

Calculation of tangential acceleration(at):

$a_t=\frac{\Delta v}{\Delta t}$

now, we can plug values

$a_t=\frac{(54-92)*\frac{1000}{3600} }{16}$

now, we can simplify it

$a_t=-0.65972 m/s^2$

Calculation of resultant acceleration:

$a=\sqrt{(a_c)^2+(a_t)^2}$

now, we can plug values

$a=\sqrt{(1.73077)^2+(-0.65972)^2}$

$a=1.85224m/s^2$ .............Answer

4 0

3 years ago

WILL GIVE BRAINLIEST!!!!!!

Liula [17]

Answer:

I think it might be B.

Step-by-step explanation:

If not sorry plz mark brainliest if right

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3 years ago

Help on this question it’s for khan academy ☹️☹️ pls

Hunter-Best [27]

Answer:

8

Step-by-step explanation:

80^2=8^2+x^2

80-64=x^2

16=x^2

x=4

4+4=8

7 0

2 years ago

Read 2 more answers