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2 years ago

Is 4 to 7 the same as 7 to 4 and why or why not

Mathematics

1 answer:

podryga [215]2 years ago

8 0

Answer:

Step-by-step explanation:

4 to the 7th power is 4x4x4x4x4x4x4 (4 multiplied by itself 7 times) And 7 to the 4th power is 7x7x7x7 (7 multiplied by itself 4 times)

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A car advertisement claims that a certain car can accelerate from rest to 70 km/hr in 7 seconds find the car acceleration

iVinArrow [24]

Answer:

acceleration $\approx 2.78\,\,\frac{m}{s^2}$

Step-by-step explanation:

The acceleration is the change in velocity per unit of time.

Therefore to have this rate in appropriate units that can combine, we re-write the change from 0 to 70 km/h in meters per second using:

$70 \frac{km}{h} = \frac{70000}{3600} \frac{m}{s}$

so in this case the acceleration becomes:

$accel=\frac{change\,\,vel}{change\,\,time} =\frac{70000m}{3600\,*7\,s^2} \approx 2.78\,\,\frac{m}{s^2}$

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2 years ago

How many hours is 11:45 am to 1:00 pm?

Ratling [72]

1 hour and 15 minutes
hope it helped you

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3 years ago

What is the opposite of the opposite of -1.4?

sattari [20]

Answer: -1.4

The opposite of -1.4 is 1.4; you flip from negative to positive.

Then taking the opposite of 1.4 gets us back to -1.4 again

Effectively the two opposites cancel out and nothing changes.

7 0

3 years ago

Read 2 more answers

What is another way to write the time "quarter till 8"?

vesna_86 [32]

Answer:

7:45

Step-by-step explanation:

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2 years ago

Which of the following must be true?

galben [10]

Answer:

answer is B because in the property of parallelogram it says ad is parallel to bc

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2 years ago