All categories

3 years ago

How much time will Alex need to walk to his school, which is 2 1/4 miles away from his house, if he would walk with the speed of

Mathematics

2 answers:

Stella [2.4K]3 years ago

8 0

Answer:

it would take 3/5 of an hour or 0.6 as a decimal

Step-by-step explanation:

3 3/4 divided by 2 1/4 is 3/5 or 0.6

Roman55 [17]3 years ago

6 0

Answer:

it would take 3/5 of an hour or 0.6 as a decimal

Step-by-step explanation:

3 3/4 divided by 2 1/4 is 3/5 or 0.6

Hope this helped!

You might be interested in

A briefcase has a three- digit lock code that doesn't include zero as a digit. What is the probability that the lock code consis

storchak [24]

Answer:

1/21.

Step-by-step explanation:

There are 9 digits and the total number of permutations of 3 from 9 is 9P3

= 9!/6! = 504.

There are 4 even digits so the number of permutations of 3 from these 4 is 4! (4-3)! = 4*3*2 = 24.

So the required probability = 24/504

= 1/21.

5 0

3 years ago

Write an expression. That is the equivalent to 3/5 (3y + 15)

OlgaM077 [116]

9y/5 +5

Im sorry dont have an expression but i hope i got it right

4 0

3 years ago

Apply the distributive property to factor out the greatest common factor.

Tanzania [10]

I’m pretty sure it’s 86, because you need to subtract 2 from the first side then you have 86 = X

5 0

2 years ago

Find the 90 th derivative of the function ƒ(x)=cos(x)

Inessa [10]

F(x) = cos x
f'(x) = -sin x
f''(x) = -cos x
f'''(x) = sin x
f''''(x) = cos x

90/4 = 22 Remainder 2
Therefore, 90th derivative of f(x) = cos x is -cos x.

5 0

3 years ago

At a speed of 22 revolutions per minute, how long will it take a wheel of radius 10,

Bogdan [553]

Well, if the radius is 10, then the circumference is $\frac{2*10*22}7=\frac{440}7$
What's the unit? Either way, 22 rev. per minute means each minute you go by $22*\frac{440}7=\frac{9680}7$ units per second. Now you got the linear speed, just find out the time by dividing the distance by the speed!
So, what's the unit for the radius?

5 0

3 years ago