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3 years ago

Snow is piling outside Cameron's house. He decides to measure the rate at which the height of the pile increases over time.

Mathematics

2 answers:

Mekhanik [1.2K]3 years ago

6 0

The answer is C.) meters per hour

GrogVix [38]3 years ago

3 0

Answer:

answer c

meters per hour

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two planes, which are 1965 miles apart, fly toward each other. their speeds differ by 55mph. if they pass each other other in 3

Alexus [3.1K]

The speed of the planes are 300 miles per hour and 355 miles per hour.

<u>Solution:</u>

Given, Two planes are 1965 miles apart, flying toward each other.

Their speeds differ by 55 mph.

They pass each other in 3 hours,

We have to find what is the speed of each?

Let the speed of 1st plane be s miles per hour, then speed of the other plane will be s + 55 miles per hour.

And, distance travelled by 1st plane be d, then distance travelled by other plane will be 1965 – d miles

Now, we know that, distance = speed $\times$ time

So, for 1st plane ⇒ $\mathrm{d}=\mathrm{s} \times 3$

For 2nd plane ⇒ $1965-d=(s+55) \times 3$

By using 1st plane equation

1965 – 3s = 3s + 165

1965 – 165 = 3s + 3s

6s = 1800

s = 300

So, speed of 1st plane is 300 miles per hour, then speed of 2nd plane will be 300 + 55 = 355 miles per hour.

Hence, the speed of the planes are 300 miles per hour and 355 miles per hour.

4 0

4 years ago

Can anyone please help me on at least one of them or all that will be lovely thank you

galben [10]

Answer:

Step-by-step explanation:

1. 6*6 + 6*12

= 36 + 72

= 108.

2. 3*5 + 3*5 + 3*14

= 15 + 15 + 42.

= 72.

3. 10*4 + 1/2 * 4*4

= 40 + 8

= 48.

4. 12*6 + 1/2 * 12 * 3

= 72 + 18 = 90.

6 0

3 years ago

I NEED HELP BEFORE 1:20 P.M!

AlekseyPX

Answer: She is not correct because that is a dependent statement.

We do not know Monday or Tuesday’s high temperature, therefore we do not know whether Monday or Tuesday’s temperature is colder than the other’s.

But, we do know that Tuesday’s high temperature is higher than Monday’s, so we know Monday’s high is cooler than Tuesday’s

8 0

3 years ago

geraldo is going to paint the interor walls of the lobby of the local history museum.the room is 40 ft by 60 ft.its height is 16

maks197457 [2]

Since the dimensions are 40 ft by 60 ft, and 16 ft high, I assume the floor of the room is shaped like a rectangle.
Each wall is a rectangle. Two walls measure 40 ft by 16 ft, and two walls measure 60 ft by 16 ft.

lateral area = 40 ft * 16 ft * 2 + 60 ft * 16 ft * 2

lateral area = 1280 ft^2 + 1920 ft^2

lateral area = 3200 ft^2

3 0

4 years ago

Find the equivalent expression 12a+6b

algol [13]

Answer:

The eqn is incomplete but to simplify we get

6(2a+b),,,no further

6 0

4 years ago