All categories

3 years ago

A car travels 41 km in 31 minutes.

Mathematics

2 answers:

Oksi-84 [34.3K]3 years ago

6 0

Answer:

79.4KM/HR

Step-by-step explanation:

S=D/T

S=41km/31 min 31/60

S=79.4 KM/HR

My name is Ann [436]3 years ago

5 0

Answer: 1.30 every km

Step-by-step explanation:

to find the speed per km, you do 41 divided by 31.

41/31= 1.30 per km (rounded)

You might be interested in

6. The population of wolves is currently 250 in a forest. Scientists estimate that there should be a

prisoha [69]

Answer:

275

Step-by-step explanation:

250÷10=25 250+25=275

7 0

3 years ago

Which statement is true?

Elenna [48]

Answer:

90.7 > 9.008

Step-by-step explanation:

6 0

3 years ago

Read 2 more answers

Arliss has two pieces of carpet runner. One is yards long and the other is yards long. She needs 10 yards of carpet runner altog

Alekssandra [29.7K]

Given:
10 yards required
5 2/3 yards on hand.

We need to subtract the yards on hand from the total yards required.

First, we need to convert the mixed fraction into an improper fraction.

5 2/3 = ((5*3)+2)/3 = (15+2)/3 = 17/3

Second, we need to multiply 10 by a fraction that will give us the denominator of 3.

10 * 3/3 = (10*3)/3 = 30/3

Third, we do subtraction using our derived fractions.

30/3 - 17/3 = (30-17)/3 = 13/3

Lastly, we simplify the improper fraction. Improper fraction is a fraction whose numerator is greater than its denominator. Its simplified form is a mixed fraction.

13/3 = 4 1/3

Arliss needs to buy 4 1/3 yards more to complete the required yard length.

6 0

3 years ago

Read 2 more answers

What is 7.3 x 10 to the 2nd power

fredd [130]

7.3 * 10^2= 730. Just move the decimal two laces to the right.

6 0

3 years ago

Read 2 more answers

Please Help Me! I will give all my point to who ever answers my question!!!

love history [14]

Step-by-step explanation:

The equation that is given is only for the specific place of that object. To find the velocity, you need to take the derivative of the equation. This will give you:

$V=2+\frac{1}{2} t$

Now, to find the average velocity of this object, plug in the values given to you. It's between the time interval [1, 2] so these are the two numbers you'll plug into the velocity equation. Finding this average is like finding any other average.

$V(1)=2+\frac{1}{2} (1)\\V(1)=2+\frac{1}{2}=\frac{5}{2}\\V(2)=2+\frac{1}{2}(2)\\V(2)=2+1=3$

$V_{avg}=\frac{3-\frac{5}{2} }{2-1} \\V_{avg}=\frac{\frac{6}{2}-\frac{5}{2} }{1} \\V_{avg}=\frac{1}{2}$

Average velocity is 0.5 sec

To find instantaneous velocity just find the velocity at time one. Think about the name "instantaneous velocity," it's the velocity in that <u>instant</u>.

We already found this, so I don't need more work (it's displayed above).

The instantaneous velocity when $t=1$ is 2.5 sec.

3 0

3 years ago