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BlackZzzverrR [31]
3 years ago
14

A tractor-trailer travels 205.296 miles in 3.12 hours. What is the speed at which the tractor-trailer is traveling? 62.05 miles

per hour
Mathematics
2 answers:
Makovka662 [10]3 years ago
8 0
65.8mph hope it helps
Maru [420]3 years ago
7 0

Answer: 65.8 miles per hour


Step-by-step explanation:

Distance traveled by a tractor-trailer=205.296 miles

Time taken to travel the distance=3.12 hours

We know that speed=\frac{\text{Distance}}{\text{Time}}

\Rightarrow\text{Speed}=\frac{205.296}{3.12}\\\\\Rightarrow \text{Speed}=\frac{205596}{3120}

Dividing 205596 by 3120, we get 65.8

Thus Speed= 65.8 miles per hour

Therefore, the tractor-trailer is traveling with a speed of 65.8 miles per hour.

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A preschool teacher has 17.5 feet of yarn for her students to make necklaces to raise money for a local animal shelter each neck
Scorpion4ik [409]
17.5x12=210
210 divided by 14=15
15x2.50=37.5
37.5
17.5 is feet so you need to divide by 12 for inches which gets 210 and you need each necklace to be 14 inches so you need to divide 210 by 14 which is 15 each necklace costs 2.50 so you multiply 2.50x15
You get 37.5
7 0
2 years ago
I NEED HELP ASAP PLZ!! The ratio of boys to girls in Janice’s classroom is 3:5, and there are a total of 32 students in the clas
alexira [117]

Answer:5.5

Step-by-step explanation:

You take the ratio divide then multiply by 2

3 0
2 years ago
Read 2 more answers
7. Newton buys a board game for $9.99
miv72 [106K]

Answer: Hello, there!  Your Answer is Below^^

7.O2 Would be The Correct Answer.

Step-by-step explanation:

So I Subtracted 20 - 12.98 And Got the Answer $ 7.02

To Add Or subtract Decimals Here's what you can do to find your Answer

Line up the numbers vertically so that the decimal points all lie on a vertical line.  

Add extra zeros to the right of the number so that each number has the same number of digits to the right of the decimal place. Step 3: Subtract the numbers as you would whole numbers.

<em>Hope this Helps!!</em>

<em> Have a great day!!!</em>

7 0
3 years ago
Kyle competes in 100 m wheelchair races. Hel
Archy [21]

Answer:

0.5s

Step-by-step explanation:

His initial mean would be calculated by:
His minimum race time = 19.8s

The maximum race time = 19.8 + 5.6 = 25.4s

Since the mode is also 25.4, there are 2 25.4s races.

Since the median is 23.8s and the number of race times is even, the final race time can be calculated by:

25.4- 23.8s = 1.6s

23.8-1.6 = 22.2s

So the race times are 19.8s, 22.2s, 25.4s and 25.4s.

This means that his initial mean was (19.8+22.2+25.4+25.4)/4 = (42+50.8)/4= 92.8 /4 = 23.2s

With the new race time, the equation will change to (92.8+25.7)/(4+1)= 118.5/5= 23.7s

So the mean change would be 23.7 - 23.2 = 0.5 s.

Hope this helps!

5 0
2 years ago
And can anyone do this?!!
Annette [7]

a. The interest earned will be $36.

b. The account balance will be $336.

Step-by-step Explanation:

Step 1:

The initial amount put into the account was $300.

This account has an interest rate of 4% every year. So we must calculate how much 4% of $300 is.

4% of $300 = \frac{4}{100} (300) = 0.04 (300) = 12.

Step 2:

So for every year, the interest of $12 is added into the account. To calculate total interest we multiply this interest amount and the number of years.

So after 3 years = 3(12) = 36.

So account balance after 3 years 300+36 = 336.

So the interest earned is $36 and the account balance is $336 after three years.

6 0
3 years ago
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