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3 years ago

A car travels 299 miles in 5 hours and 45 minutes. How many miles does it travel per hour?

Mathematics

1 answer:

kirill [66]3 years ago

7 0

Answer

= speed = distance/time

5 hour and 45 min= 5.75hours

Speed = 299/5.75

Final answer Speed = 52miles per hour

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Joan went to the bookstore. At

kiruha [24]

Answer:

$\frac{1}{4}$ of the books in the book store are mystery fiction books.

Step-by-step explanation:

Let x represent all the books in the books store.

Then, the fraction of books that are fiction books is $\frac{3}{4}x$

We have that; $\frac{1}{3}$ of the fiction books are mystery books.

The fraction of the books at the bookstore that are mystery fiction books is $\frac{1}{3}\times \frac{3}{4}x=\frac{1}{4}x$ .

Therefore $\frac{1}{4}$ of the books in the bookstore are mystery fiction books.

8 0

3 years ago

A bag contains 5 red marbles , 2 blue marbles, 4 white marbles, and 1 yellow marble. if 2 marbles are chosen in a row , without

slega [8]

P of 1st white marble = 4/ 12

and P of 2nd white in a row = 3 /11

total = ( 4/12) * ( 3/11)
= 1/11

hope it helped

8 0

3 years ago

Solve for the indicated variable.<br><br> 2a + 2b = c for b<br><br> B = ?/?

kodGreya [7K]

Answer:

b = c − 2a

------------

Step-by-step explanation:

2a + 2b = c

2b = c − 2a

b = c − 2a

------------

7 0

3 years ago

6. A surveyor walks the perimeter of a piece of government land. He notes that the area of the land

Vlada [557]

Answer:

A) l = w + 900

B) l * w = 4,000,000

B) l = 4,000,000 / w putting this into A)

A) 4,000,000 / w = w + 900

A) 4,000,000 = w^2 +900 w

A) w^2 +900 w - 4,000,000

Solving by quadratic formula

width = 1,600 length = 2,500

Double-Check

1,600 * 2,500 = 4,000,000

Length = width + 900

2,500 = 1,600 + 900

Answer is okay

Step-by-step explanation:

8 0

3 years ago

Which expression is equivalent to:

Paul [167]

B.) 10x-5 is equivalent to 6x – 5 + x + 3x

4 0

3 years ago