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3 years ago

.A car covers a distance of 205.5 km in 1.5 hours. What is the distance

Mathematics

2 answers:

Nuetrik [128]3 years ago

8 0

Answer:

Step-by-step explanation:

Nastasia [14]3 years ago

3 0

Step-by-step explanation:

in 1 hour => can cover 1/1.5 × 205.5 = 137 km

in 4 hours => can cover 4 × 137 = 548 km

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The area of a square is decreasing at a rate of 43 square inches per second. At the time when the side length of the square is 7

Sergio039 [100]

Answer:

26.230 Inches per second.

Step-by-step explanation:

Since, Area of square is decreasing at the rate of 43 square inches per second And area is directly proportional to square of the side , So

Its side will be decreasing at the rate of $\sqrt{43}$ inches per second .

Now,

Perimeter of square is directly proportional to 4 times of the side of the square.

so Perimeter of square will be decreasing at the rate of 4× $\sqrt{43}$

After rounding off to three decimal places we will get 26.230 Inches per second.

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3 years ago

Henry and 28 classmates are going to the roller skating rink. each van can hold 11 students . If all of the van are full except

lawyer [7]

you divide 29:11= 2 7/11

so you have 2 full vans and one with 7 students.

so yes the answer is 7

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3 years ago

Read 2 more answers

Click on the correct answer.

Margaret [11]

Answer:

Step-by-step explanation:

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3 years ago

consider the line y=2/3x-0 find the equation of the line that is parallel to this line and passes through the point(8, 4).

Mila [183]

To find the equation take the slope 2/3 y-y(1)=m(x-x(1) y-4=2/3(x-8) = 2/3x-16/3 Next solve for y y=2/3x-16/3 +4(turn 4 into a fraction with a common denominator) y=2/3x-16/3 + 12/3 y=2/3x-4/3

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3 years ago

Find two numbers, both smaller than 150, that have a lowest common multiple of 882 and a highest common factor of 21.

GenaCL600 [577]

Answer:

42 and 21

Step-by-step explanation:

Just divide 882 by 21 to get 42

3 0

2 years ago