35/4 square meters by 7/2 meters

Answers

Answer 1
Answer: Area = 35/4  m²

Length = 7/2 m

Area =  length * width

35/4 =  7/2 * width

7/2 * width = 35/4

width = 35/4 ÷ 7/2

width = 35/4  × 2/7 = 5/2

Width = 5/2 m

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Colby wants to set square tiles on the top of a wooden box. The top of the box is a rectangle 7 1/2 inches long and 5 1/2 inches wide.a. How many 1/2 inch tiles would Colby need to cover the top of the wooden box?
b. How many 1/4 inches tiles would Colby need to cover the top the wooden the box?

Answers

area of a rectangle is l x w 7.5 x 5 = 37.5 in^2 each tile is 1/2 or ,5 37.5/.5= 75 of the 1/2 in tile the 1/4 in tile would need twice as much therefore 150

What is a word phrase for the expression r-31

Answers

The difference of r and 31.
the  difference between r and 31

Susan rode her bike 30 kilometers in 2.5 hour. How fast did she ride her bike in kilometers per hour

Answers

The answer is 12. All you had to do was divide. 
So, 30 divided by 2.5 equals 12.
I hope this helps!
speed= distance : time
= 30 : 2.5
= 12

answer: 12 km/h

30 pts Johnna is cooking a roast that says, "Cook to 160°F." What is the Celsius equivalent of this temperature? A) 65° B) 71° C) 81° D) 91°

Answers

B) 71 degrees celcius
You can use this equation to convert from Fahrenheit to Celsius:

C=(F-32)*(5/9)
C=Celsius degrees 
F=Fahrenheit degrees

Just plug in 160 for F and solve for C
C=(160-32)*(5/9)
C=128*(5/9)
C=71.11° repeating

Hope this helps

Split 2.50 into the ratio 3:2

Answers

3+2=5

2.50=5 units
divide by 5
0.5=1 unit

3:2
3 times 0.5=1.5
2 times 0.5=1

split is 1.5:1

the area of a library tabletop is 27 1/8 square feet. The table is 3 1/2 feet wide. What is the length of the table ?

Answers

27⅛ ÷ 3½

in my opinion, turning it into a decimal is easier

27 ⅛ = 27.125
3 ½ = 3.5

so.....
27.125 ÷ 3.5 = 7.75 which is also 7 ¾

Final answer:

To find the length of the table, multiply the area by the reciprocal of the width. Convert the mixed number to an improper fraction and then solve the equation. Simplify the resulting fraction, if possible.

Explanation:

To find the length of the table, we can use the formula for the area of a rectangle, which is length multiplied by width. In this case, we are given the area of the table as 27 1/8 square feet and the width as 3 1/2 feet. So, we can set up the equation: 27 1/8 = length × 3 1/2.

First, we need to convert the mixed number 27 1/8 to an improper fraction. Multiply the whole number (27) by the denominator (8) and add the numerator (1), then write the result over the denominator: 27 × 8 + 1 = 217/8.

Now we can solve the equation: 217/8 = length × 3 1/2. To isolate the variable, we can multiply both sides of the equation by the reciprocal of 3 1/2, which is 2/7. This cancels out the fraction on the right side, giving us: length = (217/8) × (2/7).

To multiply fractions, we multiply the numerators together and the denominators together: length = (217 × 2) / (8 × 7) = 434/56. This fraction can be simplified by dividing both the numerator and denominator by their greatest common factor, which is 2: length = 217/28.

So, the length of the table is 217/28 feet.

Learn more about Length of a table here:

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