Expression of a variable from the formula - practice for 11 year olds - page 5 of 16
Number of problems found: 317
- Rectangle 64194
The rectangle has an area of 126 cm². The size of one side of the rectangle is 12 cm. Calculate the perimeter of the rectangle in cm. - Block-shaped 60983
The block-shaped aquarium is 40 cm high and has a volume of 80 l. What area in m² will it occupy on the shelf on which it is built? - Parallelogram 60483
The area of the parallelogram is 10.24 m2, and its side is 25.6 m. Find the height to this side. - Which 7
Which choice is NOT equivalent to the following expression? 9 x { [ 14 ÷ 2 + (4-1) ] - 8 } A 9 x { 10 - 8 } B 9 x { [ 14 ÷ 2 + 3] - 8 } C 9 x 10 - 8 D 18
- Evaluate 19
Evaluate expression (-8-b)+6c if b=-5 and c=2 - Spruce
A massive storm broke the top of fifteen-meter spruce so that it remained hanging along the rest of its trunk. The distance of this hanging top from the ground was 4.6 m. At what height was the spruce trunk broken? - Ralph
Ralph has three bulldogs. One weighs 16 1/4 kilos, the other 12 3/5. Suppose the total weight of the three dogs is 45 10/20. What is the weight of the third dog? - The expression
What is the value of the expression ((6²+60))/(23) - Dimension 54741
Column block shape dimension a = 25cm, b = 20cm, and volume 20dm³. Determine the height.
- When 5
When five is subtracted from both my numerator and denominator, I become 3/4. What fraction am I? - Evaluate expr with 2 vars
If a=6 and x=2, find the value of (2ax + 7x- 10) /(4ax-3a-2) - Value of the expression
If x=4 and y=-3, what is the value of the expression x² + 2xy - 4x + 3y + y²? - A rectangular 3
A rectangular plot of land has an area of 3/2 square kilometers and a length of ¾ kilometer. What is the width of the plot of land? - Maya is
Maya is 14 years old. Her brother Jorge is three years more than half her age. Which of the following is the correct expression for Jorge's age?
- Distributive property
Verify the distributive property a×(b+c)=(a×b)+(a*c) for the rational number a=5/8, b=7/4 and c=2/3 - Tank B
Tank B has the same volume as Tank A. The volume of one section of Tank B is 4545 cubic feet. What is the volume, in cubic feet, of the other section of Tank B? Total volume of both tanks A+B is 15000 ft³. Enter your answer in the box. - The two
The two angles of a triangle are 78° and 82°. So, what is the measure of the remaining third angle? - Two numbers and its product
The product of two numbers is 2/3. If one of them is 1/10, what is the other? - A dumpster
A dumpster is shaped like a rectangular prism. It has a width of 8 feet, a height of 5 feet, and a volume of 880 cubic feet. What is the length of the dumpster?
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