# Expression of a variable from the formula - math problems

#### Number of problems found: 1154

- Solve:

Solve: 2r^{2}+7r-r^{2}-9 - Temperatures

Temperatures in degrees Fahrenheit and Celsius are related by the rule F = 1.8C + 32. What is the temperature in degrees Celsius if it is 50°F? - The expression

What is the value of the expression ((6^{2}+60))/(2^{3}) - The width

The width of a rectangular garden is 4 m less than the length. If the area of a rectangular garden is 96 square meters, what is the dimension of the garden? - Given 2

Given g(x)=x^{2}+x+1 where x=t^{2}. What is g(t²)? - Semicircle

The ornament consists of one square and four dark semicircles. The area of the square is 4 cm ^ 2. Find the area of one dark semicircle and round the result to hundreds. - The isosceles

The isosceles trapezoid ABCD has bases of 18 cm and 12 cm. The angle at apex A is 60°. What is the circumference and content of the trapezoid? - Insert

Insert five numbers between 8 and 27 such numbers that, with two given ones, they form the first seven members of the geometric sequence. - The product 3

The product of the two numbers is 15 ⁵/₆. If one of the numbers is 5 ²/₃, find the other. - When 5

When 5 is subtracted from both my numerator and denominator I become 3/4. What fraction i am? - A trapezoid 3

A trapezoid ABCD has the bases length of a = 120 mm, c = 86 mm and the area A = 2,575 mm^{2}. Find the height of the trapezoid. - Evaluate expr with 2 vars

If a=6 and x=2, find the value of (2ax + 7x- 10) /(4ax-3a-2) - Trapezoids

In the isosceles trapezoid ABCD we know: AB||CD, |CD| = c = 8 cm, height h = 7 cm, |∠CAB| = 35°. Find the area of the trapezoid. - Diagonals of rhombus

Find a length of the diagonal AC of the rhombus ABCD if its perimeter P = 112 dm and the second diagonal BD has a length of 36 dm. - One of

One of the internal angles of the rhombus is 120° and the shorter diagonal is 3.4 meters long. Find the perimeter of the rhombus. - A perimeter

A perimeter of a parallelogram is 2.8 meters. The length of one of its sides is equal to one-seventh of the entire perimeter. Find lengths of the sides of the parallelogram. - The ratio 4

The ratio of two number is 5:4 if 40% of the first number is 12, what will be 50% of the second number? - Perimeter to area 2

Find the area of a square whose perimeter is 100 cm with solve. - If x=4

If x=4 and y=-3, what is the value of the expression x² + 2xy - 4x + 3y + y²? - Cost structure

You are currently trying to decide between two cost structures for your business: one that has a greater proportion of short-term fixed costs and another that is more heavily weighted to variable costs. Estimated revenue and cost data for each alternative

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