1,081 Answered Questions for the topic Equations

Equations Chemistry Solutions

05/17/21

What mass of copper will be produced from 250 mL of a 0.8 M copper (II) chloride solution?

Equations would be greatly appreciated, biggest problem is that I've forgotten them and we're doing a year review.
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Equations Trigonometry Maths

05/11/21

Trigonometry equations
Solve 6sin^2 theta +7cos theta -8 =0 for 0 degrees smaller than or equal to theta smaller than or equal to 360
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Equations Fractions

05/10/21

Asap plz I know you saw this
Joel works at the local pizza parlor. When he works overtime he earns 1¼ times the normal rate.One week Joel worked for 40 hours at the normal rate of pay and also worked 12 hours overtime. If Joel... more
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Equations

04/25/21

Translate the sentence into an equation

Three more than the quotient of a number and 5 is equal to 7
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04/13/21

How do I solve this equation below using the matrix method, 6x + 8y = 1 && -3x -4y = -0.5?
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Equations Exponents

03/29/21

How do I solve? 3^(x-1) - 4 + 1/3^× =0
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Equations Word Problems

03/28/21

Melissa is choosing a cellphone plan and wants the lowest monthly cost. Telus charges $12 per month plus $0.05 per minute for cellphone service. Koodo charges $22 per month for unlimited minutes.
Write an equation representing the total monthly cost for each cellphone service.Please help me as soon as possible! Also, please answer with steps!! Thank you!!
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Equations Science Chemistry Moles

03/27/21

Stoichiometry work
10.0 grams of calcium is added to HCl. Ca   +  HCl →  CaCl2      +   H2How many grams of HCl would be needed to completely react with the Ca?
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03/25/21

Write and solve the equation
1. Seven less than a number y is 82. Ten less than a number y is 19
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Equations

03/13/21

Three-fourths of a number decreased by 19 is -1
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Equations

03/11/21

Donna sold t-shirts at a festival. She made $5 for each t-shirt she sold. Her expenses were $22 . If she made a profit of $83 , how many t-shirts did she sell?
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Equations

03/09/21

The length of a rectangle is four more than its width. The perimeter of the rectangle is 40 cm. What are the dimensions of the rectangle?
The length of a rectangle is four more than its width. The perimeter of the rectangle is 40 cm. What are the dimensions of the rectangle?
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Equations

03/07/21

Step 1: –10 + 8x < 6x – 4 Step 2: –10 < –2x – 4 Step 3: –6 < –2x Step 4: ________ What is the final step in solving the inequality –2(5 – 4x) < 6x – 4? x < –3 x > –3 x < 3 x > 3
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Equations

02/25/21

What are the two equations we can make ? One is about the price,the other is the total rentals
They charge $2 for each video game, and $1 for each rented movie . Last week the total number of rentals was 114 and the machine made a total $177 how many movies were rented?
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Equations

02/25/21

True or False? k = 2 is a solution to the inequality 8k + 4 > 18.  Group of answer choices
True false
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01/26/21

Quadratic equations

The bottom of a ladder must be placed 18 feet from a wall. The ladder is 24 feet long. How far above the ground does the ladder touch the wall?
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01/26/21

Quadratic equations

The hypotenuse of a right angled triangle is 35 cm. The difference between its other two sides is 7 cm. Find the length of the sides.
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01/26/21

Quadratic equations

One leg of a right triangle is 7 cm less than the length of the other leg. The length of the hypotenuse is 17 cm. Find the lengths of the legs.
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01/26/21

Quadratic equations

A soccer field is a rectangle, 33 meters wide and 56 meters long. The coach asks players to run from one corner to the corner diagonally across the field. How far do the players run?
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01/25/21

Quadratic equations

The dimensions of a rectangular garder were 5m by 8m. Each dimension was increased by the same amount. The garden then had an area of 108 m^2. Find the dimensions of the new garden
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01/25/21

Quadratic equations

A square is altered so that one domension is increased by 5 units, while the other dimension is decreased by 3 units. The area of the resulting rectangle is 48 sq units. Find the area of the... more
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01/25/21

Quadratic equations

A square is altered so that one domension is increased by 5 units, while the other dimension is decreased by 3 units. The area of the resulting rectangle os 48 sq units. Find the area of the... more
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01/25/21

Quadratic equations

The length of a rectangle exceeds its width by 5 inches. Find the length of the rectangle if its area is 126 square inches.
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Equations Math Algebra 2 Algebra

01/25/21

Algebra 2 Quadratic equations (help)
The length of a rectangle is 5 inches more than twice a number. The width is 3 inches less than the same number.If the area of the rectangle is 76 sq inches, what is the number?
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Equations

01/19/21

5 less than a number y is no more than 34? Group of answer choices
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