Mathematics, 28.12.2019 06:31 andrew729

Brianna solved an equation by adding 7 to both side of an equation. then she checked that 21 was the correct solution by substituting it back into the original equation. what two properties did she use to solve this equation

Answers: 1

Show answers

Another question on Mathematics

Mathematics, 21.06.2019 18:00

What power can you write to represent the volume of the cube shown? write the power as an expression with a base and an exponent and then find the volume of the cube

Answers: 3

Answer

Mathematics, 21.06.2019 19:00

Eis the midpoint of line segment ac and bd also line segment ed is congruent to ec prove that line segment ae is congruent to line segment be

Answers: 3

Answer

Mathematics, 21.06.2019 19:50

On a piece of paper graft y+2> -3x-3 then determine which answer matches the graph you drew

Answers: 2

Answer

Mathematics, 21.06.2019 21:00

Timmy uses 1 1 2 cups of sugar for every 2 gallons of lemonade he makes. how many cups of sugar would timmy use if he makes 13 gallons of lemonade?

Answers: 1

Answer

You know the right answer?

Brianna solved an equation by adding 7 to both side of an equation. then she checked that 21 was the...

Questions

Physics, 15.04.2020 00:40

The diagram shows a wave traveling through a medium. Identify point B.

Health, 15.04.2020 00:40

Tyree is lifting weights to build muscle for the upcoming football season. While in the gym lifting, a group of cheerleaders comes in to start practic...

Business, 15.04.2020 00:40

The emergency planning process includes the following steps: (1) Form a collaborative planning team; (2) Understand the situation;...

Business, 15.04.2020 00:40

Jacqui decides to open her own business and earns $50,000 in accounting profit the first year. When deciding to open her own business, she withdrew $2...

Mathematics, 15.04.2020 00:40

I don't really know how to do this and I already looked it up and I'm still confused.

Social Studies, 15.04.2020 00:40

A religious leader in a small city led a crusade against local X-rated movie theaters, topless dance bars, and strip clubs, often leading groups of an...

English, 15.04.2020 00:40

Fill the blanks. Original documents, such as eyewitness accounts, are called sources. The purpose of is to convince the reader to change his or her...

Social Studies, 15.04.2020 00:40

Which of the following best characterizes the value of the Chinese yuan relative to the U. S dollar over the last decade? Multiple Choice a. The yuan...

Business, 15.04.2020 00:40

2. Recognizing a valuation allowance for a deferred tax asset requires that a company a. consider all positive and negative information in determining...

Biology, 15.04.2020 00:40

All living things have a number of things in common, such as the need for nutrients. What statement describes something a human reproductive system an...

Mathematics, 15.04.2020 00:40

PLEASE HELP!! (04.03 HC) Given the function g(x) = 4(3)x, Section A is from x = 1 to x = 2 and Section B is from x = 3 to x = 4.

English, 15.04.2020 00:40

Horatio urges Hamlet not to duel Laertes, but Hamlet proceeds despite his misgivings. How does his willingness to fight Laertes prove to us that Hamle...

Mathematics, 15.04.2020 00:40

Use the diagram to complete the statements. The angle of depression from point R to point S is angle The angle of elevation from poi...

Mathematics, 15.04.2020 00:40

(4rxt - 8r2x + x2) -(6rx2 + 5rxt – 2x2)...

Chemistry, 15.04.2020 00:40

If you have 50.0 g samples of each of the 5 metals and water, and you add 400 cal of energy to each, which substance will have the largest resulting t...

Mathematics, 15.04.2020 00:40

What is the are of this figure?...

History, 15.04.2020 00:40

Which best explains how the president selects a justice for the Supreme Court? The president selects a judge that is qualified but disagrees wit...

Biology, 15.04.2020 00:40

QueSLIUI I point) Organisms vary in a small local area based on their evironment....

Mathematics, 15.04.2020 00:40

In a clinical trial for a new drug 15 men and 21 women volunteered. Needing a representative sample from both sexes, how many selection options are av...

Mathematics, 15.04.2020 00:40

According to the American Academy of Ophthalmology, 25% of Americans have brown irises. A random survey of students at a local community college found...

More questions: Mathematics Another questions