MATHEMATICS HIGH SCHOOL

Tyra solves the equation as shown. - 3(x+2) = 9
1. - 3x - 6 = 9
2. - 3x = 15
3. x = - 5
The property Tyra used in line 1 was the:

a) associative property
b) commutative property
c) distributive property
d) inverse property

Answers

Answer 1
Answer:

We have been given the equation

The first steps is given as

In this step, Tyra has distributed the term -3 over the parenthesis, as shown below

We know the distributive property is given by

Therefore, we can say that Tyra has used distributive property in the first step.

C is the correct option.

Answer 2
Answer:

Its the distributive property



Related Questions

MIDDLE SCHOOL

Which number is the solution of m+91=157 ( a:58 , b:66 , c: 68 , d: 248 )

Answers

Your answer would be B. 66
B:66
you have to subtract 157-91
:D


HIGH SCHOOL

It's been estimated that if you consume an extra 3,500 calories, you will gain 1 pound of fat. one can of soda contains 40 grams of sugar. sugar has 4 calories per gram. if a person drinks a six-pack of soda every day, how many pounds will he or she gain in 1 year?

Answers

We know that
1 can of soda---------------> 40 grams of sugar
if 1 gram sugar------------------------------------>has 4 calories
40 grams (1 can of soda)-----------------------> X
X=40*4=160 calories
then 
1 can of soda--------------> has 160 calories
six-pack of soda every day--------------> 6*160=960 calories every day

in one year------------> 960*365=350400 calories in one year

if 3500 calories----------------> 1 pound of fat
350400 calories----------------X
X=350400/3500=100.11 pound
In one year she or he will gains 100.11 pound of fat

the answer is 100.11 pound
HIGH SCHOOL

The speed of sound is approximately 340 m / s. How long will it take for the sound to travel from the batter to a spectator who is seated 30 meters away? How long will it take if the spectator is 150 meters away?

Answers

The first answer is 3/34 sec and the second answer is 15/34 sec.

Set up a proportion for these problems.  For the first question,
340/1 = 30/x

Cross multiply:
340*x = 1*30
340x = 30

Divide both sides by 340:
340x/340=30/340
x = 30/340 = 3/34

For the second question,
340/1 = 150/x

Cross multiply:
340*x = 150*1
340x=150

Divide both sides by 340:
340x/340 = 150/340 
x = 150/340 = 15/34
MIDDLE SCHOOL

What is 5 less than n

Answers

- Expression: n - 5

- Explanation: There is no real number/ answer for this expression, because you don't know what number represents n. 
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