1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
Novosadov [1.4K]
3 years ago
7

Is this the correct way to expand and are the answer correct??

Mathematics
1 answer:
Agata [3.3K]3 years ago
5 0
No 
for example (question 1),
3(2a - 5) you multiply the numbers inside the parenthesis ().
so it will be 6a - 15
And if there is a negative number in front of the parenthesis, you multiply that too
-1(2x-5) will be -2x+5
negative times negative will be positive!
You might be interested in
Which number line shows the solutions to 1/2 x -2 > 0
Mkey [24]

Answer:

The top choice

Step-by-step explanation:

1/2 x -2 > 0

Add 2 to each side

1/2 x -2+2 > 0+2

1/2 x > 2

Multiply each side by 2

1/2 x *2 > 2*2

x > 4

There is an open circle at 4 and the line goes to the right

5 0
3 years ago
Read 2 more answers
Ben drove 350 miles in 6 1/2 hours Marcie drove 520 miles on 12 1/4 hours who drove faster
natka813 [3]

Answer:

Ben drove faster

Step-by-step explanation:

<h2>BEN:</h2>

350 miles / 6.5 hours = 53.84 miles per hour

<h2>MARCIE:</h2>

520 miles / 12.25 hours = 42.44 miles per hour

53.84 is faster than 42.44 therefore Ben is faster.

8 0
4 years ago
she walks up 9 flights of stairs. If there are 13 steps in 1 flight of stairs, how many steps does Kay climb in 5 days at work?
Lena [83]
13 * 9
And then multiply that answer by 5.
6 0
4 years ago
Read 2 more answers
The city of Houston received 8 more inches of rain than the town of Groesbeck. Which algebraic expression represents the amount
Ivahew [28]

Answer:

8-i=g

Step-by-step explanation:

g= amount of rain Groesbeck gout

i = inches of rain

8 0
3 years ago
Read 2 more answers
a sixth grade student brought three cans of tennis balls for $4 each sales tax for all three cans was $0.95 write an expression
JulijaS [17]

Answer:

An expression that would show how much the student paid is 3(4) + 0.95, which can be solved to be 12.95

Step-by-step explanation:

We know that we need to multiply the number of cans (3) by the price of the cans (4). We also know the sales tax for the total is 0.95, which can simply be added to the end.

8 0
3 years ago
Other questions:
  • Which should Aaron use to convert a fraction to a decimal?
    10·2 answers
  • Date are drawn from a bell-shape distribution with a mean of 170 and a standard deviation of 5. There are 1700 observations in t
    15·1 answer
  • What is the angle measure of angle b?<br> b<br> 67°<br> A) 113°<br> C) 157°<br> B) 23°<br> D) 67°
    15·2 answers
  • Need Help 2 &amp; 3 with inequalities!!!
    13·1 answer
  • Mrs.Kennedy is buying pencils for each of 315 students at Hamilton Elementary. The pencils are sold in boxes of tens. How can sh
    10·2 answers
  • Combine like terms.<br> 2x^2+7+6x-1-7x-6x^2+1<br> 2x <br> 2<br> +7+6x−1−7x−6x <br> 2<br> +1
    15·1 answer
  • 56 is 140% of what number
    12·2 answers
  • Write 40/64 in simplest
    6·1 answer
  • Need help dont know which one to chose
    13·1 answer
  • The measurements of a circular object are given in the ratio table.
    5·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!