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
Sedbober [7]
3 years ago
15

Simplify the expression: -5(-6x-9y)-4(-10x+7y)

Mathematics
2 answers:
max2010maxim [7]3 years ago
8 0
30x-45y+40x-28y
70x-78y
Phoenix [80]3 years ago
4 0

Answer:

distribute -5 and -4

Step-by-step explanation:

-5(-6x-9y)-4(-10x+7y)

(30x + 45y) - (- 40x + 28)

30x + 45y + 40x - 28

45y + 70x - 28

You might be interested in
Screen shot attatched. I need help!!
ICE Princess25 [194]

Answer:

Step-by-step explanation:

3 ounces of water per cup of flour

3 0
3 years ago
Read 2 more answers
A snowboarder is traveling at 6 miles every 9 minutes. At this rate, the
monitta

Answer:

8 miles

Step-by-step explanation:

6/9 = x/12

6/9*12 = 8

8 miles

7 0
3 years ago
Read 2 more answers
144x^{2}[/tex]-169<img src="https://tex.z-dn.net/?f=-y%5E%7B2%7D" id="TexFormula1" title="-y^{2}" alt="-y^{2}" align="absmiddle"
Ainat [17]

Answer:

144x^2−y^2−169 because ther are no like terms

Step-by-step explanation:

5 0
3 years ago
Read 2 more answers
( NEEDED ASAP! )
bulgar [2K]

Answer:

y=3r+5

Step-by-step explanation:

Break up the sentance.

Capon city has 5 more than 3 times as many residents as harbor city.

The sentance above can be written like this: y=5+3x. Since they want r to represent the number of people in Harbor city, use r in place of x.

Capon city=y

has=equal sign

5 more=+5

3 times as many=3r

y=3r+5

4 0
3 years ago
A 98% confidence interval is found to be (50, 60). What is the margin of error?
miss Akunina [59]

Answer:

D. 5

Step-by-step explanation:

Mean: (50+60)/2

110/2

55

Margin of error:

60 - 55

5

3 0
3 years ago
Other questions:
  • Which of the following quadratic equations has the solution set (-20,9)? SELECT ALL THAT APPLY
    14·1 answer
  • One angle of a parallelogram measures 150°. What are the measures of the other three angles in the parallelogram?
    7·1 answer
  • No really getting this please help
    11·2 answers
  • Calculate the area of this figure to the nearest hundredth. Use 3.14 to approximate pi
    13·1 answer
  • ErvIn bowled 7 games last weekend. his scorers are : 155,165,138,172,193,142. what is the range of ErvIn scores
    6·1 answer
  • What is the lowest common multiple of 28 and 72
    15·1 answer
  • How can I find the area of this irregular shape?
    7·1 answer
  • Which table represents a linear function?<br><br><br><br><br><br> Mark this a
    5·1 answer
  • Cashews cost $6.75/lb. and Jeanna can spend at most $30 for them. How many pounds can<br> she buy?
    5·2 answers
  • Exprees in standard form:0.0000042.
    15·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!