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
Scilla [17]
3 years ago
7

Ktoś mi to rozwiarze pls

Mathematics
1 answer:
WARRIOR [948]3 years ago
3 0

a)

2a+(3a-7)=2a+3a-7=5a-7

b)

(2x-3)+x=2x-3+x=3x-3

c)

7-(5x+4)=7-5x-4=3-5x

d)

3x-(y-2x)=3x-y+2x=5x-y

e)

-(3a+6)-4=-3a-6-4=-3a-10

f)

-(x-2y)-3x=-x+2y-3x=2y-4x

g)

(2p-1)+(3+5p)=2p-1+3+5p=7p+2

h)

(4-2x)-(7x-2)=4-2x-7x+2=6-9x

i)

-(2x-1)+(3x+1)=-2x+1+3x+1=x+2

j)

(2m+4n)+(m-0,5n)=2m+4n+m-0,5n=3m+3,5n

k)

(4a-7b)-(2a+3b)=4a-7b-2a-3b=2a-10b

l)

-(2p-r)-(2r-p)=-2p+r-2r+p=-p-r

You might be interested in
Solve this polynomial expression please.
Sedbober [7]
-9x^3 +54x^2 -30x +12
5 0
2 years ago
Compare [3] and [ – 8|
mariarad [96]

Answer:

3 > -8

Step-by-step explanation:

-8 -7 -6 -5 -4 -3 -2 -1 <u>0</u> 1 2 3 ....

-8< 3

7 0
2 years ago
Melinda bought 6 bowls for $13.20. what was the unit rate in dollars
OlgaM077 [116]
To find the unit rate we will divide the amount of dollars ($13.20) by the amount of bowls (6). Then we will check our work. lets do it:-

13.20 ÷ 6 = 2.20
$2.20 per bowl

CHECK OUR WORK:-

2.20 × 6 = 13.20
we were RIGHT!!

So, the unit rate in dollars for, Melinda bought 6 bowls for $13.20  is, $2.20 per bowl.

Hope I helped ya!! xD
8 0
3 years ago
Read 2 more answers
Alyssa has 50 quarters and dimes. She has a total of $9.80. How many dimes does she have? Explain your steps.
Debora [2.8K]

Answer:

t $9.50 of it is quarters and 30 cents of it is dimes so 3 dimes

Step-by-step explanation:

8 0
2 years ago
Someone please help me! I would appreciate it so much!
Alexxandr [17]
5.1 • 0.79 = 4.029
the apples cost $4.03
8 0
3 years ago
Read 2 more answers
Other questions:
  • Provide reasons for the proof. Given line h is parallel to line k. line j is perpendicular to line h. Prove line j is perpendicu
    5·1 answer
  • 5,10,30,60,180 what comes next after that number in the pattern
    5·2 answers
  • Is 2 , -5 a solution to this system equation 2x + 5y = -19, 6y - 8x = -54 .? Justify your answer
    14·1 answer
  • What is ‘t’ in the equation -12 = t - 15.95
    11·1 answer
  • 40 POINTS PLEASE HELP
    14·2 answers
  • You ask only the members of your family that you can contact by phone what their favorite holiday is. Is this a census?
    5·1 answer
  • Find the slope of the line that passing through the points (5,-2) and (5,8)
    8·1 answer
  • HELP ME PLLLLLLZ NO BOTS ASAP ASAP HELP
    12·1 answer
  • Multiply.
    6·1 answer
  • Find the equation of a line perpendicular to y=−6 that contains the point (1,3). Write the equation in slope-intercept form
    6·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!