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
gregori [183]
3 years ago
13

5a + 3b + c= 40 a-3b+2c= -10 14a-2b+3c= 50

Mathematics
1 answer:
aalyn [17]3 years ago
8 0

Answer:

a= 40-3b-c/5

a=-10+3b-2c

a=50+2b-3c/14

Step-by-step explanation:

5a+3b+c-(3b+c)=40-(3b+c)

5a=40-3b-c

5a/5=40/5-3b/5-c/5

a= 40-3b-c/5

a-3b+2c-(3b+2c)=-10-(-3b+2c)

a=-10+3b-2c

14a-2b+3c-(-2b+3c)=50-(-2b+3c)

14a=50+2b-3c

14a/14=50/14+2b/14-3c/14  

a=50+2b-3c/14

You might be interested in
Pls help me pls i will give brainlist
Andre45 [30]

Answer:

1. Pour the mixture through a filter to separate the sand; 2. Evaporate the liquid to separate the salt.

Step-by-step explanation:

6 0
3 years ago
The table shows how much money Edguardo earns as a golf coach. He charges a flat fee of $38, plus $22 per hour. Complete the tab
Vesnalui [34]
Let's re-read the statement and question, and then break it down.
He charges a flat fee of $38, plus $22 per hour.
A flat fee of $38 is only a one-time pay, and will never be paid for again.
This means if after two hours, we only add $38 once overall, never more.
Every hour that goes by, he earns $22 each hour.
Now that we've broken this down, we can make an equation.
Let's do 1 hour.
1(22) + 38 = 22 + 38, = 60.
For 1 hour he earns $60.
Let's do 2 hours.
2(22) + 38 = 44 + 38, = 82.
For 2 hours he earns $82.
Let's do 3 hours.
3(22) + 38 = 66 + 38, = 104.
For 3 hours he earns $104.
Let's do 4 hours.
4(22) + 38 = 88 + 38, = 126.
For 4 hours he earns $126.
This is a pattern.
Now let's do 8 hours, which is the main question, "How much does he make in 8 hours?".
8(22) + 38 = 176 + 38, = 214.
For 8 hours he earns $214.
I hope this helps!
4 0
3 years ago
Read 2 more answers
T j bought fire insurance for his pizza shop for 220,000 at an annual rate per $100 of .49 at the end of 10 months TJ cancelled
Nezavi [6.7K]

Step-by-step explanation:

220000/100=2200*0.49=789

4 0
3 years ago
Which term best represents the intersection of two pages of an open book?
erik [133]
A. line
it is also the intersection of a laptop keyboard and the slanted screen.
3 0
3 years ago
Rodrigo bought a pumpkin pie for $4.85 and a can of whipped cream for $1.55. He gave the cashier $7.00. How much change should R
madam [21]
Answer:
$0.60

step-by-step explanation:
4.85 + 1.55 = 6.40
7.00 - 6.40 = 0.60
7 0
2 years ago
Other questions:
  • Is 14.1 a rational number
    5·1 answer
  • The sum of the interior angles of all polygons with 5 or more sides is exactly the same. TrueFalse
    14·1 answer
  • Which ratio correctly compares 30 in. to 2 ft, when the lengths are written using the same units?
    7·1 answer
  • The first four terms of a sequence are shown below. 2, 9, 40.5, 182.25 . . . What is the next number in the sequence?
    8·1 answer
  • What is an equation of the line that passes through the point (4,-6) and has a slope of -3
    13·2 answers
  • Eleanor deposits 20% of the money that she earns each week in a savings account. If Eleanor earns $85 each week, how much money
    14·2 answers
  • How many permutations are there of the letters in the following​ word, if all the letters are used without​ repetition?
    8·1 answer
  • At a birthday party, Vivian counts 15 vanilla ice cream cups and 25 chocolate ice cream cups. Whats the precent of vanilla to ch
    13·2 answers
  • Leena bought 14 yards of wire. How many inches of wire did she buy? (1 yard = 36 inches)
    10·2 answers
  • Solve the following for j: 2(k+j) = 4m
    7·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!