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
nikdorinn [45]
3 years ago
10

X=5-y 2x+5y=4 substituted

Mathematics
1 answer:
anzhelika [568]3 years ago
7 0

Step-by-step explanation:

put x=5-y into eqn2

2(5-y)+5y=4

10-2y+5y=4

10+3y=4

3y=-6

y=-2

put y=-2 into eqn1

x=5--2

x=7

You might be interested in
Parabola A can be represented using the equation (x + 3)2 = y, while Line B can be represented using the equation y = mx + 9. Is
KiRa [710]
The 1st choice is the correct one.

Isabel is correct because the y-intercept of Line B is (0, 9) and the value of y when x = 0 in Parabola A is 9.

3 0
3 years ago
Read 2 more answers
If I spin the spinner 200 times, how many times may I expect it to land on<br> blue?
vitfil [10]

Answer:

m

Step-by-step explanation:

4 0
3 years ago
Read 2 more answers
a company that manufactures bicycles has a fixed cost of $80,000. it costs $100 to produce each bicycle. the total cost for the
frez [133]

C(x) = 80000 + 100x is the total cost as function of number of cycles produced

C(90) = 89000 and it costs $ 89000 to produce 90 bicycles

<em><u>Solution:</u></em>

Given that, company that manufactures bicycles has a fixed cost of $80,000

Fixed cost = $ 80,000

Let x be the number of cycles produced

Let C(x) be the total cost as function of number of cycles produced

It costs $100 to produce each bicycle

Variable cost = 100 x number of cycles produced

variable cost = 100x

The total cost for the company is the sum of its fixed cost and variable costs

total cost = fixed cost + variable cost

C(x) = 80000 + 100x

Thus total cost as function of "x" is found

<em><u>Find and interpret C(90)</u></em>

Substitute x = 90 in C(x)

C(90) = 80000 + 100(90)

C(90) = 80000 + 9000

C(90) = 89000

Thus it costs $ 89000 to produce 90 bicycles

3 0
3 years ago
An office building has 24 offices on each floor. Each office either face north, south, east, west , and the amount of offices th
yuradex [85]

Answer:

198

Step-by-step explanation:

33 * 24 = 792

792 / 4 = 198

3 0
3 years ago
2. On vacation, Katelyn wanted to have her hair braided in multiple braids to cover her head. The beautician charges a flat rate
scoundrel [369]
29 = 4 + .75b
subtract 4
25 = .75b
divide .75
b = 33.3333333
b = 33 braids
4 0
3 years ago
Read 2 more answers
Other questions:
  • Three fences on a ranch measure 15/16 miles 7/8 miles and 7/16 miles which is the best estimate of the total length of all three
    12·1 answer
  • Nia answered 80% of the 40 questions on a test correctly. How many correct answers did she have?
    8·2 answers
  • John grosses $27,000 a year. What is his gross weekly wage?
    14·1 answer
  • Which expression shows the result of applying the distributive property to -2(1/3x - 1/5)??? Plz help me
    9·1 answer
  • Pls help pls someone
    6·1 answer
  • Find the area of a trapezoid whose parallel sides measure 8.5 m and 4.5 m, and whose altitude is 6.5 m.
    9·2 answers
  • Plz, help!! ASAP!!!!!!
    14·2 answers
  • Cade throws a baseball from a starting height of 6 feet, with an initial velocity of 22 feet per second. Which of the following
    14·1 answer
  • You have 2/3 of salad left over and want to divide among six friends. What expression describes the situation? Explain.
    5·1 answer
  • The probability that Clara wins a raffle prize is 25% find the probability that she doesn’t win a prize
    9·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!