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
taurus [48]
3 years ago
6

3x+5y=78 2x-y=0 the point of intersection of the lines has an x-coordinate of what

Mathematics
1 answer:
Dafna11 [192]3 years ago
4 0
In order to find where these two lines intersect you must solve them simultaneously x 

3x +5y = 78.... (1)

2x - y = 0 ........(2)

by multiplying eq (2) by 2 and adding it to eq (1)
    5(2x - y = 0) ..... (3)
    10x - 5y = 0 ..... (3)

eq(3) + eq (1) : 10x + 3x +5y - 5y = 78 + 0
                    ⇒  13x = 78
                    ⇒      x = 6


You might be interested in
7x + 1 = x + 7<br> whats the answer
Gnoma [55]

7x + 1 = x + 7

7(1) + 1 = 8

1 + 7 = 8

If you substitute 1 for x, the statement is true. Therefore, x = 1.

4 0
2 years ago
Read 2 more answers
Evaluate. 12⋅(1/4+1/3)2+2/3 enter your answer as a mixed number
emmainna [20.7K]
The answer i got is 44/3 but as a mixed number it’s 14 2/3
6 0
2 years ago
A salesperson earns $300 per week, plus a 25% commission on each sale made. How much would the salesperson earn if he sold $650
Montano1993 [528]

Answer:

$800 = $300 +.05(x), x being the amount that must be sold

Subtract 300 from both sides

$500= .05(x)

Divide by .05

x=$10000

Step-by-step explanation:

5 0
3 years ago
Identify the pair of angles as corresponding alternate interior, both or neither
Stella [2.4K]

the right answer is 7 and 4 because the angles are between the two lines that are not the transversal and are on diagonal opposite sides of the transversal.
6 0
3 years ago
Read 2 more answers
A baker purchased 10 lb of wheat flour and 13 lb of rye flour for a total cost of $17.40. A second purchase, at the same prices,
Art [367]
The answer to the question

4 0
3 years ago
Other questions:
  • XY=11d\ YZ=9d-2\ \ xz=5a+22
    10·2 answers
  • What's (20 Times 18) Times 5
    13·1 answer
  • the telephone company offers two billing plans for local calls. Plan 1 charges $29 per month for unlimited calls and Plan 2 char
    11·1 answer
  • Ms. Wiltz has a $20 gift certificate to her local bakery. If she buys a loaf of banana nut bread for $8.30 and uses the rest of
    5·1 answer
  • (-2, -4), (2, 4) what is this in slope intercept form?
    6·1 answer
  • Identify a function rule for the following ordered pairs:
    13·1 answer
  • I need to find the missing sign of this triangle please helppp!!!
    10·1 answer
  • I need help on this.
    8·1 answer
  • Find the equation of the line through the point ( 3 , − 7 ) that is perpendicular to the line with equation y = x − 12 .
    14·1 answer
  • U scared from<br>lizard or cockroache?​
    15·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!