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
r-ruslan [8.4K]
3 years ago
14

40 points!! need help asap

Mathematics
1 answer:
Mekhanik [1.2K]3 years ago
3 0

#1.

[4x = -12y + 16 and x + 3y = 4]

One answer


#2.

Here, y = 4x + 3

y - 4x = 3

Multiply by 2,

2y - 8x = 6

Compare with second equation,

6 ≠ 3

In short, System of Equation does not have any solution. [ Option D ]

#3.

2y=6

3x-6y=18

Divide first equation by 2: y=3

Substitute y=3 into second equation: 3x-6(3)=18

Solve for x: 3x=36 x=12

Therefore there is only one solution: x=12 y=3


#4.

y - 7x = -14

7y - 49x = -2

Rewrite the first equation as "y =" so that it can be substituted into the second equation and solve for x.

y = 7x - 14

7(7x - 14) - 49x = -2

49x - 98 - 49x = -2

-98 = -2

Since the variables cancel and the equation is not true there is no solution.

The lines are parallel and will not intersect.  


You might be interested in
81+7x=81 what does x equal?
cupoosta [38]
So to start off here is the question being asked:
<span>81+<span>7x</span></span>=<span>81
</span>The first thing we are going to do is s<span>implify both sides of the equation:
</span><span><span>7x</span>+81</span>=<span>81
</span>Second thing to do is s<span>ubtract 81 from both sides so:
</span><span><span><span>7x</span>+81</span>−81</span>=<span>81−<span>81
</span></span>The final thing to do is d<span>ivide both sides by 7:
</span><span><span>7x/</span>7</span>=<span>0/<span>7
The final answer is:
x=0

I hope this helps! :)</span></span>
5 0
3 years ago
Read 2 more answers
What time is 10 minutes before 8:00 in the morning? *
strojnjashka [21]

Answer: 7:50 AM

Step-by-step explanation:

The clock goes to 60 minutes so if you subtract 10 from 8:00 AM

It will start at 7:60

7:60-10 is 7:50

6 0
3 years ago
Read 2 more answers
What is the simplest form of 3/24
Finger [1]
The simplest form is 1/8
3/3= 1    24/3 = 8 so 1/8
7 0
3 years ago
Write the equation of a line in slope intercept form given;<br> (6,-3), (0, 5)
olganol [36]

Answer:

y=(-4/3)x+5

Step-by-step explanation:

so you want to start by using y=mx+b

step one: find the slope (remember m is the slope in this)

m= \frac{y2-y1}{x2-x1}

m= \frac{5+3}{0-6}

m= \frac{8}{-6}

m= - \frac{4}{3\\}

step two: insert the value we found for m into the equation and take one of the given points and insert the x and y into the equation (im using (0,5)) and solve for b.

y=mx+b

5= -4/3(0)+b

5=b

step three: rewrite y=mx+b with the values we found for m and for b

y=(-4/3)x+5

3 0
3 years ago
Help with math word problem, 10 points
Feliz [49]
I hope this helps you

6 0
3 years ago
Other questions:
  • What's the greatest common factor between 18 and 100
    10·2 answers
  • Find the mode of the following: 75, 93, 89, 75, 84
    11·2 answers
  • Round 5,963.251 to the place value given
    7·1 answer
  • An arc of length 8 in. is intersected by a central angle in a circle with a radius of 3 in. What is the measure of the angle? Ro
    11·2 answers
  • if there are 1050 students in a school and the ratio of boys to girls is 9:5 what is the number if boys in the school?​
    12·1 answer
  • Suppose a furniture manufacturer ships their products to distributors in pairs (so there are two items sent in each box). The we
    5·1 answer
  • What do patterns do you notice about finding the area of a triangle?
    6·2 answers
  • Jane needs open-topped boxes to store her excess inventory at year's end. She purchases large
    5·1 answer
  • Three highways connect the centers of three towns and form a triangle. A cell phone company wants to place a new cell tower so t
    6·2 answers
  • 3. Susan earns money by babysitting for relatives and neighbors. She charges $10 per
    10·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!