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
mars1129 [50]
3 years ago
15

HELP!! Examine this system of equations. Which numbers can be multiplied by each equation so that when the two equations are add

ed together, the y term is eliminated?
1/4x - 1/6y =5

4/5x + 3/8y =10


a. 18 times the first equation and 8 times the second equation
b. –18 times the first equation and 8 times the second equation
c. 8 times the first equation and 6 times the second equation
d. –8 times the first equation and 6 times the second equation
Mathematics
1 answer:
vekshin13 years ago
4 0
1/4*x -  1/6*y= 5    |*18    
4/5 *x + 3/8*y = 10 | *8

18/4*x                  -3*y= 90
32/5*x                + 3y   = 80
-------------------------
18/4*x+32/5*x   /       = 170

The answer is a





You might be interested in
You toss a coin and roll a number cube. Find P(tail and a six).
Dafna11 [192]

There will be 12 possible outcomes. So, the probability of (tail and a sic) would be equal to = 1/12

1/12 is your answer..........

8 0
3 years ago
Read 2 more answers
What number is 6.1% of 60
borishaifa [10]
'of' can be tranlated as multiply

percent means parts out of 100 so
6.1%=6.1/100=0.61/10=0.061

so multiply 0.061 with 60=3.66

the number is 3.66
8 0
3 years ago
Read 2 more answers
Is ABC DEF? If so, identify the similarity postulate or theorem that applies.
VladimirAG [237]

We are given traingle ABC and Triangle DEF.

Angle <A is congruent to Angle <D

Angle <B is congruent to Angle <E

Angle <C is congruent to Angle <F.

If two pairs of corresponding angles are congruent to each other, then the triangles are similar by Angle-Angle Similarity.

<em>By Angle-Angle similarity postulate triangle ABC and triangle DEF are similar.</em>

Therefore, option C is correct option.

<h3>C. Similar - AA.</h3>
7 0
3 years ago
Read 2 more answers
4/7 divided by 7/2?????
11Alexandr11 [23.1K]

Answer:

8/49

Step-by-step explanation:

4/7 ÷7/2

Copy dot flip

4/7 * 2/7

Multiply the numerators

4*2 = 8

Multiply the denominators

7*7= 49

numerator over denominator

8/49

8 0
3 years ago
Read 2 more answers
What is the x-intercept of y=5x+20?
densk [106]

Answer:

the x intercept is -4

Step-by-step explanation:

to find the x intercept, set y = 0 and solve for x

y = 5x+20

0 = 5x+20

subtract 20 from each side

-20 = 5x +20 -20

-20 = 5x

divide each side by 5

-20/5 = 5x/5

-4 =x


7 0
3 years ago
Other questions:
  • Tickets for the school play cost $4 for students and $7 for adults. For one performance, 146 tickets were sold for $779. How man
    7·1 answer
  • The line / is tangent to the circle x^2+y^2=50 at the point A.
    6·1 answer
  • ^^what is the answer^^
    9·1 answer
  • If you can just help me with one question it would help very very much:)
    8·1 answer
  • Gas costs $6 per gallon and diesel costs $8 per gallon. You have at most $85 to spend on fuel. You must purchase at least 12 gal
    14·1 answer
  • The money collected from selling bacon at a butcher store is given by the function f(x) = 3.55x – 4, where f(x) is the sales rev
    10·2 answers
  • Evaluate<br> 3x (x + 2) – 3x? for x = 19
    13·1 answer
  • Help please!!!! 50 points!!!!
    7·1 answer
  • Which is a monthly summary of all your checking account transactions?
    7·1 answer
  • HELPPPPPPPPPPPPPPPPPPPPP
    15·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!