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
kkurt [141]
3 years ago
6

Use elimination to solve this system of equations. X-4y=-11 and 5x-7y=-10

Mathematics
1 answer:
timurjin [86]3 years ago
4 0
X-4y=-11<=> -5x + 20y = 55
                     <span> 5x - 7y    = -10</span>
                =>0*x + 13*y = 45 => y =45/13 => x = 4*(45/13) -11 = 180/13 -11 =>
x = 37/13;
You might be interested in
What is the greatest value 20g of flour 3 for 3.50 or 40g of flour for 2 for 9£ which is better for money
jenyasd209 [6]

Answer:

It is better to buy 20 g of flour 3 for 3.50

Step-by-step explanation:

It is given that 20g of 3 for 3.50

It means 3 packets of 20 g is 3*20 =60

So, 60g  is for 3.50

So, 1 g =\frac{3.5}{60}=0.05833 per gram.

Now, let's find unit rate for 40 g of 2 for 9.

2 packets of 40 gram = 2* 40 =80 grams

So, 80 grams costs 9

So, 1 gram =\frac{9}{80} =0.1125

So, it is better to buy 20 g of flour 3 for 3.50

4 0
3 years ago
What is the ratio of water to mixed energy drink?
dedylja [7]

Answer:

?:?

Step-by-step explanation:

The number of water would be on the left,

The number of mixed energy drink would be on the right

If you give me numbers I will revise y answer and show you.

5 0
3 years ago
Convert to inches: 11 feet
GREYUIT [131]
Your answer would be ( A ) 132 inches
6 0
3 years ago
Read 2 more answers
In certain economies, the government operates as the central authority, guiding the economy and controlling (and owning) many of
Andrej [43]

Answer:

b

Step-by-step explanation:

in certain economies, the government operates as the central authority, guiding the economy and controlling (and owning) many of the businesses. Instead of being produced to make a profit, goods and services are produced for uses planned by the government. What type of economy does this describe? A. gift economy B. market economy C. socialist economy D. laissez-faire economy

3 0
3 years ago
Read 2 more answers
What is the value of the expression shown below? 8 + (7 + 1) 2 ÷ 4 ⋅ 2
Leni [432]
The answer is 10

8+(8)2÷4·2    
8+16÷4·2    4·2=8 then 16÷8       
8+2=10

just use PEMDAS

6 0
3 years ago
Other questions:
  • Which equation represents a horizontal line? A. x=y=2 B. y=x+1 C. x=2 D. y=2
    10·1 answer
  • What is an area of a square with an apothem of 48 inches?
    12·1 answer
  • Which number produces a rational number when add by 0.4
    8·1 answer
  • What is the probability of rolling a sum of 8 or 6 on a pair of number cubes?
    9·2 answers
  • Each space in the following grid can be filled in with integers. The product of each row and column is displayed in blue. Solve
    5·1 answer
  • Ruby conducted a survey and found that 5/6 of her classmates have a pet and 2/3 of those pets are dogs. what fraction of her cla
    13·1 answer
  • Please help me this is URGENT Due in TWO MINUTES I will mark brainliest please hurry!
    13·2 answers
  • Bill rented a truck for one day. There was a base fee of $16.99, and there was an additional charge of 92 cents for each mile dr
    5·1 answer
  • Susannah made the line plot below to show the distances she hiked each day in the past two weeks.
    9·2 answers
  • HELP!! Please answer 9 and ten with solution needed!!
    11·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!