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
ale4655 [162]
3 years ago
9

-5x +13y =-7 5x +4y=24 x= y=

Mathematics
1 answer:
Dennis_Churaev [7]3 years ago
3 0
X=4
Y=1
You already have the equation done from that equation you cross out the -5x and 5x then add 13+4 it gives you 17 the add -7+34 it gives you 17 that’s when you get x. Now ones you have x plug in the 1 into any equation I prefer the ones that don’t have negative numbers, ok so the plug in 1 into the Y and then it would be 5x+4(1)=24, so you know 4(1) is 4 so then subtract 24-4 which gives you 20 and then bring down 5x and then divide 24/5 and then you get what X is and it is 5.
You might be interested in
in a test consisting of 90 questions, Ama answered 75% of the first 40 questions correctly. If she had to get a score of 80% in
Shalnov [3]

Answer:

total question =90

she obtained 75% of first 40 questions

  1. No. of question she got correct in first 40 = 75% * 40 = 30

2. in order to get 80% out of 90,

the no. of questions got correct by Ama = 80% * 90 = 72

3. As she already got 30 c0rrect in first 40 questions, the number of question she needs correct for remaining 50 = (72-30) = 42

percentage = 42/50*100% = 84%

3 0
3 years ago
Plz help<br> Will mark brainliest
Alexandra [31]

Answer:

(0,-1)

Step-by-step explanation:

(0,-1) will work because when you plug them is it is equivalent to 4

6 0
3 years ago
A rocket was launched and its height, h, in metres, above the ground after time,
Marianna [84]
Short answer b 7m

Very simple just do the math mostly multiplying
6 0
3 years ago
What is 21 and 1/4 percent as a fraction?
Y_Kistochka [10]

Answer:

The answer is 17/80.

Step-by-step explanation:

5 0
2 years ago
Ion 1(Multiple Choice Worth 2 points)
Alexxandr [17]

Answer:

105.19.

Step-by-step explanation:

Area = 1/2 ac sin B

= 1/2 * 10 * 22 * sin 107

= 105.19..

4 0
3 years ago
Other questions:
  • find the mean and median for the following annual salaries (in thousands) for employees of the Widget Factory 38.5, 31.0, 29.8,
    12·1 answer
  • 7 A rock climber that is 0.74 mile above sea level
    15·2 answers
  • What is the discriminant of 9x^2+2=10x^2
    15·1 answer
  • 8 times ( 18 divides 6 )
    12·2 answers
  • A hot-air balloon is floating above a straight road. To estimate their height above the ground, the balloonists simultaneously m
    14·1 answer
  • A normal distribution has a mean of 15 and a standard deviation of 2. Find the value that corresponds to the 75th
    15·1 answer
  • Number 4<br><br><br> I WILL MARK BRAINLIEST
    13·1 answer
  • Plz help!!!!!!!!!!!!!!!!!!!!!
    11·1 answer
  • Evaluate the expression for the given variable <br>40-(6x+8) when x=2​
    15·2 answers
  • A restaurant is serving a special lunch combo meal that includes a drink, a main dish, and a dessert. Customers can choose from
    11·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!