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
STatiana [176]
3 years ago
15

How do I solve 3x-7y=63 and 4x+3y=-27by addition?

Mathematics
1 answer:
blagie [28]3 years ago
5 0
Multiply eqn 1 by 3 and eqn 2 by 7 then adding them will cancel Y. and X can be found.
You might be interested in
A sports statistician was interested in the relationship between game attendance in thousands and the number of wins for basebal
pantera1 [17]

Answer:

d

Step-by-step explanation:

7 0
2 years ago
Read 2 more answers
PLS HELP DUE SOON!! (retest) will give brainliest <3
Lady bird [3.3K]
The answer is A
Hopefully it will be correct
5 0
2 years ago
If x=3 y=-5 and z=-2 what is 90xyz ➗xy? PEMDAS PLEASE HELP! :(
garri49 [273]

Step-by-step explanation:

90×3×-5×-2/3×-5

2700/-15

-180

3 0
3 years ago
A ball is thrown into the air with an upward velocity of 36 ft/s. Its height h in feet after t seconds is given by the function
Ivenika [448]
<span>A ball is thrown into the air with an upward velocity of 36 ft/s. Its height h in feet after t seconds is given by the function h = −16t2 + 36t + 5. In how many seconds does the ball reach its maximum height? Round to the nearest hundredth if necessary. What is the ball’s maximum height?


A. 2.25 s; 5 ft


B. 1.13 s; 25.25 ft


C. 1.13 s; 27.5 ft


D. 1.13 s; 65.75 ft <====

</span>
7 0
2 years ago
Х = 2y + 3<br> х = Зу — 4​
krek1111 [17]
I don’t even know :( sorry
8 0
2 years ago
Read 2 more answers
Other questions:
  • 108 identical books have a mass of 30kg find the mass of 150 books
    15·1 answer
  • Use the diagram. AB is a diameter and AB perpendicular to CD. The figure is not drawn to scale. Which statement is NOT true?
    8·2 answers
  • The article "Measuring and Understanding the Aging of Kraft Insulating Paper in Power Transformers" (IEEE Electrical Insul. Mag.
    9·1 answer
  • When is 'L' larger than 'XL'?
    15·1 answer
  • Determine whether or not the following question can be considered as a statistical question.
    13·1 answer
  • How many quarters in 7 3/4
    11·1 answer
  • Jill Janzen’s gross weekly pay is $298. Her earnings to date for the year total $14,900. What amount is deducted from her pay ea
    8·2 answers
  • Find the reference angle given: t = −76°
    5·2 answers
  • 1. If the length of the legs of a right triangle are 5
    15·2 answers
  • Need some help a little bit stuck
    6·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!