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
Deffense [45]
3 years ago
15

4x-5y=-2 -8x+10y=4 need work done

Mathematics
2 answers:
bekas [8.4K]3 years ago
3 0

Answer:

use math web because it wont let me enter it

Step-by-step explanation:

Gnom [1K]3 years ago
3 0
4x-5y=-2——1
-8x+10y=4——2
Multiplying equation 1 by -2, we get:
-8x+10y=4——3
As equation 2 and 3 turn out same, the pair of equations have infinitely many solutions. They will cancel out of you add or subtract them.
You might be interested in
Karen deposits $150 into her savings account in May and then deposits another $25 in June. She withdrew $105 in July. What is Ka
SVEN [57.7K]

Answer:

her balance in August is $70

Step-by-step explanation:

First, calculate her balance after the deposit in June:

150 + 25

= 175

Then, calculate her balance after July's withdrawl:

175 - 105

= 70

So, her balance in August is $70

7 0
3 years ago
Read 2 more answers
All of the factory workers in a steel mill either purchased their breakfast in the company cafeteria or brought their breakfast
VladimirAG [237]

Answer:

Step-by-step explanation:

7 0
3 years ago
The sum of two consecutive numbers is 71. Find the smallest number in the list
bazaltina [42]
35+36=71
35 is the answer
5 0
3 years ago
Simplify (square root 2)( square root of 2^3)
steposvetlana [31]

Answer:

\large\boxed{(\sqrt2)(\sqrt{2^3})=4}

Step-by-step explanation:

(\sqrt2)(\sqrt{2^3})\qquad\text{use}\ \sqrt{ab}=\sqrt{a}\cdot\sqrt{b}\\\\=\sqrt{2\cdot2^3}\qquad\text{use}\ a^n\cdot a^m=a^{n+m}\\\\=\sqrt{2^{1+3}}=\sqrt{2^4}\\\\(1)=\sqrt{2^{2\cdot2}}\qquad\text{use}\ (a^n)^m=a^{nm}\\\\=\sqrt{(2^2)^2}\qquad\text{use}\ \sqrt{a^2}=a\ \text{for}\ a\geq0\\\\=2^2=4\\\\(2)=\sqrt{2\cdot2\cdot2\cdot2}=\sqrt{16}=6\ \text{because}\ 4^2=16

8 0
3 years ago
Tony has $727.29 in his checking account. He must maintain a $500 balance to avoid a fee. He wrote a check for $248.50 today. Wr
deff fn [24]

Answer:

727.29 − 248.50 + x ≥ 500 727.29 − 248.50 − x ≤ 500. Hope this helps!

Step-by-step explanation:

5 0
3 years ago
Other questions:
  • PLEASE HELP ME!
    7·2 answers
  • A teacher asked the class to solve the equation 3(x + 2) = 21.
    8·2 answers
  • An arithmetic sequence is represented in the following table. Enter the missing term of the sequence.
    5·2 answers
  • What is -7 + (-1) =_________ NEED ANSWER ASAP PLS HELP
    7·2 answers
  • Barbara claims that her horse can do simple addition problems. She showed her horse eight different cards with simple addition p
    10·2 answers
  • 9. Determine whether the statement is always, sometimes, or never true. Two lines with positive slopes are parallel A) Always B)
    11·2 answers
  • Give the new coordinates. Square WXYZ with vertices W(1,7), X(6,5),
    6·1 answer
  • Find the LCM of the following and with working is important
    10·1 answer
  • Some1 hurry up i need help
    5·1 answer
  • Select ALL the correct answers.
    7·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!