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Crazy boy [7]
3 years ago
12

A system of equations has 1 solution. If 4x – y = 5 is one of the equations, which could be the other equation?

Mathematics
2 answers:
SSSSS [86.1K]3 years ago
6 0
The answer is y=4x-5
VladimirAG [237]3 years ago
5 0

Answer:

The answer is y=4x-5

A system of equations has 1 solution. If 4x – y = 5 is one of the equations, which could be the other equation?

y = –4x + 5

y = 4x – 5

2y = 8x – 10

–2y = –8x – 10

–2y = –8x – 10

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I need help on outdated I-ready! -.-
tiny-mole [99]

S equals 36

multiply both sides of the equation by 3

S+42=78

Move constant to the right side and change its sign

S=78-42

subtract the numbers

S=36

4 0
3 years ago
Two linear equations are given below.
gladu [14]

Answer: You can't answer this, but here are some guidelines

Step-by-step explanation:

I would love to answer this question (coming from someone who has already completed algebra keystones) but I need to know what the linear equations are before I can. If the functions are reciprocals of one another (the slope is the opposite and the fraction is switched) it is a perpendicular line which means one solution.  If the slope is the same but the intercept is different (using y=mx+b) so if b is different but m is the same they are parallel and there is no solution. If they are the same line (same equation) there is infinite solutions. If this doesn't help I would suggest finding graph paper and trying it out and seeing the intersection points.

5 0
3 years ago
6700 dollars is placed in an account with an annual interest rate of 8%. How much will be in the account after 24 years, to the
daser333 [38]
\bf \qquad \textit{Simple Interest Earned Amount}\\\\
A=P(1+rt)\qquad 
\begin{cases}
A=\textit{accumulated amount}\\
P=\textit{original amount deposited}\to& \$6700\\
r=rate\to 8\%\to \frac{8}{100}\to &0.08\\
t=years\to &24
\end{cases}
\\\\\\
A=6700(1+0.08\cdot 24)\implies A=19,564.00
5 0
3 years ago
Read 2 more answers
Help with this slope ​
gladu [14]

Answer:

20,100 I think

Step-by-step explanation:

8 0
3 years ago
Read 2 more answers
How many gallons of pure alcohol should be added to 40 gallons of a 20% solution so
Rudik [331]

Answer:

8/3

Step-by-step explanation:

i put equations as this:

x+40 = y

where x is galllons of pure mixture and y is the gallons of the new mixture

the other equation i id was:

x+0.2(40) = 0.25y

x+8 = 0.25y

y = 4x+32

solve using substitution

(x+40) = 4x+32

x = 4x-8

-3x = -8

x = 8/3

3 0
3 years ago
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