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rosijanka [135]
2 years ago
6

Solve the equation for y -8x+4y=20

Mathematics
1 answer:
Pavel [41]2 years ago
7 0

Answer:

8x-5y=-20

Step-by-step explanation:

First you have to collect it like terms (5y-8x=20

Then reorder the terms (-8x+5y=20)

Next is to change the signs (8x-5y=-20)

Then you have your answer

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What is the inequality of 2/3 and 4/6?
zhannawk [14.2K]
2/3 and 4/6 are equal.
3 0
3 years ago
5 3/4 divided by 2 1/4
muminat

Answer:

2.55555555556

hope it will help you

8 0
3 years ago
R^2+3r+5-r^3/r is a quadratic/cubic/linear polynomial?
Sergeu [11.5K]

r^2+3r+5-r^3/r is  a linear polynomial

S<u>tep-by-step explanatio</u>n:

based on the highest power of the variables of a polynomial, it can be classified as linear,polynomial, quadratic polynomial,cubic polynomial etc.

In a linear polynomial, the highest power of the variable is 1. The general form of a linear polynomial is ax+b

In a quadratic polynomial, the highest power of the variables is 2.The general form of quadratic polynomial is ax^2+bx+c

In a cubic polynomial,the highest power of variable is 3.The general form of cubic polynomial is ax^3+bx^2+cx+d.

Take the given question and simplify it

r^2+3r+5-r^3/r=r^2+3r+5-r^2\\=3r+5

It is of the form ax+b. Hence it is  a linear polynomial.

3 0
3 years ago
How manys days makes a leap year?​
dem82 [27]

Answer: In an ordinary year, if you were to count all the days in a calendar from January to December, you'd count 365 days. But approximately every four years, February has 29 days instead of 28. So, there are 366 days in the year. This is called a leap year.

Step-by-step explanation:

3 0
3 years ago
Is the answer to -8.8-3.4 positive or negative? I know. It is 12.2 but I don't know if it's -12.2 or +12.2
Marat540 [252]
It is negative.

When you subtract a negative a positive number from a negative number, the result is positive. The equation can be rewritten as -8.8-(+3.4).
6 0
3 years ago
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