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3 years ago

Зу + 5.2 = 2- 5y What is the answer for this??

Mathematics

2 answers:

PtichkaEL [24]3 years ago

6 0

Answer:

The answer is y=0.4

Aleksandr-060686 [28]3 years ago

5 0

3y + 5.2 = 2 - 5y
8y = 7.2
Y = 0.9

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Consider the following system of equations 2x+3y=45 x+y=10 what is the x value of the solution for this system

scZoUnD [109]

2x + 3y = 45
x + y = 10......y = 10 - x

2x + 3(10 - x) = 45
2x + 30 - 3x = 45
-x + 30 = 45
-x = 45 - 30
-x = 15
x = -15 <====

and y = 25

3 0

3 years ago

Read 2 more answers

PLEASE HELP

kotykmax [81]

Answer:

$\displaystyle y=-\frac{1}{2}x+\frac{11}{2}$

Step-by-step explanation:

Equation of the Line

A line of slope m and y-intercept b can be expressed by the equation:

$y=mx+b$

The given line has the equation:

$8x-4y=-24$

Let's express it in the correct form:

$-4y=-24-8x$

Dividing by -4

$y=2x+6$

The slope of this line is m1=2. To find the slope m2 of a line perpendicular to this one, we use the following equation:

$m_1.m_2=-1$

Solving for m2:

$\displaystyle m_2=-\frac{1}{m_1}$

$\displaystyle m_2=-\frac{1}{2}$

The required equation has the form:

$\displaystyle y=-\frac{1}{2}x+b$

To find b, we use the point (3,4) through which the line passes:

$\displaystyle 4=-\frac{1}{2}(3)+b$

$\displaystyle b=4+\frac{3}{2}=\frac{11}{2}$

Thus the equation of the line is:

$\boxed{\displaystyle y=-\frac{1}{2}x+\frac{11}{2}}$

5 0

3 years ago

Help me with this, answer any question you like

katrin2010 [14]

The answers are... For the first one Question 1. the answer would be
2x³+2x²-2x

Question 2 the answer is: x²-3x-2

Question 3 the answer is: 2x+2

Question 4 the answer is: x+7

Question 5 the answer is: −15x²+66x−63

Hopes this helps! :)

4 0

3 years ago

What would this be after you simplify? x^0 y^5 ----------- y^5 z^-7

Kay [80]

Answer:

y^5 z^7

______

y^5

3 0

3 years ago

If sum of two no is 21 and sum of their square is 256 find the number

polet [3.4K]

Step-by-step explanation:

you're going to solve for y in the first equation and then substitute it in for the second equation and solve.

4 0

3 years ago