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nirvana33 [79]
2 years ago
9

2y + 3y -3y -6(y + 2) = -y + 6

Mathematics
2 answers:
irinina [24]2 years ago
8 0
The answer is y= -6
my apologies if it’s wrong
crimeas [40]2 years ago
6 0

Answer:

Step-by-step explanation:

2y + 3y -6(y + 2) = -y + 6

Solving lik terms

5y - 6(y + 2) = - y + 6

5y - 6y - 12 = - y + 6

-y - 12 = - y + 6

Bringing like terms on one side

-12 - 6 = - y + y

-18 = y

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Determine which of the following ordered pairs satisfies the given system of equations.
alekssr [168]

Answer:

(-3,2)

Step-by-step explanation:

1) -2x+y=8

you need to leave the Y alone on one side. Then, the term -2x goes to the other side with its opposite sign which is +.

y=8+2x

2) y=2x/(5-8)

3) 8+2x=2x/(5-8)

now, you need the x value. for that, you need to leave x alone on one side.

8+2x=2x/(-3)

8+2x=-(2/3)x

8=-(2/3)x-2x

8=-(8/3)x

8/-(8/3)=x

-3=x

4) you now have the x value. you need the y value. for that, replace the x in one of the given equations. let´s use the 1st equation.

-2x+y=8

y=8+2x

y=8+2*(-3)

y=2

result:

x= -3

y=2

8 0
3 years ago
The area of a cylinder's base is 706.5 square millimeters. The cylinder's lateral area is 471 square millimeters. What is the to
Rzqust [24]
Just add the two bases plus the lateral area. so it would be 706.5+706.5+471.
8 0
3 years ago
Read 2 more answers
Mr. Kramer has 30 pencils for his class. There are 22 students in his class and he would like
saw5 [17]

Answer:

6

Step-by-step explanation:

Mr. Kramer has pencils for his class = 30

Students in his class = 22

Pencils he would like  to give each student = 2

How many more pencils does Mr. Kramer need to buy so that each student will receive 2 pencils = ?

Total pencils Mr. Kramer need to buy so that each student will receive 2 pencils = 22 × 2

            = 44

            = 44 - 30

            = 6

Mr. Kramer need to buy 6 more pencils  so that each student will receive 2 pencils

5 0
3 years ago
Which inequality is shown in the graph
pentagon [3]

Answer:

Less than.

Step-by-step explanation:

3 0
2 years ago
The coordinates of the vertices of ANGLE RST are R(-3,5), and S(4,5), and T(4,-2). Find the side lengths to the nearest hundredt
e-lub [12.9K]


Side lengths: RS=7 and ST=7, and angle=90 degrees

Why?

Since second coordinates of R and S are the same so we can just count the length by adding first coordinate of R and first coordinate of S= |-3|+4=7

Since first coordinates of R is the same as first coordinate of T so we can just count  the length  by adding second coordinates of S and T=5+|-2|=7

Angle: RST is =90 degrees because triangle RST is right angled  triangle. Why? Because RS is parallel to X axis(the same second coordinates of R and S) and ST is parallel to Y axis(the same coordinates of S and T) .


6 0
2 years ago
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