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2 years ago

In the equation y + 8 = 82, what is the next step in the equation solving sequence?

Mathematics

2 answers:

svet-max [94.6K]2 years ago

8 0

Answer:

y=74

Step-by-step explanation:

You have to subtract 8 from both sides of the equation because when solving an equation like this, it is important to try to isolate y.

y + 8 = 82

-8 -8

82 - 8 = 74

y = 74

Strike441 [17]2 years ago

4 0

Answer:

y + 8 = 82

y = 82 - 8

y = 74

In this equation we need to find the value of y

So you need to change the position of 8 and take it behind the equals to sign. When you do so the positive 8 Changes to negative 8 and the equation become y = 82 - 8 then when you solve it the answer comes 74.

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Answer 37, 38, and 39 and make sure to answer with either the letter or with one of the answers shown! SHOW YOUR WORK PLEASE!!

ollegr [7]

Answer:

I didn't even realize until I had written all of the answers down that they are all C.

37 = C. 15%

38 = C. 2 $x^{3}$

39 = C. 48

Step-by-step explanation:

37: I used process of elimination to figure out which percentage of decrease it was by just multiplying 42 by each percentage until I got 6.3 which is what you need to subtract from 42 to get 35.7, so the answer is C, or 15%.

38: A coefficient is the number that is being multiplied by the variable, which in this case is "x". So whatever answer involves "2x" is the correct answer. Therefore the answer is C, or 2 $x^{3}$ .

39: You have to add the amount of money Henry paid for painting supplies and how much profit he mad to figure out how much money he really made. 400 + 560 = 960 and he charges $20 for each painting so you need to divide 960/20 to get your answer, which is C, or 48.

8 0

3 years ago

A teacher divides her class into groups and assigns each group the task of measuring the mass of the same object three times. Th

ZanzabumX [31]

Answer:

I think it would be group B due to the fact that they are the closest to 25 g

Step-by-step explanation:

6 0

3 years ago

2x+3(x-4)=4(2x+3) solving one linear equation form

Art [367]

Answer:

x= -8

Step-by-step explanation:

2x+3x-12=8x+12

5x-12=8x+12

5x-8x=12+12

-3x=24

24/-3

x= -8

4 0

2 years ago

A certain substance doubles its volume every minute at 9 AM a small amount is placed in a container ,at 10 AM the container was

Y_Kistochka [10]

Answer:

the container is 1/4 full at 9:58 AM

Step-by-step explanation:

since the volume doubles every minute , the formula for calculating the volume V at any time t is

V(t)=V₀*2^-t , where t is in minutes back from 10 AM and V₀= container volume

thus for t=1 min (9:59 AM) the volume is V₁=V₀/2 (half of the initial one) , for t=2 (9:58 AM) is V₂=V₁/2=V₀/4 ...

therefore when the container is 1/4 full the volume is V=V₀/4 , thus replacing in the equation we obtain

V=V₀*2^-t

V₀/4 = V₀*2^-t

1/4 = 2^-t

appling logarithms

ln (1/4) = -t* ln 2

t = - ln (1/4)/ln 2 = ln 4 /ln 2 = 2*ln 2 / ln 2 = 2

thus t=2 min before 10 AM → 9:58 AM

therefore the container is 1/4 full at 9:58 AM

8 0

2 years ago

Please help :) .....................

Kay [80]

There are web sites and videos that stand ready to show you how to bisect an angle.

The basic idea is that you draw an arc through both rays so that the points of intersection are the same distance from the vertex. Then, you construct a perpendicular bisector of the segment between those intersection points. That will bisect the angle.

For (3), you bisect each of the angles made by the original bisector. (1/2 of 1/2 = 1/4)

8 0

3 years ago