Question

HELP PLEASE!! <3

Answer 1

@Mateaus

Answer 2

@dan815

Answer 3

if you see it from a side. It looks like a triangle correct?

Answer 4

yes

Answer 5

Find the Area of it

Answer 6

area formula?

Answer 7

what is it?

Answer 8

A\[A=\frac{ h*b }{ 2 }\]

Answer 9

h = height , b = base

Answer 10

so 12 * 16 / 2?

Answer 11

yep

Answer 12

what about the m?

Answer 13

96 what?

Answer 14

Now we find the perimeter of the base. B= 20+12+16

Answer 15

48

Answer 16

So we have A = 96, B=48 and we are left with the height (h=15m).

Answer 17

Now plug them in on the SA formula SA=2A+Bh

Answer 18

192+720=912?

Answer 19

Yep

Answer 20

There is another formula you can use: SA = wh + lw + lh + ls

Answer 21

what about the m's?

Answer 22

what the measure you use when you find the area of something?

Answer 23

i dont know to be honest lol

Answer 24

square

Answer 25

so its 912msquared?

Answer 26

yep

Answer 27

thats the answer to the problem? :D

Answer 28

no, that was just the answer for a problem I had in mind :3

Answer 29

lol are you joking? :p

Answer 30

what do you think :p?

Answer 31

yes :3

Answer 32

lol, well what did we just solve? haha

Answer 33

my question :P

Answer 34

exactly soo what was the question again?

Answer 35

are you good with rate of change?

Answer 36

mhm I'll have to see it to refresh memory.

Answer 37

let me take a screen shot one sec

Answer 38

Just find the slope.

Answer 39

how lol

Answer 40

Do you have any notes -.-?

Answer 41

no its a test before the class lessons. the more i get correct the less i have to do, i know y=mx+b is slope formula

Answer 42

m is slope

Answer 43

b is y intercept

Answer 44

Well how do you find the slope?

Answer 45

i have graduation in 2 weeks, trying to finish this last half credit and i have a 2 month old so im doing the best i can with the time i have :/

Answer 46

You have to know all this things because they will haunt you back over and over on next level of maths hehehe

Answer 47

Alright, well first you need 2 points.

Answer 48

Since you already have one equation and 2 x's . Use the x's to find 2 y's that way you have 2 points to find the slope.

Answer 49

and id really like to thank you, you have been a huge help these past few days <3

Answer 50

No problem.

Answer 51

combine the x's?

Answer 52

You have x=2 and x=6. First plug x=2 into the equation to find the first y. Then do the same for x=6 to find the second point.

Answer 53

oh ok one second! let me write it out

Answer 54

h=5 and h=8.3?

Answer 55

mhmm no

Answer 56

:(

Answer 57

\[h(x) = - x^2 +2x + 2\]

Answer 58

\[h(2) = -(2)^2 + 2(2) + 2\]

Answer 59

right?

Answer 60

yes

Answer 61

do the next steps.

Answer 62

2h=-4+4+2

Answer 63

2h=2 divide by 2 get h=1?

Answer 64

where did the 2h appear?

Answer 65

h(2)?

Answer 66

that is not equals to 2h. That means when x=2

Answer 67

so what should the equaation look like ?

Answer 68

\[h(2)= -4+4+2\] you are right on the right side. Solve that and you have your point.

Answer 69

i dont know what to do with the h(2)

Answer 70

the right side is 2

Answer 71

you don't touch that. That just mean h when x=2

Answer 72

so h(2)=2?

Answer 73

\[h(2)=2\]

Answer 74

Yes, that means that when x=2 then h = 2

Answer 75

so h is really the y?

Answer 76

yeah

Answer 77

ok so one point is 2

Answer 78

no, one point is (2,2).

Answer 79

and the other is h(6) -22?

Answer 80

so the other is 6-,22?