Answer:
<h2>
5m - 6 = 19</h2>
Step-by-step explanation:
<h3>We are given:</h3>
Monday x 2 = Tuesday
Tuesday - 6 = Wednesday
Lets say
Monday = m
Tuesday = t
Wednesday = w
m = m
2m = t
2m - 6 = w
Combine like terms: 5m - 6 = 19
Add 6 to both sides
5m = 25
Divide both sides by 5
m = 5
Plug it in the equations.
<em>Monday = 5</em>
<em>Tuesday = 10</em>
<em>Wednesday = 4</em>
Answer:
No
Step-by-step explanation:
- 20 ÷ 9 = 2.222222222
- 9 does not go evenly into 20, and there can't be a fraction of a student, so the answer is no.
I hope this helps!
Answer:
y=8(x+1)²-2
Step-by-step explanation:
Completing the square is a method of factorising. x²+bx+c=0 becomes x²+bx+(
b)²-(b)²+c=0. This then gets converted to make an equation of (x+b)²+(-(b)²+c)=0.
Vertex form is y=a(x-h)²+k.
8x²+16x+6=0 must first be divided by 8 to 8(x²+2x+
)=0 (as there cannot be a coefficient for x²).
This will become 8(x²+2x+
²-²+
)=0.
From there, using the method above, we can convert it to 8[(x+1)²-1+]=0.
Solving this gets 8[(x+1)²-
]=0.
With 8 as a, 1 as -h, and 8×- (-2) as k, we can input this into vertex format to get the result of y=8(x+1)²-2.
**This equation involves completing the square and vertex form, which you may wish to revise. I'm always happy to help!
It’s C, i just did it and i got 90% of them right. It’s C.
Answer:
Step-by-step explanation:
P = 2(L + W)
P = 24
width = x, length = y
24 = 2(x + y)
24 = 2x + 2y
standard form would be : 2x + 2y = 24, or it could also be x + y = 12
to find the x intercept, sub in 0 for y and solve for x
x + y = 12
x + 0 = 12
x = 12....so the x intercept is (12,0)
to find the y intercept, sub in 0 for x and solve for y
x + y = 12
0 + y = 12
y = 12......so the y intercept is (0,12)
No, the intercepts do not make sense.
consider the equation : 2x + 2y = 24
if x is 12.......
2(12) + 2y = 24
24 + 2y = 24
2y = 24 - 24
2y = 0
y = 0......so if x (the width) is 12 cm, the y(the length) would be 0.
same goes with the length (y)....if y = 12, then the width (x) is 0
also, if x is 12 and y is 12
P = 2(L + W)
P = 2(12 + 12)
P = 2(24)
P = 48..............then the perimeter would not be 24, it would be 48
