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Sergio039 [100]
2 years ago
14

PLEASE I'M falling in math class, please help me please ​

Mathematics
1 answer:
Mariulka [41]2 years ago
6 0

Answer:

Plane R

Plane DEG

Plane FDG

Plane FEG

Step-by-step explanation:

You can name the plane by the script letter "R", and you can name the plane with any three co-linear points on the plane

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Please help!
tensa zangetsu [6.8K]
If the parabola has y = -4 at both x = 2 and x = 3, then since a parabola is symmetric, its axis of symmetry must be between x = 2 and x = 3, or at x = 5/2. Our general equation can then be:
y = a(x - 5/2)^2 + k
Substitute (1, -2): -2 = a(-3/2)^2 + k
-2 = 9a/4 + k
Substitute (2, -4): -4 = a(-1/2)^2 + k
-4 = a/4 + k
Subtracting: 2 = 2a, so a = 1. Substituting back gives k = -17/4.
So the equation is y = (x - 5/2)^2 - 17/4
Expanding: y = x^2 - 5x + 25/4 - 17/4
y = x^2 - 5x + 2 (This is the standard form.)
5 0
2 years ago
K is the midpoint of a line segment JL. If JK= 6x + 7 and KL = 9x-2, find the length of JL
Korvikt [17]

Answer:

x = 3

Step-by-step explanation:

6x + 7 = 9x - 2

-3x = -9

x = 3

3 0
2 years ago
L = $20 r = 4% t = 2 years
Annette [7]
I'm guessing this is a question about interest rates? If you have $20 that increases by 4% in one year, you need to multiply 20 by 1.04. This gets you $20.8.

If you are talking about compound interest, we will take this number and multiply it again by 1.04 for the second year. 20.8 x 1.04 = $21.632. 

If it is instead simple interest, we will simply add another .8 dollars for each year, instead of getting 4% interest compounded every year onto the new value. This gets you $21.6.
7 0
2 years ago
What is the total length of 13 rods?
VMariaS [17]
The link!:

https://gov.12q
5 0
2 years ago
Read 2 more answers
Answer correctly please !!!! Will mark Brianliest !!!!!!!!!!!!!!
xxTIMURxx [149]

Answer: 49 pie

Step-by-step explanation:

<h3>7²</h3>
6 0
3 years ago
Read 2 more answers
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