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Alona [7]
2 years ago
15

Solve using the quadratic formula

Mathematics
1 answer:
dangina [55]2 years ago
4 0
X=0

Hope you have a great day
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Please help me to solve this equation<br><br><img src="https://tex.z-dn.net/?f=ax%20-%20by%20%3E%20c" id="TexFormula1" title="ax
slega [8]

Given: ax-by>c

Subtract ax on both sides: -by>-ax+c

Divide both sides by -b: y<(-ax+c)/-b

Simplify: y<(ax-c)/b

your answer: y<(ax-c)/b


8 0
3 years ago
Kevin is 3 times as old as Daniel. 4 years ago, Kevin was 5 times as old as Daniel. How old is kevin now?
puteri [66]
K = Kevin's age
D = Daniel's age

K = 3D

K - 4 = 5(D - 4)

Plug in 3D for the K values in the second equation.

3D - 4 = 5(D - 4)   Use the Distributive Property
3D - 4 = 5D - 20   Add 4 to both sides
     3D = 5D - 16     Subtract 5D from both sides
    -2D = -16            Divide both sides by -2
       D = 8 
 Now, plug that D value into the original equation.

K = 3D    Plug in the D value
K = 3(8)   Multiply
K = 24

Finally, you can double check your math.

4 years ago, Daniel would've been 4 and Kevin would be 20, so Kevin would've been 5 times as old as Daniel.  And 8 x 3 = 24.

So, Kevin is 24.
3 0
3 years ago
Read 2 more answers
A moving walkway at an airport moves at a pace of 1.75 feet per second. If you stand on the walkway as it moves, how long will i
sertanlavr [38]
About 3 minutes (2.667 minutes)

7 0
3 years ago
PLEASE PLEASE HELP IM TIMED!! Just look at the picture
barxatty [35]
The first one A 7/2
You can just round up 6.75 -> 7 and 1.67->2
4 0
2 years ago
Read 2 more answers
Hi I need help figuring out the answer and fast
kiruha [24]

Answer:

Plane R

Plane EHG

Plane GHF

Plane FEG

Step-by-step explanation:

I hope this helps, I love geometry.

It is plane R because its cursive, if the R wasn't there it would be any of those letters but three of them.

8 0
2 years ago
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