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allsm
3 months ago
15

which shows the correct substitution of the values a, b, and c from the equation 0 = – 3x2 – 2x 6 into the quadratic formula? qu

adratic formula: x =
Mathematics
1 answer:
tester [12.3K]3 months ago
4 0
-3x^2-2x (+-)6=0
ax^2+bx+c
a=-3
b=-2
c= either positive or negative 6 (the question does not specify plus or minus)
What options are available? That could help. 
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Rachel, Adam, Michelle, Hannah, and James are going to the movies. They have $65 to spend on tickets and snacks. Each movie tick
PIT_PIT [12445]

Steps for solving:

47.5 + 4.5x ≤ 65.

~ Subtract 47.5 from both sides.

4.5x ≤ 17.5.

~ Divide both sides by 4.5.

x ≤ 3.8888888889...

Thus, they will indeed need to share the snacks.

Best of luck!

3 0
3 months ago
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Laura placed a bucket of water in her garden. Over the course of a week, she watched the water evaporate and recorded the volume
Zina [12379]

Response:

1. 0.5 L; 2. 5.00 L  

Detailed explanation:

V = 5.00 - 0.5n

Including units, the equation can be expressed as

V(in litres) = 5.00 L - (0.5 L/day) × (n days)

1. Evaporation rate

When units are included, it becomes clearer that water is evaporating at a rate of 0.5 L per day. In essence, 0.5 L evaporates daily.

The negative sign indicates a reduction in water volume.

2. Initial volume

Initially, when n = 0, we find

V = 5.00 - 0.5×0 = 5.00 - 0 = 5.00 L

This means the bucket originally held 5.00 L of water.

 

4 0
3 months ago
15 points!!!
PIT_PIT [12445]
8+292=300

8 out of 300 were defective.

\frac{8}{300}=\frac{x}{3000} \\ \\ 8*3000=300*x \\ \\ 24000=300x \\ \\ 80=x

That corresponds to 80 pairs being defective
4 0
2 months ago
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Study the partial work shown for the following division problem.
zzz [12365]

Answer:

-14x is different from 12x², thus they cannot be combined.

To avoid this mistake, ensure that similar terms are properly aligned.

Step-by-step explanation:

3 0
3 months ago
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