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Aleonysh [2.5K]
3 years ago
15

Given a parabola with the vertex at the origin and the directrix at x=7 determine the direction the parabola opens. A. down B. l

eft C. right D. up
Mathematics
2 answers:
valkas [14]3 years ago
6 0
It will open to the left

because the directrix is a vertical line through x=7  and the focus will be on negative side of the x axis
Valentin [98]3 years ago
5 0
I think the answer is b but im not sure
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65000÷9330
Nataly [62]

Step-by-step explanation:

1.answer is 6.9667738478

2 answer is 42.872454448

3answer is 14.1339764202

4answer is 0.0857449089.

8 0
3 years ago
Help ASAP! Correct answer will be marked BRAINLIEST!!!
Nataly_w [17]

Answer:

not telling u the answer but first multiply 2 x 2 1/2 (4 1/2) then add that to 6 2/5

Step-by-step explanation:


5 0
3 years ago
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Which of the following changes gives no evidence that a chemical reaction has taken place?
grigory [225]
I think the correct answer for this is 
a cube of solid forms a puddle of liquid 
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5 0
3 years ago
8 is 75% of what number
lisov135 [29]

Answer:

10.6

Step-by-step explanation:

8 0
3 years ago
Read 2 more answers
5
Dimas [21]

Answer:

0.150 < (Proportion of Sandy's pie) < 0.167

15% < (Percentage of Sandy's pie) < 16.7%

Step-by-step explanation:

Total percentage of pie = 100% or 1

George, Sandy, Carlos, and Michelle all ate a piece of the pie.

George ate a fraction of 0.150

Michelle ate a fraction of (1/6) = 0.167

Carlos ate a fraction of (1/7) = 0.143

The amount of pie left = 1 - 0.15 - (1/6) - (1/7) = 0.5405

And Sandy is known to eat more than two of her friends, but less than one of them.

Of the amount of pie eaten by the first 3 friends, (1/6) is the highest proportion.

Hence, it is evident that Sandy ate more than 0.143 and 0.150 (Carlos and George) but less than Michelle (0.167).

So, mathematically, the possible proportion of cake that Sandy ate is

0.150 < (Proportion of Sandy's pie) < 0.167

Hope this Helps!!!

7 0
3 years ago
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