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geniusboy [140]
3 years ago
15

What is the vertex of Y=-1/2(x+4)squared+1

Mathematics
1 answer:
n200080 [17]3 years ago
6 0
Https://www.desmos.com/calculator use this to graph your equations like this, it is very helpful to solve difficult math problems like these. :) The vertex is (-4,1) and even shows it on the graph
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A poll of 793 adults aged 18 or older asked about purchases that they intended to make for the upcoming holiday season. One of t
Ira Lisetskai [31]

Answer:

(0.5793, 0.6363)

Step-by-step explanation:

Given that a  poll of 793 adults aged 18 or older asked about purchases that they intended to make for the upcoming holiday season. One of the questions asked about what kind of gift they intended to buy for the person on whom they would spend the most. Clothing was the first choice of 482 people.

i.e. sample proportion p= \frac{482}{793} =0.608

q=1-p = 0.392

Std error of p = \sqrt{pq/n} =0.0173

For 90% Z crtiical = 1.645

Hence margin of error = 1.645 * std error = 0.0285

Confidence interval 90%

= proportion ±margin of error

=(0.5793, 0.6363)

3 0
3 years ago
Which equations are true?<br>A: -x = -x + x + 0<br>B: -x = 0 + (-x)<br>C: None Of The Above ​
Leto [7]
Answer: B
Explanation: if you look at A and try to combine like terms, you will add the -x on the right side the the one on the left, cancelling out the x on the left. then you have 0=x+0, and unless x=0, it is not true.
With B, when you add x to the -x, you cancel it out, giving you 0=0, which is true. hope it helps!
3 0
2 years ago
Please help me with this properties of circles maze. If you can’t see the lower left box is 56 degrees.
Lubov Fominskaja [6]
What is the lower left box?
5 0
3 years ago
What are the next three terms of the pattern 18, 14, 10, 6,....
mart [117]

Step-by-step explanation:

the next ones are 2, -2, -6,-10,-14,-18 and so on

8 0
3 years ago
Read 2 more answers
Please answer :puppy eyes emoji:
Anettt [7]
Well ven diagrams help you visually compare and contrast two figures. They helps you note the similarities and the differences between two items. Hope this helps!
8 0
2 years ago
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