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Svetllana [295]
3 years ago
10

The parabola has focus (0, 6) and vertex at the origin The equation is :

Mathematics
1 answer:
ozzi3 years ago
6 0
Y=1/24x^2 I think is the answer
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At a preschool 16 of the students are four years old of a four year olds 3/8 attended the full day program how many other studen
Nikitich [7]

Answer:

6 students at the preschool of four years old attended the full day program.

Step-by-step explanation:

Given:

Number of four years old students = 16

fraction of four years old students attended full day program = \frac{3}{8}

We need to find the number of four years old students attended the full day program.

Solution:

Now we can say that;

number of four years old students attended the full day program is equal to fraction of four years old students attended full day program multiplied by Number of four years old students.

framing in equation form we get;

number of four years old students attended the full day program = \frac38\times 16 =6

Hence 6 students at the preschool of four years old attended the full day program.

8 0
3 years ago
suppose that incomes of families in Newport Harbor are normally distributed with a mean of $750,000 and a standard deviation of
denis23 [38]

Answer: 0.345

Step-by-step explanation:

Given : The incomes of families in Newport Harbor are normally distributed with Mean : \mu=\$ 750,000 and Standard deviation : \sigma= $250,000

Samples size : n=4

Let x be the random variable that represents the incomes of families in Newport Harbor.

The z-statistic :-

z=\dfrac{x-\mu}{\dfrac{\sigma}{\sqrt{n}}}

For x= $800,000

z=\dfrac{800000-750000}{\dfrac{250000}{\sqrt{4}}}=0.4

By using the standard normal distribution table , we have

The probability that the average income of these 4 families exceeds $800,000 :-

P(x>80,000)=P(z>0.4)=1-P(z\leq0.4)\\\\=1-0.6554217=0.3445783\approx0.345

Hence, the probability that the average income of these 4 families exceeds $800,000 =0.345

6 0
4 years ago
Tina is packing for a five-day trip. She has one blue, one red, one white, one green, and one grey t-shirt. Tina will not wear e
yaroslaw [1]

Answer:

C. 4/5

Step-by-step explanation:

1-p(White t shirt)= 1- 1/5 =4/5

8 0
3 years ago
Please I need help With this question
Marizza181 [45]
Me. Hamel is the answer I believe. 9x4=36 4 sides each one is 9. :)
8 0
3 years ago
What is the negative reciprocal of -0.3
Mazyrski [523]

Answer:

3.33333333333

Step-by-step explanation:

flip the number

7 0
3 years ago
Read 2 more answers
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