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mel-nik [20]
3 years ago
14

Help and show steps pls

Mathematics
1 answer:
Ghella [55]3 years ago
4 0
You can immediately see that the vertex is located at (-3,-2) and that the y-intercept is 7 or very close to 7.

The general equation for a parabola with vertex at (h,k) is 

y-k = (x-h)^2, and from that and the given info, we get:

y-(-2) = (x-(-3))^2, or  y+2 = (x+3)^2, or y = (x+3)^2 - 2.  
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a family has 8 girls and 4 boys. a total of 3 children must be chosen to speak on behalf of their family at a local benefit. wha
stiv31 [10]
<span><span><u>Answer</u>
</span><span>1/55

</span><span><u>Explanation</u>
</span><span>The probability of an event is a chance of it happening. It is calculated as;
Probability =(fouvarable outcome)/(total outcome)
Since we are finding the probability of no girl will be chosen, it is like finding the probability of choosing 3 boys.
The probability of choosing the first boy =4/12
The probability of choosing the second boy =3/11
The probability of choosing the third boy =2/10
The probability of choosing the 3 boys will be,
=4/12×3/11×2/10
=24/1320
=1/55
</span></span>
7 0
4 years ago
Read 2 more answers
A frame shop owner is working with her apprentice, who takes four times as long as
Lunna [17]

Answer:

1 hour

Step-by-step explanation:

25min=1 poster for the shop owner

25×4=100

100×8=800

800÷25=32 posters in 8hrs for the shop owner

1hr×8=8 posters for the apprentice

thus 40 in total

6 0
4 years ago
Let f(p) be the average number of days a house stays on the market before being sold for price p in $1,000s.
vampirchik [111]
<span>The <u>correct answer</u> is:

This is the average number of days the house stayed on the market before being sold for $150,000.

Explanation<span>:

f(p) is defined as the average number of days a house stays on the market before being sold for price p (given in $1000).

We want f(150); this means p=150. Since p is in thousands of dollars, this means the price of the house was $150,000.

This means f(150) is the average number of days the house stayed on the market before being sold for $150,000.</span></span>
4 0
4 years ago
Read 2 more answers
_____________________________<br><br>​
torisob [31]

I'm fish so I breathe through my gills, can relate tho

8 0
3 years ago
Help Me Please I will Give Brainliest If Correct!!!
disa [49]

Answer:

8^-2a^7 = a^7/8^2 = a^7/64

Step-by-step explanation:

6 0
3 years ago
Read 2 more answers
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