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coldgirl [10]
3 years ago
11

15 POINTS,ANSWER QUICKLY Think about all of the ways in which a line and a parabola can intersect. Select all of the number of w

ays in which a line and a parabola can intersect.

Mathematics
2 answers:
hammer [34]3 years ago
6 0

Answer:

0,1,2

Step-by-step explanation:

ale4655 [162]3 years ago
3 0

<u>Answer:</u>

3 ways


<u>Explanation:</u>

We know that a parabola has a second degree equation), while a line has a first degree equation.


To get the points of intersection, we will need to solve both simultaneously.

Solving them, we can reach a maximum of two solutions, however, other scenarios are also possible.


<u>Possible scenarios:</u>

1- no intersection occurs as shown in the first attachment

2- one intersection occurs as shown in the second attachment

3- two intersections occur as shown in the third attachment


Based on the above, there are three ways where the line and parabola can intersect


Hope this helps :)


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Determine the point estimate of the population proportion, the margin of error
ahrayia [7]

Answer:

\hat p=0.645\\\\ME=0.233\\\\x=645 \ individuals

Step-by-step explanation:

-Given the boundaries as 0.412 and 0.878

-\hat p is the point estimate for the population proportion and is calculated as follows:

\hat p=\frac{Upper \ Bound+Lower \ Bound}{2}\\\\=\frac{0.878+0.412}{2}\\\\=0.645\\\\

#The margin of error, ME can be calculated for the confidence intervals using the formula:

ME=\frac{Upper \ Bound-Lower \ Bound}{2}\\\\=\frac{0.878-0.412}{2}\\\\=0.233

#The number of individuals in the sample is the product of the point estimate and population size:

\hat p=\frac{x}{n}\\\\x=\hat pn\\\\=0.645\times 1000\\\\=645

Hence, there are 645 individuals in the sample.

8 0
3 years ago
Felix and Oscar own a pastry shop. Working alone Felix can decorate 8 dozen cookies in 90 minutes. Oscar, on
Bingel [31]

<em>Working together</em>, decorating 16 dozens of cookies will take 103 minutes.

<u>Let's calculate theor individual work rate</u> :

  • Rate = 1/ time

Felix's rate = 1/90

Oscar's rate = 1/120

Combined rate = 1/90 + 1/120 = (4 + 3) / 360 = 7/360

<u>Time taken for both of the to decorate 8 dozens</u> :

Reciprocal of their combined rate = 1 ÷ (7/360) = 51.428571 minutes

<u>Hence, the time taken to decorate 16 dozens will be</u> :

(16/8) × 51.428571 = 102.857 = 103 minutes (nearest while number).

Learn more :brainly.com/question/18796573

8 0
2 years ago
PLEASE HELP FAST ILL GOVE YOU AS MUCH POINTS AS YOU NEED! PLEASE ANDWER ONLY IF YOU KNOW! I REALLY NEED THIS!!
Aliun [14]

Answer: It has to be b if not sorry

6 0
2 years ago
Read 2 more answers
☡☡☡HEEEELLLPPPP☡☡☡<br>please i dont understand<br>No links​
jok3333 [9.3K]

Answer:

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Step-by-step explanation:

The line of best fit is the line that best fits the data / points. This line is already graphed for us, nice!

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Have a nice day!

     I hope this is what you are looking for, but if not - comment! I will edit and update my answer accordingly. (ノ^∇^)

- Heather

6 0
2 years ago
If 1679 parts are made in 7 hours, what is the average rate at which these parts are being made per hour?
luda_lava [24]
1679/7
=239.85...
Rounds to 240
So average rate is 240
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