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daser333 [38]
3 years ago
8

Which lines best approximate the directrices of the ellipse? Round to the nearest tenth. x = −4.6 and x = 4.6 x = −3.5 and x = 3

.5 y = −4.6 and y = 4.6 y = −3.5 and y = 3.5
Mathematics
2 answers:
emmasim [6.3K]3 years ago
8 0

Answer:

a little late but the answer is

C aka  y = -4.6 and y = 4.6

Step-by-step explanation:

i just took the unit review test on edg. :)

Vinvika [58]3 years ago
8 0

Answer: c

Step-by-step explanation:

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look that the picture PLSSSS HEELP IM IN A TEST I DID NOT STUDY FOR PLSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSS
max2010maxim [7]

Answer:

1. a

2. d

3. c

4. d?

5. cant answer cause I cannot see the data

4 0
3 years ago
You are designing a ramp where the horizontal distance is twice the vertical rise. what will be the ramp angle to the nearest te
ankoles [38]
Use the definition of tangent

or inv tangent (arctan or atan)

tan(theta) = opposite side/ adjacent side

the vertical rise would be the opposite side, the horozontal distance would be the adjacent side

let rise = y
let distance= x
x=2y

so tan(theta) = y/2y
tan(theta) = 1/2

theta = atan(1/2)

grab a handy dandy calculator, unless you know this conversion off the top of your head
7 0
3 years ago
Least to greatest please
Diano4ka-milaya [45]

Answer:

Step-by-step explanation:

Answer is B.

Square root of 10 is 3.16.

3 and one fourth is 3.25.

3.12, 3.16, 3.24, 3.25

7 0
3 years ago
According to the data, the mean quantitative score on a standardized test for female college-bound high school seniors was 500.
Sveta_85 [38]

Answer:

6.68% of the female college-bound high school seniors had scores above 575.  

Step-by-step explanation:

We are given the following information in the question:

Mean, μ = 500

Standard Deviation, σ = 50

We are given that the distribution of score is a bell shaped distribution that is a normal distribution.

Formula:

z_{score} = \displaystyle\frac{x-\mu}{\sigma}

P(scores above 575)

P(x > 575)

P( x > 575) = P( z > \displaystyle\frac{575 - 500}{50}) = P(z > 1.5)

= 1 - P(z \leq 1.5)

Calculation the value from standard normal z table, we have,  

P(x > 575) = 1 - 0.9332= 0.0668 = 6.68\%

6.68% of the female college-bound high school seniors had scores above 575.

7 0
3 years ago
Help pls I have no idea lol
Phantasy [73]

Answer:

a=7b=9c=4

Step-by-step explanation:

3 0
3 years ago
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