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omeli [17]
2 years ago
15

I’ll give points and brainalist for correct answer (:

Mathematics
2 answers:
ra1l [238]2 years ago
7 0

Answer:

B. asking 25 seniors in the cafeteria during lunch    

Step-by-step explanation:

hope this helps, have a nice day :)

Taya2010 [7]2 years ago
3 0

Answer:

a

Step-by-step explanation:

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What is the equation of the parabola with a directrix at y = 4 and focus (0, -4).
Svet_ta [14]
Given that the directrix is at y = 4 and the focus is at (0, -4), then the vertex is at (h, k) = (0, 0).
p is the distance between the vertex and the focus and between the vertex and the directrix = 4 and since the focus is below the directrix, p is negative, i.e. p = -4
Equation of a parabola is given by (x - h)^2 = 4p(y - k)
Therefore, the required equation is (x - 0)^2 = 4(-4)(y - 0)
x^2 = -16y
y = -1/16 x^2
3 0
3 years ago
Green Fencing Company will install the fence
LUCKY_DIMON [66]

The company would charge $837.50 to build the fence.

Installing a fence would cost $62.50 per hour.

It will take 13²/₅ hours to install this fence.

The cost would be:

<em>= Cost per hour x Number of hours taken </em>

Number of hours it would take should be converted to improper fraction to be multiplied:

13²/₅ = 67/5 hours

Cost is:

= 62.50 x 67/5

= $837.50

In conclusion, it would cost $837.50 to build the fence.

<em>Find out more at brainly.com/question/14652608. </em>

3 0
2 years ago
a dealership purchase a four door sedan for $17000 and then sold it at a 15% markup. the dealership paid the buyer $4000 for the
postnew [5]
15% markup on $17,000 = 17000*.15=$2550
25% markup on $4,000 = 4000*.25 = $1000

now just add the two markups.

8 0
3 years ago
Read 2 more answers
HELP PLEASE!!!<br> (A) 45<br> (B) 90<br> (C) 30<br> (D) 60
stealth61 [152]

Answer:

its B, 90

Step-by-step explanation:

thats a right triangle so the r angle is 90

4 0
3 years ago
Please help me quickly
Mumz [18]
Y is less than or equal to -1
7 0
3 years ago
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