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Tpy6a [65]
3 years ago
7

21. Paula casts a shadow 2 meters long at the same time a tree casts a shadow 28 meters long. The tree is 17.smeters tall. How t

all is Paula?A. 1.25 metersD. 2.8 metersB. 1.75 metersC. 2.5 meters

Mathematics
1 answer:
UNO [17]3 years ago
7 0
1.9 meters long not any of the above choices
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The cubic polynomial below has a double root at r4 and one root at x = 6 and passes Through the point (2, 36) as shown. Algebrai
qaws [65]

The graph in the question is missing.

Answer:

y  = \frac{-1}{4}( x^3 + 2x^2 - 32x -96)

Step-by-step explanation:

The function is cubic

It has roots as -4, -4 , 6

this means the value of x = -4, -4 , 6 which makes the entire equation zero

so we have solutions as

x+4 = 0

x+4 = 0

x- 6 = 0

on forming a cubic equation using these

(x+4)(x+4)(x-6)

the equation passes through (2,36)

put x = 2

(2+4)(2+4)(2-6) = (6)*(6)*(-4)

which exceeds 36 so we product the equation with -1/4 to get 36

Final equation

y = \frac{-1}{4} (x+4)(x+4)(x-6)

  y  = \frac{-1}{4}( x^3 + 2x^2 - 32x -96)

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2 years ago
Gio ran 5 miles yesterday. This distance is 80% of the distance he planned to run.
aleksklad [387]

Answer:

Gio planned to 6 miles.

Step-by-step explanation:

this is because  5 - 80% = 1

which means he wanted to run 1 more mile

which also means that he planned to run 6 miles

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Step-by-step explanation:

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Find out what make 30 with only the number 1,3,5,7,9,11,13,15
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Answer:

Step-by-step explanation:

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The first one is 11 and -11 because when you square them they both get 121
The second one is -7 and -1 
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