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marusya05 [52]
3 years ago
11

To find the height of a giant ice cream cone outside of an ice cream parlor, Jayda places a mirror on the ground 320 inches from

the base of the cone. Then Jayda stepped back 28 inches so that she could see the top of the ice cream cone in the mirror. Jayda’s eyes were approximately 62 inches above the ground. What is the height of the ice cream cone? Round to the nearest whole number. (no decimal)
Mathematics
1 answer:
IgorC [24]3 years ago
4 0

To find the height of a giant ice cream cone outside of an ice cream parlor, Jayda places a mirror on the ground 320 inches from the base of the cone. Then Jayda stepped back 28 inches so that she could see the top of the ice cream cone in the mirror. Jayda’s eyes were approximately 62 inches above the ground. What is the height of the ice cream cone? Round to the nearest whole number. (no decimal)

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The data shows the total number of employee medical leave days taken for on-the-job accidents in the first six months of the yea
Inga [223]

Answer:

90

Step-by-step explanation:

The sum of squares of the deviation from mean=sum(x-xbar)²=?

x

12

6

15

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xbar=sumx/n

xbar=(12+6+15+9+18+12)/6=72/6=12

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12      12-12=0     0

6       6-12=-6     36

15      15-12=3      9

9       9-12=-3       9

18      18-12=6      36

12      12-12=0      0

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3 0
3 years ago
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eimsori [14]

<u>Answer:</u>

-10,1,19

<u>Step-by-step explanation:</u>

<u></u>

x+y+z = 10 (Equation 1)

2y-x= 12  (Equation 2)

x-y+2z = 7 (Equation 3)

(Equation 2): -x = -2y+12

                       x = 2y-12 (Equation 4)

(Equation 1) - (Equation 3): 2y-z = 3

                                              -z = -2y+3

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Substitute (4) and (5) into (1)

x+y+z = 10

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5y = 5

y=1

Substitute y=1 into (2)

2y-x= 12

2(1)-x= 12

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Substitute y=1 and x=-10 into (1)

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z-9 = 10

z = 10+9

z = 19

Order: x = -10, y = 1, and z = 19

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3 years ago
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