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Nutka1998 [239]
3 years ago
5

Find the indicated values: Given: OA=AC=2 AB is a tangent line Find: AB

Mathematics
1 answer:
nlexa [21]3 years ago
3 0

Step-by-step explanation:

OA=AC=OC=2 (equal triangle)

which means angle O =60 degree

tan 60 = AB / 2

AB = 2 tan 60 =

2 \sqrt{3}

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If 1/2 gallon of paint covers 1/8 of a wall, then how many quarts of paint are needed for the entire wall?
romanna [79]

Answer:

4 gallons

Step-by-step explanation:

The total required quarts of paint is: 8 x 1/2 = 4

6 0
4 years ago
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At a wedding reception, the caterer served fishing chicken. The fish dinner cost $12 per person in the chicken cost $9 per perso
maw [93]

Answer:

80 persons haf fish and 152 persons had chicken

Step-by-step explanation:

Given data

let the number of persons that had fish be x and chicken be y

so

12x+9y=2544------------------1

x+y= 232------------------------2

from 2

x= 232-y

substitute the value of x in 1

12(232-y)+9y=2544

2784-12y+9y=2544

2784-3y=2544

3y= 2784-2544

3y=240

y= 240/3

y=80

put y= 80 in 2

x+80= 232

x= 232-80

x=152

Hence 80 persons haf fish and 152 persons had chicken

5 0
3 years ago
Find the slope of the line that passes through (4.4) and (5,3)
Vera_Pavlovna [14]

Answer:

- 1

Step-by-step explanation:

Slope of the line

=  \frac{3 - 4}{5 - 4}  \\  \\  =  \frac{ - 1}{1}  \\  \\  =  - 1

7 0
3 years ago
Please help me out please
AleksAgata [21]

Answer:

x = -0.8

<CAD = -8

Step-by-step explanation:

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10x = -8 (Divide each side by 10)

x = -0.8

<CAD = 5x - 4

<CAD = 5(-0.8) - 4

<CAD = -4 - 4

<CAD = -8

3 0
3 years ago
The control group in an experiment should:
Helen [10]

Answer:

<em>E. have the same experiences as the treament group, except for</em><em> </em><em>re</em><em>ceiving the treament variable.</em>

4 0
3 years ago
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