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Goshia [24]
3 years ago
9

In the diagram, the lenght of segment BC is 23 units. What is the lenght of segment DC?

Mathematics
2 answers:
tekilochka [14]3 years ago
6 0
The length of the segment is 33 units
natta225 [31]3 years ago
3 0
AB = BC
2x + 7 = 23
2x = 16
x =8

AD = 4x + 1 = 4(8) + 1 =33
but
AD = DC
so
DC = 33


answer
D. 33 units
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katovenus [111]
<h3>The dietitian provide 2.5 numbers of salmon steak, 1 baked egg and 2 acorn squash for the patient. </h3>

Step-by-step explanation:

Let

Number of salmon steak = x

Number of baked eggs =y

and Number of acorn squash =z

Total amount of protein that is provided to the patient =40 x +20 y+3 z

Total amount of carbohydrates that is provided to the patient = 20 x+2y +15z

Total amount of vitamin A that is provided to the patient = x+25 y+ 37z

According to the problem,

40x+20y+3z=126,     20x+2y+15z=82    and   x+25y+37z= 101.5

Solving the above equations

we get x= 2.5 ,y= 1 and z=2

So ,  The dietitian provide 2.5 numbers of salmon steak, 1 baked egg and 2 acorn squash for the patient.

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3 years ago
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Answer:

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Step-by-step explanation:

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4 years ago
Using the discriminant, how many real solutions does the following quadratic
vazorg [7]

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0

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