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Pavlova-9 [17]
3 years ago
8

Please help with this word problem

Mathematics
1 answer:
Illusion [34]3 years ago
7 0
Comment
There is no exact answer to this. It will have to shown in terms of the width. Also we need to use the Pythagorean Formula

Givens
L = 10 * W
W = W

Formula
L^2 + W^2 = C^2

Solution
(10W)^2 + (W^2) = C^2
C^2 = 100W^2 +W^2
C^2 = 101W^2                   Now take the square root.
C = sqrt(101W^2)
C=  W*sqrt(101)                <<<<< Answer. I think this is what they mean
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The Downtown Community Barbecue served 280 dinners. A child’s plate cost $2.60 and an adult’s plate cost $9.50. A total of $1,79
Romashka-Z-Leto [24]

Answer:

the number of child plates and adults plates were served is 125 and 155 respectively

Step-by-step explanation:

Let us assume the child plate be x

And, the adult plates be y

Now according to the question

x + y = 280 .................(1)

2.60x + 9.50y = 1797.50 .............(2)

Now multiply by 2.60x in equation (1)

2.60x + 2.60y = 728

2.60x + 9.50y = 1797.50

-6.90y = -1069.50

y = 155

So, x = 280 - 155

= 125

hence, the number of child plates and adults plates were served is 125 and 155 respectively

8 0
2 years ago
There is only one freshman in the cast of a high school play. There are 6 sophomores and 11 juniors. One third of the cast are s
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Let X = total students in musical


 

Then (1/3) X = number of seniors


 

  1 + 6 + 11 + (1/3)X = X


 

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                          27 = X


 

27 students in musical of which one third are seniors,  

there are 9 seniors in musical


hope this helped!

6 0
3 years ago
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110°, 30°, 40°

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In ΔNOP, \overline{NP} NP is extended through point P to point Q, \text{m}\angle OPQ = (9x-19)^{\circ}m∠OPQ=(9x−19) ∘ , \text{m}
kow [346]

Answer:

To find the measure of angle OPQ, we have two equations...

y+5x-17=180 because angles OPN and OPQ are supplementary...

AND

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Since we wanted to solve for y, 122 is the answer.

The measure of angle OPQ is 122.

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