Answer:
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Step-by-step explanation:
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2x^2-7=4
subtract 4 from both sdies
2x^2-11=0
therefor
2x^2=11
divide by 2
x^2=5.5
square root both sdies
x=-2.345 or 2.345
The value of c in the parallelogram is 45
<h3>How to determine the value of c?</h3>
From the question, we have the following parameters:
- Parallelogram PARL is similar to parallelogram WXYZ.
- AP = 15, PL = 25, and WZ= 75
To calculate the value of c, we make use of the following equivalent ratio.
AP : PL = XW : WZ
Substitute the known values in the above equation
15 : 25 = c : 75
Express the above equivalent ratio as fractions
15/25 = c/75
Multiply both sides of the equation by 75
75 * 15/25 = c/75 * 75
Evaluate the product
75 * 15/25 = c
Evaluate the product
1125/25 = c
Evaluate the quotient
45 = c
Rewrite the equation as
c = 45
Hence, the value of c in the parallelogram is 45
Read more about similar parallelograms at
brainly.com/question/10713530
#SPJ1
the answer is the third one
