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Answer:
m=52.17
Step-by-step explanation:
<em>The complete question in Spanish is</em>
El área de la región rectangular es 4400 cm2. Calcular el valor de m
largo :2m-20
ancho: m
<em>The question in English is</em>
The area of the rectangular region is 4400 cm2. Calculate the value of m
length :2m-20
width: m
we know that
The area of a rectangle is equal to
where
L is the length
W is the width
we have
substitute in the formula the given values and solve for m
Distribute in the right side
Solve the quadratic equation by graphing
Using a graphing tool
The solution is m=52.17 (the positive value is the solution)
see the attached figure
Answer:
Real part = -5
Step-by-step explanation:
The real part of a complex number of the form a+bi, is that which doesn't have the "i" (imaginary unit) factor. therefore the real part is "a"
In this case (-5+3i) the real part is -5.
Answer:
multiply across
Step-by-step explanation:
3/1 × 1/7 = 3/7