3 years ago

Which shape can be classified as a rectangle? Rhombus Square Trapezoid Parallelogram (1 answer choice)

Mathematics

2 answers:

Zepler [3.9K]3 years ago

8 0

Answer:

Paralleogram:

Explanation:

A parallelogram is the closed thing with 4 sides

Even though a square had 4 sides

So a I'd defined as a Parallelogram....:)

lyudmila [28]3 years ago

5 0

Answer:

parallelogram. is the answer

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A company’s total cost from manufacturing and selling x units of their product is given by: y = 2x^2 – 600x + 49,000. How many u

AysviL [449]

Answer:

number of units for cost to be minimum=150

Step-by-step explanation:

y=2x^2-600 x+49000

dy/dx=4x-600

dy/dx=0 gives 4x-600=0

4x=600

x=150

d^2y/dx^2=4x

at x=150,d^2y/dx^2=4*150=600>0

so y is minimum at x=150

3 0

3 years ago

Solve the Quadratic Equation By Completing the Square b^2-15b-54=0

vladimir1956 [14]

$b^{2}-15b-54=0. \newline
b^{2}-15b=54. \newline
b^{2}-15b+(\frac{15}{2})^{2}=54+(\frac{15}{2})^{2}. \newline
(b-\frac{15}{2})^{2}=\frac{441}{4}. \newline
b-\frac{15}{2}=\pm\frac{21}{2}. \newline
b=\pm\frac{21}{2}+\frac{15}{2}. \newline
b_1 = -3, b_2 = 18.$