Which of the following statements are correct?

Mathematics

1 answer:

user100 [1]2 years ago

8 0

The statement that is correct is E

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Last year the profit for a company was $327,000. This year's profit decreased by 3.7%. Find this year's profit.

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Answer: $314,901

Step-by-step explanation: 3.7% of $327,000 is $314,904

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2 years ago

What is the relationship and what is the M

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Step-by-step explanation:

Opposite sides are congruent and measure the exact same thing

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Answer plz this is on khan academy

Vera_Pavlovna [14]

Answer:

Step-by-step explanation:

This graph represents the inequality x < 2. you may be confused as to why the answer is not x ≤ 2, but the circle at the start of the line is not shaded in. This tells us that an answer to this inequality cannot be x

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2 years ago

What are the roots for x^2+47=3 2x^2+50=4 2x^2+85=7

erastovalidia [21]

$x^2+47=3\ \ \ |-47\\x^2=-44\\if\ x\in\mathbb{R}\ then\ x\in\O\\if\ x\in\mathbb{C}\ then\ x=\sqrt{-44}=i\sqrt{44}=i\sqrt{4\cdot11}=\boxed{2\sqrt{11}i}\\---------------------------\\2x^2+50=4\ \ \ |-50\\2x^2=-46\ \ \ \ |:2\\x^2=-23\\if\ x\in\mathbb{R}\ then\ x\in\O\\if\ x\in\mathbb{C}\ then\ x=\sqrt{-23}=\boxed{\sqrt{23}i}\\---------------------------\\2x^2+85=7\ \ \ |-85\\2x^2=-78\ \ \ \ |:2\\x^2=-39\\if\ x\in\mathbb{R}\ then\ x\in\O\\if\ x\in\mathbb{C}\ then\ x=\sqrt{-39}=\boxed{\sqrt{39}i}$

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3 years ago

The height of one tank of capacity 30 cubic feet is 5.0 feet. What would be the height of a tank, with an equally sized base, of

DochEvi [55]

Answer:

$\large \boxed{\text{4.5 ft}}$

Step-by-step explanation:

The formula for the volume of a tank is

V = base × height

If we are comparing two tanks with equal bases,

$\begin{array}{rcl}\dfrac{V_{2}}{V_{1}} & = & \dfrac{h_{2}}{h_{1} }\\\\\dfrac{27}{30} & = & \dfrac{h_{2}}{5.0}\\\\0.90 & = & \dfrac{h_{2}}{5.0}\\\\h_{2} & = & \textbf{4.5 ft}\\\end{array}\\\text{The height of the second tank would be $\large \boxed{\textbf{4.5 ft}}$}$

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3 years ago