3 years ago

Which of the following numbers is a square number? Check all that apply.

Mathematics

1 answer:

svetoff [14.1K]3 years ago

6 0

A and D are square numbers.

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A sample of 260 students enrolled at a university were asked what they intended to do after graduation. The results are shown be

vovikov84 [41]

ANSWER

$30\%$

EXPLANATION

The total number of students can be calculated by adding all the frequencies.

From the graph the total frequency is,

$39+117+78+26 =260$

The number of students who intend to go into state or local government after graduation is 78.

The percentage of students who intend to go into state or local government after graduation

$= \frac{78}{260} \times 100\%$

$= \frac{3}{10} \times 100\%$

$= 30\%$

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3 years ago

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What is the following sum? 2(^3√16x^3y)+4(^3√54x^6y^5)

victus00 [196]

Option A: 4x(^3√2y)+12x^2y(^3√2y^2)

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3 years ago

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the number of hours,h, it takes to wash c numbers of cars at a school fundraiser is inversely proportional to the number of stud

Alex787 [66]

$\bf \qquad \qquad \textit{inverse proportional variation}
\\\\
\textit{\underline{y} varies inversely with \underline{x}}\qquad \qquad y=\cfrac{k}{x}\impliedby 
\begin{array}{llll}
k=constant\ of\\
\qquad variation
\end{array}\\\\
-------------------------------\\\\
\stackrel{\textit{\underline{h}ours to wash a car, is inversely proportional to \underline{s}tudents working on it}}{h=\cfrac{k}{s}}$

3 0

3 years ago

Help Me please i need some help :)

DanielleElmas [232]

A=45
Explanation:
A= a+b/2*h

7 0

2 years ago

The sides of a rectangle are in the ratio 2:5. The perimeter of the rectangle is 70 cm. What is the width of the rectangle?

EleoNora [17]

Width = 10cm

Length = 25cm

<u>Explanation: </u>

Given, width:length = 2:5

Let width = 2x ,

So, length = 5x

Perimeter of rectangle = 2x(length + width)

According to the question,

$70cm = 2X(5x + 2x)\\70cm = 2X(7x)\\35cm = 7x\\x = 5cm$

Hence,

Width = 10cm

Length = 25cm

4 0

2 years ago