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3 years ago

Explain to different ways it is possible to add to rational numbers and get a negative number

1 answer:

4 0

Same sign add different sign subtract that means if their both positive you add and if one is positive and the other is negative you subtract

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4/25 or 0.16

Step-by-step explanation:

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2 years ago

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What is the slope of the line passing through the points.

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Step-by-step explanation:

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3 years ago

What is the sum of the lengths of the shortest and longest ski trails? pls help with number 5

d1i1m1o1n [39]

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Step-by-step explanation:

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2 years ago

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What is the value of x? Enter your answer in the box. x =

Oliga [24]

$\star \blue{ \frak{To \: find :}}$

$\\ \\$

value of x

$\\ \\$

$\star \blue{ \frak{solution:}}$

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So to find value of x , we have to apply Linear Pair.

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Equation formed:

$\\ \\$

$\bigstar \boxed{ \tt(10x - 20) \degree + (6x + 8)\degree = 180 \degree} \\$

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Step by step expansion:

$\\ \\$

$\dashrightarrow \sf(10x - 20) \degree + (6x + 8)\degree = 180 \degree \\$

$\\ \\$

$\dashrightarrow \sf10x - 20 \degree + 6x + 8\degree = 180 \degree \\$

$\\ \\$

$\dashrightarrow \sf10x +6x- 20 \degree + 8\degree = 180 \degree \\$

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$\dashrightarrow \sf16x- 20 \degree + 8\degree = 180 \degree \\$

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$\dashrightarrow \sf16x- 12\degree = 180 \degree \\$

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$\dashrightarrow \sf16x = 180 \degree + 12\degree\\$

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$\dashrightarrow \sf16x =192\degree\\$

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$\dashrightarrow \sf \: x = \frac{192\degree}{16\degree} \\$

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$\dashrightarrow \sf \: x = 12 \degree$

$\\ \\$

$\therefore \underline {\textsf{\textbf{Value of x is \red{12\degree}}}}$

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2 years ago

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What is the biggest area of a quadrilateral you can fit in a circle that has a

erik [133]

Answer: 200 square units

Step-by-step explanation:

Given

Circumference of the circle is $20\pi$

Suppose r is the radius of the circle

The biggest area of a quadrilateral that can fit in a circle is of square.

Deduce the radius of the circle

$2\pi r=20\pi\\r=10\ \text{units}$

Suppose the side of the square is a

from the figure, we can write

$\Rightarrow a^2+a^2=(2r)^2\\\Rightarrow 2a^2=4r^2\\\Rightarrow a=\sqrt{2}r\\\Rightarrow a=10\sqrt{2}\ \text{units}$

Area of the quadrilateral is

$\Rightarrow A=(10\sqrt{2})^2\\\Rightarrow A=100\times 2\\\Rightarrow A=200\ \text{square units}$

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3 years ago