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3 years ago

7

Get the algebraic expressions in the following cases using variables constants and arthmetic a subtract 1)Subtract 25 from the s

um of a and b 2)square of x is subtracted from square of y

1 answer:

Troyanec [42]3 years ago

5 0

Answer:

1.) (a + b) - 25

2.) sqrt(y) - sqrt(x)

Step-by-step explanation:

when they use the word 'from,' you know that it will be the second term, also dont forget your parentheses

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The area of the sector of a circle with a radius of 8 centimeters is 125.6 square centimeters. The estimated value of pi is 3.14

tangare [24]

$\bf \textit{area of a sector of a circle}\\\\
A=\cfrac{\theta\pi r^2}{360}\qquad 
\begin{cases}
\theta=\textit{angle in degrees}\\
r=radius\\
----------\\
r=8\\
A=125.6
\end{cases}
\\\\\\
360A=\theta\pi r^2\implies \cfrac{360A}{\pi r^2}=\theta\implies \cfrac{360\cdot 125.6}{\pi 8^2}=\theta$

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Flower bed has the shape of a rectangle 24 ft long and 9 ft wide what is the area in square yards

natali 33 [55]

The answer is 24 square yards
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3 years ago

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Vlad [161]

Answer:

$\huge \frac{4}{9}$

Step-by-step explanation:

Given points are: (-4,2) and (5,6)

$slope = \frac{6 - 2}{5 - ( - 4)} = \frac{4}{5 + 4} = \frac{4}{9} \\$

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3 years ago

Eyo whassup??? Whats 5 times 553?

mylen [45]

Answer:

2765

Step-by-step explanation:

5x500=2500

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2 years ago

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How do I solve this?

lakkis [162]

Answer:

$\large\boxed{4\sqrt{-81}+\sqrt{-25}=41i}$

Step-by-step explanation:

$i=\sqrt{-1}\\\\\sqrt{-81}=\sqrt{(81)(-1)}=\sqrt{81}\cdot\sqrt{-1}=9i\\\\\sqrt{-25}=\sqrt{(25)(-1)}=\sqrt{25}\cdot\sqrt{-1}=5i\\\\4\sqrt{-81}+\sqrt{-25}=4(9i)+5i=36i+5i=41i$

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3 years ago