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3 years ago

6

Given the formula for the perimeter of a rectangle where l represents the length and w represents the width. 2(l + w) What does

the 2 represent in this formula?

1 answer:

Klio2033 [76]3 years ago

3 0

The fact that there are two length sides and two width sides.

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?<br> Which expression represents three minus the quotient of five divided by x?

kipiarov [429]

Answer:

The correct answer is B.

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3 years ago

How can you use the distributive property to find the product of 5 and 6723?

djyliett [7]

The DISTRIBUTIVE PROPERTY is when you distribute the number to certain numbers

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4 years ago

What is the sum of the first 5 terms of geometric series with a1=10 and r=1/5

steposvetlana [31]

$\bf \qquad \qquad \textit{sum of a finite geometric sequence}
\\\\
S_n=\sum\limits_{i=1}^{n}\ a_1\cdot r^{i-1}\implies S_n=a_1\left( \cfrac{1-r^n}{1-r} \right)\quad 
\begin{cases}
n=n^{th}\ term\\
a_1=\textit{first term's value}\\
r=\textit{common ratio}\\
----------\\
a_1=10\\
n=5\\
r=\frac{1}{5}
\end{cases}$

$\bf S_5=10\left( \cfrac{1-\left( \frac{1}{5} \right)^5}{1-\frac{1}{5}} \right)\implies S_5=10\left( \cfrac{1-\frac{1}{3125}}{\frac{4}{5}} \right)
\\\\\\
S_5=10\left( \cfrac{\frac{3124}{3125}}{\frac{4}{5}} \right)\implies S_5=10\cdot \cfrac{781}{625}\implies S_5=\cfrac{1562}{125}$

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3 years ago

How are x and y related in the equation 7 (x - y) = 0?

Firdavs [7]

B is the correct answer, i believe

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3 years ago

Tomas needs to cut a piece of wood for a model airplane he is building. He has four pieces of wood: 5 feet, 4 feet, 6 feet, and

blagie [28]

Answer:

Step-by-step explanation:

Alright, lets get started.

Tomas has four pieces of wood having each length = 5, 4, 6 and 3

The length of wood he needs to cut to make a model airplane = $\sqrt{11}$

Simplifying, it is 3.32 feet long

Means he needs more than 3 feet but less than 4 feet of wood piece.

So, he should select 4 feet length of wood because selcting 3 feet will not fulfilled to make his model and selcting 5 and 6 feet will have more unused wood.

4 feet piece of wood he should cut to have the least amount of unused wood. : Answer

Hope it will help :)

4 0

4 years ago