3 years ago

What figure is always a rectangle and a rhombus?

Mathematics

1 answer:

katrin [286]3 years ago

7 0

Answer:

square

Step-by-step explanation:

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PLEASE HELP WITH THIS ILL GIVE BRAINLIEST

Mrrafil [7]

Answer:

$\text{a. }x=7, x=-7, \\\text{b. }x=16, x=-16, \\\text{c. }x=3, x=-17, \\\text{d. }x=7, x=-7$

Step-by-step explanation:

For $|x|=y$ , we have two cases:

$\begin{cases}x=y, \\x=-y\end{cases}$

Using this, we can solve all four of the problems:

$\text{a. }|x|=7,\\\begin{cases}x=7, \\x=-7\end{cases}$

$\text{b. }|2x|=32,\\\begin{cases}x=16, \\x=-16\end{cases}$

$\text{c. }|x+7|=10,\\\begin{cases}x+7=10, x=\boxed{3,} \\x+7=-10, x=\boxed{-17}\end{cases}$

$\text{d. }5|x|=35,\\\begin{cases}x=7, \\x=-7\end{cases}$

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3 years ago

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Oduvanchick [21]

This procedure is known as estimating or rounding, where one compares the digit to the right is the number and sees whether or not is found within a given range, greater than 5 and can be used to increase the number in question, by a value of 1.

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4 years ago

6x + 5y = 7 and 2x + 3y = 3

ra1l [238]

6x + 5y = 7
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2x + 3(1/2) = 3
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Rewrite the fraction as a decimal -19/50

Mama L [17]

Rewrite the fraction as a decimal
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