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3 years ago

20

Mathematics

1 answer:

Basile [38]3 years ago

3 0

Answer:

Step-by-step explanation:

2.5 times each side. 14*2 is 28 + 14/2 is 7. 28+7 is 35

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Help asap ! -100x - 100 = 0 -100x = ? x = ?

marin [14]

Answer:

-100x = 10 x = 1

Step-by-step explanation:

I did the math and this is what I got

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3 years ago

The sum of the measures of the interior angles of a polygon is 1440 How many sides does it have ________ sides

Rufina [12.5K]

The only shape that has that much is a decagon 10 sides. the sum of the interior angles of a Regular Decagon is 1440 degrees.

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3 years ago

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Simplify the complex fraction. 8/5 divide by 6 3/4 *

hichkok12 [17]

Step-by-step explanation:

$\frac{8}{5}$ ÷6 $\frac{3}{4}$

First, simplify the 6 $\frac{3}{4}$ to an improper fraction, which is:

$\frac{27}{4}$

Next rewrite the equation using the improper fraction:

$\frac{8}{5}$ ÷ $\frac{27}{4}$

Now, in order to divide the fraction, we will need to flip the second fraction over, and then multiply the two fractions together. A great way to remember this is the phrase Copy Dot Flip - Copy the first fraction, put a dot for multiplication, and flip the second fraction.

$\frac{8}{5}$ · $\frac{4}{27}$

Finally, multiply together and simplify/reduce if needed:

The final answer is $\frac{32}{135}$ and no simplification or reduction is needed

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3 years ago

How much interest will Hannah

baherus [9]

keeping in mind that a year has 12 months, thus 6 months is really 6/12 of a year.

$~~~~~~ \textit{Simple Interest Earned} \\\\ I = Prt\qquad \begin{cases} I=\textit{interest earned}\\ P=\textit{original amount deposited}\dotfill & \$630\\ r=rate\to 6.5\%\to \frac{6.5}{100}\dotfill &0.065\\ t=years\to \frac{6}{12}\dotfill &\frac{1}{2} \end{cases} \\\\\\ I = (630)(0.065)(\frac{1}{2}) \implies I\approx 20.48$

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2 years ago

Identify the constant term in this expression. 25x + 9y + 20 + 2y

kvv77 [185]

20

Constant in a mathematical expression is a term whose value never changes.
The terms with x and y will vary based on the variable x and or y.

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3 years ago