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scoundrel [369]

3 years ago

13

Which phrase represents 3y +9

1 answer:

Pie3 years ago

8 0

please list the phrases if you would like to get an accurate answer :)

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use the Pythagorean theorem to find the measure of the hypotenuse of right triangle of the measures of the legs are 30 meters an

DochEvi [55]

A² + b² = c²
30² + 72² = c²
<u />900 + 5,184 = c²
6084 = c²
(Square root both sides)
c = 78 m
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6 0

3 years ago

66×10^4 in standard notation

Vera_Pavlovna [14]

660000, just add 4 zeros onto 66.

8 0

3 years ago

What is the answer to the system?

omeli [17]

$\begin{cases}x + y = 40 \\ \frac{x}{20} + \frac{y}{4} = 6\end{cases} \\ \Leftrightarrow \begin{cases} x + y = 40\\x + 5y = 120 \end{cases} \\ \Leftrightarrow \begin{cases} x + y = 40\\ 4y = 80\end{cases} \\ \Leftrightarrow \begin{cases}x = 20 \\ y = 20\end{cases}$

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4 years ago

Thomas has constant speeds for both running and walking. When a down-escalator is moving, Thomas can run down it in 15 seconds o

Alekssandra [29.7K]

.....................

5 0

3 years ago

Read 2 more answers

Recall the equation that modeled the volume of the raised flower bed, y, in terms of the width of the box, y = x3 + 11x2 − 312x.

lakkis [162]

Answer:

48 cubic feet of mulch

Step-by-step explanation:

12 feet long x 4 feet wide x 1 foot deep of mulch= 48 cubic feet of mulch

8 0

3 years ago