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2 years ago

5

PLZ HELP ASAP DUE RN

1 answer:

matrenka [14]2 years ago

4 0

Answer:

The first and third options are correct so choose both

Step-by-step explanation:

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Which function has a vertex at the origin?

Zarrin [17]

$\bf \qquad \textit{parabola vertex form}\\\\
\begin{array}{llll}
y=a(x-{{ h}})^2+{{ k}}\\\\
x=a(y-{{ k}})^2+{{ h}}
\end{array} \qquad\qquad vertex\ ({{ h}},{{ k}})\\\\
-------------------------------\\\\
-x^2\implies -(x-\stackrel{h}{0})^2\stackrel{k}{+0}$

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3 years ago

Write an expression that is equivalent to 21h - 10h + 16 - 9 + 14h + 5 .

Annette [7]

Answer:

25h+12

Step-by-step explanation:

Add the numbers :

21h-10h + <em>16</em><em>-</em><em>9</em><em> </em><em>+</em><em> </em>14h<em>+</em><em> </em><em>5</em>

21h-10h + <em>12</em><em> </em>+ 14h

Combine like terms:

25h + 12

3 0

2 years ago

What is 3/20 written as a percent?

alex41 [277]

Express it as a decimal.

3/20 = 0.15 by division

then move the decimal point twice to the right and affix the percent symbol

thus, 15%.

6 0

3 years ago

Read 2 more answers

For their homecoming parade, the students of U-Math have created a colorful banner, 57 meters in length, that is made of two

BartSMP [9]

Answer:

$Length\ of\ the\ long\ piece=40\ meters\\\\Length\ of\ the\ short\ piece=17\ meters$

Step-by-step explanation:

Let be "s" the length in meters of the short piece and "l" the lenght in meters of the long piece.

Set up a system of equations:

$\left \{ {{s+l=57} \atop {s=l-23}} \right.$

Apply the Substitution Method to solve the system. Substitute the second equation into the first equation and solve for "l":

$(l-23)+l=57\\\\2l=80\\\\l=\frac{80}{2}\\\\l=40$

Susbstitute the value of "l" into the second equation in order to find the value of "s". This is:

$s=40-23\\\\s=17$

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3 years ago

You have a job as a teacher with a starting salary of $37,185. You will receive a 6% raise every year. How much will you salary

zhenek [66]

if it is asking for compound interest your answer should be 49761.9

8 0

3 years ago