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3 years ago

NEED A FAST ANSWER

Mathematics

2 answers:

V125BC [204]3 years ago

7 0

Answer:

180

Step-by-step explanation:

Just took the test...

for anyone in the future.

Marta_Voda [28]3 years ago

6 0

Answer:

Step-by-step explanation:

2.) −$180/year

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WRITE IN STANDARD FORM. 3z - 9z^3 - 8z^5 + 2z^2

Inga [223]

In standard for the powers decend so the answer would be -8z^5-9z^3+2z^2+3z

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3 years ago

Read 2 more answers

The quantity y varies directly with the square of x and inversely with z. When x is 9 and z is 27, y is 6. What is the constant

ira [324]

$\bf \qquad \qquad \textit{double proportional variation}
\\\\
\begin{array}{llll}
\textit{\underline{y} varies directly with \underline{x}}\\
\textit{and inversely with \underline{z}}
\end{array}\implies y=\cfrac{kx}{z}\impliedby 
\begin{array}{llll}
k=constant\ of\\
\qquad variation
\end{array}\\\\
-------------------------------$

$\bf \stackrel{\textit{\underline{y} varies directly with the square of \underline{x} and inversely with \underline{z}}}{y=\cfrac{kx^2}{z}}
\\\\\\
\textit{we also know that }
\begin{cases}
x=9\\
z=27\\
y=6
\end{cases}\implies 6=\cfrac{k9^2}{27}
\\\\\\
\cfrac{27\cdot 6}{9^2}=k\implies 2=k$

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3 years ago

A restaurant serves you a 16- fluid ounces glass of juice that is 30% ice. How many fluid ounces of juice do you actually get

Bas_tet [7]

30 percent of 16 is 4.8 so you actually get 4.8 fluid ounces of juice

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3 years ago

9 + |-78| - (-22) Answer truthfully please.

GuDViN [60]

Answer:

109

Step-by-step explanation:

9 + |-78| - (-22)

Apply the absolute value which states |-x| = x.

9 + 78 - (-22)

Apply the rule that states x - (-y) = x + y.

9 + 78 + 22

Add 9 and 78.

87 + 22

Add 87 and 22.

109.

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2 years ago

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