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natka813 [3]
3 years ago
10

ASAP!!Given the following step functions and determine which of the statements are false.

Mathematics
1 answer:
Montano1993 [528]3 years ago
6 0
The false one is c I’m pretty sure
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A_______is an algebraic expression made by adding or subtracting terms<br><br>has to be 10 letters
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Answer:

  POLYNOMIAL is a 10-letter word

Step-by-step explanation:

A polynomial is such an expression.

Virtually any kind of algebraic expression is made by adding or subtracting terms, grouping them, applying functions to them, or dividing them. (A term is already a product; increasing the number factors doesn't change that.)

A polynomial is a special kind of sum-of-terms expression involving terms that are non-negative integer powers of a variable.

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3 years ago
Z varies directly with x and inversely with y. When x=6 and y=2, .z=15. Write function that models variation. Then, find z when
tester [92]
\bf \begin{array}{cccccclllll}&#10;\textit{direct proportional variation}\\\\\textit{something}&&\textit{varies directly to}&&\textit{something else}\\ \quad \\&#10;\textit{something}&=&{{ \textit{some value}}}&\cdot &\textit{something else}\\ \quad \\&#10;y&=&{{ k}}&\cdot&x&#10;\\&#10;&&  y={{ k }}x&#10;\end{array}\\ \quad \\


\bf \textit{inverse proportional variation}\\\\&#10;\begin{array}{llllll}&#10;\textit{something}&&\textit{varies inversely to}&\textit{something else}\\ \quad \\&#10;\textit{something}&=&\cfrac{{{\textit{some value}}}}{}&\cfrac{}{\textit{something else}}\\ \quad \\&#10;y&=&\cfrac{{{\textit{k}}}}{}&\cfrac{}{x}&#10;\\&#10;&&y=\cfrac{{{  k}}}{x}&#10;\end{array}


\bf \\\\&#10;-------------------------------\\\\&#10;\textit{z varies directly with x}\implies z=kx&#10;\\\\&#10;\textit{and inversely with y}\implies z=\cfrac{kx}{y}&#10;\\\\\\&#10;\textit{we also know that}\quad &#10;\begin{cases}&#10;x=6\\&#10;y=2\\&#10;z=15&#10;\end{cases}\implies 15=\cfrac{k\cdot 6}{2}\implies 30=6k

\bf \cfrac{30}{6}=k\implies \boxed{5=k}\impliedby \textit{constant of variation}&#10;\\\\\\&#10;thus\implies z=\cfrac{5x}{y}\\\\&#10;-------------------------------\\\\&#10;\textit{what's "z" when }&#10;\begin{cases}&#10;x=4\\&#10;y=9&#10;\end{cases}\implies z=\cfrac{5\cdot 4}{9}
4 0
4 years ago
A cab charges the following fare for each trip.
trasher [3.6K]

Answer:

$9.78

Let's be honest, you only need an answer right?

6 0
3 years ago
What is the formula for LSA and TSA of piramids​
mojhsa [17]

Answer:

T. S. A. = 12pl + B donde p representa el perímetro de la base, l la altura de inclinación y B el área de la base.

Step-by-step explanation:

espero que ayude

7 0
3 years ago
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