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gizmo_the_mogwai [7]
3 years ago
13

Describe whether the equation y-3x=7 is a function

Mathematics
1 answer:
Gala2k [10]3 years ago
8 0

y - 3x = 7

can be written as

y = 3x + 7

For every value of x there is a unique value of y.  For example when x = 0 y = 3(0) + 7 = 7

Yes it is a function.

In particular it is a one-to-one function.

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TIME REM
UNO [17]

According to the graph it can be inferred that the percentage of people for each transmission preference is relatively the same for left-handed and right-handed people (option D)

<h3>How to read the graph?</h3>

The graph shows two bars representing left-handed respondents and right-handed respondents. In the bars there is a blue division that represents the percentage of respondents who prefer manual transmission.

In both cases, the number of people is similar for both variables (manual and automatic) because for every 100 people surveyed, about 20 people prefer manual transmission regardless of whether they are right-handed or left-handed.

Learn more about preferences in: brainly.com/question/7018716

5 0
3 years ago
1920.2923 in expanded form and in words
STALIN [3.7K]

Answer:

1,000  

+ 900  

+ 20  

+ 0  

+   0.2

+   0.09

+   0.002

+   0.0003

Step-by-step explanation:

one thousand nine hundred twenty and two thousand nine hundred twenty-three ten-thousandths

3 0
3 years ago
Pls help me, I dont get the question. Polynomials
AnnZ [28]

The given polyn. is not in std. form. To answer this question, we need to perform the indicated operations (mult., addn., subtrn.) first and then arrange the terms of this poly in descending order by powers of x:

P(x) = x(160 - x) - (100x + 500)

When this work has been done, we get P(x) = 160x - x^2 - 100x - 500, or

P(x) = -x^2 + 60x - 500

So, you see, the last term is -500. This means that if x = 0, not only is there no profit, but the company is "in the hole" for $500.

6 0
3 years ago
Sandra bought a new coat for $49.99 and 3 skirts for $24.99 each . If the Sale tax rate is 7% to the nearest cent what is the am
Sliva [168]

Answer:

$133.71

Step-by-step explanation:

49.99 + 3(24.99)

49.99 + 74.97

124.96 (1.07)   <----- sales tax

about 133.71

4 0
4 years ago
Please explain how to do
weeeeeb [17]
\bf \qquad \qquad \textit{ratio relations}&#10;\\\\&#10;\begin{array}{ccccllll}&#10;&\stackrel{ratio~of~the}{Sides}&\stackrel{ratio~of~the}{Areas}&\stackrel{ratio~of~the}{Volumes}\\&#10;&-----&-----&-----\\&#10;\cfrac{\textit{similar shape}}{\textit{similar shape}}&\cfrac{s}{s}&\cfrac{s^2}{s^2}&\cfrac{s^3}{s^3}&#10;\end{array}\\\\&#10;-----------------------------

\bf \cfrac{\textit{similar shape}}{\textit{similar shape}}\qquad \cfrac{s}{s}=\cfrac{\sqrt{s^2}}{\sqrt{s^2}}=\cfrac{\sqrt[3]{s^3}}{\sqrt[3]{s^3}}\\\\&#10;-------------------------------\\\\&#10;a)\\\\&#10;\cfrac{large~vase}{small~vase}\qquad 3:2\qquad \cfrac{3}{2}\qquad \cfrac{3^3}{2^3}=\cfrac{1080}{x}\implies x=\cfrac{2^3\cdot 1080}{3^3}&#10;\\\\\\&#10;x=320&#10;\\\\\\&#10;b)\\\\&#10;\cfrac{large~vase}{small~vase}\qquad 3:2\qquad \cfrac{3}{2}\qquad \cfrac{3^2}{2^2}=\cfrac{x}{252}\implies \cfrac{3^2\cdot 252}{2^2}=x&#10;\\\\\\&#10;567=x
5 0
3 years ago
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