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Nikitich [7]
4 years ago
15

Which set is a subset of set P?

Mathematics
1 answer:
larisa [96]4 years ago
6 0

Answer: R

Step-by-step explanation:

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Which set of ordered pairs represents a function? {(2, –2), (1, 5), (–2, 2), (1, –3), (8, –1)} {(3, –1), (7, 1), (–6, –1), (9, 1
ra1l [238]
A function can't have x repeating any of the same number twice for example the first one (2, -2), (1, 5), (-2, 2), (1,-3), (8,-1) you have two 1's (1,5) and (1,-3) the x is the first number. Now a function can have the same y value. So your answer is (3, -1), (7,1), (-6,-1), (9,1), and (2,-1) you have to have all different x values in order for it to be a function. Hope that helps.
7 0
4 years ago
Read 2 more answers
Simplify 5(2 - 7n) =
ANTONII [103]

Answer:

10-35n=?

Step-by-step explanation:

This would be in simplest form

4 0
3 years ago
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The line passing through the points (-7,4) and (-23,y) is parallel to a line that has a slope of -5/8. What is the value of y?
Burka [1]
Two lines that are parallel to each other, will have the same slope.

so if this line is parallel to another with a slope of -5/8, the slope of this line is also -5/8 then.  We also know that it passes through -7, 4 and -23, y, let's do some checking.

\bf \begin{array}{lllll}
&x_1&y_1&x_2&y_2\\
%   (a,b)
&({{ -7}}\quad ,&{{ 4}})\quad 
%   (c,d)
&({{ -23}}\quad ,&{{ y}})
\end{array}
\\\\\\
% slope  = m
slope = {{ m}}= \cfrac{rise}{run} \implies 
\cfrac{{{ y_2}}-{{ y_1}}}{{{ x_2}}-{{ x_1}}}\implies \cfrac{y-4}{-23-(-7)}\implies \cfrac{y-4}{-23+7}
\\\\\\
\cfrac{y-4}{-16}=\boxed{-\cfrac{5}{8}}\implies 8y-32=80\implies 8y=112
\\\\\\
y=\cfrac{112}{8}\implies y=14
3 0
3 years ago
36/81 simplify help!!!!!!!!!!!!!!!!
n200080 [17]

Answer:

4/9

Step-by-step explanation:

hope it helps!

6 0
3 years ago
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Tommy purchased a new vacuum for $1,150 at the Best Buy. He has a 15% coupon. How much will he save?
vodomira [7]

Answer:

$172.50

Step-by-step explanation:

1150 * 0.15 = 172.5

8 0
3 years ago
Read 2 more answers
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