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Savatey [412]
3 years ago
15

If A ⊂ B, then which of the following describes the relationship between A and B?

Mathematics
1 answer:
Ne4ueva [31]3 years ago
6 0
Could you provide the answer choices please?
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5x+3y=17 x+y=4 substitution
solmaris [256]
Group the xs and the ys, 17+5= 22x 3+1=4y so y=4 and x=22.
4 0
2 years ago
Does anyone know the answer to this!?
PolarNik [594]

Answer:

|A_y|=\left|\begin{array}{cc}12&7\\ \\17&-51\end{array}\right|

Step-by-step explanation:

You can use these Cramer's formulas to solve for x and y:

x=\dfrac{|A_x|}{|A|},\\ \\y=\dfrac{|A_y|}{|A|},

where

|A|=\left|\begin{array}{cc}12&-13\\ \\17&-22\end{array}\right|\\ \\ \\|A_x|=\left|\begin{array}{cc}7&-13\\ \\-51&-22\end{array}\right|\\ \\ \\|A_y|=\left|\begin{array}{cc}12&7\\ \\17&-51\end{array}\right|

So,

|A_y|=\left|\begin{array}{cc}12&7\\ \\17&-51\end{array}\right|

4 0
3 years ago
A group of 8 friends go to the movies. A bag of popcorn costs $2.99. How much will it cost to get one bag of popcorn for each fr
Akimi4 [234]

Answer:

23.92

Step-by-step explanation:

You can round 2.99 to 3 and do 3x8 mentally then subtract 8 cents ¯\_(ツ)_/¯

7 0
2 years ago
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Is 267 the largest number in the sum of 3 integers evaluated from 269?
Anni [7]
Yes. it is the largest number

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The function f(x) varies inversely with x and f(x)=4 when x =12. What is f(x) when x=3?
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B) 9 is the answer for ur question
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