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Art [367]
3 years ago
14

Need help here plss

Mathematics
1 answer:
LuckyWell [14K]3 years ago
8 0

Answer:

See Below

Step-by-step explanation:

To graph y ≥ 2, draw the line y = 2 and then shade above it and keep it a solid line because the sign is "≥". (This is the red inequality on the graph.)

To graph x ≤ -1, draw the line x = -1 and then shade to the left of it and keep it a solid line because the sign is ≤. (This is the blue inequality on the graph.)

The solution set to this system will be the area where the two shaded regions overlap, which is the purple area on the graph below. Hope this helps!

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How many words can be formed by using the W,X,Y,Z if repetitions is not allowed?
Setler [38]

Answer:

24

Step-by-step explanation:

What you have here is a permutation, seeing as each element can only be used once.

We have 4 letters initially, so we can choose any 1 as our first letter. We have 4 choices for our first letter

However, once we choose our first letter, we can't use it anymore, so, for our second letter, we can only choose from the remaining 3 letters.

Furthermore, once we choose our second letter, we can only choose our 3rd letter from the remaining two letters we didn't choose yet.

Finally, our last letter will always be the one we didn't choose the last 3 times. So there is only one choice here.

Going off of this, we have four choices for the 1st letter, three choices for the 2nd letter, two choices for the 3rd letter, and one choice for the 4th letter

The way to calculate how many permutations we have without repetition is using factorials

N!

Where N is the number of elements you have.

In this case, it would be 4!

4! is 4 * 3 * 2 * 1

Which equals 24

If you notice, each number in 4! is the number of options we have for each choice. 4, then 3, and so on

5 0
3 years ago
Can someone factor this: x^3 -6x + 11/x - 6/x^3<br> Thank you!
777dan777 [17]
Hope this helps

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3 0
2 years ago
The height of a triangle is 4 times its base. The area of the triangle is 288 square. Find the base and the height of the triang
Vanyuwa [196]
\bf \textit{area of a triangle}\\\\&#10;A=\cfrac{1}{2}bh\qquad &#10;\begin{cases}&#10;b=base\\&#10;h=height\\&#10;----------\\&#10;h=4b\leftarrow &#10;\begin{array}{llll}&#10;\textit{height is 4}\\&#10;\textit{times the base}&#10;\end{array}\\&#10;A=288&#10;\end{cases}\implies 288=\cfrac{1}{2}\cdot b\cdot 2b

solve for "b", to see what the base is

what about the height?  well, h = 4b
7 0
3 years ago
It takes 213 yards of denim to make one pair of jeans. How many yards would it take to make 5 pairs of jeans?
SVETLANKA909090 [29]

Answer:

1,065

Step-by-step explanation:

Multiply 213 by 5 to get your final answer.

8 0
3 years ago
Need a quick answer, am I right if not what would be the correct answer?
vladimir2022 [97]

Answer:

Im thinking the value of -12 is -12

Step-by-step explanation:


3 0
3 years ago
Read 2 more answers
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