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irinina [24]
3 years ago
8

X^=1/4 please help me pls

Mathematics
1 answer:
viva [34]3 years ago
4 0
X^2=1/4

x=1/2 or -1/2
x=.5 or -.5
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Please help ill rate you 5 and follow yoy and like maybe even brainlist!
Nataly_w [17]
(a) y >_ 13
(b) x > 17.5

Explanations:

(a)
24.2 - y <_ 11.2
- y <_ 11.2 - 24.2
-y <_ -13
y >_ 13

(b)
- 12.5 + x > 5
x > 5 + 12.5
x > 17.5

(<_ means “less than or equal to” and >_ means “greater than or equal to”)
5 0
3 years ago
Assume that a fair six-sided die is rolled 13 times, and the roll is called a success if the result is in {1,2,3,4}. What is the
Deffense [45]

Answer:

The answer to the question is;

The probability that there are exactly 4 successes or exactly 4 failures in the 13 rolls is \frac{715}{8192}.

Step-by-step explanation:

The probability of success = 1/2 =

probability of failure  = 1/2

Since we have 4 success we then have 9 failures and the given probability can be solved as ₁₃C₄ × 1/2ⁿ×1/2¹³⁻ⁿ

Therefore  we have

₁₃C₄ × 1/2⁴×1/2⁹ =  715/8192

That is the probability that there are exactly 4 successes or exactly 4 failures in the 13 rolls = 715/8192.

5 0
3 years ago
60 peoples will be attending a dinner party. each people at the party can seat 8 people. how many tables are needed? Write and s
Gnoma [55]
The answer is 7.5
But u need 8 tables because you cant cut a table in half. The number facts that i used was 60 divided by 8.

PS. Please like this answer or i wont answer anymore of your questions
3 0
3 years ago
Read 2 more answers
A climatologist wants to determine the thickness of a glacier with a surface area of about 2 km². He selected 10 locations at ra
Agata [3.3K]
The median thickness of the entire glacier is calculated with the arranging the given dimensions of the thickness from least to highest. 
                             29, 34, 35, 36, 38, 40, 41, 43, 44, 46
The middle tern is the 5th and 6th terms which are equal to 38 and 40. Average of this cool is still 39. 
7 0
3 years ago
If a pine tree grows 4 inches per year, how long will it take for the tree to reach a height of 13 feet?
attashe74 [19]

Answer:

Should be 39 years.

there is 12 inches in a foot. and if the tree grows 4 inches every year, then in 3 years the tree would be 1 foot. 13 x 3 = 39, thus proving that in 39 years, it will be 13 feet tall. I may be wrong but this sounds correct.

5 0
3 years ago
Read 2 more answers
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