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statuscvo [17]
3 years ago
14

PLEASE HELPPPPPPPPPPPPPP

Mathematics
2 answers:
sukhopar [10]3 years ago
8 0

Answer:50/100=1/2

Step-by-step explanation:

i havent taken stat but the total of marbles is 100. so there are 50 blue marbles out of 100. 50/100 is 1/2. don't quote me tho

iris [78.8K]3 years ago
4 0
You’ll have a 50% chance of getting a blue marble
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In a basket, 3 out of 4 eggs are cracked. how many eggs are cracked if their is a total of 28 eggs in the basket
Sidana [21]
Cracked:all=3:4
3/4=x/28
cross multiply or times both sides by 28
3*7=x
21=x

21 are cracked (bad deal)
3 0
3 years ago
Read 2 more answers
ind the critical numbers of the function. (Enter your answers as a comma-separated list. If an answer does not exist, enter DNE.
vivado [14]

Answer:

1+√2, 1-√2

Step-by-step explanation:

Since there are 2 factors with an y in the expression, i will assume that there was a mistake in the question and in fact the first term was y³. With that change, we will have that

g(y) = y³-3y²-3y+9

In order to find the critical numbers of g we need to derivate it and equalize the derivate to 0. We can easily derivate g since it is a polynomial:

g'(y) = 3y² - 6y-3

Since g'(y) is a quadratic function, we can obtain the zeros using the quadratic formula, where a = 3, b = -6 and c = -3:

r_1 , r_2 = \frac{6 \, ^+_- \, \sqrt{(-6)^2 - 4 * 3 * (-3)} }{2 * 3} = \frac{6 \, ^+_- \, \sqrt{72}}{6} = 1 \, ^+_- \, \sqrt{2}

Thus

r_1 = 1 + \sqrt 2\\r_2 = 1- \sqrt 2

Therefore, the critical numbers of g are 1+√2 and 1-√2.

I beleive that the problem just ask for that. If you want the critical values, then we need to evaluate those numbers in g. i will do it just in case

g(1 + √2) = (1+√2)³ - 3(1+√2) - 3(1+√2) + 9 = -1.65685

g(1- √2) = (1-√2)³ - 3(1-√2)² -3(1-√2)+9 = 9.6566

5 0
3 years ago
True or False:
Mandarinka [93]

Answer:

false

Step-by-step explanation:

adjacent angles should share a common arm and a common vertex. no arms are common and vertex of first angle is CAB whereas the vertex of second angle is DAE

7 0
3 years ago
Read 2 more answers
Sarah took the advertising department from her company on a round trip to meet with a potential client. Including Sarah a total
Ulleksa [173]

Answer:

Step-by-step explanation:

c + f = 10 (the coach tickets + first class tickets = 10)...there is 10 people

160c + 1230f = 6950....each coach ticket is 160 and each first class ticket is 1230.....and when added, they equal 6950 (for the airfare)

c + f = 10.....c = 10 - f

160c + 1230f = 6950

sub in 10 - f for c

160(10 - f) + 1230f = 6950

distribute the 160 thru the parenthesis

1600 - 160f + 1230f = 6950

combine like terms

1600 + 1070f = 6950

subtract 1600 from both sides

1070f = 6950 - 1600

1070f = 5350

divide both sides by 1070

f = 5350/1070

f = 5 <===== she bought 5 first class tickets

c + f = 10

we found f to be 5...so sub in 5 for f and find c, the coach tickets

c + 5 = 10

c = 10 - 5

c = 5 .......and she bought 5 coach tickets

check...

160c + 1230f = 6950

160(5) + 1230(5) = 6950

800 + 6150 = 6950

6950 = 6950 (correct)....so it checks out

5 coach and 5 first class

3 0
3 years ago
Predict the next number 5,3,2,1,-1
Luden [163]

Answer:

impossible?

Step-by-step explanation:

4 0
3 years ago
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