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joja [24]
3 years ago
7

There are 200 marbles in the bag, John picks 10 marbles out of

Mathematics
2 answers:
Airida [17]3 years ago
8 0

Answer:

Step-by-step explanation:

favorable success: 6/10

marbles: 200

So

P=Favorable cases/total cases

P=6(20)/10(20)

P=120/200

Leni [432]3 years ago
7 0

60Answer:

Step-by-step explanation:

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I have a big math test tomorrow and a question on the review packet my teacher made for my class just doesn't make sense to me.
kondaur [170]
My hand writing is messy but you would take. 40$ × 0.10 . then you would take 40$ and subtract it from the answer you received from multiplying and then you have your answer.

3 0
3 years ago
.................................................................................................
Lena [83]

Answer:

m<B = 141 degrees

Step-by-step explanation:

This shape is a heptagon meaning its angles should have a sum of 900 degrees.

we are given the degrees and we need to ad them up

148+90+120+129+130+142=749

then we subtract 749 from 900 which looks like

900-749=141

from subtracting 749 from 900 we get 141 hence we get our answer that m<B = 141 degrees

5 0
2 years ago
Solve the equation 2x^2-3x-6=0 give your answer correct to two decimal places
IRISSAK [1]

Answer:

<h2>x = - 1.14 or x = 2.64</h2>

Step-by-step explanation:

2x² - 3x - 6 = 0

Using the quadratic formula

x =  \frac{ - b± \sqrt{ {b}^{2}  - 4ac} }{2a}

a = 2 , b = - 3 , c = 6

Substituting the values into the above formula

We have

x =  \frac{ -  - 3± \sqrt{ { - 3}^{2}  - 4(2)( - 6)} }{2(2)}

x =  \frac{3± \sqrt{9 +48 } }{4}

x =  \frac{3± \sqrt{57} }{4}

x =  \frac{3 -  \sqrt{57} }{4}  \:  \:  \:  \: or \:  \:  \:  \:  \: x =  \frac{3 +  \sqrt{57} }{4}

We have the final answer as

<h3>x = - 1.14 or x = 2.64</h3>

Hope this helps you

6 0
3 years ago
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Answer:

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3 years ago
The following box plot shows points awarded to dance teams that competed at a recent competition:
Komok [63]

Answer:The answer would be A. 1 1/5

48/40 = 1 8/40

1 8/40 Simplify to 1  1/5

Hope this helps!

Step-by-step explanation:

3 0
3 years ago
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