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natulia [17]
3 years ago
13

Help me I got 25 missing assignments

Mathematics
2 answers:
LiRa [457]3 years ago
8 0

\sf\purple{10} ✅

Step-by-step explanation:

35 \times  \frac{2}{7}  \\  =  \frac{35 \times 2}{7}  \\  =  \frac{70}{7}  \\  = 10

\circ \: \: { \underline{ \boxed{ \sf{ \color{green}{Happy\:learning.}}}}}∘

postnew [5]3 years ago
5 0

Answer:

10

Step-by-step explanation:

see the image below:)

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Answer:

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7 0
3 years ago
you are rolling a 10-sided die with sides numbered 1-10. you keep rolling the die until you roll a prime number and then stop. l
evablogger [386]

The formula for E(x) would be SUM[ X(n)P(n)] from n = 1 to n = infinity until we get the prime number

In the given problem, a 10-sided die with 1-10 numbers is rolled until we get a prime number

Prime numbers between 1-10 = 2,3,5,7 (4 prime numbers)

Non - prime numbers = 1,4,6,8,9,10( 6 non-prime number)

Let X be the number of times the die is rolled

The probability of getting a prime =

P(Prime) = \frac{4}{10}

Now, the value of

E(X)=∑x.P(x) [ x-> {1, infinity}]

= P(1)X(1) +P(2)X(2)+P(3)X(3)+P(4)X(4)........+ P(n)X(n)

= 1.\frac{4}{10} + 2. \frac{6}{10}.\frac{4}{10} + 3.\frac{6}{10}.\frac{6}{10}\frac{4}{10} + 4. \frac{6}{10}.\frac{6}{10}.\frac{6}{10}.\frac{4}{10}.......

Hence, this is the value of E(x)

To learn more about Prime number, here

brainly.com/question/9315685

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4 0
2 years ago
Can someone help me ​
Yanka [14]

Answer:

C

Step-by-step explanation:

if right mark brainlyest

7 0
3 years ago
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Ilya [14]

Answer:

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Step-by-step explanation:

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6 0
3 years ago
X less than -1 on number line
Sedaia [141]
I think if I do this correctly, the answer is x<-1
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