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3 years ago

Can someone help me with a few easy math questions?

Mathematics

2 answers:

saw5 [17]3 years ago

8 0

Sure what kind of questions are they??

hodyreva [135]3 years ago

3 0

1+1
1+2
1+3
1+4
1+5
1+6
1+7
1+8
1+9
1+10

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0.09 is 10 times as much as ?

ANEK [815]

To find out the answer we divide 0.09 by 10: $0.09$ ÷10=0.009. Therefore, 0.09 is 10 times as much as 0.009.

5 0

3 years ago

Read 2 more answers

Production times are evenly distributed between 8 and 15.8 minutes and production times are never outside of this interval. What

dezoksy [38]

Answer:

29.49% probability that a production time is between 9.7 and 12 minutes

Step-by-step explanation:

An uniform probability is a case of probability in which each outcome is equally as likely.

For this situation, we have a lower limit of the distribution that we call a and an upper limit that we call b.

The probability that we find a value X between c and d, in which d is greater than c, is given by the following formula.

$P(c \leq X \leq d) = \frac{d - c}{b-a}$

Production times are evenly distributed between 8 and 15.8 minutes and production times are never outside of this interval.

This means that $a = 8, b = 15.8$

What is the probability that a production time is between 9.7 and 12 minutes?

$d = 12, c = 9.7$ .

$P(c \leq X \leq d) = \frac{d - c}{b-a}$

$P(9.7 \leq X \leq 12) = \frac{12 - 9.7}{15.8 - 8} = 0.2949$

29.49% probability that a production time is between 9.7 and 12 minutes

5 0

4 years ago

Find the solution set for this equation M^2-4=0

Helga [31]

Step-by-step explanation:

Hey, there !!

Let's simply work with it,...................

Here, theequation is,

${m }^{2} - 4 = 0$

$or \: {m }^{2} = 4$

$or \: m = + - \sqrt{4}$

$or \: m = + - \sqrt{ {2}^{2} }$

cancelling square and square root we get answer is,

= (+ - 2).

It means the value of m is plus(+) minus(-) 2.

Hope it helps...

5 0

3 years ago

John likes to hike during the summer he can usually hike about 3 miles every hour but when it's really hot he swims in a mountai

Nastasia [14]

During the 9 mile hike he spends 2 periods of half hour swimming = 1 hour.
actual hiking time = 3*3 = 9 hours

So total time = 9+1 = 10 hours

8 0

3 years ago

Which equations support the fact that rational numbers are closed under subtraction? Select each correct answer

noname [10]

The rationals being closed under subtraction means that if we start with two rational numbers and subtract them, we get another rational number. Choice c subtracts two rational numbers but gets the wrong answer, so isn't support for anything. Choice b is rational too because the square root of 4 is 2.

Answer: b

8 0

3 years ago