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2 years ago

The product of two consecutive positive integers is 812. What is the value of the lesser integer?

Mathematics

1 answer:

leonid [27]2 years ago

5 0

The value of the lesser integer is 28

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48% of US adults have very little confidence in newspapers you randomly selected 10 US adults. Find the probability that the num

aivan3 [116]

Answer:

$P(x = 5) = 0.2441$

Step-by-step explanation:

Given

$p = 0.48$ --- proportion that have very little confidence

$n = 10$ --- sample

Required

Determine the probability that exactly 5 have very little confidence

This question will be solved using binomial probability:

$P(x) = ^nC_xp^x(1-p)^{n-x}$

In this case: x = 5.

So, we have:

$P(x = 5) = ^{10}C_5*0.48^5(1-0.48)^{10-5}$

$P(x = 5) = ^{10}C_5*0.48^5*0.52^5$

$P(x = 5) = 252*0.48^5*0.52^5$

$P(x = 5) = 0.2441$

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3 years ago

When Legs jumps 2 times and takes 13 steps forward, he lands in the same place as when he jumps 4 times and takes 5 steps backwa

tangare [24]

Answer:

9 steps

Step-by-step explanation:

Let $x$ be the number of jumps

and $y$ be the number of steps

So the first case

$2x+13y$

Second case

$4x-5y$

Both cover equal distances so

$2x+13y=4x-5y$

$\Rightarrow 2x-4x=-5y-13y$

$\Rightarrow 2x=18y$

$\Rightarrow x=9y$

So, one jumps is 9 steps.

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3 years ago

Jack had 33 bags of golf balls with bb balls in each bag; then his friend gave him 66 more golf balls.

Jlenok [28]

There are 99 gold balls

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3 years ago

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Identify the graph of the equation y = 2x2 − 2x + 1.

Schach [20]

Answer:

im pretty sure it's c

Step-by-step explanation:

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2 years ago

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15% of 72 is ______

BigorU [14]

Answer: convert 15% to a decimal. 0.15 times 75 is 11.25

Converting Percentages to Decimals

Easiest—divide by 100: The simplest way to convert a percentage to a decimal is to divide the number (in percentage format) by 100.

Move the decimal: Another way to convert a quoted percentage to decimal format is to move the decimal two places to the left

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3 years ago