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3 years ago

What is the variable

Mathematics

1 answer:

krek1111 [17]3 years ago

5 0

A quantity that may change

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Which is a counterexample for the following statement?

lakkis [162]

Answer:

2 and 8

1 and 3

Step-by-step explanation:

statement a+b < a*b

-2 + -8 < -2 * -8 => -10 < 16 TRUE

-1 + -3 < -1 * -3 => -4 < 3 TRUE

1+3 < 1*3 => 4 < 3 FALSE

2 + 8 < 2 * 8 => 10 < 16 FALSE

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3 years ago

Read 2 more answers

I will give points to those who send me friend requests<br> Like me and give requests

Genrish500 [490]

Alright! Same here!!

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3 years ago

How do you change fractions into decimals?

Pie

Find a number that you can make 10,100,or any 1 followed by zeroes
then,multiply both numerator and deno with that number
Then write down just the top number, putting the decimal point in the correct spot (one space from the right hand side for every zero in the bottom number)

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3 years ago

Find the surface area of the prism.

Nataly [62]

Answer:

It is 129 cm for the surface area

Step-by-step explanation:

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3 years ago

An airport is studying the noise levels of jets during takeoff as they pass over a neighborhood. They find that at the present t

avanturin [10]

Answer: 2.28%

Step-by-step explanation:

Given: An airport find that at the present time, the mean noise level is 103 decibels and the standard deviation is 5.4 decibels.

The distribution of noise levels(x) for all jets during takeoff over the neighborhood has a normal distribution.

The probability that jets have a noise level less than 92.2 decibels when taking off over this neighborhood will be :-

$P(X$

Hence, the percent of these jets have a noise level less than 92.2 decibels when taking off over this neighborhood = 2.28%

6 0

2 years ago