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3 years ago

Estimate the product by rounding 9x54

Mathematics

1 answer:

lions [1.4K]3 years ago

6 0

Answer:

10×50=500

Step-by-step explanation:

9=10

54=50

I think its right but im not sure

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What is the best example of a negative correlation?

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4 years ago

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The class ________ is the breadth, or range, of numbers we plan to put into each class of a frequency distribution using grou

NikAS [45]

Answer:

Width

Step-by-step explanation:

When we have quantitative data it is grouped in classes. There are three ways in which the data can be grouped they are:

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In Cutpoint grouping is used when the observations have decimal points

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3 years ago

WILL GIVE BRAINLIEST!!!!!!!!!!!!!

Phantasy [73]

Writing the domain in words: negative infinity to three halves and three halves to infinity

So, Option A is correct.

Step-by-step explanation:

We need to find domain of the function: $f(x)=\frac{x-5}{2x-3}$

<u>Domain:</u>

The domain of function is defined as all the input values for which the function is defined.

In other words we can say that any value of x that makes the denominator zero is not considered as domain of function.

In the function given: $f(x)=\frac{x-5}{2x-3}$

if x= 3/2 then the denominator will be zero and the function will not be defined.

So, value of x should be x>3/2 or x<3/2

We can write domain as: (-∞,3/2)(3/2,∞)

3/2 can be written as three halves.

Writing the domain in words: negative infinity to three halves and three halves to infinity

So, Option A is correct.

Keywords: Domain of Function

Learn more about Domain of function at:

#learnwithBrainly

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4 years ago

a kitten weighs four whole pounds and 2/3 of a fifth pound which mixed number represents the kittens weight?

Aneli [31]

Given that a kitten weighs four whole pounds and 2/3 of a fifth pound.

In this type of problem it is always best to break the given statement into smaller pieces then writing expression for each piece will be more easy.

"fifth" means 1/5.

so 2/3 of a fifth means product of 2/3 and 1/5 which is

$\frac{2}{3}*\frac{1}{5}=\frac{2*1}{3*5}=\frac{2}{15}$

Now total weight is given by

4 whole pounds and 2/3 of a fifth

$= 4 + \frac{2}{15}$

$= 4*\frac{15}{15} + \frac{2}{15}$

$= \frac{60}{15} + \frac{2}{15}$

$= \frac{60+2}{15}$

$= \frac{62}{15}$

Hence required fraction for the answer is $\frac{62}{15}$ .

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4 years ago

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Erasers cost 45 cents a piece. Notebooks cost 90 cents a piece . Karla spent $18 for a total of 28 erasers and notebooks . How m

Tems11 [23]

Answer:

12 Notebooks And 16 Erasers

Step-by-step explanation:

Let x represent the number of notebooks and y represent the number of erasers. (x+y=28) Then, input the cent numbers into the equation. (90x+45y=1800) The 1800 represents the amount of dollars spent. Then simplfy the equation, which gives you 12 notebooks and 16 erasers.

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3 years ago