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3 years ago

Is 0.9 a rational number ? what type of answer is desired?

Mathematics

1 answer:

wolverine [178]3 years ago

6 0

When paired with 0.23 0.9 is a rational number

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Evaluate this expression <br> (-7--9)*(8+2)

Marizza181 [45]

Before we get started, it is good to remember PEMDAS - the acronym that tells you the order to carry out equations.

P = parentheses
E = exponents
M = multiplication
D = division
A = addition
S = subtraction

Knowing this, we should start by doing the equations <em>within </em>each parentheses.

$(-7 - -9) *(8 + 2)$
$(2) *(10)$

So we did the addition and subtraction pieces within each group leaving us with the above equation. Now let's multiply:

$(2)*(10) = 20$

20 is the answer.

5 0

3 years ago

hala paid $1,202.17 for the carpet in her living room. The room has an area of 251.5 square feet. what was her unit cost of carp

iris [78.8K]

Answer:

4.78

Step-by-step explanation:

1202.17/251.5 = 4.78

4.78 per unit

7 0

2 years ago

Read 2 more answers

Need to know the answer

Rzqust [24]

Here you go I hope this helps.

8 0

3 years ago

Read 2 more answers

A large restaurant chain wanted to determine if its employees were taking sick days on some days of the week more than others. T

lidiya [134]

Answer:

0.2

Step-by-step explanation:

Given the data :

Day : Mon Tue Wed Thu Fri Sat Sun

# of sick days 22 11 16 17 21 28 25

The expected count of sick days taken on Saturday is obtained thus :

Expected count = (row total * column total) / overall total

Here, the table is just one way :

Hence, we use :

Observed value / total days

Hence,

Expected count on Saturday = sick days on Saturday / total sick days

Expected count on Saturday = 28 / (22+11+16+17+21+28+25)

Expected count on Saturday = 28 / 140

= 0.2

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1 year ago

How many cups are in a pint

avanturin [10]

Answer:

2 cups are in a pint.

Step-by-step explanation:

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3 years ago