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Anastaziya [24]
3 years ago
7

Properties of operation

Mathematics
2 answers:
topjm [15]3 years ago
7 0
<h2>The order of operations are in order by "PEMDAS"</h2>

P=Parenthesis

E=Exponents

M=Multiplication

D=Division

A=Addition

S=Subtraction

These are order of operations

<h2 /><h2>And here are properties of operations:</h2>

The Multiplicative Identity Property

The Commutative Property of Addition.

The Commutative Property of Multiplication.

The Associative Property of Addition.

The Associative Property of Multiplication.

The Distributive Property.

The Additive Identity Property.

and The Additive Inverse Property.

Airida [17]3 years ago
7 0

Answer:

First do brackets(()). Then do exponents(^). Next do times and divide(*,/). Finally do +/-

Step-by-step explanation:

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Taylor earned the following scores on her first ten quizzes. What would she need to earn on the eleventh test in order to have a
Sauron [17]

A mean is an arithmetic average of a set of observations. The score that Taylor needs to make in her eleventh test for the average to be 87 is 93.

<h3>What is Mean?</h3>

A mean is an arithmetic average of a set of observations. it is given by the formula,

Mean = (Sum of observations)/Number of observations

The score earned by Taylor in her first 10 test are 78, 92, 98, 87, 86, 72, 92, 81, 86, 92. Also, she wants the average to be 87, therefore, we can write,

(78 + 92 + 98 + 87 + 86 + 72 + 92 + 81 + 86 + 92 + x)/11 = 87

864 + x = 957

x = 93

Hence, The score that Taylor needs to make in her eleventh test for the average to be 87 is 93.

Learn more about Mean:

brainly.com/question/16967035

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7 0
2 years ago
A pharmacy claims that the average medication costs $32 but it could differ as much as $8. Write and solve an absolute value ine
gogolik [260]
 <span>It looks like you're supposed to pick a combination of two answers: 
an absolute-value inequality, and 
a sentence describing the meaning of that inequality. 

We've got two choices for each, and therefore four possible combinations of choices. 

First, let's tackle the sentence description. We're told that 
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Now for the inequalities: 
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But in the case we're looking at, we've got a MAXIMUM value for the difference; it can't be more than 8. The inequality 
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Combining these conclusions, we see we're looking for this answer: 
|x - 32| ≤ 8; The medication costs range from $24 to $40 
which is the third one listed.</span>
4 0
4 years ago
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Answer:

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I'll pick (2,1) and (0,0).

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Answer:

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