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serious [3.7K]
3 years ago
8

If a =3 and b=-2,what does this expression equal? -2b-a

Mathematics
1 answer:
Elanso [62]3 years ago
8 0

Answer:

Step-by-step explanation:

we will replace the expression -2b-a  with the values

-2(-2)-3=4-3=1

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Write the following rate as a simplified fraction 55 dogs to 75 cats​
denis23 [38]

Answer:

11/15

Step-by-step explanation:

Divide both the numerator and denominator by the GCD

55 ÷ 5

75 ÷ 5

=11/15

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4 0
4 years ago
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If I spoke with 800 customers in 40 hours how many customers did I speak to every 30 minutes
Sliva [168]
To find the jumber of customers in an hour, you just divide 800 by 40.

This gives you 20, meaning 20 customers per hour.

Then, you divide it by two to get 10 customers per half hour.
4 0
3 years ago
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Observing in the histogram, frequency proportions, and normal probability plot based on the coin date data set below, we have a
KATRIN_1 [288]

Answer:

Skewed left.

Explanation:

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7 0
4 years ago
The Kroger Company is one of the largest grocery retailers in the United States with over two thousand grocery stores across the
Ilia_Sergeevich [38]

Answer:

1) Categorical

2) Norminal

Step-by-step explanation:

1)

The data collected by Kroger in this example categorical or quantitative identified below:

From the given information, Kroger uses an online customer opinion to obtain the data about its products and services. All the questions based on yes or no type questions. Here the questions are ‘products that have a brand name, products that are environmentally friendly, products that are organic’ these type of questions cannot be expressed numerically so the data collected by Kroger Company is categorical variable because these answers of the questions cannot be counted.

Any variable which is grouped into two or more attributes then it is a categorical variable. The data collected by Kroger Company is categorical variable and any variable which can be counted or measured in numerical then it is quantitative variable.

2)

The measurement scale is identified below:

Here the variable cannot be counted in numerical sale so the level of measurement cannot be ratio, interval because ratio and interval scale can be used for numerical data. The nominal scale can be used to identify the ‘products that have a brand name, products that are environmentally friendly, products that are organic, products that have been recommended by others’ because natural order need not be used.

The ratio and interval scale can be used for Quantitative data and nominal and ordinal scale can be used for Qualitative data. When the order is needed to categorize the objects Ordinal scale is used, when the order is not needed to categorize the objects Nominal scale is used.

3 0
3 years ago
Solve 6,394 divided by 42 =
Aleks [24]
That would be 152.24   to nearest hundredth
7 0
3 years ago
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