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IrinaVladis [17]
3 years ago
8

A Number m plus 4 is greater than or equal to seven

Mathematics
1 answer:
SpyIntel [72]3 years ago
6 0

Answer:

m ≥ 3

m is greather or equal to 3

Step-by-step explanation:

m + 4 ≥ 7

m ≥ 7 - 4

m ≥ 3

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A statistics student is doing a project for her class. She wants to make a prediction for the outcome of an upcoming national el
joja [24]

Answer:

Yes, Sample is good.

Step-by-step explanation:

The sample is a subset of the population, we take a sample because sometimes it is not possible to work on the whole population or it is quite costly or the time has taken so we work on sample.

Characteristics of Good Sample:

  1. The choice of the sample should be unbiased that means there should be an equal chance of selecting each unit.

     2. It should be representative of the sample.

     3. The choice of the sample should be flexible.

Since here she did not do any bias in selecting a sample. Here the choice of sample is independent and each unit has an equal chance of being selected in a sample. So, the choice of sample is quite good.

3 0
4 years ago
In 1980 the median age of a resident of the united state was 30 years. By 2000 the median age had increased 5.3 years. What was
baherus [9]

Answer:

35.3 years

Step-by-step explanation:

Given :

In 1980 the median age of a resident of the united state was 30 years.

By 2000 the median age had increased 5.3 years.

Solution :

The median age the median age of a resident of the united state  = 30 years

Since the median age had increased 5.3 years in 2000

Thus , the median age of a resident of the United States in year 2000 = 30+5.3 = 35.3 years

Hence the median age of a resident of the United States in year 2000=35.3 years

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3 years ago
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Read 2 more answers
Use the Distributive Property to simplify the following expression. a: 4(x+2) b; -5(9+x) c: 7(x-3)
ExtremeBDS [4]
<h3>hello!</h3>

=======================================================

The Distributive Property states the following:-

\longrightarrow\sf{a(b+c)=ab+ac

Where

\longrightarrow\sf{a,~b,~and~c~can~be~either~constants~or~variables}

Now, let's use this property to simplify our expressions.

The first one is

\bigstar{\underline{\boxed{{4(x+2)}}}

Simplify by distributing 4:-

\longrightarrow\sf{4~times~x~+4~times~2}

Add the products:-

\longrightarrow\sf{4x+8}

\rule{250}{2}

Solve the next one:-

\bigstar{\underline{\boxed{\sf{-5(9+x)}}}

Distribute -5 & add the products:-

\longrightarrow\sf{-45-5x}

\rule{250}{2}

Solve the last one:-

\bigstar{\underline{\boxed{7(x-3)}}

Distribute 7:-

\longrightarrow\sf{7x-21}

======================================================

<h3>note:-</h3>

Hope everything is clear; if you need any more explanation/clarification, kindly let me know, and I'll comment and/or edit my answer :)

7 0
2 years ago
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