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pentagon [3]
3 years ago
10

How to simplify 21+7×2/4​

Mathematics
2 answers:
Olenka [21]3 years ago
4 0

Answer:

28.5

Step-by-step explanation:

➜21+7×2/4

➜28+2/4

➜28+1/2

➜56+1/2

➜57/2

➜28.5

monitta3 years ago
4 0
Hopes this helps:

Answer: 49/2 or 24.5

Please mark as brainlist
You might be interested in
The number name of 70080067 <br>In Indian System​
zloy xaker [14]

Answer:

Seven crore eighty thousands sixty-seven.

Step-by-step explanation:

70080067

Seven crore eighty thousands sixty-seven.

3 0
3 years ago
The account executive of a brokerage firm has recommended that one of her customers consider stock from five aerospace companies
soldier1979 [14.2K]

Answer:

180 ways

Step-by-step explanation:

Aerospace companies (A) = 5

Energy development companies (D) = 3

Electronics companies (E) = 4

Number of aerospace stocks bought (a) = 2

Number of Energy development stocks bought (d) = 2

Number of Electronics stocks bought (e) = 2

The number of ways that the investor can select his six investments from the recommended list is given by the combination of picking two out five aerospace companies, multiplied by picking two out three energy development companies, multiplied by picking two out four electronics companies:

n=\frac{5!}{(5-2)!2!}*\frac{3!}{(3-2)!2!}*\frac{4!}{(4-2)!2!}\\  n=10*3*6\\n=180\ ways

There are 180 ways for the investor to select the six companies.

4 0
3 years ago
If four students are selected at random, find the probability that all four rate their study habits as very good
maxonik [38]
Would depend on how many other students are in the class/school.
8 0
3 years ago
A study of all the students at a small college showed a mean age of 20.9 and a standard deviation of 2.9 years. These numbers ar
Ganezh [65]

Answer:

These numbers are - parameters.

Step-by-step explanation:

A study of all the students at a small college showed a mean age of 20.9 and a standard deviation of 2.9 years.

These numbers are - parameters.

These numbers are parameters as they are for all the​ students, and merely not a sample.

7 0
3 years ago
Susie lost $15 on Monday. Her mom was upset, but gave her another $20. She lost another $13 today. Write an integer to represent
maria [59]

Answer:

Step-by-step explanation:

If you add 13 +15 you get 28$ if we were to write that as an integer out of 20 it would be 28/20 but as an improper fraction, it would need to  be simplified into  1 and 8/20  ( 1  8/20)

If you are looking how much she lost out of the 20 she lost today it would be 13/20

Hope this helps

Dont lose ur money

Don’t forget to smash that heart at the bottom <3

Plz mark as brainliest

To do so click the crown above the desired answer which would mark as brainliest

4 0
3 years ago
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