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Alik [6]
3 years ago
7

Type the correct answer in each box. Consider the expressions shown below.

Mathematics
2 answers:
Korvikt [17]3 years ago
8 0

Answer: 1. A 2. C 3. B

Step-by-step explanation:

pav-90 [236]3 years ago
7 0

Answer:

1 - A, 2 - C, 3 - B

Step-by-step explanation:

The dude above me is right

thanks pal

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A manager must select three coders from her group to write three different software projects. There are 7 junior and 3 senior co
gavmur [86]

Answer:

The total number of ways are 168.

Step-by-step explanation:

Consider the provided information.

There are 7 junior and 3 senior coders in her group.

The first project can be written by any of the coders. The second project must be written by a senior person and the third project must be written by a junior person.

For second project we have 3 choices and for third project we have 7 choices.

Now there are 2 possible case:

Case I: If first and second coder is senior, then the total number of ways are:

3\times 2\times 7=42

Case II: If first and third coder is junior, then the total number of ways are:

7\times 3\times 6=126

Hence, the total number of ways are: 42+126=168

6 0
3 years ago
In a random sample of 85 people attending a workshop, 63 of the respondents said the workshop was useful. What is the sample pro
SVETLANKA909090 [29]
Divide the number of respondents saying it was useful by the total number
63/85 = 0.74
8 0
3 years ago
Read 2 more answers
If p base and b is the perpendicular of a right triangle find the area of a triangle​
Likurg_2 [28]

Answer:

Area of triangle= Half of perpendicular times base

In short:1/2×p×b

7 0
2 years ago
PLEASE hELp ASAP WILL MARK BRAINLIEST!
raketka [301]

Answer:

Its b

Step-by-step explanation:

The number line is saying people spend 70 n below.

5 0
2 years ago
How many different four lettered codes can be formed if the first letter must be an S or a T
emmainna [20.7K]

Answer:

27,600

Step-by-step explanation:

We use the following formula:-  

Number of permutations of r from n

= nPr

= n! / (n-r)!

I am assuming you don't allow repeated letters in the 4 letter codes.

Take S as the first letter. Then we have 3 letters extra out of 25 letters.

Using the above formula the possible ways of doing this is

25! / (25 - 3)!

25! / 22!

= 25*24*23

= 13800.

The same number is obtained if the first letter is a T.

So the answer is 2*13800

= 27,600

8 0
2 years ago
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