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olga_2 [115]
3 years ago
10

If 3 + 0.7 is equal to 0.7 plus a number, what do you know about the number?

Mathematics
1 answer:
Delicious77 [7]3 years ago
5 0

Answer:

I'm not sure of the answer choices but your answer would be 3.

Step-by-step explanation:

We know that 3 + 0.7 = 3.7, you can take this information and reverse it. 3.7 - 0.7 = 3.

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There are 15 candidates for 4 job positions.
Veronika [31]

Answer:

32760 ways

Step-by-step explanation:

Given

Number of Candidates = 15

Job Positions = 4

Required:

Number of outcomes

This question represent selection; i.e. selecting candidates for job positions;

This question can be solved in any of the following two ways

Method 1.

The first candidate can be chosen from any of the 15 candidates

The second candidate can be chosen from any of the remaining 14 candidates

The third candidate can be chosen from any of the remaining 13 candidates

The fourth candidate can be chosen from any of the remaining 12 candidates

Total Possible Selection = 15 * 14 * 13 * 12

<em>Total Possible Selection = 32760 ways</em>

<em></em>

Method 2:

This can be solved using permutation method which goes thus;

nPr = \frac{n!}{(n-r)!}

Where n = 15 and r = 4

So;

nPr = \frac{n!}{(n-r)!} becomes

15P4 = \frac{15!}{(15-4)!}

15P4 = \frac{15!}{11!}

15P4 = \frac{15*14*13*12*11!}{11!}

15P4 = 15*14*13*12

15C4 = 32760

<em>Hence, there are 32760 ways</em>

8 0
3 years ago
75% of __ &gt; 50% of __
EleoNora [17]

Answer:

75% of 500 > 50% of 100

Step-by-step explanation:

there is more than one answer tho

4 0
3 years ago
What is the number two hundred seven thousand, four hundred sixty written in standard form?
Zinaida [17]

Answer:

207,460

Step-by-step explanation:

brainiest plz

5 0
3 years ago
Examine the system of equations.
11Alexandr11 [23.1K]
<h3><u>Explanation</u></h3>
  • Given the system of equations.

y =  -  \frac{1}{4} x - 2  \\ x = 4

  • Substitute x = 4 in the first equation.

y =  -  \frac{1}{4} (4) - 2 \\ y =  - 1 - 2  \\ y =  - 3

We have both x and y values. Therefore, we can answer in coordinate point form.

<h3><u>Answer</u></h3>

<u>\large \boxed{(4, - 3)}</u>

3 0
2 years ago
Read 2 more answers
Find the quotient 400÷8
lyudmila [28]

The quotient is 50 :)

3 0
3 years ago
Read 2 more answers
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