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Ipatiy [6.2K]
2 years ago
11

how many four digit natural numbers can be formed using the digits 1,2,3,4 if repitition is not allowed

Mathematics
2 answers:
bija089 [108]2 years ago
7 0
24 - (4x3x2x1 = 24) look it up online if you need more verification :)
kirill115 [55]2 years ago
5 0
Your answer is 16 because there’s only 4 numbers without repetition those numbers can be used 4 times so 4x4
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Mark decided to build a rectangular vegetable garden in his backyard that was 8 feet long and 4 feet wide. Steve liked Mark's ga
8090 [49]

Answer:

24 ft long

Step-by-step explanation:

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3 years ago
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jeka94
The answers are It is a quadrilateral and Both pairs of opposite sides are parallel.

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3 years ago
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Rate of change of 15
konstantin123 [22]

Answer:A General Note: Rate of Change

The average rate of change between two input values is the total change of the function values (output values) divided by the change in the input values.

Step-by-step explanation:

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3 years ago
A sequence is constructed according to the following rule: its first term is 7, and each next term is one more than the sum of t
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Answer:

5

Step-by-step explanation:

According to the described rule, we have

a_1=7\\ \\a_1^2=7^2=49\Rightarrow a_2=4+9+1=14\\ \\a_2^2=14^2=196\Rightarrow a_3=1+9+6+1=17\\ \\a_3^2=17^2=289\Rightarrow a_4=2+8+9+1=20\\ \\a_4^2=20^2=400\Rightarrow a_5=4+0+0+1=5\\ \\a_5^2=5^2=25\Rightarrow a_6=2+5+1=8\\ \\a_6^2=8^2=64\Rightarrow a_7=6+4+1=11\\ \\a_7^2=11^2=121\Rightarrow a_8=1+2+1+1=5\\ \\\text{and so on...}

We can see the pattern

a_5=a_8=a_{11}=a_{14}=...=5\\ \\a_6=a_9=a_{12}=a_{15}=...=8\\ \\a_7=a_{10}=a_{13}=a_{16}=...=11

In other words, for all k\ge 2

a_{3k-1}=5\\ \\a_{3k}=8\\ \\a_{3k+1}=11

Now,

a_{2018}=a_{3\cdot 673-1}=5

7 0
3 years ago
Find the size of the marked angles​
morpeh [17]

Answer:

b = 55°

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Step-by-step explanation:

b° = 180° - (85°+40°) = 180° - 125° = 55°

c° = 180° - (b°+90°) = 180° - (55°+90°) = 180° - 145° = 35°

3 0
3 years ago
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