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4 years ago

Do I multiply, please help

Mathematics

2 answers:

NikAS [45]4 years ago

8 0

Answer:

yes

Step-by-step explanation:

Leokris [45]4 years ago

5 0

to find the surface area, you need to find the area of all 6 sides using the dimensions given. each visible side has an opposite side that has the same dimensions.

1) 6*2=12

2) 6*2=12

3) 9*2=18

4) 9*2=18

5) 9*6=54

6) 9*6=54

then, you have to add all 6 sides together.

12+12+18+18+54+54

24+36+108

60+108

<u>168 cm squared is the surface area</u>

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Create a truth table of the function PRIME(A,B,C,D) where A,B,C,D are the bits of a 4-bit number. A is the highest significant b

Serga [27]

Answer:

The output is 1 for:

$1_{10} = (0001)_{2}$

$2_{10} = (0010)_{2}$

$3_{10} = (0011)_{2}$

$5_{10} = (0101)_{2}$

$7_{10} = (0111)_{2}$

$11_{10} = (1011)_{2}$

$13_{10} = (1101)_{2}$

Step-by-step explanation:

The first step is creating the truth table, from the most significant bit to the least significant. Then, each value is converted to decimal, like these two examples:

$(1111)_{2} = 1*2^{0} + 1*2^{1} + 1*2^{2} + 1*2^{3} = 15$

$(1110)_{2} = 0*2^{0} + 1*2^{1} + 1*2^{2} + 1*2^{3} = 14$

After the conversion, if the decimal equivalent of the 4-bit number is prime, the output is 1.

So, the output is 1 for 1,2,3,5,7,11,13

A - B - C - D - Decimal - Output

0 - 0 - 0 - 0 - 0 - 0

0 - 0 - 0 - 1 - 1 - 1

0 - 0 - 1 - 0 - 2 - 1

0 - 0 - 1 - 1 - 3 - 1

0 - 1 - 0 - 0 - 4 - 0

0 - 1 - 0 - 1 - 5 - 1

0 - 1 - 1 - 0 - 6 - 0

0 - 1 - 1 - 1 - 7 - 1

1 - 0 - 0 - 0 - 8 - 0

1 - 0 - 0 - 1 - 9 - 0

1 - 0 - 1 - 0 - 10 - 0

1 - 0 - 1 - 1 - 11 - 1

1 - 1 - 0 - 0 - 12 - 0

1 - 1 - 0 - 1 - 13 - 1

1 - 1 - 1 - 0 - 14 - 0

1 - 1 - 1 - 1 - 15 - 0

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