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Arada [10]
3 years ago
13

Imm mark u as a brainly if u help me!!!!!!!!

Mathematics
2 answers:
Nookie1986 [14]3 years ago
6 0

number 16 expanded form is

4*4*4

the answer is 64

number 18 is -3*-3*-3

the answer is -27

Number 20 is 1/2*1/2*1/2

the answer is 1/8

andrew11 [14]3 years ago
4 0

16. Expanded Form: 4 x 4 x 4 Value: 64

18. Expanded Form: -3 x -3 x -3 Value: -27

20. Expanded Form: \frac{1}{2} x \frac{1}{2} x \frac{1}{2} Value: \frac{3}{2} (Simplified: 1\frac{1}{2})

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The cost of a new CD is $14.95, and the cost of a video game is $39.99. How much would c CDs and v video games cost?
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Answer:

14.95c+39.99v

Step-by-step explanation:

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What is 0.012345679 as a fraction in simplest form
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Which expressions are equivalent to -6n + (-12) + 4n ?
raketka [301]
The expression equivalent to the fort is a) 4(n-3) -6n, if you so the math for the first one do what is inside the parenthesis first. (think PEMDAS) Parenthesis, Exponents, Multiplication, Division, Addition, and Subtraction. So the first thing it gives you is -6n +(-12) Well, a negative + a negative = a negative! So, -6+-12= -18, then add your caroable. So, -18n. Now, you add -18n with what you have left so 4n -18+4 is -14n. So, if you do answer a) (n-3) = (1n-3)= (1-3) =-2. -2×4=-8n because a negative × a positive = a negative because they have different signs. From there you have -8n - (6) Instead of subtracting you just add a negative So, you would rewrite your problem as: -8n+(-6)= -14n the same thing you got as your orginal. Hope tj
his helped! Don't forget about adding you variables and PEMDAS!! Also d po not forget about your positive a negative rules!!!
4 0
4 years ago
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How do u do 389.2÷28 in 5 grade standard algorithm show work
Mashutka [201]

Answer:

  see attached

Step-by-step explanation:

Each digit of the quotient is aligned with the least significant digit of the current dividend. The "current dividend" is that portion of the remaining dividend that is at least 1 and less than 10 times the divisor. The product of the quotient digit and the divisor is subtracted from the "current dividend" to get the remaining dividend.

__

For many folks, the hardest part of this algorithm is determining the appropriate quotient digit, and multiplying that by the divisor. Some teachers teach that you start this process by making a list of the multiples of the divisor:

N . . . 28N

1       28

2      56

3      84

4      112

...

This process can be aided by your number sense.

2N is simply N added to itself.

3N is N+2N.

4N is double 2N

5N is half of 10N.

You can proceed to build the table by adding 28 to each previous value, or by recognizing doubles and halves and other sums.

8 0
3 years ago
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