4 years ago

6(c-2d^2)-2(4c-d^2) please show steps. if it's right i'll give brainliest

Mathematics

1 answer:

Stells [14]4 years ago

3 0

Answer:-10d^2-2c

Step-by-step explanation:

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3 years ago

Prove that the value of the expression: (5^18–25^8)(16^4–2^13–4^5) is divisible by 30 and 44.

makvit [3.9K]

The value of the expression is not divisible by 30 and 44.

<u>Explanation:</u>

$(5^1^8 - 25^8) (16^4-2^1^3-4^5)\\=(5^1^8 - 5^2^\times^8) (2^4^\times^4 - 2^1^3 - 2^2^\times^5)\\=(5^1^8 - 5^1^6)(2^1^6-2^1^3-2^1^0)\\=(5^2) ( 2^3-2^1^0)\\=(25) (8-1024)\\=(25) \times (-1016)\\= -25400$

To check the number -25400 be divisible by 30 and 44, divide the number -25400 by 30 and 44

On dividing -25400 by 30 we get, -846.66

On dividing -25400 by 44 we get, -577.27

Therefore,

The value of the expression is not divisible by 30 and 44.

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4 years ago

(Kindergarten work) 1+2+3+4+5+6++7+8+9+10

andrew-mc [135]

Answer:

Step-by-step explanation:

Just add them together. 1+2=3; 3+3=6; 6+4=10; 10+5=15; 15+6=21; 21+7=28; 28+8=36; 36+9=45; 45+10=55.

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3 years ago

Three less than the product of two and a number y

expeople1 [14]

Answer:

$2y-3$

Step-by-step explanation:

It is saying to subtract 3 from the product of 2 and the variable, y.

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3 years ago