3 years ago

Qual dos seguintes polinómios é igual a (x - 3)2 - x2

Mathematics

1 answer:

soldi70 [24.7K]3 years ago

7 0

Bsbsvsvsvsvsvsvvzvzvzvzvzvz

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Students are painting a mural.So far 1/4 is blue, 2/8 are red and 3/12 are blue. Use fraction stips to show how much of the mura

Aleonysh [2.5K]

Answer: 9/12

Step-by-step explanation:

1. 1/4+2/8 (common denominators)

2/8+2/8=4/8 or 1/2

2. 1/2+3/12 (common denominators)

6/12+3/12= 9/12

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3 years ago

the food bill for meal at a restaurant is $12. THe sales tax is 6.5%, and you leave 15% tip. Wat is the total cost of the meal?

jeka57 [31]

Answer:

Step-by-step explanation:

12*6.5%=0.72

12+15%=13.8

0.72+13.8=14.52

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2 years ago

Can somebody plz help me [-5+(-7)]^2-(7+3)^2

Firdavs [7]

Answer:

$\boxed{44}$

Step-by-step explanation:

$[-5+(-7)]^2-(7+3)^2$

Resolving Parenthesis

$(-5-7)^2-(10)^2\\(-12)^2-100\\144-100$

=> 44

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3 years ago

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The science club sold 25 t-shirts last week and 18 t-shirts this week. what is the percentage of decrease in the number of t-shi

valina [46]

Percent decrease : (original number - new number) / original number...x 100
percent decrease = (25 - 18) / 25....x 100
percent decrease = 7/25 * 100
percent decrease = 700/25 = 28%

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3 years ago

1/4+3/8+1/2+5/8+7/8

Ket [755]

Answer: 1/4+3/8+1/2+5/8+7/8

= 21/8

Hope this helps :)))

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3 years ago

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