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3 years ago

14

Emily was checking the weight of a gold nugget and a piece of fool’s gold. Together they weighed 92.9 grams. If the fool’s gold

was 35.6 grams, how much did the gold nugget weigh?

2 answers:

kolbaska11 [484]3 years ago

8 0

Answer:

57.3

Step-by-step explanation:

pochemuha3 years ago

6 0

92.9-35.6= 57.3. Therefore the gold nugget weighed 57.3 grams

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Jayson’s car can go 300 miles on 12.5 gallons of gasoline. How far can he drive on 42 gallons of gas?

fomenos

$300\ miles\ on\ 12,5\ gallons\\
x\ miles\ \ on\ \ \ 42\ gallons\\\\
Making\ proportion:\\
300-12,5\\
x-42\\\\
Cross\ multiplication\\
300*42=12,5x\\\\12600=12,5x\ \ \ | divide\ by\ 12,5\\\\
x=1008\\\\
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Answer: 145,998, 7,000, and 25,991

My guess :))

Step-by-step explanation:

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<u>First, Mike rounded his number to the nearest ten</u>

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<u>Then, he rounded his number to the nearest hundred.</u>

146,000 7,000 4,500 27,000 12,500

<u>Last, he rounded his number to the nearest thousand.</u>

146,000 7,000 5,000 27,000 12,000

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3 years ago

What is the cube root of 12

Nesterboy [21]

Cube root of 12 is 2.28942848511

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3 years ago

What is the product mentally of (ab + 3)(ab - 3)

AleksAgata [21]

Answer:

ab² - 9

Step-by-step explanation:

Given in the question an expression

(ab + 3)(ab - 3)

To product mentally we will use polynomial identity called

Difference of squares

<h3>a² - b² = (a+b)(a-b) </h3>

here a = ab

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C is the value and d is not

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