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3 years ago

Solve the given problem. Zara is six years older than half Gary’s age. If Gary is four years old, how old is Zara?

Mathematics

1 answer:

ch4aika [34]3 years ago

7 0

The answer is C. 8

4/2 = 2

2+6 = 8

Let me know if you have any questions!

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Would 8ft. 24ft. and 33ft make a triangle?

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Remember, the length of the longest sid must be less than the sum of the other 2 sidess

33 is longest
33<24+8
33<32
false

it would not make a triangle

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2 years ago

Please help if possible thank you

Helga [31]

$y = \frac{3}{2}$

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3 years ago

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1 year ago

Aaron wants to mulch his garden. His garden is x^2+18x+81 ft^2 One bag of mulch covers x^2-81 ft^2 . Divide the expressions and

blsea [12.9K]

Answer:

Step-by-step explanation:

Given

Garden: $x^2+18x+81$

One Bag: $x^2 - 81$

Requires

Determine the number of bags to cover the whole garden

This is calculated as thus;

$Bags = \frac{x^2+18x+81}{x^2 - 81}$

Expand the numerator

$Bags = \frac{x^2+9x+9x+81}{x^2 - 81}$

$Bags = \frac{x(x+9)+9(x+9)}{x^2 - 81}$

$Bags = \frac{(x+9)(x+9)}{x^2 - 81}$

Express 81 as 9²

$Bags = \frac{(x+9)(x+9)}{x^2 - 9\²}$

Evaluate as difference of two squares

$Bags = \frac{(x+9)(x+9)}{(x - 9)(x+9)}$

$Bags = \frac{(x+9)}{(x - 9)}$

Hence, the number of bags is $Bags = \frac{(x+9)}{(x - 9)}$

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3 years ago

Select the expression that is equivalent to 2b+ 5 + 6b − 2b − 1.

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Step-by-step explanation:

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2 years ago

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