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2 years ago

2+ (-3)^2 - (-1) please explain! :3

Mathematics

2 answers:

Ugo [173]2 years ago

6 0

Answer:

Step-by-step explanation:

Hello!

First of all you have to understand the order of operations.

PEMDAS

Parenthesis, Exponent, Multiplication/Divison, Addition, Subtraction.

From this you can see that we first have to deal with the exponent, then multiplication, then the addition.

So we get 2+9-(-1)

The 9 is from -3^2

2+9+1

11+1

12.

Hope this helps!

NeTakaya2 years ago

6 0

Hopes this helps:

Answer: 12

Hope you have a great day.

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2 years ago

The Doe family had a rectangular garden with a 58-foot perimeter. They reduced the length by 7 feet and decreased the width to b

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Answer:

60 square foot

Step-by-step explanation:

Perimeter of a rectangular garden = 58 foot

Let x and y denote length and width of the rectangular garden.

2 (Length + Width) = Perimeter of the rectangular garden

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So,

length = x

width = y = $29-x$

The length is reduced by 7 feet and the width becomes half.

New length = $x-7$

New width = $\frac{1}{2}(29-x)$

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$2[(x-7)+\frac{1}{2}(29-x)]=34\\ 2[2(x-7)+(29-x)]=2(34)\\2(x-7)+(29-x)=34\\2x-14+29-x=34\\2x-x-14+29=34\\x+15=34\\x=34-15\\x=19$

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3 years ago

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Answer:

Step-by-step explanation:

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3 years ago

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