3 years ago

Our class is yelling at eachother over this problem. Helpppp

Mathematics

1 answer:

Naya [18.7K]3 years ago

3 0

Answer:

Step-by-step explanation:

Hello! I am not sure 100% but I would say B

Hope this helps

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Is this mapping a function or not a function

Crazy boy [7]

Answer:

This is not a function.

Step-by-step explanation:

In a function, every x value corresponds with only one y value. In this relationship, the 6 corresponds with both 5 and 10, which is impossible in a function. Thus, it isn't a function.

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3 years ago

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When solving equation which is the best first step to begin to simplify the equation -2(x+3)=-10

LiRa [457]

Answer:

Step-by-step explanation:

Alright, lets get started.

The given equation is :

$-2(x+3)=-10$

If we divide the equation with -2 in both sides

$\frac{-2(x+3)}{-2}=\frac{-10}{-2}$

$(x+3)=5$

$x+3=5$

Subtract 3 in both sides

$x+3-3=5-3$

$x=2$

So, the first step of simplifying equation is divide equation with -2. : Answer

Hope it will help :)

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3 years ago

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The area of the square piece of the card board is 81 square inches what is length of the cardboard

Cerrena [4.2K]

The length would be 9.

Area of a square is side^2, so to solve for side, take the square root of 81

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3 years ago

65 in = ? ft ? in<br> 4 ft 16 in<br> 5 ft 5 in<br> 6 ft 0 in<br> 780 ft 0 in

steposvetlana [31]

Answer:

the anwer is 5 ft 5 in

Step-by-step explanation:

thats all

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3 years ago

What number must you add to complete the square?

NikAS [45]

Whenever you complete a square, you're really taking this:

(x+b)^2=x^2+2bx+b^2 [/tex]

And equating roots. Here, the b is clearly 11 (2b=22 implies b=11), so that means we want 121 as our ending number. That means we should add 121 to both sides to get:

$x^2+22x+121=9+121 \implies \\ (x+11)^2=130$

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4 years ago