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3 years ago

I’ll give brainless!!! Pls helpp

Mathematics

1 answer:

Alecsey [184]3 years ago

6 0

Multiply 5 with y equals 5y the divide 30 by 5 and multiply your answers

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Find the perimeter and area of the polygon with the given vertices. Round your answers to the nearest tenth, if necessary.

Scilla [17]

24.5, 2 sides are 7 and 7x7=49. then you have to divide by two because it is a triangle so the answer is 24.5

4 0

3 years ago

Describe how you know that (8+9)+3 is equivalent to 8+(9+3). What is the benefit to using this property

NISA [10]

Answer:

Associative property of addition

Step-by-step explanation:

The associative property of addition is as follows :

a+(b+c) = (a+b)+c

We have,

a = 8, b = 9 and c = 3

So,

Using above property,

(8+9)+3 = 8+(9+3)

20 = 20

Hence, this is the required solution.

7 0

3 years ago

The difference of two numbers is one and their product is 56

Sunny_sXe [5.5K]

Answer:

8 and 7

Step-by-step explanation: since 8-7 is 1 and product is multiplication, 8 x 7 is 56

7 0

3 years ago

12) Add the fractions, and simplify if possible.<br><br> (y+7)/(y^2-y-12) - 2/(y^2-9)

lianna [129]

Answer:

$\dfrac{y^2+2y-13}{(y-4)(y+3)(y-3)}$

Step-by-step explanation:

Given the expression

$\dfrac{y+7}{y^2-y-12}-\dfrac{2}{y^2-9}$

First, factor each denominator:

1. $y^2-y-12=y^2-4y+3y-12=y(y-4)+3(y-4)=(y-4)(y+3)$

2. $y^2-9=(y-3)(y+3)$

Now the expression is

$\dfrac{y+7}{(y-4)(y+3)}-\dfrac{2}{(y-3)(y+3)}$

Now, multiply the first numerator by (y-3) and the second by (y-4) and write the result as a fraction with denominator $(y-4)(y+3)(y-3):$

$\dfrac{(y+7)(y-3)-2(y-4)}{(y-4)(y+3)(y-3)}=\dfrac{y^2-3y+7y-21-2y+8}{(y-4)(y+3)(y-3)}=\dfrac{y^2+2y-13}{(y-4)(y+3)(y-3)}$

This fraction cannot be simplified more.

3 0

3 years ago

What is the slope of the line?

Fed [463]

Answer:

y= -3/1x-3

Step-by-step explanation:

its the right answer

5 0

3 years ago