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seropon [69]
4 years ago
9

Simplify b(a+b)-a(a- b)

Mathematics
2 answers:
melamori03 [73]4 years ago
8 0
   b(a+b) - a(a-b)
= ba + b² - a² + ab
= 2ab + b² - a²
= -a² + 2ab + b²
Ksivusya [100]4 years ago
5 0
B(a+b)-a(a-b)
ab+b^2-a(a-b)
ab+b^2-a^2+ab
b^2-a^2+2ab

Rearrange into standard form

Final answer: -a^2+2ab+b^2
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Out of 32 students in a class five said they rode there bikes to school. Based on these results, how many of the 800 students ri
melamori03 [73]
YOu have to set a proportion or do this easy method... 

5/32= <span>0.15625
the you multiply </span><span>0.15625 by 800 because that is what you want to find out of...

that means the answer is 125

125 ride their bike to school...

hope that helps and you give good feedback




</span>
3 0
3 years ago
How many five-minute segments are in 1 hour?
kvasek [131]

Answer:

The correct answer is 12.

To get this you will divide 60minutes into 5.

You will get the answer "12"

Thus, there are 12, 5 minute segments, in one hour.

Hope this helps, good luck!

4 0
4 years ago
Read 2 more answers
Why is it important to calculate the distance between two points on a cartesian coordinate plane?
Gwar [14]

Answer:

Derived from the Pythagorean Theorem, the distance formula is used to find the distance between two points in the plane. The Pythagorean Theorem,

a

2

+

b

2

=

c

2

, is based on a right triangle where a and b are the lengths of the legs adjacent to the right angle, and c is the length of the hypotenuse. The relationship of sides

|

x

2

−

x

1

|

and

|

y

2

−

y

1

|

to side d is the same as that of sides a and b to side c. We use the absolute value symbol to indicate that the length is a positive number because the absolute value of any number is positive. (For example,

|

−

3

|

=

3

. ) The symbols

|

x

2

−

x

1

|

and

|

y

2

−

y

1

|

indicate that the lengths of the sides of the triangle are positive. To find the length c, take the square root of both sides of the Pythagorean Theorem.

c

2

=

a

2

+

b

2

→

c

=

√

a

2

+

b

2

It follows that the distance formula is given as

d

2

=

(

x

2

−

x

1

)

2

+

(

y

2

−

y

1

)

2

→

d

=

√

(

x

2

−

x

1

)

2

+

(

y

2

−

y

1

)

2

We do not have to use the absolute value symbols in this definition because any number squared is positive.

A GENERAL NOTE: THE DISTANCE FORMULA

Given endpoints

(

x

1

,

y

1

)

and

(

x

2

,

y

2

)

, the distance between two points is given by

d

=

√

(

x

2

−

x

1

)

2

+

(

y

2

−

y

1

)

2

Step-by-step explanation:

4 0
3 years ago
25 dollars as an interger
strojnjashka [21]

Answer:

-25

Step-by-step explanation:

Hope this helps! :)

5 0
3 years ago
Read 2 more answers
What does (2x−2)(3x+5) equal?
saw5 [17]

Answer:

6x² + 4x + 10

Step-by-step explanation:

(2x - 2)(3x + 5)

2x(3x + 5) - 2(3x + 5)

6x² + 10x - 6x + 10

6x² + 4x + 10 ans.

hope this helps you !

4 0
2 years ago
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