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blsea [12.9K]
2 years ago
6

If X= -6 and y=4 what is x² + y²​

Mathematics
2 answers:
Rainbow [258]2 years ago
6 0

Answer:

52

Step-by-step explanation:

(-6)x(-6)=36

(4)x(4)=16

36+16=52

Jobisdone [24]2 years ago
4 0

Answer:

x = 6 x 6

y = 4 x 4

Step-by-step explanation:

<em>This is because...</em>

x^2 means "x cubed", meaning multiply it by itself. Same for y.

<em>Now the math...</em>

6 x 6 = 36

4 x 4 = 16

<em>Math 2</em>

Without rounding, we find the true sum of 36 + 16 = 52.

Therefore,

x^2 + y^2 = 52

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2x+3/4(4x+16)=7 <br> I need help finding x.. I don’t know how to do these problems with fractions :(
KIM [24]

Answer:

x=-1

Step-by-step explanation:

2x+3/4(4x+16)=7

2x+(3x12)=7--->distributive property

2x+3x+12=7

5x+12=7--->addition property

5x=-5--->subtraction peroperty

x= -1---?division property

5 0
2 years ago
Adding and Subtracting Fractions Solve each problem. Write your answer as a mixed number(if possible) 1. 2 1/9 - 7/6= 2. 2/3 + 2
AleksandrR [38]
1) 1 1/6
2) 1  1/6
4) 5  1/ 18

hope you got your answer i didn't know what number 3 was so i did the rest


5 0
3 years ago
Is 7/8 a rational number
ohaa [14]

Answer:

true 7/8 is a rational number

6 0
3 years ago
Determine whether a triangle can be formed with the given side lengths. If so, use Heron's formula to find the area of the trian
mart [117]

Answer:

The area is 11317.51

Step-by-step explanation:

The sum of 2 sides must be less than the third side (largest side) for a triangle to be formed.

b+c<a

133+174 < 240

A triangle can be formed

To use Herons formula for the area

We find S = 1/2( a+b+c)

                 = 1/2(240+133+174)

                 =  1/2 (547)

                     = 273.5


Area = sqrt( S (S-a) (S-b)(S-c))

           sqrt((273.5 ) (273.5 -240) (273.5-133) (273.5-174))

           sqrt((273.5)(33.5) (140.5) (99.5))

            sqrt(128085964.4)

           11317.50699

The area is 11317.51

5 0
3 years ago
What is x in 2/3(x-6)=6
ollegr [7]

Answer:

Lets work through it.

1. Distribute values:

2/3x-4=6

2. Move variables to one side

2/3x=10

3.Divide by 2/3 or multiply by 3/2

x=10*1.5

4. Answer=1.5

3 0
3 years ago
Read 2 more answers
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