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2 years ago

PLS HELP HELP HELP! 16 POINTS!

Mathematics

1 answer:

igor_vitrenko [27]2 years ago

4 0

Answer:

I don't get which problem your trying to slove

Step-by-step explanation:

the answers are c, c, and a

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Help please!!!!!!!!!

SOVA2 [1]

Find the area of the triangles and smal ler square and add them together ; and find the area of the complete square and set them equal to each other (these are known truths)
triangle: l×w /2
square: s^2
There are 4 triangles so

4 (1/2ab)+c^2= (a+b)(a+b)
simplify

2ab+c^2= a^2+2ab+b^2
-2ab both sides

c^2=a^2+b^2

tada!! it's proven :)

6 0

3 years ago

In the expression 3x²y + 4x – 5x’y, are the terms 3x’y

Sidana [21]

Answer:

Yes. 3x²y and -5x²y are like terms because the variables x and y have the same exponents.

3 0

3 years ago

Which equation has the correct sign on the product?

Alik [6]

Answer:

Step-by-step explanation:

(+)x(-)=(-)

(-)x(-)=(+)

8 0

2 years ago

Need help asap need it thenext few minutes

pantera1 [17]

Answer:

Correct Option is d $(x+3)^2 = 11$

Step-by-step explanation:

For completing the square our equation should be in the form of $a^2 +2ab + b^2 = (a+b)^2$

In the given equation we have:

$x^2 +6x -2\\x^2 + 2(x) (?) +(?)^2 = 2\\for\,\, making\,\, 6x\,\, 2*x*3=6x \\so, \,\,we\,\, can\,\, add\,\, and\,\, subtract\,\, (3)^2 \,\,on\,\, both\,\, sides\\x^2 + 2(x) (3) +(3)^2 -(3)^2= 2\\(x+3)^2 -9 =2\\(x+3)^2 =2+9\\(x+3)^2 = 11$

Correct Option is d $(x+3)^2 = 11$

6 0

2 years ago

A painter leans a 15-ft ladder against a house. The base of the ladder is 5ft from the house. A: To the nearest tenth of a foot,

Dvinal [7]

Answer:

14.1 feet

Step-by-step explanation:

Draw a diagram to get a triangle, and label it. use the pythagorean theorem, a^2+b^2=c^2

6 0

2 years ago