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steposvetlana [31]
3 years ago
14

Please help me on this problem !

Mathematics
1 answer:
frosja888 [35]3 years ago
3 0

Answer:

9

Step-by-step explanation:

it's an isosceles right ∆.

so (9√2)^2 = 81*2= 162 = 2s^2

let x=y=s

s^2 = 81

s = 9

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Find the area of the figure below in square centimeters. 10 cm 3cm 4 cm 6 cm
Ne4ueva [31]

Answer:

720

Because

area of squre =SIDE MULTIPLE BY SIDE

SO

10 MULTIPLE 3 MULTIPLE 4 MULTIPLE 6

SO ANS 720

7 0
3 years ago
I know this is in german but i really really need help...
Nookie1986 [14]

Answer:

i would have helped u

Step-by-step explanation:

but i have forgotten the steps in solving this question

8 0
3 years ago
Read 2 more answers
Here is another Guy's... This one is hard..12 Points? First one to answer with a great explanation gets brainlest (:!
schepotkina [342]

Answer:

25/16

Step-by-step explanation:

(4/5)^−2

=

(4/5)^−2

=

(5/4)^2

=

(5/4)*(5/4)


=


5*5/4*4


=


5^2/4^2

=


25/16


(Decimal: 1.5625)

7 0
3 years ago
How do you do this Problem using factoring (fx)=4x^2-25?
Yanka [14]

Answer: (2x+5)(2x−5)

Step-by-step explanation:For me, what i like to do is to try divide the problem into two parts. For example in this problem, you would divide the 4x^2 into two 4x(since 4x+4x = 4x^2). Then 25 can be divide into into 5s (5x5=25). SInce you know that its a negative 25, you know that it has to be a negative on one of the sides. So the answer in factor form is (2x+5)(2x−5)

5 0
4 years ago
Which of the following are solutions to the equation below?
inysia [295]

The answer is C and D

First we must make one side of the equation zero, so we subtract 7 on both sides of the equation, making the equation 9x^2 - 6x - 6 = 0

Then we will use the quadratic formula to find the answers.

using the Quadratic Formula where:

a = 9, b = -6, and c = -6

and the formula is 6 +- \sqrt{6^{2} } -4 (9)(6) /2 (9)

6 0
3 years ago
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