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Irina-Kira [14]
3 years ago
13

What's the answer ??????

Mathematics
1 answer:
Marat540 [252]3 years ago
7 0
I hope this helps you



u^2=s^2+t^2 this equation is Pythagorean



and this triangle is right triangle


m (SUT)=90
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Can anyone answer these questions
SOVA2 [1]

Answer:

see explanation

see explanationStep-by-step explanation:

21

Note that

(a - \frac{1}{a})²

= a² - 2 + \frac{1}{a^2}

= a² + \frac{1}{a^2} - 2

= 11 - 2

= 9

Thus

(a - \frac{1}{a})² = 9 ( take the square root of both sides )

a - \frac{1}{a} = 3

22

Since the expression is a perfect square, then

(4x + 5y)²

= 16x² + 40xy + 25y²

Comparing coefficients, then

a - 1 = 40 ( add 1 to both sides )

a = 41

23

99² - 87² ← is a difference of squares and factors as

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3 0
4 years ago
Are any solutions possible for this problem..
dimulka [17.4K]

The equation: -2(x+3)=-2x-6, is simplified with distribution of parentheses: -2x-6=-2x-6.

Now add 2x to both sides and get: -6=-6.

The numbers are equal therefore the solution to the equation x can be any number x\in\mathbb{R}.

8 0
4 years ago
Help pleaseeee and show your work thanks :)​
Maslowich

Answer:

Step-by-step explanation:

5.

12x-7

12 x 4-7

48-7=41

answer-41

6.

(4 to the power of 2 =16)

16 divided by 8=2

answer-2

7.

5(1) + 3(7)-1(to the third power)

exponents first-1

multiplication

5x1=5 + 3x7=21

21+5=26

26-1

answer-25

8. 8(2nd power)divided by 2(4) +3(7)-1

8 to the 2nd power =16

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answer 28

8 0
3 years ago
Hippalectryon Konrad509
ollegr [7]
Distance between X and Y = 8-2=6
Hence Z=8+6=14

The coordinate of Z is 14
4 0
3 years ago
The height of a right rectangular prism is three times the width of the base. The length of the base is twice the width.
Elena L [17]

Answer:

It is 6w3 cubic units

Step-by-step explanation:

4 0
4 years ago
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