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slava [35]
3 years ago
13

7(x+y)^(2)+13x(x+y)-2^(2) help

Mathematics
1 answer:
artcher [175]3 years ago
6 0

Answer:

https://www.symbolab.com/solver/step-by-step/7%5Cleft(x%2By%5Cright)%5E%7B2%7D%2B13x%5Cleft(x%2By%5Cright)-2%5E%7B2%7D

Step-by-step explanation:

try this link

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The area of the right triangle shown is 30 ft squared. The segment XY has a length of 5 ft. Find the length of the hypotenuse.
alexgriva [62]

Answer:

Hypotenuse is 13 ft.

Step-by-step explanation:

A=(1/2)bh

30=(1/2)(5)(h)

30=2.5h

h=12  so ZY = 12ft

Then

a^{2} +b^{2} =c^{2} \\5^{2} +12^{2} =c^{2} \\25+144=c^{2} \\169=c^{2}\\13=c

8 0
3 years ago
What are the solutions of the equation 6x2 +5x+1 = 0 ?
STatiana [176]

Answer:

Step-by-step explanation:

6x^2+5x+1=0

Descr= b^2-4ac

Descr= 25-24=1

X1= (-b+√descr)/2a = (-5+1)/12= -1/3

X2= (-b-√descr)/2a = (-5-1)/12= -1/2

6 0
3 years ago
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Find the value of y of the figure below.
AURORKA [14]
I hope this helps you

4 0
3 years ago
Simplify 11 to the power of negative 4 over 11 to the power of 8
AlekseyPX

Answer:

1. 1 over 11 to the power of 12

Step-by-step explanation:

\huge \frac{ {(11)}^{ - 4} }{ {(11)}^{8} } \\  \\  \huge =   \frac{ 1}{ {(11)}^{8 + 4} }  \\  \\\huge  =   \frac{ 1}{ {(11)}^{12} }

7 0
3 years ago
Whats the equation of the line?
Phantasy [73]

Answer: I believe it should be answer B

Step-by-step explanation: the x coordinate pairs with y and vice versa and if it’s positive you subtract is how I remember it.

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3 years ago
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