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Savatey [412]
3 years ago
5

Help if correct will give you brainliest

Mathematics
1 answer:
Scilla [17]3 years ago
8 0

Answer:

a makes sense to me

Step-by-step explanation:

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Name the property the equation illustrates. 8.2 + (–8.2) = 0
12345 [234]
The answer would be Addition property of equality i belive
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The weight of 100 identify samples of a substance is 0.1 pound what is the weight of 10,000 samples
ankoles [38]
...................it is 1 pound .......................
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More Algebra hw-- :/
grin007 [14]
Answer:
-11x=-66
x=6

Explanation:
-11x-12=-78
1) Add 12 to both sides.
-11x=-78+12
-11x=-66
2) Divide both sides by -11.
x=-66/-11
x=6

Hope this helps! Please leave a thanks and brainliest answer if you can :)
3 0
3 years ago
Find the points on x-axis where the circle with equation X square + Y square - 8 x - 8 Y - 9 = 0
Mamont248 [21]

Answer:

(- 1, 0) and (9, 0 )

Step-by-step explanation:

To find the x- intercepts let y = 0 in the equation and solve for x, that is

x² + y² - 8x - 8y - 9 = 0

x² - 8x - 9 = 0 ← in standard form

(x - 9)(x + 1) = 0 ← in factored form

Equate each factor to zero and solve for x

x - 9 =0 ⇒ x = 9

x + 1 = 0 ⇒ x = - 1

x- intercepts are (- 1, 0 ) and (9, 0 )

4 0
3 years ago
In a group of 39 students, 14 study both Art and Biology.
Blababa [14]

Answer:

66.666666666667%

Step-by-step explanation:

26 study biology

26/39= .66666666666667

convert into a percent

100 times .66666666666667 =66.666666666667%

3 0
3 years ago
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