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harkovskaia [24]
3 years ago
15

What is the distance between (-6,4) and (-8, 6)?

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

Answer:

\sqrt{8}=2\sqrt{2}

Step-by-step explanation:

by using well known formula, distance on XOY plane

\sqrt{(x_2-x_1)^2+(y_2-y_1)^2}\\=\sqrt{(-8-(-6))^2+(6-4)^2}\\=\sqrt{(-2)^2+(2)^2}

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If mZDEC = (12x - 3), mZBCE =
kati45 [8]

Answer:

Step-by-step explanation:

12x - 3 = 180 - (7x - 26) supplementary angles

19x = 209

   x = 11

m∠DEC = 12(11) - 3 = 129°

m∠BCE = 7(11) - 26 = 51°

M∠ADE = 129 - 72 = 57°  exterior angle rule

m∠EDB = 180 - 57 = 123° supplementary angles

m∠DBC = 57° corresponding angle to ADE

3 0
2 years ago
P(x)-x^4-3x^2+kx where k is an unknown integer.
timurjin [86]

Answer:4

Step-by-step explanation:

P(2)

(2)

4

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2+2k

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k

​

=10

=10

=10

=10

=8

=4

​

5 0
3 years ago
Rewrite the expression in the form 9^n<br> (9^3) (9^12)
BartSMP [9]

Answer:

{9}^{15}

Step-by-step explanation:

( {9}^{3} ) \times ( {9}^{12} ) = 9 {}^{3 + 12}  =  {9}^{15}  \\

5 0
3 years ago
give an example if an equation where any value if X will make the equation true. Infinite number of solutions. PLS HELP
defon

Answer:

x+3 = x+3

Step-by-step explanation:

No matter what you plug into x, both sides will be the same.

8 0
3 years ago
1 + 1 =<br><br>A- 3<br>B- 2<br>C- 1<br>D- 4​
aliina [53]

Answer:

2

Step-by-step explanation:

because thats what I learned

5 0
3 years ago
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