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Lesechka [4]
3 years ago
12

I really need help with this question ​

Mathematics
1 answer:
OLga [1]3 years ago
4 0

Answer:

2pin1,n€Z

2pin2+pi,n2€Z

Step-by-step explanation:

maybe, but I'm not sure

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Help me please! This is urgent.
pychu [463]

Answer:

I think W or Z but not really sure so

3 0
3 years ago
Read 2 more answers
If f(x) = -2x2 - 3 and g(x) = 3x - 4, then f(g(2))= ? A) -37 B) -22 C) -19 D) -11
aleksandr82 [10.1K]

Answer:b

Step-by-step explanation:

5 0
3 years ago
25.7 is what percen of 141?
suter [353]

25.7 is 18.23% of 141.

Step-by-step explanation:

Let,

The percent be x.

Therefore,

x% of 141 = 25.7

Changing percent into 100 and multiplying x with 141.

\frac{141}{100}x=25.7

1.41x = 25.7

Dividing both sides by 1.41

\frac{1.41x}{1.41}=\frac{25.7}{1.41}\\\\x=18.23\%

25.7 is 18.23% of 141.

Keywords: percentage, division

Learn more about division at:

  • brainly.com/question/6465937
  • brainly.com/question/6431715

#LearnwithBrainly

3 0
4 years ago
What is the value of x?
Luden [163]

This is an isosceles triangle because the picture shows it has two equal sides. Isosceles triangles have two equal angles.

The sum of all the angles of a triangle = 180º.

We can use this equation to solve for x:

2x + 54 = 180.

     - 54    -54     Subtract 54 from both sides.

2x = 126

/ 2     /2  Divide 2 from both sides to isolate x.

x = 63º

Let's check! 63 + 63 + 54 = 180? YUP!

5 0
3 years ago
I need help with easy math​
spin [16.1K]

Answer: x = -1 and y = 9

The two equations are:

-9x + 2y = 23

-4x -y = -3

Now find for x in the first equation...

-9x + 2y = 23

-9x = 23 - 2y

x = (23 - 2y)/-9

Now place this value of x in the second equation and find for y...

-4{(23-2y)/-9} - y = -3

-92 + 8y + 9y = -3 * -9

17y = 27 + 92

y = 119/17

y = 7

Now place the value of y in the first equation," -9x + 2y = 23 " and find x

-9x + 2*7 = 23

-9x + 14 = 23

-9x = 23-14

x = 9/-9

x = -1

There you go! Hope it helps

<h2>૮꒰ ˶• ༝ •˶꒱ა </h2><h2>./づᡕᠵ᠊ᡃ࡚ࠢ࠘ ⸝່ࠡࠣ᠊߯᠆ࠣ࠘ᡁࠣ࠘᠊᠊° </h2>

i shoot u >:(

<h2> </h2><h2>૮꒰ ˶> ༝ <˶꒱ა </h2><h2>./づᡕᠵ᠊ᡃ࡚ࠢ࠘ ⸝່ࠡࠣ᠊߯᠆ࠣ࠘ᡁࠣ࠘᠊᠊°.~♡︎ </h2>

with love tho-

7 0
3 years ago
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