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dem82 [27]
3 years ago
12

Somebody, please help! This is my exam.

Mathematics
2 answers:
Arlecino [84]3 years ago
8 0

Answer:

The answer is A or B but I think A more

Step-by-step explanation:

Kazeer [188]3 years ago
7 0
Answer is B if it isn’t I’m sorry
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Let x1 = 12, y1 = 15, and y2 = 3. Let y vary inversely with x. Find x2.
Ostrovityanka [42]
We have that an inverse variation in a function is given by:
 y = k / x

 We must find the value of the constant k.
 To do this, we substitute the values of x1 = 12, y1 = 15.
 We have then:
 15 = k / 12

 Clearing k we have:
 k = (15) * (12)

k = 180
 Substituting the value of k we have that the inverse variation is:
 y = 180 / x

 For y2 = 3 we have:
 3 = 180 / x2

 Clearing x2 we have:
 x2 = 180/3
 x2 = 60
 Answer:
 
x2 = 60
3 0
3 years ago
B) Find g (-3) for g(x) = 3x + 5
fredd [130]

Step-by-step explanation:

g(x)=3x+5

g(-3)=3(-3)+5

=-9+5

=-4

3 0
2 years ago
What is the value of fraction 1 over 3x2 + 5.2y when x = 3 and y = 2?
LenaWriter [7]
\dfrac{1}{3}x^2+5.2y\\\\for\ x=3\ and\ y=2\\\\\dfrac{1}{3}\cdot3^2+5.2\cdot2=\dfrac{1}{3}\cdot9+10.4=\dfrac{9}{3}+10.4=3+10.4=13.4
4 0
2 years ago
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Determine the measure of the unknown angle in each triangle​
devlian [24]

Answer:

78 degrees

Step-by-step explanation:

If you look at it, 2 of the angels are the same- those angels are A and B- the angel we are looking for. Angel A is 78 degrees and if angel A and angel B are equal then angel B is also 78 degrees.

5 0
2 years ago
What is the distance from the origin to point P graphed on the complex plane below?
11111nata11111 [884]

Answer:

Sqrt 29

Step-by-step explanation:

6 0
3 years ago
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