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svet-max [94.6K]
3 years ago
7

If you fold a normal curve, each half would fit perfectly on top of the other. This characteristic is known as __________.

Mathematics
2 answers:
tensa zangetsu [6.8K]3 years ago
8 0
The answer is either reflection or reflexive.
creativ13 [48]3 years ago
4 0
It is known as reflection
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If f(x) = 4* + 12x and g(x) = 5x - 1, find (f + g)(x).​
Rudik [331]

Answer:

\large\boxed{(f+g)(x)=4^x+17x-1}

Step-by-step explanation:

(f+g)(x)=f(x)+g(x)\\\\f(x)=4^x+12x,\ g(x)=5x-1\\\\(f+g)(x)=(4^x+12x)+(5x-1)=4^x+17x-1

4 0
3 years ago
Austin is 69 years younger than Jamie. 3 years ago, Jamie's age was 4 times Austin's age. How old is Austin now?
matrenka [14]

Answer: 26 years old

Step-by-step explanation:

  1. Create an equation with Austin as x and Jamie as x+69 (I just like workin with addition signs more)= 4(x-3)= x+69-3
  2. Simplify the equations --> 4x-12=x+66
  3. Solve the equation: 3x-12=66 --> 3x=78 --> x=26

This is the same as other age problems, just with the extra step of distributing the multiplication.

4 0
3 years ago
The rate of discount, R, can be determined using the formula, where P is the regular price of an item and D is the discount or a
astraxan [27]

Answer:

B.0.31

Step-by-step explanation:

% of change = amount of change/original price

R=(P-D)÷P

39-27=12

12÷39=.307

≈.31

8 0
3 years ago
HELP PLS ASAP!!
DedPeter [7]

Answer:

cos^(-1)(12/13) = 22.62°

Step-by-step explanation:

Inverse trig functions are used to find angles. I was taught SOH CAH TOA: sine = opposite/hypotenuse, cosine = adjacent / hypotenuse, tan = opposite / adjacent.

Here, we have an adjacent side length and the hypotenuse. So we use inverse cosine.

4 0
3 years ago
What is one fourth of a number decreased by 10,is -50 <br>​
Rashid [163]

1/4x - 10 = -50

1/4x = one forth of a number

-10 is decreased by 10

= -50 means is -50

5 0
3 years ago
Read 2 more answers
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