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Veronika [31]
3 years ago
9

The lifespans of gorillas in a particular zoo are normally distributed. The average gorilla lives 20.8 years; the standard devia

tion is 3.1 years. Use the empirical rule (68-95-99.7\%) to estimate the probability of a gorilla living between 11.5 and 27 years.
Mathematics
2 answers:
MakcuM [25]3 years ago
7 0

Answer:

go to a called math and  way but without  the space or the and

Step-by-step explanation:

nignag [31]3 years ago
6 0

Answer:

97.35%

Step-by-step explanation:

Khan academy

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Write (2x - 5)2 as a trinomial.
solniwko [45]

Answer:

4x^2-20x+25

Step-by-step explanation:

(2x-5)^{2} \\(2x)^2+2(2x)(-5)+(-5)^2\\4x^2-20x+25

7 0
3 years ago
Read 2 more answers
4x + 5y = 22<br> 7x - 3y = -32
lana66690 [7]

Answer:

x = -2

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Step-by-step explanation:

i multiplied the 1st equation by 3 and the 2nd by 5 to get the y-terms to zero out

   12x + 15y = 66

+  <u>35x - 15y = -160</u>

   47x = -94

x = -94/47

x = -2

substitute -2 for 'x' to solve for 'y':

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3 0
3 years ago
The polynomial is missing the coefficient of the third and last terms.
bulgar [2K]

In order to divide polynomials using synthetic division, you must be dividing by a linear expression and the leading coefficient (first number) must be a 1. For example, you can use synthetic division to divide by x + 3 or x – 6, but you cannot use synthetic division to divide by x2 + 2 or 3x2 – x + 7. If the leading coefficient is not a 1, then you must divide by the leading coefficient to turn the leading coefficient into a 1. For example, 3x – 1 would becomex minus 1/3 and 2x + 7 would becomex plus 7/2. If synthetic division will not work, then you must use long division.

8 0
2 years ago
what is the value of x? SHOW ALL YOUR WORK. ONLY ANSWER IF YOU KNOW. PLEASE DONT REWRITE SOMEONE ELSE'S ANSWER DOWN. WILL MARK B
ioda

Answer:

I'm pretty sure he or she are right^^

Step-by-step explanation:

I Know

7 0
3 years ago
Which ordered pair or pairs are solutions to the equation? Select ALL that apply.
mart [117]

Answer:

c

Step-by-step explanation:

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7 0
3 years ago
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