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kirill [66]
3 years ago
5

Which expression is equivalent to the given expression?

Mathematics
1 answer:
bogdanovich [222]3 years ago
4 0
<span>−(2n−6)
= -2n + 6
= -2(n - 3)

answer is </span><span>1. −2(n−3) 


</span>
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WIll GIVE BRAINLYEST TO WHOEVER ANSWERS BOTH QUESTIONS FIRST CORRECTLY
omeli [17]

Answer:

1. 8.4 in 2. 33.6  

Step-by-step explanation:

6 0
3 years ago
What is the center of the circle and radius defined by the following equation?<br><br> x2+y2+4y=5
vovangra [49]

Answer:

Step-by-step explanation:

Alternate forms:

x^2 + y (y + 4) = 5

x^2 + y^2 + 4 y - 5 = 0

Solutions:

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y = sqrt(9 - x^2) - 2

Integer solutions:

x = ± 3, y = -2

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Implicit derivatives:

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7 0
3 years ago
Assume that the random variable X is normally​ distributed, with mean mu equals 100 and standard deviation sigma equals 20. Comp
TEA [102]

Answer: 0.2119

Step-by-step explanation:

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Standard deviation : \sigma=20

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P(x>116)=P(z>0.8)=1-P(z\leq0.8)

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4 0
4 years ago
2+2=4 the wat does 50*1 equal
Rudiy27

Answer:

34

Step-by-step explanation:

8 0
3 years ago
Read 2 more answers
Find two positive numbers such that the sum of the first and twice the second is 56 and whose product is a maximum
Svetlanka [38]
Let 
x-------> the first number
y-------> the second number
P-----> product

we know that
x+2y=56----------> 2y=56-x-----> y=28-0.5x------> equation 1
P=x*y----> equation 2

substitute equation 1 in equation 2
P=x*[28-0.5x]-----> P=28x-0.5x²

using a graph tool
see the attached figure
the vertex is the point (28,392)
that means
for x=28
the product is 392    (maximum) 
find the value of y
y=28-0.5x----> y=28-0.5*28----> y=14

the answer is
the numbers are 28 and 14

5 0
4 years ago
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