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katrin2010 [14]
3 years ago
11

Scott had 3 equal stacks of baseball cards. He gave one stack to his brother Shawn.

Mathematics
2 answers:
Anuta_ua [19.1K]3 years ago
6 0
90 cards in total and 30 in each stack
konstantin123 [22]3 years ago
5 0
90 there is 30 in each. 30 x 3 is 90
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Find a polynomial of degree 3 with a real coefficient that satisfies the given condition. Zeros: -2, 1, 0; f(2)=32
xz_007 [3.2K]
Its factors would be
(x+2)*(x-1)*(x+0)

x^2 +x -2

x^3 + 0 + x^2 + 0 -2x +0

Equation: x^3 + x^2 -2x
f(2) = 8 + 4 -4

2x^3  + 2x^2  -4x +0
f(2) = 16 + 8 -8

3x^3  + 3x^2  -6x +0
f(2) =  24 +12 -12

4x^3  + 4x^2  -8x +0
f(2) =  32 +16 -16

So, the equation is:
4x^3  + 4x^2  -8x = 0




8 0
3 years ago
Find the inverse of the given function.<br><br> f(x) = -1/2√x + 3, x ≥ -3
inna [77]
<span>Find the inverse of the given function.

f(x) = -1/2√x + 3, x ≥ -3

I will have to assume that you meant f(x) = -(1/2)sqrt(x) + 3.  If you actually meant f(x) = -(1/2)sqrt(x+3), then obviously the correct result would be different.

1.  Replace "f(x)" by "y:"  y </span>= -(1/2)sqrt(x) + 3
 2.  Interchange x and y:  x = -(1/2)sqrt(y) + 3
3.  Solve for y:  x-3=-(1/2)sqrt(y), so that 2(3-x)= sqrt(y) and y=+sqrt(2[3-x])
4.  Replace "y" with 

           -1
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Here, there are restrictions on x, since the domain of the sqrt function does not include - numbers.  The domain here is (-infinity,3]
4 0
3 years ago
Read 2 more answers
What is the sum of Negative 8 + 6?
Pavlova-9 [17]

Answer:

-14 or -2

Step-by-step explanation:

-8+-6= -14

-8+6 = -2

7 0
3 years ago
Which expression best estimates 6 and three-fourths divided by 1 and two-thirds?
bixtya [17]

Answer: The expression is 7/2.

3 0
2 years ago
Which shows the list of numbers in order from least to greatest?
nirvana33 [79]

Answer:

-1, |-2|, |-3|, |3.5|, |3²|

Step-by-step explanation:

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  • Calculate the exponents : 3, 9, 2 , 3.5, -1
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2 years ago
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