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Anuta_ua [19.1K]

3 years ago

5

Practice Problem #5 Background: The pie chart shows the approximate percentages teenagers spend doing various activities in a da

y. Use the informa…
haha you just got rickrolled

1 answer:

olya-2409 [2.1K]3 years ago

3 0

Boom get rickety rick rolled on this guys question

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Find an upper limit for the zeroes 2x^4 -7x^3 + 4x^2 + 7x - 6 = 0

erik [133]

<u>Answer-</u>

2 is the upper limit for the zeros.

<u>Solution-</u>

The given function f(x) is,

$2x^4 -7x^3 + 4x^2 + 7x - 6 = 0$

For calculating the zeros,

$\Rightarrow f(x)=0$

$\Rightarrow 2x^4 -7x^3 + 4x^2 + 7x - 6 = 0$

$\Rightarrow 2x^4-4x^3-3x^3+6x^2-2x^2+ 4x+3x-6=0$

$\Rightarrow 2x^3(x-2)-3x^2(x-2)-2x(x-2)+3(x-2)=0$

$\Rightarrow (x-2)(2x^3-3x^2-2x+3)=0$

$\Rightarrow (x-2)(x^2(2x-3)-1(2x-3))=0$

$\Rightarrow (x-2)(x^2-1)(2x-3)=0$

$\Rightarrow (x-2)(x+1)(x-1)(2x-3)=0$

$\Rightarrow x-2=0,\ x+1=0,\ x-1=0,\ 2x-3=0$

$\Rightarrow x=2,\ x=-1,\ x=1,\ x=\frac{3}{2}$

From all the 4 roots, it can be obtained that 2 is the greatest zero.

7 0

3 years ago

Can someone answer number 16 PLEASE

-Dominant- [34]

Answer:

If i am correct it should be 34

Step-by-step explanation:

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3 years ago

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Use the distributive property to remove the parenthesis<br> (v+12)10

serg [7]

The distributive property means to distribute the number being multiplied by the numbers in the parentheses.
In this case, (v+12) is being multiplied by 10.
To solve this, you simply have to multiply 10 by each term inside the parentheses.
That means it would be (v•10)+(12•10).
(v•10) is equal to 10v, since v is the variable and we don't know its value.
(12•10) is equal to 120.
So by using the distributive property we can find that (v+12)10 = 10v+120.

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3 years ago

How many boards,each 2 ft and 8 inches long, can be cut from a board 16 inches long?

Keith_Richards [23]

Answer: 2

Step-by-step explanation: 16/8=2

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3 years ago

Solution for -2 1/3 divided by 4 2/3

Zina [86]

The answer would be -0.5 hope this helped!

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2 years ago

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