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Nataly [62]
3 years ago
15

Xcube + 4x+2 divisible by x+2

Mathematics
2 answers:
SIZIF [17.4K]3 years ago
8 0
It’s not divisible because there’s a remainder.

kenny6666 [7]3 years ago
3 0

Answer:

Step-by-step explanation:

note : let f(x) = x^3 +4x+2 is not divisible because :

f(-2) = (-2)^3 +4(-2)+2 = -14≠0 (you have the raimned

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Evaluate the expression 8.2(5)^2
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Answer:

205

Step-by-step explanation:

5^2 = 25

8.2 * 25 = 205

wth ..

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3 years ago
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What is the value of AAA when we rewrite 2^{x-6}+2^{x}2 x−6 +2 x 2, start superscript, x, minus, 6, end superscript, plus, 2, st
Nuetrik [128]

Answer:

A=\frac{65}{64}\ or\ A=1.015625

Step-by-step explanation:

Given:

The expression is given as:

2^{x-6}+2^{x}

The equivalent expression to the above expression is given as:

A\cdot 2^{x}

Now, simplifying the original expression using the law of indices:

a^{m-n}=\frac{a^m}{a^n}

So, 2^{x-6}=\frac{2^x}{2^6}. The expression becomes:

=\frac{2^x}{2^6}+2^x

Now, 2^x is a common factor to both the terms, so we factor it out. This gives,

=2^x(\dfrac{1}{2^6}+1)\\\\=2^x(\frac{1}{64}+1)\\\\=2^x(\frac{1}{64}+\frac{64}{64})\\\\=2^x(\frac{1+64}{64})\\\\=2^x(\frac{65}{64})\\\\=(\frac{65}{64})\cdot 2^x

Now, on comparing the simplified form with the equivalent expression, we conclude:

A\cdot2^x=(\frac{65}{64})\cdot 2^x\\\\A=\frac{65}{64}\ or\ 1.015625

Therefore, the value of 'A' is A=\frac{65}{64}\ or\ A=1.015625

7 0
3 years ago
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What is the equation in point slope form for a linear function with a slope of m = -4 that passes through the
Alex_Xolod [135]
Y + 7 = -4(x - 2)

The equation for point slope form is
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It coordinates and slope are given, they just need to be plugged into the equation.

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Subtracting a negative can be written as adding a positive, so the equation can be simplified as:

y + 7 = -4(x - 2)
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3 years ago
A rectangle is drawn so that the width is 3 feet shorter than the length. The area of the rectangle is 10 square feet. Find the
Alex17521 [72]
It’s 7929281 becuase idc
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The cost of four sweats and two pairs of jeans is $140. The cost of two sweats and theee pairs of jeans is $150. Define the vari
posledela

Answer:

The system would be:

4x + 2y = 140

2x + 3y = 150

Step-by-step explanation:

If we represent the cost of sweats by the letter x and the jeans by the letter y, we can then write an equation for each of the situations using the number of each in each situation.

4x + 2y = 140

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8 0
4 years ago
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