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Allushta [10]
3 years ago
5

Choose the correct classification of x^6 + 3x^3 by number of terms and by degree.

Mathematics
1 answer:
Ahat [919]3 years ago
3 0
X^6 + 3x^6 is a sixth degree binomial because the highest power of x is 6.
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Factor 16x^2 + 49. Check your work.
Shtirlitz [24]

Answer:

16x^2+49=(x-\frac{7i}{4})(x+\frac{7i}{4})

Step-by-step explanation:

Given : Expression 16x^2+49

To find : Factor the expression ?

Solution :

The given expression is a quadratic function y=ax^2+bx+c the solution is x=\frac{-b\pm\sqrt{b^2-4ac}}{2a}

On comparing with general form,

a=16, b=0, c=49

Substitute in the formula,

x=\frac{-0\pm\sqrt{0^2-4(16)(49)}}{2(16)}              

x=\frac{\pm\sqrt{-3136}}{32}          

x=\frac{\pm56i}{32}      

x=\frac{56i}{32},\frac{-56i}{32}      

x=\frac{7i}{4},\frac{-7i}{4}              

Factors are (x-\frac{7i}{4}),(x+\frac{7i}{4})        

Therefore, 16x^2+49=(x-\frac{7i}{4})(x+\frac{7i}{4})    

4 0
3 years ago
The cost for children under twelve at a certain buffet restaurant is a base charge of a dollar plus twenty-five cents for each y
Brilliant_brown [7]

the answer will be

A. 1 + 0.25y; $2.25

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olya-2409 [2.1K]

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Step-by-step explanation:

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3 years ago
Easy multiplication and division question
Zigmanuir [339]

The minimum amount of sheets she can use are 4 sheets. 3 sheets contain 10 cookies, and 1 sheet has 6 cookies.

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A gymnast practices 6days each week. She practices the same number of hours each day. If she practices a total of 120 hours in a
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She practices 5 hours a day.
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