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dsp73
3 years ago
13

_ 4. How many roots does the following equation have: 2x^4 – x^3 – 12x^2 – 25x + 5 = 0

Mathematics
1 answer:
vlada-n [284]3 years ago
7 0

Answer:

B. 4

Step-by-step explanation:

The degree of the polynomial (the exponent of the highest term) is the total number of roots (including imaginary roots).

The degree of this polynomial is 4, so there are 4 roots.

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I want to fined out the digree of polynomial 5 x^4 + 3 x^2 + 1
grigory [225]

Answer:

4

Step-by-step explanation:

The degree of a polynomial is the highest degree of a monomial contained within the polynomial. The degree of the monomial is the sum of the exponents on the variables. Example, the degree of -4x^6y is 6+1=7.

Example, the degree of 4x^8 is 8.

So the degree of 5x^4 is 4.

The degree of 3x^2 is 2.

The degree of 1 is 0 since there is no variable in this expression.

So the degree of 5 x^4 + 3 x^2 + 1 is 4.

4 0
2 years ago
Modeling Real-World Problems with Composite Functions
taurus [48]

Answer:

The third option: (f°g)(x)=1.07(0.65x)=06955x

Step-by-step explanation:

The reason I chose this is because 0.65x is the discount price.  That's because 35% off is the same as 1.00-0.35 which equals 0.65.  After that you would multiply that discount price by 1.07 because you want the 7% sales tax added on to the discount price.  Therefore, I would choose the third option as my answer.

7 0
3 years ago
If i have 20 questions on my test and 65% is a passing grade how many do i need to get right
mrs_skeptik [129]
13.

65% = 65/100, and 65/100 * 20 = 13
8 0
3 years ago
Read 2 more answers
A restaurant owner installed a new automated drink machine. The machine is designed to dispense 530 mLof liquid on the medium si
lidiya [134]

Answer:

a.H0: μ =530mL vs. Ha: μ > 530mL

Step-by-step explanation:

-A hypothesis test will be used to provide evidence that the median is more or equal to the stated median value.

#In a normally distributed population, the mean=mode=median:

Mean=Mode=Median=\mu

-The null hypothesis states that the median is equal to the stated value:

H_o:\mu=530 \ mL

-The alternative hypothesis provides evidence that the median value is greater than the stated value:

H_a:\mu>530\ mL

Hence, the correct hypotheses are H0: μ =530mL vs. Ha: μ > 530mL

6 0
3 years ago
Draw a Triangle whose tangent is 2. Find the values of the other five trigonometric functions
fenix001 [56]

Answer:

you gonna answer it

Step-by-step explanation:

Because that's yours book

4 0
2 years ago
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