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nalin [4]
3 years ago
8

Beth uses the equation T =

Mathematics
1 answer:
kogti [31]3 years ago
3 0
1432456.459204058013494512305045091245019459045905911111111111904501945901000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001

This is what my calculator gave me...

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Write a polynomial function f of least degree that has a leading coefficient of 1 and the given zeros -4,-2,5. write the functio
OLga [1]

Answer:

Step-by-step explanation:

This is a third degree polynomial since we have 3 zeros.  We find these zeros by factoring the given polynomial.  The zeros of a polynomial are where the graph of the function goes through the x-axis (where y = 0).  If x = -4, the factor that gives us this value is (x + 4) = 0 and solving that for x, we get x = -4.  If x = -2, the factor that gives us that value is (x + 2) = 0 and solving that for x, we get x = -2.  Same for the 5.  The way we find the polynomial that gave us these zeros is to go backwards from the factors and FOIL them out.  That means that we need to find the product of

(x + 4)(x + 2)(x - 5).  Do the first 2 terms, then multiply in the third.

(x+4)(x+2)=x^2+2x+4x+8, which simplifies to

x^2+6x+8

No we multiply in the final factor of (x - 5):

(x^2+6x+8)(x-5)=x^3+6x^2+8x-5x^2-30x-40 which simplifies to

f(x)=x^3+x^2-22x-40

If you are aware of the method for factoring higher degree polymomials, which is to use the Rational Root Theorem and synthetic division, you will see that this factors to x = -4, -2, 5.  If you know how to use your calculator, you will find the same zeros in your solving polynomials function in your apps.

3 0
3 years ago
Help !!!!!! Need to know ASAP
madreJ [45]

Answer:

Multiply by 5

5*2f-5*6g=10f-30g

5 0
3 years ago
A multiple of 9 with the tens digit that is more than the units digit​
Colt1911 [192]

Answer:

81, tens place is 8 ,unit's pkace is 1, so 8>1, that satisfies.

7 0
2 years ago
92 POINTS PLS HELP ASAP. I'LL MARK BRAINLIEST
masya89 [10]

Answer:

C is the most reasonable answer because to add the system of equations together, you must make sure that one of the terms (whether it be the x or y value) can cancel out.

Step-by-step explanation:

4 0
2 years ago
Read 2 more answers
Using 3 5 and 8 once to equal 104
igomit [66]
Trial and error tried 8 x 6 =48 i used 10 x 5 to get closer to 100 10 x 5= 50 50+ 48= 98 all I need is 6 which is 2 x 3 8 x 6 = 48 5 x 10= 50 3 x 2 = 6 Total = 104 Hope this helps
7 0
3 years ago
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