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Anettt [7]
3 years ago
13

Discribe two different strategies to add 16+35+24+14

Mathematics
2 answers:
Ira Lisetskai [31]3 years ago
5 0
1st strategy: Add the first two terms and the last two.

16+35 + 24+14
51 + 38 = 89

2nd strategy: add the first and last term and the middle 2 terms.

16 + 35 + 24 + 14
30 + 59 = 89
Whitepunk [10]3 years ago
3 0
1st strategy: Add the first two terms and the last two. 

16+35 + 24+14
51 + 38 = 89

i dont reamber the second one  
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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
What is the sum of the number of faces, edges, and vertices for a rectangular prism?
Vera_Pavlovna [14]

Answer: 28

Step-by-step explanation: 6 faces, 12 edges, 8 vertices

3 0
3 years ago
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ruslelena [56]

Answer:

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Step-by-step explanation:

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8 0
3 years ago
Read 2 more answers
Y=-x+2 <br> y=-5x-6 <br> What is y and x
tatyana61 [14]
To solve this system of equations, since y is already isolated in both equations, you can set the expressions to equal each other to solve for x:

-x + 2 = - 5x - 6
-x + 5x = -6 - 2
4x = -8
x = -2

Now that we have x, we can substitute it into one of the equations to find y:

y = -(-2) + 2
y = 2 + 2
y = 4

The last step is to substitute both values into both equations to see if they are correct:

4 = -(-2) + 2    -->    4 = 2 + 2    <--True
4 = -5(-2) - 6    -->    4 = 10 - 6    <--True

Answer:
x = -2
y = 4
6 0
3 years ago
How to solve the problem
777dan777 [17]
Hope this helps.....

4 0
3 years ago
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