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Alexxx [7]
1 year ago
12

Can someone help me?

Mathematics
1 answer:
Elden [556K]1 year ago
8 0

Answer:

  • A. 7 and 3
  • D. 1 and 5
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Find a polynomial with a degree of 3 and zeros -3,3,5
Aliun [14]

Answer:

f(x) = x³ - 5x² - 9x + 45

Step-by-step explanation:

Given x = a, x = b are the zeros of a polynomial, then

(x - a), (x - b) are the factors and f(x) is the product of the factors.

Here the zeros are x = - 3, x = 3 and x = 5, thus

(x + 3), (x - 3) and (x - 5) are the factors and

f(x) = (x + 3)(x - 3)(x - 5) ← expand the first pair of factors using FOIL

     = (x² - 9)(x - 5) ← distribute

    = x³ - 5x² - 9x + 45

   

6 0
3 years ago
The vertices of triangle ABC are A(5,2), B(-1,-6) and C(1,5). If Triangle DEF is similar to Triangle ABC and AB/DE=5, what could
astraxan [27]

Answer:

D(-5,3) and E(-5,1)

Step-by-step explanation:

|AB|² = (-1-5)² + (-6-2)²

|AB|² = 36 + 64

|AB|² = 100

|AB| = 10

AB/DE = 5

|DE| = 10/5 = 2

D(-5,3) and E(-5,1)

|DE|² = (-5+5)² + (3-1)²

|DE|² = 4

|DE| = 2

Verified

5 0
3 years ago
Read 2 more answers
A set of data has 12 pieces of data. Which of the following statements is NOT TRUE?
BARSIC [14]
To help you understand this, it is helpful to create a sample set of data:

__,__,__,(Q1 is here)__,__,__,(median is here)__, __,__,(Q3is here)__,__,__

A. The first 3 lines are 3 pieces of data in the first quartile.

B. here are 6 pieces of data between the 1st and 3rd quartiles.

D. There are 3 pieces of data in the upper quartile.
                                 

5 0
3 years ago
PLEASE ANSWER 20 POINTS
makkiz [27]
X=58 the exterior angle is “D” 60degrees
8 0
3 years ago
Total distance divided by total time is called what?
azamat
Speed is computed by dividing total distance by total time.

Speed = Total Distance / total time

From the above formula, we can derive the formula of time and distance.

Time = Distance / Speed

Distance = Speed x time



6 0
3 years ago
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