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elena55 [62]
3 years ago
9

Simplify A) -38.5 B) -26 C) 7.25 D) 20

Mathematics
2 answers:
ser-zykov [4K]3 years ago
8 0
The the corr cat answe I think is a
Ganezh [65]3 years ago
6 0
I think your answer is 20
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Write a polynomial function in standard form with zeros at −3, −1, and 1.
Annette [7]

Answer:

f(x) = {x}^{3}  + 3 {x}^{2}  - x -3

Step-by-step explanation:

The given polynomial has zeros at:

x=−3, x=−1, and x=1.

This means that:

x+3, x+1, and x-1 are all factors of this polynomial.

The factored form of this polynomial is :

f(x) = (x + 3)(x + 1)(x - 1)

We expand the last two factors using difference of two squares.

f(x) = (x + 3)( {x}^{2}  - 1)

f(x) = x ( {x}^{2}  - 1) + 3( {x}^{2}  - 1)

f(x) = {x}^{3}  - x+ 3 {x}^{2}  -3

f(x) = {x}^{3}  + 3 {x}^{2}  - x -3

This is the standard form because it is now in decreasing powers of x.

8 0
3 years ago
Angles ∝ and β are the two acute angles in a right triangle. Use the relationship between sine and cosine to find the value of β
arlik [135]
Ok so cos(x) = sin(90-x) so using that you can get sin(7x-15) = sin(90-(3x+5)) so 7x-15 = -3x+85. 10x = 100 and x = 10. Use that to find the 2 angles are 55 and 35
5 0
3 years ago
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If you solve an equation and get an answer like x=-4, how many solutions does it have?
Furkat [3]
The answer would be it has one solution
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3 years ago
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At what points will Al be producing the most equal amounts of sandwiches and salads?
Neporo4naja [7]

Answer: D, Y, X

<u>Step-by-step explanation:</u>

The (salad, sandwich) coordinates are as follows:

A: (0, 10)

B: (1, 8)

C: (2, 6)

D: (3, 4)    MOST EQUAL AMOUNTS

E: (4, 2)

F: (5, 0)

X: (4, 8)    OUTSIDE OF THE PRODUCTION LINE

Y: (1, 3)     UNDER THE PRODUCTION LINE



8 0
2 years ago
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Which statement is true about the slope of the graphed line?
horsena [70]

Answer:

c

Step-by-step explanation:

because I had a test on these

5 0
1 year ago
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