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tamaranim1 [39]
2 years ago
12

5. Simplify the expression 49. (1 point)

Mathematics
2 answers:
AveGali [126]2 years ago
6 0

Answer:

7

Step-by-step explanation:

the sign means square root

to find the answer find a number multiplied by itself to get 49

padilas [110]2 years ago
4 0

Answer:

7

Step-by-step explanation:

the square root of 49 is 7 since 7 x 7 = 49

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For the function F(x) = 2x^2-31x-51, where is the function increasing and positive? ( for all X values greater than what number
Ulleksa [173]
ANSWER
x \: > \: 17

EXPLANATION

The given function is

f(x) = 2 {x}^{2} - 31x - 51
Let us split the middle term to get,

f(x) = 2 {x}^{2} -34x + 3x- 51

We factor to obtain,

f(x) = 2x(x - 17) -+3(x - 17)

f(x) = (2x -+3)(x -17)

Let us find the zeros of f(x),

(2x +3)(x - 17) = 0

Either

2x +3 = 0 \: or \: x - 17 = 0
x = -\frac{3}{2} \: or \: x = 17

We need to find the x-value of the vertex, which is the midpoint of the x-intercepts.

This gives us,

\frac{- \frac{3}{2} + 17}{2} = 7.75
Hence the axis of symmetry of the parabola has equation,

x = 7.75

Since the given function has minimum turning point, it will decrease and then increase.

The function will be increasing for
x \: > \: 7.75

The function will be increasing and positive for
x \: > \: 17
7 0
3 years ago
Please help if your right ill rate you 5 stars and Brainiest!
BabaBlast [244]

Answer:

b) (4,-3) good luck with the rest

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3 years ago
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Answer:

25,428 this was a peice of pie

Step-by-step explanation:

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3 years ago
Helppp? I don’t understand trigonometry at all
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Answer:

The diagram presented on Third expresses the graph of

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Please help, I will mark brainliest!
ss7ja [257]

Answer: \frac{n^3-5n^2-3n-27}{n^2-8n-9}

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4 0
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