2 years ago

Which statements below are true?

Mathematics

1 answer:

Alex17521 [72]2 years ago

5 0

Answer:

A. Distance is always greater than or equal to the magnitude of the

displacement

Step-by-step explanation:

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Let 3x^2+kx+4. determine all values of k such that the quadratic equation f(x) =0 has one real root

user100 [1]

//I'll use the discriminant rule for this.
b^2 - 4ac = 0 when one real root

Therefore, k^2 - 4*3*4= 0
k^2 = 48
k= +-4√3

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3 years ago

F(x)= sqrt of 5x+7 and g(x)= the sqrt of 5x-7

ki77a [65]

F(x) = √(5x + 7)

g(x) = √(5x - 7)

(f + g)(x) = f(x) + g(x)

(f + g)(x) = √(5x + 7) + √(5x - 7)

Answer: C)

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3 years ago

Convert 510° from degrees to radians

vitfil [10]

Answer:

$\frac{17\pi }{6}$

Step-by-step explanation:

To convert from degrees to radians

radian = degree measure $\frac{\pi }{180}$

= 510 × $\frac{\pi }{180}$

= $\frac{51\pi }{18}$

= $\frac{17\pi }{6}$ radians

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2 years ago

Read 2 more answers

Please help and show steps

Sonja [21]

Answer:

i think it is c sorry if wrong

Step-by-step explanation:

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2 years ago

number of bald eagles in a country a discrete random variable, a continuous random variable, or not a random variable?

kykrilka [37]

Answer:

Discrete random variable.

Step-by-step explanation:

Discrete variable:

Countable numbers(0,1,2,3,...)

Continuous variable:

Can assume decimal values, such as 0.5, 2.5,...

Number of bald eagles:

Number of bald eagles is a countable value, either there a 0, 100, 1000,... so it is a discrete random variable.

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2 years ago