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3 years ago

Does the following equation, y= -x2 -10x +1 have a maximum or minimum. Explain

Mathematics

1 answer:

PilotLPTM [1.2K]3 years ago

3 0

Answer:

Step-by-step explanation:

Your y= -x2 -10x +1 should be written as y = -x^2 -10x +1. This is a quadratic function. Because the coefficient (-1) of the x^2 term is negative, we know immediately that the graph (a parabola) opens down, and thus has a maximum.

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dusya [7]

Answer:

XY = 16

Step-by-step explanation:

The ratio is 3 to 2 meaning that the sides of the triangle ABC and triangle AYY are in a ratio of 3 to 2. You are comparing the big triangle to the small triangle and the sides are compared the same way.

3:2 = 24:XY

3/2 = 24/XY

3 XY = 48

XY = 48/3

XY = 16

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3 years ago

A student wants to report on the number of movies her friends watch each week. The collected data are below:

Ann [662]

The best measure of center for a set of data is the median value.

To find the median list the values from

Smallest to largest:

0, 0, 1, 1, 2,2, 2, 14

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3 years ago

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10. Solve for x. 4(root) 2 4(root)2 X

bonufazy [111]

Answer:

Step-by-step explanation:

x² = (4√2)² + (4√2)²

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6 0

3 years ago

A spinner is divided into six equal-sized sectors labeled 1 through 6. Dwayne spins this spinner 12 times. Let X

slavikrds [6]

Answer:

b) μ = 2 and σ = 1.29

Step-by-step explanation:

Step(i):-

Given that the A spinner is divided into six equal-sized sectors labelled 1 through 6

Given that the probability of labelled '1'

$p = \frac{1}{6}$ =0.16

q = 1-p = 1- 0.16 = 0.84

Let 'X' be a random variable in binomial distribution

The mean of the binomial distribution

μ = n p

μ = $12 (\frac{1}{6} ) = 2$

The mean of the binomial distribution = 2

Step(ii):-

The standard deviation of X

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σ = $1.269$

The standard deviation of the binomial distribution

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3 years ago

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you deposit $350 in a savings account.the account earns 2.5% simple interest per year. what is the balance after 2 years

Monica [59]

Answer:

17.5

Step-by-step explanation:

350×2.5×1/100

17.5/2

8.75

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3 years ago