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3 years ago

The graph below is the graph of a function. True or False??

Mathematics

2 answers:

bazaltina [42]3 years ago

8 0

Answer:

mmmmmmmm I wanna say it's false. like almost positive

Readme [11.4K]3 years ago

6 0

Answer true
Explanation: what makes a graph function is a set of points in the plane is the graph of a function if and only if no vertical line intersects the graph in more than one point

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The sum of 42 and twice a number is 164. find the number

Simora [160]

Answer:

Step-by-step explanation:

let the number be x then twice the number is 2x, hence

42 + 2x = 164 ( subtract 42 from both sides of the equation )

2x = 122 ( divide both sides by 2 )

x = 61

Hence the number is 61

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3 years ago

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Line q has an equation of y = 1/3x - 4. Parallel to line q is line r, which passes through the

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Answer:

confusion

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3 years ago

At a party, the cheese pizza is cut into 15 slices and the veggie pizza is cut into 6 slices. If the host wants to serve identic

givi [52]

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2.5 platters

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3 years ago

An unbalanced die is manufactured so that there is a 20% chance of rolling a “six." The die is rolled 6

SIZIF [17.4K]

Answer:

Probability of rolling at least 4 sixes is 0.01696.

Step-by-step explanation:

We are given that an unbalanced die is manufactured so that there is a 20% chance of rolling a “six." The die is rolled 6 times.

The above situation can be represented through binomial distribution;

$P(X = r) = \binom{n}{r} \times p^{r} \times (1-p)^{n-r};x=0,1,2,3,.......$

where, n = number trials (samples) taken = 6 trials

r = number of success = at least 4

p = probability of success which in our question is probability of

rolling a “six", i.e; p = 0.20

Let X = Number of sixes on a die

So, X ~ Binom(n = 6, p = 0.20)

Now, Probability of rolling at least 4 sixes is given by = P(X $\geq$ 4)

P(X $\geq$ 4) = P(X = 4) + P(X = 5) + P(X = 6)

= $\binom{6}{4} \times 0.20^{4} \times (1-0.20)^{6-4}+\binom{6}{5} \times 0.20^{5} \times (1-0.20)^{6-5}+\binom{6}{6} \times 0.20^{6} \times (1-0.20)^{6-6}$

= $15 \times 0.20^{4} \times 0.80^{2}+6 \times 0.20^{5} \times 0.80^{1}+1 \times 0.20^{6} \times 0.80^{0}$

= 0.0154 + 0.00154 + 0.000064

= 0.01696

Therefore, probability of rolling at least 4 sixes is 0.01696.

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3 years ago

a video-game enthusiast saved $750 to spend on a video game player and games. The player cost $400. The game cost $49 each. At m

Scilla [17]

750 = 400 + 49x he can by 7 games

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3 years ago

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