3 years ago

1. Which graph represents the inequality? y <3x + 1

Mathematics

2 answers:

Marrrta [24]3 years ago

8 0

Answer: A

Step-by-step explanation:

seropon [69]3 years ago

5 0

Answer:

I'm not 100% sure, use answer with caution

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It was reported that 23% of U.S. adult cellphone owners called a friend for advice about a purchase while in a store. If a sampl

leva [86]

Answer:

$P(X=7)$

And using the probability mass function we got:

$P(X=7)=(15C7)(0.23)^7 (1-0.23)^{15-7}=0.0271$

Step-by-step explanation:

Let X the random variable of interest, on this case we now that:

$X \sim Binom(n=15, p=0.23)$

The probability mass function for the Binomial distribution is given as:

$P(X)=(nCx)(p)^x (1-p)^{n-x}$

Where (nCx) means combinatory and it's given by this formula:

$nCx=\frac{n!}{(n-x)! x!}$

And we want to find the following probability:

$P(X=7)$

And using the probability mass function we got:

$P(X=7)=(15C7)(0.23)^7 (1-0.23)^{15-7}=0.0271$

5 0

3 years ago

3. Ken mows lawns to earn money on the weekend. He mows 6 lawns evert 4 hours.

Rina8888 [55]

Answer:

m = 1.5h

Step-by-step explanation:

He can mow 1.5 lawns in an hour. So to find the amount of lawns mowed u would have to multiply 1.5 and the amount of hours.

4 0

3 years ago

Add up all the numbers in existence together.

Romashka-Z-Leto [24]

Wouldn’t that just be infinitely?

7 0

3 years ago

Determine which postulate can be used

Kruka [31]

Answer:

SAS postulate

Step-by-step explanation:

The triangles have two congruent sides and one congruent angle. The congruent angle is the included angle. This meets SAS criteria.

<u>Hope this helps :-)</u>

3 0

3 years ago

If two circles are externally tangent, it is not possible to draw an external tangent line. True/False

kotykmax [81]

Answer:

I think its true

Step-by-step explanation:

6 0

2 years ago

Read 2 more answers