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3 years ago

Which one doesn’t belong? Why? Explain. please help me

Mathematics

2 answers:

sertanlavr [38]3 years ago

6 0

Answer:

I think the answer is y = -2x + 4 because that is the only one that has a negative slope. The other choices all have positive slopes.

My name is Ann [436]3 years ago

5 0

Hi! So, the one that doesn't belong is a) y = 4x.

I think that this doesn't belong because every other option has a number after the variable (I forget the exact term for it but it's like +7, +4, and -1 for the rest of the options)

Please let me know how I can further help you :)

(

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The space shuttle flight control system called PASS (Primary Avionics Software Set) uses four independent computers working in p

tigry1 [53]

Answer:

$f_X(k)=\binom{4}{k}0.003^k0.997^{4-k}$

Step-by-step explanation:

Recall that a <em>probability mass function</em> defined on a discrete random variable X is just a function that gives the probability that the random variable equals a certain value k

$f_X(k)=P(X=k)$

In this case we have the event

“The computer will ask for a roll to the left when a roll to the right is appropriate” with a probability of 0.003.

Then we have 2 possible events, either the computer is right or not.

Since we have 4 computers in parallel, the situation could be modeled with a binomial distribution and the probability mass function

$f_X(k)=\binom{4}{k}0.003^k0.997^{4-k}$

This gives the probability that k computers are wrong at the same time.

6 0

3 years ago

Graph the relation. Is the relation a function? Why or why not? {(-5, 6), (-2, 3), (3, 2), (6, 4)}

Rainbow [258]

It is a function, because it has the shape of an x^2 function.

4 0

3 years ago

If you invest $100 into an account that earns 9% interest each year, how many years will it take for you to have $200?

Helga [31]

It does not say simple or compound interest.
Simple interest is rarely used these days, so assume compound.
Use the standard formula:
future value = present value*(1+rate/n)^(nt)
n=number of times interest is compounded per year (=1)
t=number of years
Plugging values,
200=100(1.09)^t
1.09^t = 2
take log
t(log(1.09))=log 2
t=log(2)/log(1.09)=0.6931/0.08618=8.04 years.

8 0

3 years ago

Plz help me solve this

posledela

1.-28×-28×-28+13×13×13+16×16×16

=21,952+2,197+4,096

=28,245.

2.12×12×12+-7×-7×-7+-5×-5×-5

=1,728+-343+-125

=1,260

6 0

3 years ago

PLS HELP. It’s question 11

bija089 [108]

Answer:

B.) 10 cm squared

Step-by-step explanation:

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3 years ago

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