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3 years ago

State the Domain of the function .

Mathematics

1 answer:

Sever21 [200]3 years ago

3 0

Anywhere there is a point, is part of the domain. So we see a point at x = -2. x = 0, x = 1, x= 2, x = 3, and x = 4.

So the domain would be

{-2, 0, 1, 2, 3, 4}

Answer choice 1.

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A drag racer has two parachutes, a main and a backup, that are designed to bring the vehicle to a stop after the end of a run. S

sweet-ann [11.9K]

Answer:

the probability that one parachute deploys is P(one parachute deploys)= 0.9988 (99.88%)

Step-by-step explanation:

for event A= first parachute deploys , then P(A)=0.97

for event B= second parachute deploys, then

P(C∩B)= P(B/C)*P(C)

where

event C= first parachute fails

P(C) = 1-P(A)= 1-0.97 =0.03

P(B/C) = probability that second parachute deploys, when the fist one fails =0.96

P(C∩B)= probability that fist parachute fails and second parachute deploys

then

P(C∩B)= P(B/C)*P(C)=0.03*0.96 = 0.0288

then

P(one parachute deploys)= P(A) + P(C∩B) - P(A∩(C∩B)) ,

but since A and C are mutually exclusive events P(A∩(C∩B)) =0

thus

P(one parachute deploys)= P(A) + P(C∩B) =0.97 + 0.0288 = 0.9988

P(one parachute deploys)= 0.9988

6 0

3 years ago

5/7−(−1/7) please answer fast I need iittt

Taya2010 [7]

Answer: $\frac{6}{7}$

Step-by-step explanation:

$\frac{5}{7}-\left(-\frac{1}{7}\right)$

Once you take off the parenthesis, your sign should change from negative to positive.

$\frac{5}{7}-\left(-\frac{1}{7}\right)=\frac{5}{7}+\frac{1}{7}\\\\\frac{5}{7}+\frac{1}{7}$

The fractions now both have the same denominator. Thus, we can add the numerators.

$\frac{5+1}{7}\\\\5+1\\\\6=\frac{6}{7}$

Therefore, $\frac{5}{7}-\left(-\frac{1}{7}\right)=\frac{6}{7}$

5 0

3 years ago

Is it true w is the set of (s,w,n,t,c)

umka21 [38]

Answer:

{w} is the SUBSET of {s,w,n,t,c}

Step-by-step explanation:

SUBSET: Any set P is called a SUBSET of a set Q is ALL ELEMENTS of P are in the set Q.

i.e P ⊂ Q

Here, the given set Q = {s,w,n,t,c}

Also, set P = {w}

Now,as the element w of set P is also an element of set Q.

⇒ P is the SUBSET of Q

⇒ P ⊂ Q

⇒ {w} ⊂ {s,w,n,t,c}

Hence, {w} is the SUBSET of {s,w,n,t,c}.

5 0

4 years ago

Intersection of a square and a regular pentagon can be ?

Natali5045456 [20]

Answer:

A Triangle

Step-by-step explanation:

When you overlap a square in a pentagon you get a triangle

6 0

3 years ago

1000^8=10x<br> What does x equal?

finlep [7]

Answer:

x=100000000000000000000000

Step-by-step explanation:

6 0

2 years ago