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4 years ago

3 equivalent fractions to 1/3

Mathematics

2 answers:

mixer [17]4 years ago

7 0

What the guy said up there^

telo118 [61]4 years ago

6 0

2/6, 4/12, and 5/15 :)

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Based on a survey, assume that 43% of consumers are comfortable having drones deliver their purchases. Suppose that we want to

lutik1710 [3]

Answer:

The probability that exactly three of them are comfortable with delivery by drones is 0.2583.

Step-by-step explanation:

Let X = number of consumers comfortable having drones deliver their purchases.

The probability of the random variable X is, P (X) = p = 0.43.

Then q is, q = 1 - p

A sample of n = 5 consumers are selected.

The random variable X follows a Binomial distribution with parameters n and p.

The pmf of X is:

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

Compute the value of P (X = 3) as follows:

$P(X=3)={5\choose 3}0.43^{3}(1-0.43)^{5-3}\\=10\times 0.079507\times 0.3249\\=0.258318\\\approx0.2583$

Thus, the probability that exactly three of them are comfortable with delivery by drones is 0.2583.

6 0

3 years ago

Write the equation of the parabola in vertex form

damaskus [11]

Answer:

f(x)= - 4 ( $x^{2}$ ) + 3

Step-by-step explanation:

1. start with f(x)=a( $x-p)^{2}$ +q

2. in that vertex is (p,q) noticing that use given vertex(0,3) and change the equation/function --> f(x)=a(x-0)+3 --> f(x)=a( $x)^{2}$ +3

3. Then use the give point and substitute to find "a" value --> - 1 = a( $1)^{2}$ +3

--> - 1 = a + 3 --> a= - 4

4. put the "a" value into the #2. function/equation --> f(x)= - 4( $x)^{2}$ +3

5 0

3 years ago

HURRY

zepelin [54]

Point A is located at

✔ (–5, –6)

Point B is located at

✔ (9, 9)

7 0

3 years ago

Read 2 more answers

Use the hearts to find the sum of 9 + 3

Tomtit [17]

Answer:

Step-by-step explanation:

9 + 3 = 12

Where are these "hearts"?

4 0

4 years ago

Vince helped the pep club make sandwiches to raise money. He put two in each of 30 bags and 5 sandwiches in 26 family bags, and

tamaranim1 [39]

Answer is 181 sandwiches
Working steps
Firstly you want to work backwards and turn in equation
30*2+26*4+17=X
So 60+104+17=X
That means 181=X

Enjoy

4 0

3 years ago