3 years ago

What is symmetric property of equality? What is the answer to this problem?

1 answer:

7 0

The symmetric property of equality states that if two variables exist and a = b, then b = a.

So, your answer would be C (If a = b, then b = a)! :D

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Exhibit 5-8 The student body of a large university consists of 60% female students. A random sample of 8 students is selected. R

expeople1 [14]

Answer:

P(X=2)=0.04129

Step-by-step explanation:

-This is a binomial probability problem whose function is expressed as;

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

-Given that p=0.6, n=8 , the probability that among the students in the sample exactly two are female is calculated as:

$P(X=x)={n\choose x}p^x(1-p)^{n-x}\\\\P(X=2)={8\choose2}0.6^2(1-0.6)^6\\\\=0.04129$

Hence, the probability of exactly two females is 0.04129

8 0

3 years ago

Rozlyn invested $2000 in an account that pays 4.25% annual simple interest. She will not make any additional deposits or withdra

PilotLPTM [1.2K]

Answer:

$850

Step-by-step explanation:

Interest = Principal x Rate x Time

I = 2000(.0425)(10)

I = 850

3 0

3 years ago

The amount of corn chips in a 16-ounce bag by the dispensing machine has a normal distribution with a mean of 16.5 ounces and a

Elenna [48]

Answer: 1+1=2

Step-by-step explanation: Imagine you have 1 cookie, and a friend gives you 1 more, that means your total amount of cookies is 2. So that proves that 1+1=2!

8 0

2 years ago

-8 + 3h = 1 <br>i need help its a 2 step equation

LekaFEV [45]

Answer:

h = 3

Step-by-step explanation:

-8 + 3h = 1

Add 8 to both sides.

3h = 1 + 8

Add 1 and 8 to get 9.

3h = 9

Divide both sides by 3.

h = $\frac{9}{3}$

Divide 9 by 3 to get 3.

h = 3

7 0

2 years ago

HELP ME!! whats the answer? no goofing around pleaze

valentinak56 [21]

Answer: A

Step-by-step explanation:

$\frac{6.3\cdot \:10^8}{9\cdot \:10^2}$

$=\frac{6.3\cdot \:10^6}{9}$ --> Exponent rule for division, 10^8/10^2 = 10^6

= 700,000 --> In scientific notation, 7.0×10^5

6 0

2 years ago