Work out a volume of a prism 4m x 4m x 7m

Answers

Answer 1

Answer:

multiply all of that together

7x4= 28

28x4=112

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Which fraction converts to a repeating decimal number 1/12 7/8 14/25 17/20 6/10
You are baking cupcakes for your class. There are 30 total students in your class and you have baked 15 cupcakes. Write andsolve an equation to find the additional number of cupcakes you need to bake in order to have 3 cupcakes for each student.Write your equation so that the units on each side of the equation are cupcakes per student.Equation:= 3Number of cupcakes: x=

A container holds 50 electronic components, of which 10 are defective.1. If 6 components are drawn at random from the container, the probability that at least 4 are not defective is ?
A) 0.26
B) 0.42
C) 0.75
D) 0.91
E) 1.00
2. If 8 components are drawn at random from the container, the probability that exactly 3 of them are defective is ?
A) 0.147
B) 0.203
C) 0.300
D) 0.375
E) 0.750

Answers

1.) q = P(defective) = 10/50 = 0.2
p = P(not defective) = 1 - P(defective) = 1 - 0.2 = 0.8
P(x) = nCr p^x q^(n-x)
P(x ≥ 4) = P(4) + P(5) + P(6) = 6C4 * (0.8)^4 * (0.2)^2 + 6C5 * (0.8)^5 * 0.2 + (0.8)^6 = 15 * 0.4096 * 0.04 + 6 * 0.32768 * 0.2 + 0.262144 = 0.24576 + 0.393216 + 0.262144 = 0.90112
Option D is the correct answer.

2.) p = P(defective) = 10/50 = 0.2
q = P(not defective) = 1 - P(defective) = 1 - 0.2 = 0.8
P(x) = nCr p^x q^(n-x)
P(x = 3) = 8C3 * (0.2)^3 * (0.8)^5 = 8C3 * 0.008 * 0.32768 = 56 * 0.008 * 0.32768 = 0.1468
Option A is the correct answer.

A 1992 poll conducted by the University of Montana classified respondents by gender and political party, as shown in the table below. We wonder if there is an association between gender and party affiliation. Which of the following would be the appropriate type of test to investigate our hypothesis?(Democratic | Republican | Independent )
Male= ( 36 | 45 | 24 )
Female= ( 48 | 33 | 16 )
A. Chi-squared test of good fit with 6 degrees of freedom
B. Chi-squared test of independence with 2 degrees of freedom
C. Chi-squared test of good fit with 2 degrees of freedom
D. Chi-squared test of independence with 6 degrees of freedom

Answers

The right answer for the question that is being asked and shown above is that: "B. Chi-squared test of independence with 2 degrees of freedom
" The answer that would be the appropriate type of test to investigate our hypothesis is that "B. Chi-squared test of independence with 2 degrees of freedom. This is the correct answer.

The function h(x)=x^2+3 and g(x)=x^2-6. if g(x)=h(x)+k, what is the value of k?

Answers

$x^2-6=x^2+3+k\n k=-9$

g(x) = x² - 6
h(x) = x² + 3

  g(x) = h(x) + k
  x² - 6 = (x² + 3) + k
  x² - 6 = x² + 3 + k
- x² - x²
-6 = 3 + k
- 3 - 3
-9 = k

The value of k is -9.

Please help me mathematics.

Answers

D ur welcome and hope this helps

What is 10 to the power of 9 times 2.64

Answers

Solution: 10∧9 x 2.64 = n

Answer: 2,640,000,000

-l0 = -2+1/2 d solved for d

Answers

$-10 =-2+ (1)/(2) d$

$-10=-2+ (d)/(2)$

$-10= (d)/(2) -2$ $Regroup \ terms$

$-10+2= (d)/(2)$ $Add \ 2 \ to \ both \ sides$

$-8= (d)/(2)$

$-8*2=d$ $Multiply \ both \ sides \ by \ 2$

$d=-16$

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A book shows an enlarged photo of a carpenter bee. A carpenter bee is about 6×10^-3 m long. The photo is 13.5 cm long. About how many times as long as a carpenter bee is the photo?