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marusya05 [52]
3 years ago
14

Which function is the inverse of ? A. B. C. D.

Mathematics
1 answer:
Elden [556K]3 years ago
3 0
<h3> <em>Answer</em><em>:</em></h3><h2><em>Option</em><em> </em><em>D</em><em> </em><em>is</em><em> </em><em>the</em><em> </em><em>right</em><em> </em><em>option.</em></h2>

<em>Please</em><em> </em><em>see</em><em> the</em><em> attached</em><em> picture</em><em> for</em><em> full</em><em> solution</em><em>.</em><em>.</em><em>.</em>

<em>Hope</em><em> </em><em>it</em><em> </em><em>helps</em><em>.</em><em>.</em><em>.</em>

<em>Good</em><em> </em><em>luck</em><em> on</em><em> your</em><em> assignment</em><em>.</em><em>.</em><em>.</em>

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What simple machine is this? i'll mark brainliest!
BartSMP [9]

A LEVER

Its a lever because both sides can be controlled by eachother :)

6 0
3 years ago
Read 2 more answers
A bin of 50 manufactured parts contains 3 defective parts and 47 non-defective parts. A sample of size 6 parts is selected from
lyudmila [28]

Answer:

535,095 different samples of size six that contain exactly 2 defective parts.

0.0337 = 3.37% probability that a sample contains exactly 2 defective parts.

Step-by-step explanation:

A probability is the number of desired outcomes divided by the number of total outcomes.

As the order of the parts is not important, the combinations formula is used to solve this question.

Combinations formula:

C_{n,x} is the number of different combinations of x objects from a set of n elements, given by the following formula.

C_{n,x} = \frac{n!}{x!(n-x)!}

How many different samples are there of size six that contain exactly 2 defective parts?

2 defective from a set of 3, and 4 non-defective from a set of 47. So

D = C_{3,2}*C_{47,4} = \frac{3!}{2!1!}*\frac{47!}{4!43!} = 535095

535,095 different samples of size six that contain exactly 2 defective parts.

What is the probability that a sample contains exactly 2 defective parts?

The total number of samples is:

T = C_{50,6} = \frac{50!}{6!44!} = 15890700

Then...

p = \frac{D}{T} = \frac{535095}{15890700} = 0.0337

0.0337 = 3.37% probability that a sample contains exactly 2 defective parts.

8 0
3 years ago
Find the Gp of 30th of 3,9,
krek1111 [17]

Answer:

2.06×10^14

Step-by-step explanation:

nth term of G.p = ar^n-1

the first term, a = 3 common ratio, r = 2nd term/ 1st term, 3rd term/ 2nd term, etc.

r = 9/3 = 3

30th term = 3(3)^30-1 = 2.06×10^14

8 0
3 years ago
7 1/4 × 2²+(8 1/2-2)÷3<br>giving brainliest
lawyer [7]

Answer:

187/6

Step-by-step explanation:

Simplify the following:

(7 + 1/4) 2^2 + (8 + 1/2 - 2)/3

2^2 = 4:

(7 + 1/4) 4 + (8 + 1/2 - 2)/3

Put 7 + 1/4 over the common denominator 4. 7 + 1/4 = (4×7)/4 + 1/4:

(4×7)/4 + 1/4 4 + (8 + 1/2 - 2)/3

4×7 = 28:

(28/4 + 1/4) 4 + (8 + 1/2 - 2)/3

28/4 + 1/4 = (28 + 1)/4:

(28 + 1)/4×4 + (8 + 1/2 - 2)/3

28 + 1 = 29:

29/4×4 + (8 + 1/2 - 2)/3

29/4×4 = (29×4)/4:

(29×4)/4 + (8 + 1/2 - 2)/3

(29×4)/4 = 4/4×29 = 29:

29 + (8 + 1/2 - 2)/3

Put 8 + 1/2 - 2 over the common denominator 2. 8 + 1/2 - 2 = (2×8)/2 + 1/2 + (2 (-2))/2:

29 + ((2×8)/2 + 1/2 + (2 (-2))/2)/3

2×8 = 16:

29 + (16/2 + 1/2 + (2 (-2))/2)/3

2 (-2) = -4:

29 + (16/2 + 1/2 + (-4)/2)/3

16/2 + 1/2 - 4/2 = (16 + 1 - 4)/2:

29 + ((16 + 1 - 4)/2)/3

16 + 1 = 17:

29 + ((17 - 4)/2)/3

| 1 | 7

- | | 4

| 1 | 3:

29 + (13/2)/3

13/2×1/3 = 13/(2×3):

29 + 13/(2×3)

2×3 = 6:

29 + 13/6

Put 29 + 13/6 over the common denominator 6. 29 + 13/6 = (6×29)/6 + 13/6:

(6×29)/6 + 13/6

6×29 = 174:

174/6 + 13/6

174/6 + 13/6 = (174 + 13)/6:

(174 + 13)/6

| 1 | 7 | 4

+ | | 1 | 3

| 1 | 8 | 7:

Answer: 187/6

3 0
3 years ago
Read 2 more answers
Gregory can buy​ 4 pounds of wheat flour for​ $8 and 5 pounds of rye flour for​ $20. He has​ $12 to spend on a flour mixture. Wh
Setler79 [48]

Answer:

  • 2x + 4y = 12

Step-by-step explanation:

<u>Wheat flour</u>

  • 4 pounds for $8 ⇒ 1 pound for $8/4 = $2

<u>Rye flour</u>

  • 5 pounds for $20 ⇒ 1 pound for $20/5 = $4

<u>Equation for total:</u>

  • 2x + 4y = 12

3 0
4 years ago
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