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Anni [7]
3 years ago
14

Giải pt: 1 + 2sinxcosx = sinx + 2cosx

Mathematics
1 answer:
den301095 [7]3 years ago
8 0

Answer:

even i dont know can help

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Q1. Ten percent of the items produced by a machine are defective. A random sample of 100 items is selected and checked for defec
Tcecarenko [31]

Answer: 0.030

Step-by-step explanation:

Given: The percent of the items produced by a machine are defective  :P=10\%=0.10

The percent of the items produced by machine which are not defective:Q=1-0.1=0.9

Sample size : n = 100

Now, the standard error of the proportion is given by :-

\text{S.E.}=\sqrt{\dfrac{0.1\times0.9}{100}}\\\\\Rightarrow\text{S.E.}=0.030

Hence, the the standard error of the distribution of the sample proportions=0.030

7 0
3 years ago
Solve the system of linear equations by ellmination. 5x + 9y = -11 3x + 9y = -3 A. (-4,-1) -B. (-1, –4) C. (-4,1) D. (1,-4)​
valentina_108 [34]

Answer:

Step-by-step explanation:

5x + 9y = -11

3x + 9y  = -3

5x + 9y = -11

-3x - 9y = 3

2x = -8

x = -4

-12 + 9y = -3

9y = 9

y = 1

(-4, 1)

Answer is C

5 0
3 years ago
Solve for given variable​
Ilya [14]
X = 180 - 90 - 59 = 31
4 0
3 years ago
Alicia, Malik, Joey, and Hailey had some pencils. Alicia gave 18 pencils to Malik. She received 10 pencils from Joey and 23 penc
strojnjashka [21]

Answer:

61

Step-by-step explanation:

subtract the ones she got add the ones she gave away

6 0
3 years ago
Read 2 more answers
THIS IS FOR 18 POINTS!!!
aniked [119]
The equation is
(X + 3) + (x + 3 ✖️3)=44
Ethan had 12 baseballs.
Steps:
1. You do 44 dived by 3 which is 14.66 repeating
2. You subtract 3
2. You get 11.66 repeating
3. You round up to 12
8 0
3 years ago
Read 2 more answers
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