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Schach [20]
2 years ago
6

Chọn ngẫu nhiên 15 sản phẩm từ 1 lô hàng có tỉ lệ sản phẩm loại 1 là 10%. Tìm xác suất để trong 15 sản phẩm chọn được có:

Mathematics
1 answer:
lara31 [8.8K]2 years ago
5 0

Answer:

...................................

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Can someone answer this for me please
Nana76 [90]

Answer:

32

Step-by-step explanation:

6 0
2 years ago
<img src="https://tex.z-dn.net/?f=%202%5Cfrac%7B3%7D%7B4%7D%20%20-%20%20%5Cfrac%7B2%7D%7B3%7D%20" id="TexFormula1" title=" 2\fra
docker41 [41]

let's firstly, convert the mixed fraction to improper fraction, and then subtract.


\bf \stackrel{mixed}{2\frac{3}{4}}\implies \cfrac{2\cdot 4+3}{4}\implies \stackrel{improper}{\cfrac{11}{4}}&#10;\\\\[-0.35em]&#10;\rule{34em}{0.25pt}\\\\&#10;\cfrac{11}{4}-\cfrac{2}{3}\implies \stackrel{\textit{our LCD will be 12}}{\cfrac{(3)11-(4)2}{12}}\implies \cfrac{33-8}{12}\implies \cfrac{25}{12}\implies 2\frac{1}{12}

8 0
3 years ago
Solve for x.
irakobra [83]

Answer:

Smaller x = 1/5

Larger x = 4

Step-by-step explanation:

Firstly,

(x-4) = 0

x-4 = 0

x = 4

Secondly,

-5x +1 = 0

-5x = -1

x= 1/5

Hope it helps!

4 0
3 years ago
A rectangular painting canvas has the dimensions of 22 by 23 inches. Find the area, in square inches, of the painting. Use the f
fiasKO [112]

Answer:

506 square inches

Step-by-step explanation:

length=22 inches

breadth=23 inches

area=length *breadth

area=22*23=506 squareinches

4 0
3 years ago
Read 2 more answers
What is x/13-5=25/26
Juliette [100K]

\frac{x}{13} -5=\frac{25}{26}    Add 5 on both sides

\frac{x}{13}=\frac{25}{26}+5    Make the denominators the same

\frac{x}{13}=\frac{25}{26}+\frac{130}{26}

\frac{x}{13}=\frac{155}{26}    Multiply 13 on both sides

(13)\frac{x}{13}=(13)\frac{155}{26}

x=\frac{2015}{26}

x=\frac{155}{2}  

4 0
3 years ago
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