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Paladinen [302]
3 years ago
14

Broccoli costs 1 dollar and 50 cents per pound . How much money does 64 ounces of broccoli cost?

Mathematics
2 answers:
Alex Ar [27]3 years ago
6 0
Do you know how many ounces are in a pound? There are 16 in 1 pound. So then it will be 4 pounds. So you add 1 dollar and 50 cent up 4 times or multiply if easier 1 dollar and 50 cent times 4
yawa3891 [41]3 years ago
5 0
64 ounces= 4 pounds 
4x1.50=6

64 ounces of broccoli costs 6 dollars
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Một lô hàng chứa rất nhiều sản phẩm, trong đó tỷ lệ sản phẩm loại tốt là 70%. chọn ngẫu nhiên từ lô hàng ra 5 sản phẩm. gọi X là
den301095 [7]

trả lời : lâp bảng

X=0 thì xác suất lấy ra được sản phẩm tốt là 5*30%=1,5%

X =1 thì xác suất lấy ra được là 1* 70%*4*30%=0,84%

X=2 thì xác suất lấy ra được sản phẩm tốt là 2*70%*3*30%=1,26%

X=3 thì xác suất lấy ra được sản phẩm tốt là 3*70%*2*30%=1,26%

X=4 thì xác suất lấy ra được sản phẩm tốt là 4*70%*1*30%=0,84%

X=5 thì xác suất lấy ra được sản phẩm tốt là 5*70%=3,5%

X 0 1 2 3 4 5

P 1,5 0,84 1,26 1,26 0,84 3,5

b,

E(x)= 1,5*0+ 0,84*1+1,26*2+1,26*3+0,84*4+3,5*5=28

E(x^2)=1,5*0^2+0,84*1^2+1,26*2^2+1,26*3^2+0,84*4^2+3,5*5^2=118,16

===> V(x)= (E(x))^2-E(x^2)=28^2-118,16=665,84

8 0
3 years ago
Y MORE THAN 4 is -36 translate for me please into math symbols then solve problem (list steps)
Sphinxa [80]
y + 4 = -36

Subtract 4 both sides.

y = -40

Check solution. 

-40 + 4 = -36

This is correct.

You're welcome. 
Observe below please. 
4 0
2 years ago
Confusedddddddddddddddd
Elina [12.6K]
4x + 4 + 4x = 180 so solve for x and it’s 22
1. 4x + 4
92

2. 88
4 0
3 years ago
Select all ordered pairs that satisfy the function of y=2/3x+1.
kvv77 [185]

Answer:

A.

Step-by-step explanation:

Plugging in all the values into the equation, only A holds a true statement.

5 0
2 years ago
Read 2 more answers
Simplify the following expression.<br> 343 1/3<br> (Write your answer as an integer.)
aalyn [17]
343^1/3
=(7)^3*1/3 [ 3 and 3 are cancelled]
=7
4 0
3 years ago
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