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Helen [10]
3 years ago
13

(7 x 18 + 45) : 3 x 2 what is it please?​

Mathematics
1 answer:
11Alexandr11 [23.1K]3 years ago
7 0

The Answer Is 171 : 6

Hope This Help's

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Help please!!!!!!!!!!!!!!!!!!! very important
qaws [65]

Answer:

i got B for my answer

4 0
3 years ago
A light bulb factory produces 922 light bulbs every hour. Approximately 3.34% of the light bulbs are defective, and do not work.
Nikitich [7]

Answer:

The value is  \sigma = 5.46  

Step-by-step explanation:

From the question we are told that

  The number of light produced in an hour is  n  =  922

  The proportion of the bulb that are defective is  p =  0.0334

  Generally given from the question that we should use binomial distribution it then means that the standard deviation is mathematically evaluated as  

           \sigma = \sqrt{ n  *  p  (1-p)}

=>         \sigma = \sqrt{ 922  *  0.0334 *  (1-0.0334)}

=>         \sigma = 5.46  

8 0
3 years ago
If b = 3, then 3x + y = 1 and bx - y = 3 are parallel.<br> True or <br> False ...?
Ulleksa [173]
I am absolutely sure that the task <span> b = 3, then 3x + y = 1 and bx - y = 3 is NOT parallel, which means that the statement represented above is FALSE.
To make sure you can check it using : </span>y=-3x+1&#10;&#10;y=3x-3 Hope now it's obvious. Regards!
4 0
4 years ago
In math class, you have the following scores: 77, 82, and 73. If the
ziro4ka [17]

Answer: 88

Step-by-step explanation: 77+82+73= 232. So you need an 80 for average. So what you have to do is 80x4 and that equals to 320. last step is to subtract 320-232 and you get 88. 77+82+73+88=320.

6 0
3 years ago
Read 2 more answers
How many inches are there in 3 feet 4 inches
ELEN [110]
<h3>- - - - - - - - - - - - - - - ~Hello There!~ - - - - - - - - - - - - - - - </h3>

➷ There are 12 inches per feet

(12 x 3) + 4 = 40

It is 40 inches

➶ Hope This Helps You!

➶ Good Luck (:

➶ Have A Great Day ^-^

↬ ʜᴀɴɴᴀʜ ♡

6 0
3 years ago
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