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zimovet [89]
3 years ago
13

A certain type of battery has a .5% failure rate. Find the probability that a shipment of 1000 batteries has more than two defec

tive batteries.
Mathematics
1 answer:
Masteriza [31]3 years ago
7 0

Answer:

just google it or ask a parent

Step-by-step explanation:

You might be interested in
Is 65 and 66 numbers
svlad2 [7]

Answer: yes?

Step-by-step explanation:

6 0
2 years ago
Read 2 more answers
How do you find direct variation. I’m having trouble understanding some of these examples.
Rufina [12.5K]
Direct variation is a relation that has the form

y = kx

where k is the constant of proportionality.

If you are told that a relation is a direct proportion, and you are given one data point, you can find k. The you can write the equation of the direct relation.

Here is an example.
The price of gasoline follows a direct variation.
John bought 5 gallons of gas and paid $15.
a) Write an equation for the relation.
b) Using the relation you found, how much do 13.8 gallons cost?

Solution:
Since the relation is a direct variation, it follows the general equation of a direct variation:

y = kx

We are given one data point, 5 gallons cost $15.
We plug in  5 for x and 15 for y and we find k.

y = kx
15 = k * 5
k = 3

Now that we know that k = 3, we rewrite the relation using our value of k.

y = 3x

This is the answer to part a).

Part b)

We use our relation, y = 3x, and we plug in 13.8 into x and find y.

y = 3x

y = 3 * 13.8

y = 41.4

The price of 15 gallons of gas is $41.40.
5 0
2 years ago
I’ll mark you brainlist if you show the WORK thanks
nikklg [1K]

When two lines are parallel they have the same slope

slope of this line y=-5\4x is -5\4

Slope of the parallel line is also -5\4

4 0
3 years ago
-8 ( 3-s) = 32 what is s
____ [38]
-8(3 - s) = 32
So you expand the brackets
-24 + 8s = 32
And then solve
+ 24
8s = 56
÷ 8
s = 7
Hope this helps!
8 0
3 years ago
How do you do this?
zaharov [31]
4sin x=2sin x + √3
4sin x-2sinx=√3
2sin x=√3
sinx=√3/2

x=arcsin √3/2=π/3  + 2Kπ U  2π/3+2Kπ

Sol: π/3  + 2Kπ   U    2π/3+2Kπ ;       K∈Z

π/3+2Kπ=60º+360ºk    
2π/3+2Kπ=120º+360ºK


4 0
3 years ago
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