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Zigmanuir [339]
3 years ago
12

A) A box contains 50 diodes of which 10 are known to be bad. A diode is selected at random. What...

Mathematics
1 answer:
lubasha [3.4K]3 years ago
4 0
A) is not likely that it's bad B)it would be more likely C)more probable
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Please help!!!!!!!!!!
Delicious77 [7]

f(x)=2x^2-4x+1

Substitute the values of x to the equation of the function f:

x=-1\to f(-1)=2(-1)^2-4(-1)+1=2(1)+4+1=7\\\\x=2\to f(2)=2(2^2)-4(2)+1=2(4)-8+1=1

Therefore we have two points (-1, 7) and (2, 1).

We can calculate the slope of line l.

The formula of a slope:

m=\dfrac{y_2-y_1}{x_2-x_1}

Substitute:

m=\dfrac{1-7}{2-(-1)}=\dfrac{-6}{3}=-2

<h3>Answer: A) -2.</h3>
5 0
3 years ago
Which number is prime? 21 22 23 24
Artemon [7]

Answer:

23 is the prime number

How?

▶

<u>21 is divisible by 3</u>

<u>21 is divisible by 322 is divisible by 2</u>

<u>21 is divisible by 322 is divisible by 223 is not divisible by any no. </u>

<u>21 is divisible by 322 is divisible by 223 is not divisible by any no. 24 is divisible by 2 </u>

5 0
3 years ago
Read 2 more answers
Write (x+7)(x−2) as a sum
Dennis_Churaev [7]

Answer:

x^2+5x-14

Step-by-step explanation:

you multiply both equations so that you get:

x^2-2x+7x-14

and then you simplify it to:

x^2+5x-14

<em><u>If you found this helpful please give it a thanks </u></em>

<em><u>I would also appreciate it if you give me a brainliest</u></em>

8 0
2 years ago
Can someone pls help me!!! NO LINKS... I will mark brainiest to.
Vadim26 [7]

Answer:

c it the answer

Step-by-step explanation:

7 0
3 years ago
Read 2 more answers
What is the answer to so love the equation of 5(x+1)= -10
Bas_tet [7]

Answer:

.4

Step-by-step explanation:

4 0
3 years ago
Read 2 more answers
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