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Svet_ta [14]
3 years ago
10

in a shipment of 50 calculators, 4 are defective. one calculator is randomly selected and tested. what is the probability that i

t is defective
Mathematics
1 answer:
Serga [27]3 years ago
3 0
Calculate a simple probability p=x/n, here x is the defective,so the answer is 4/50
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3/2x-5=7<br><br> Yo can someone explain this?
Contact [7]

Answer:

x = 8

Step-by-step explanation:

  1. Write it out: \frac{3}{2}x - 5 = 7  
  2. Add 5 to each side, so it now looks like this: 3/2x = 12
  3. Divide each side by 3/2 to cancel out the 3/2 next to x. It should now look like this: x = 8

I hope this helps!

4 0
3 years ago
What is the theorem that states a perpendicular line to the hypotenuse splits the triangle into two similar right triangles?
iogann1982 [59]

Answer:Pythagoras

Step-by-step explanation:

5 0
3 years ago
I will love uu forever if uu answer dis for me
Natalka [10]
#14 is 4
#15 is 11 and
#16 is adding 3
4 0
3 years ago
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Solve the problem and then click on the correct graph.<br><br> |x| + y ≥ 0
Darina [25.2K]
Given that <span>|x| + y ≥ 0, this means that y ≥ -|x|

Because |x| is always positive, then -|x| will always be negative.

The correct graph is the second graph.
</span>
3 0
4 years ago
Read 2 more answers
Please help me out!!!!!!! 54 points!
statuscvo [17]

Answer:

1. (x+5)(x-1)

6. (3x+4)(x-6)

9. (x+5)(x-5)

Step-by-step explanation:

To factor an equation, break the polynomial into two binomials which multiply to make it. There are three main ways to factor:

Regular: Find two numbers that multiply to C and add to B from ax^2 + bx + c.

x^2+4x-5 = (x+5)(x-1)

Grouping: Find two numbers that multiply to A*C and add to B. Then split B into the two factors and factor by GCF.

3x^2-14x-24\\3x^2 - 18x + 4x - 24\\(3x^2-18x)+(4x-24)\\3x(x-6)+4(x-6)\\(3x+4)(x-6)

Difference of Squares: Factor by taking the square root of each term. a^2-b^2 = (a-b)(a+b)

x^2 - 25 = (x+5)(x-5)

4 0
3 years ago
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