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Fofino [41]
3 years ago
8

Simplify: -12h^2 -4 + 9 -3h^2 Show all steps/work please! ^ = to the power of...

Mathematics
1 answer:
Kryger [21]3 years ago
3 0

Answer:

-12h^2-4+9-3h^2  

Final result :

 -5 • (3h^2 - 1)

Hope This Helps!      Have A Nice Day!!

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In a production process, the probability of manufacturing a defective rear view mirror for a car is 0.075. Assume that the quali
Leviafan [203]

Answer:

The probability that the 3rd defective mirror is the 10th mirror examined = 0.0088

Step-by-step explanation:

Given that:

Probability of manufacturing a defective mirror = 0.075

To find the probability that the 3rd defective mirror is the 10th mirror examined:

Let X be the random variable that follows a negative Binomial expression.

Then;

X \sim  -ve  \ Bin (k = 3 , p = 0.075)\\ \\ P(X=x)= \bigg (^{x-1}_{k-1}\bigg)\times P^k\times (1-P)^{x-k}

= \bigg (^{10-1}_{3-1}\bigg)\times 0.075^3\times (1-0.075)^{10-3}

= \bigg (^9_2\bigg)\times 0.075^3\times (1-0.075)^{7}

= \dfrac{9!}{2!(9-2)!}\times 0.075^3\times (0.925)^{7}

= \dfrac{9*8*7!}{2!(7)!}\times 0.075^3\times (0.925)^{7}

= 0.0087999

≅ 0.0088

5 0
2 years ago
What is the number of possible outcomes if three quarters are tossed and the total numbers of heads and tails are counted? A) 2
Gre4nikov [31]

Answer:

D). 8.

Step-by-step explanation:

Each quarter will come up heads or tails  - that is 2 possibilities.

So for  3 tosses the number of outcomes is 2*2*2 = 8.

3 0
3 years ago
Read 2 more answers
Help!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
lidiya [134]
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3 years ago
What is 2 3/8 in a improper fraction?
FromTheMoon [43]

Answer:

See below a shorter way to convert 2 3 8 to an improper fraction. Step 1: Multiply the whole number part (2) by the denominator (8). Step 2: Add the product from Step 1 (16) to the numerator (3). Step 3: Write that result (19) above the denominator.

Step-by-step explanation:

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2 years ago
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Write the number in 2 equivalent forms as a fraction, decimal, or percent.<br> 11<br> 16
pashok25 [27]
11.
Fraction - 11/100
Decimal - 0.11
Percent - 11%
16.
Fraction - 16/100
Decimal - 0.16
Percent - 16%
3 0
2 years ago
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