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harkovskaia [24]
3 years ago
7

Uh help please I don’t remember my teacher going over this. This is e-learning uh help somebody it’s number 3 btw

Mathematics
1 answer:
TEA [102]3 years ago
3 0

answer: idk man

Step-by-step explanation:

just call your teacher and ask her/him for help

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Is it true or false that the middle term of a perfect square trinomial is equal to 2 × √(first term) × √(last term)?
FinnZ [79.3K]
False, because it's equal to 2 × first term × last term
3 0
3 years ago
What is the area of the circle in terms of pi? 3.7 m is the diameter
Liono4ka [1.6K]
Area of a circle is :
\pi {r}^{2}
Where r is the radius.
To find r, you divide the diameter by 2
\frac{3.7}{2}  = 1.85
Then,
\pi {1.85}^{2}  \\  =  \frac{1369}{400} \pi \\ or \\  = 3.4225\pi

7 0
3 years ago
Read 2 more answers
Use the following problem to answer questions 8 and 9. A television manufacturer has three locations where it is finally assembl
Nonamiya [84]

Answer:

The probability of finding a non-defective television is 0.9815.

Step-by-step explanation:

We are given that a television manufacturer has three locations where it is finally assembled. Plants A, B, and C supply 65%, 15%, and 20% respectively of the televisions used by the manufacture.

Quality control has determined that 1.5% produced by Plant A are defective, while plants B and C have 2.5% defective products.

Let Probability that Plant A supply televisions = P(A) = 0.65

Probability that Plant B supply televisions = P(B) = 0.15

Probability that Plant C supply televisions = P(C) = 0.20

<em>Also, let D = event that television is defective</em>

Probability that television is defective given that it is supplied by Plant A = P(D/A) = 0.015

Probability that television is defective given that it is supplied by Plant B = P(D/B) = 0.025

Probability that television is defective given that it is supplied by Plant C = P(D/C) = 0.025

<u>Now, to find the probability of finding a non-defective television firstly we will find the probability of a defective television.</u>

<em>Probability of a defective television is given by;</em>

   =  P(A) \times P(D/A) + P(B) \times P(D/B) + P(C) \times P(D/C)  

   =  0.65 \times 0.015 + 0.15 \times 0.025 + 0.20 \times 0.025  

   =  0.00975 + 0.00375 + 0.005

   =  0.0185

Now, <em><u>probability of finding a non-defective television</u></em> = 1 - Pro<em>bability of a defective television</em>

Probability of finding a non-defective television = 1 - 0.0185

                                                                                   = 0.9815

<em>Therefore, the probability of finding a non-defective television is 98.15%.</em>

8 0
3 years ago
I need help someone ....
kvasek [131]

Answer:

162 ft^2

Step-by-step explanation:

18 * 18 = 324

324/2 = 162

The area of the patio is 162 square feet

7 0
3 years ago
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13. Attend to precision. Justify each step in the solution of 5x + 15 = 0 below by stating a property
tigry1 [53]

Answer:

55/7

Step-by-step explanation:

si:|fvdegregregregrerg4grgrfewgreggtrgr343g

8 0
3 years ago
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