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anygoal [31]
3 years ago
6

Suppose you just received a shipment of fifteen televisions. Four of the televisions are defective. If two televisions are rando

mly​ selected, compute the probability that both televisions work. What is the probability at least one of the two televisions does not​ work?
Mathematics
1 answer:
emmasim [6.3K]3 years ago
6 0

Answer:

27% chance a tv is defective. 13% chance one at least one doesn't work.

Step-by-step explanation:

100/15

4X6.67=26.67

*NOT 100% JUST TRYING TO HELP*

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How many solutions are there in the given equation?<br> y = 2x² + 6x + 4
tigry1 [53]

Step-by-step explanation:

Use the quadratic formula

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−

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x=\frac{-{\color{#e8710a}{b}} \pm \sqrt{{\color{#e8710a}{b}}^{2}-4{\color{#c92786}{a}}{\color{#129eaf}{c}}}}{2{\color{#c92786}{a}}}

x=2a−b±b2−4ac

Once in standard form, identify a, b and c from the original equation and plug them into the quadratic formula.

2

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6

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4

=

0

2x^{2}+6x+4=0

2x2+6x+4=0

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2

a={\color{#c92786}{2}}

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b={\color{#e8710a}{6}}

b=6

=

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c={\color{#129eaf}{4}}

c=4

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2

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4

⋅

2

⋅

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√

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x=\frac{-{\color{#e8710a}{6}} \pm \sqrt{{\color{#e8710a}{6}}^{2}-4 \cdot {\color{#c92786}{2}} \cdot {\color{#129eaf}{4}}}}{2 \cdot {\color{#c92786}{2}}}

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brainliest and follow and thanks

8 0
3 years ago
What is the volume of this rectangular prism 5/2 cm 4 cm 1/2
Naily [24]

Answer:

5cm ^{3}

Step-by-step explanation:

v = whl \\  =  \frac{5}{2} \times  \frac{4}{1}   \times  \frac{1}{2}  \\  =  \frac{20}{4}  \\  = 5 {cm}^{3}

7 0
3 years ago
Can Someone Please Help Me With These 2 Problems I Tried Looking Up Videos On How To Get It &amp; I'm Just Confused
Lynna [10]

I am attaching an image with the two solutions represented by the blue areas highlighted in your original graphs. Let me know if you have questions.

6 0
2 years ago
Does anyone know how to find the answer to this one
WITCHER [35]

Answer:

C. 8 to the -12 power

Step-by-step explanation:

when dividing numbers with an exponent, if they are the same # like 8 and 8, then you just subtract the exponents so 4 - 16 = -12

3 0
3 years ago
Read 2 more answers
You are given the
r-ruslan [8.4K]

Answer:

1.→n=15

2.→n=0

Step-by-step explanation:

The two expressions given are

⇒A number is said to be rational if it can be expressed in the form of , where ,q≠0.And it's decimal expansion will be either terminating or non terminating repeating.

We have to find smallest value of n, for which each of these two expressions will be rational.

So, 1.→n=15

and 2.→n=0

Have a nice day! -Alpha

Step-by-step explanation: ;)

8 0
3 years ago
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