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IrinaK [193]
3 years ago
8

rectangle has perimeter 86 cm and its length is 1 cm more than twice its width. What would the length and width be

Mathematics
1 answer:
disa [49]3 years ago
7 0
Sjhsbabshxbwjhxhxjwb
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Your test scores in reading class or 68, 85, 88, blank and 100%. What is the missing test score if you're mean average is an 84%
allsm [11]
The missing score is a 79%.
Treat this equation like an average, and solve for x.
7 0
3 years ago
A lot of 200 chips contain 5 that are defective. 8 are selected random with out replacement.
vaieri [72.5K]

<u>Answer:</u>

1 , \frac{1}{66}  (Answer)

<u>Step-by-step explanation:</u>

Since, 8 chips are selected at random and 5 are there defectives in the lot, So, at least (8 - 5) = 3 chosen chips will be non - defective.

So, P ( At least two of selected part is non defective ) = 1 .

P(first and second samples are defective)

= \frac{5 \times 4}{200 \times 199}

P ( first, second and third samples are defective)

= \frac{5 \times 4 \times 3}{200 \times 199 \times 198}

So,

\frac{{\textrm{Third sample is defective | first and second samples are defectives}}}

=\frac{{\textrm{  P ( first, second and third samples are defective)}}}{{\textrm{  P(first and second samples are defective) }}}

= \frac{3}{198}

= \frac{1}{66}  (Answer)                                                          

7 0
4 years ago
Pls answer question. Show working
Nostrana [21]

Answer:

-2x + 5

Step-by-step explanation:

y-5= -2(x-0)

y= -2x + 5

4 0
2 years ago
Read 2 more answers
the function f(x)=4 (2)^x represents the number of people who share a cat video x hours after it first appears on a wedsite. how
Gennadij [26K]

Answer:

\boxed{\text{It doubles}}

Step-by-step explanation:

f(x)=4(2)^{x}

Let's create a table of the values.

\begin{array}{lr}\mathbf{x} & \mathbf{f(x)} \\0 & 4 \\1 & 8 \\2 & 16 \\3 & 32 \\4 & 64 \\5 & 128 \\\end{array}\\\text{The number of people sharing the video $\boxed{\textbf{doubles}}$ every hour}

4 0
3 years ago
What is the simplest form of this expression?<br> 2y^2(-6y + 3) + 4y^3
tatuchka [14]

Answer:

- 8 {y}^{3}  + 6 {y}^{2}

Step-by-step explanation:

2y^2(-6y + 3) + 4y^3 \\  \\  =  - 12 {y}^{3}  + 6 {y}^{2}  + 4 {y}^{3}  \\  \\ = 4 {y}^{3}  - 12 {y}^{3}  + 6 {y}^{2}  \\  \\  =  - 8 {y}^{3}  + 6 {y}^{2}

3 0
3 years ago
Read 2 more answers
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