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3 years ago

1 pts

Mathematics

1 answer:

umka2103 [35]3 years ago

3 0

13 meters is around 512 in
to get that you do 13x39.37

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What is the area of the triangle below (in square units)?<br> 24in<br> 2 in

UNO [17]

Answer:

24 in

Step-by-step explanation:

Area of triangle = bh/2

= (2 * 24)/2

= 24 in

8 0

3 years ago

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A manufacturer of televisions subjects the equipment to a comprehensive testing process for all essential functions before the t

Vikki [24]

Answer:

The value is $P(X \ge 9) = 0.9138$

Step-by-step explanation:

From the question we are told that

The probability of passing the test is $p = 0.95$

The sample size is n = 10

Generally the distribution of the comprehensive testing of equipment follows a binomial distribution

i.e

$X \~ \ \ \ B(n , p)$

and the probability distribution function for binomial distribution is

$P(X = x) = ^{n}C_x * p^x * (1- p)^{n-x}$

Here C stands for combination hence we are going to be making use of the combination function in our calculators

Generally the probability that at least 9 pass the test is mathematically represented as

$P(X \ge 9) = P(X = 9 ) + P(X = 10 )$

=> $P(X \ge 9) = [^{10}C_9 * (0.95)^9 * (1- 0.95)^{10-9}] + [^{10}C_{10} * (0.95)^{10} * (1- 0.95)^{10-10}]$

=> $P(X \ge 9) = [0.3151] + [0.5987]$

=> $P(X \ge 9) = 0.9138$

7 0

3 years ago

Find each percent decrease. round to the nearest percent. from $16 to $4

White raven [17]

Answer:

I think the answer would be 40%

Step-by-step explanation:

U would do 16 divided by 4 and get 4 and a 0 then bam I have ur answe.

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2 years ago

Please help is this a solution or inequality 5-x<8;x=-3

omeli [17]

Answer:

Its a inequality

Step-by-step explanation:

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2 years ago

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Ashley has $9.05 in dimes and nickels. If she has a total of 108 coins, how many of each type does she have?

klemol [59]

Answer:

$73\:\mathrm{dimes},\\35\:\mathrm{nickels}$

Step-by-step explanation:

We can write the following system of equations:

$\begin{cases}10d+5n=905,\\d+n=108,\\\end{cases}$ , where $d$ is the number of dimes she has and $n$ is the number of nickels she has.

Multiply the second equation by $-5$ and add both equations to solve for $d$ :

$\begin{cases}10d+5n=905,\\-5d-5n=-540,\\\end{cases}\\5d=365,\\d=\fbox{$73$}$ .

Plug $d=73$ into any equation to solve for $n$ :

$73+n=108, \\n=\fbox{$35$}$

6 0

2 years ago