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adoni [48]
3 years ago
13

A cougar jumped a distance of 13 yards. How many inches did this cougar jump?​

Mathematics
2 answers:
Salsk061 [2.6K]3 years ago
6 0

Answer:

468 in

Step-by-step explanation:

Step 1: Define conversions

3 feet = 1 yard

1 foot = 12 inches

Step 2: Use dimensional analysis

13 \hspace{3} yards(\frac{3 \hspace{3} feet}{1 \hspace{3} yard} )(\frac{12 \hspace{3} inches}{1 \hspace{3} feet} ) = 468 inches

Natalija [7]3 years ago
4 0

Answer:

it is 468 inches.

Step-by-step explanation:

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A student takes a true-false test that has 10 questions and guesses randomly at each answer. Let X be the number of questions an
Dvinal [7]

Answer:

P(Fewer than 3) = 0.05.

Step-by-step explanation:

We are given that a student takes a true-false test that has 10 questions and guesses randomly at each answer.

The above situation can be represented through Binomial distribution;

P(X=r) = \binom{n}{r}p^{r} (1-p)^{n-r} ; x = 0,1,2,3,.....

where, n = number of trials (samples) taken = 10 questions

            r = number of success = fewer than 3

           p = probability of success which in our question is probability

                that question is answered correctly, i.e; 50%

<u>LET X = Number of questions answered correctly</u>

So, it means X ~ Binom(n = 10, p = 0.50)

Now, Probability that Fewer than 3 questions are answered correctly is given by = P(X < 3)

P(X < 3)  = P(X = 0) + P(X = 1) + P(X = 2)

=  \binom{10}{0}\times 0.50^{0} \times (1-0.50)^{10-0}+ \binom{10}{1}\times 0.50^{1} \times (1-0.50)^{10-1}+ \binom{10}{2}\times 0.50^{2} \times (1-0.50)^{10-2}

=  1 \times 0.50^{10} + 10 \times 0.50^{10} +45 \times 0.50^{10}

=  0.05

Hence, the P(Fewer than 3) is 0.05.

4 0
3 years ago
A dump truck weighs 11.2511.25 tons when empty. A conveyor belt pours sand into the truck at a constant rate of \frac{1}{4}
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7 0
3 years ago
Read 2 more answers
What is the value of x?
Len [333]

Answer:

x=3

Step-by-step explanation:

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3 years ago
Why can a fraction, a decimal, or a percent be written in equivalent forms?
Inessa [10]

Answer:

Because there are many ways you can simplify an equation, and it will still be the same.

5 0
3 years ago
Kris has finished 7/8 of 40 questions. how many were done​
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7/8=0.875

0.875 x 40= 35

Therefore, Kris has finished 35 questions.

Hope this helps.

8 0
2 years ago
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