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Step2247 [10]
3 years ago
14

3x5

Mathematics
2 answers:
Mamont248 [21]3 years ago
8 0

Answer:

15

Step-by-step explanation:

5+5+5

Alenkinab [10]3 years ago
5 0
The Answer Is 15,or is it a different problem???
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A contractor is required by a county planning department to submit one, two, three, four, five, or six forms (depending on the n
Ratling [72]

Answer:

a)

k = \dfrac{1}{21}

b) 0.476

c) 0.667    

Step-by-step explanation:

We are given the following in the question:

Y = the number of forms required of the next applicant.

Y: 1, 2, 3, 4, 5, 6

The probability is given by:

P(y) = ky

a) Property of discrete probability distribution:

\displaystyle\sum P(y_i) = 1\\\\\Rightarrow k(1+2+3+4+5+6) = 1\\\\\Rightarrow k(21) = 1\\\\\Rightarrow k = \dfrac{1}{21}

b) at most four forms are required

P(y \leq 4) = \displaystyle\sum^{y=4}_{y=1}P(y_i)\\\\P(y \leq 4) = \dfrac{1}{21}(1+2+3+4) = \dfrac{10}{21} = 0.476

c) probability that between two and five forms (inclusive) are required

P(2\leq y \leq 5) = \displaystyle\sum^{y=5}_{y=2}P(y_i)\\\\P(2\leq y \leq 5) = \dfrac{1}{21}(2+3+4+5) = \dfrac{14}{21} = 0.667

8 0
3 years ago
How do you solve You earn 15n 15n dollars for mowing n lawns. How much do you earn for mowing one lawn? Seven lawns?
Rudik [331]

Answer:

$15 for a lawn, $105 for seven lawns.

Step-by-step explanation:

The question is about the direct ratio problem. Logically, you will earn more if you mow more lawn.

The scheme for this ratio is given below:

15 n_________n lawns

   x_________ 1 lawn

x=\frac{15n*1}{n} = 15

You will earn 15 dollars for mowing a lawn


When you mow 7 lawns, the scheme will be in this manner:

15 n__________n lawns

    x__________7 lawns

x=\frac{15n*7}{n}=105

You will earn 105 dollars

8 0
3 years ago
A race is 1 2/3 miles long. If you just run half of the race, how long far have you run?
brilliants [131]
You would run 2.5/3 miles or .833 miles
7 0
3 years ago
−12(14−23)= <br><br><br> what is the answer to this
fredd [130]
108 is the answer I’m pretty sure
5 0
2 years ago
Read 2 more answers
PLEASE ANSWER! I NEED THE ANSWER IN THE NEXT HOUR! The table shows the number of teams remaining in each round of a tournament.
BaLLatris [955]

Answer:

No

Step-by-step explanation:

The equation would be 32 times (1/2)^x.

Linear equations won't have exponents, because this is an exponential equation.

5 0
2 years ago
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