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2 years ago

Please help❤️❤️ It’s for 20 pts!!

Mathematics

1 answer:

solong [7]2 years ago

4 0

If you need part A, draw a person and label them 6 feet tall and a shadow coming off of him that is five feet long and draw a basketball hoop that and label it X feet tall and draw a shadow coming from it that is 8 feet long. To solve, you use proportions 6/5=X/8 solving this you get X=9.6 feet which is the height of the rim. Therefore, the rim does not meet regulation height, since the required height (10 feet) is greater than the actual height (9.6 feet).

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1. The probability of telesales representative making a sale on a customer call is 0.15.

Mumz [18]

Answer:

$n = 33$

$n = 19$

Step-by-step explanation:

From the question we are told that

The probability of telesales representative making a sale on a customer call is $p = 0.15$

The mean is $\mu = 5$

Generally the distribution of sales call made by a telesales representative 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 mean is mathematically represented as

$\mu = n* p$

=> $5= n * 0.15$

=> $n = 33$

Generally the least number of calls that need to be made by a representative for the probability of at least 1 sale to exceed 0.95 is mathematically represented as

$P( X \ge 1) = 1 - P( X < 1 ) > 0.95$

=> $P( X \ge 1) = 1 - P( X =0 ) > 0.95$

=> $P( X \ge 1) = 1 - [ ^{n}C_0 * (0.15 )^0 * (1- 0.15)^{n-0}] > 0.95$

=> $1 - [1 * 1* (0.85)^{n}] > 0.95$

=> $[(0.85)^{n}] > 0.05$

taking natural log of both sides

$n = \frac{ln(0.05)}{ln(0.85)}$

=> $n = 19$

3 0

2 years ago

Simplify 12y-(-4-8y)

Digiron [165]

Step-by-step explanation:

12y-(-4-8y)

= 12y +4 + 8y. ['-' getting multiplied when brackets open]

= 12y + 8y +4. [ Adding the like terms ]

= <u>20 y + 4 (Ans)</u>

4 0

2 years ago

Read 2 more answers

−4x+7y+5= 0x−3y=−5<br><br>How many solutions does the system have?

seraphim [82]

{-4x+7y+5=-5
{0x-3y=-5 Solve the equation.

{-4x+7y+5=-5
{y=5/3 Substitute the value of y.

-4x+7(5/3)+5=-5 Plug in and solve.

x=65/12 You should get this answer.

Therefore: (x,y) = (65/12,5/3)

6 0

3 years ago

I need help someone help me

Dennis_Churaev [7]

Answer: 42 pop tunes

Step-by-step explanation:

35/5=7

6*7=42

5 0

2 years ago

Read 2 more answers

Jane marko buys a car for 43,900.00.

ikadub [295]

22828.l of a period of 3 years.

4 0

2 years ago