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3 years ago

Find X Round to the nearest tenth

Mathematics

1 answer:

WARRIOR [948]3 years ago

8 0

Answer:

x=437.3 ft

Step-by-step explanation:

cos(29)=B/H, cos(29)=x/500. x=437.3 ft

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You and your friend decide to get your cars inspected. You are informed that 71% of cars pass inspection. If the event of your

Ostrovityanka [42]

Answer:

a) 0.71

b) 0.29

c) 0.50

d) 0.91

Step-by-step explanation:

To get the probability that your car pass inspection we use the given information, if we are informed that 71% of cars pass inspection, that means that from 100 cars , 71 pass the inspection.

P=# of possibilities that meet the condition / #of equally likely possibilities.

a) So, the probability that your car passes inspection is

P(passing) =71/100=0.71

b) We have two options, passing or not passing the inspection and the Complement Rule states that the sum of the probabilities of an event and its complement must equal 1.

So, the probability of not passing is

P(not passing)= 1- P(passing)

P(not passing)= 1- 0.71=0.29

c) When we need to know the probability of 2 event happening at the same time, we multiply both probabilities.

The probability that both of the cars pass= the probability of passing our car* the probability of passing the car of your friend

P(both passing) =0.71*0.71=0.50

d) The probability that at least one of the two cars passes is

P=1 - (P(not passing))^2=0.91

3 0

4 years ago

Write the equation of the line that passes through the points (-2, -8) and (8,-8).

shepuryov [24]

Answer:

slope is 0

y-(-8)=0(x-(-2))

y+8=0(x+2) no solution

Step-by-step explanation:

$\frac{-8-(-8)}{8-(-2)} =0/10$

5 0

3 years ago

Need help please thank you

Makovka662 [10]

Answer:

y=4x+1

Step-by-step explanation:

the rate of change is 4/1 which simplifies to 4.

then the y intercept is 1, because if y grows by 4, then it also shrinks by 4. when x is at 0, y is at 1

4 0

3 years ago

Read 2 more answers

Oceanside Bike Rental Shop charges 12 dollars plus 6 dollars an hour for renting a bike. Write an expression for the cost of ren

Katen [24]

Answer:

$y = 12 + 6x$

Step-by-step explanation:

Given

$Base\ Amount = 12$

$Additional = 6$ per hour

Required

Determine the expression for the cost in x hours

Represent the cost with y

y is calculated using the following expression

$y = Base\ Amount + Additional * x$

Where x represent the number of hours.

Substitute values for the base amount of bike and the additional cost per hour

$y = 12 + 6 * x$

$y = 12 + 6x$

So, the expression to determine the cost of bike in x hours is: $y = 12 + 6x$

6 0

3 years ago

Wee-Mobile is offering a cell phone family plan for its users. The breakdown of the cost of the plan per month is given below.

Stells [14]

The total cost for a 6-month plan for n lines is represented by the equation:

Cost = 660n + 100

This equation is in the slope intercept form. The coefficient of n represents the slope here.

In the given scenario the slope can be interpreted as the total variable cost for one line for a period of 6 months.

The variable costs are associated with a line are:

1) Unlimited data cost ($40 per month). So for 6 months this cost will be $240

2) Unlimited Call cost ($10 per month). So for 6 months this cost will be $60

3) Unlimited Text Message Cost ($10 per month). For 6 months this cost will be $60.

4) Cost of Phone ($300 per line)

Adding these costs up we get: 240 + 60 + 60 + 300 = $660

Thus, 660 represents the total cost per line for unlimited data, calls, text message and one phone for 6 months. Therefore, option A gives the correct answer.

8 0

3 years ago