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anastassius [24]
3 years ago
11

A repair person is scheduled to be at your apartment between 9:00am to 12:00pm but you have to leave at 11:30 to help out a frie

nd. If the repair person is equally likely to be at your apartment any time during the appointment time, what is the probability that you will be there?
Mathematics
2 answers:
sergiy2304 [10]3 years ago
7 0
<h3>Answer:</h3>

5/6

<h3>Explanation:</h3>

There are 6 half-hours between 9 and 12. You will be there for 5 of them. The probability you will be there is 5/6.

mixer [17]3 years ago
4 0

A repair person is scheduled to be at your apartment between 9:00am to 12:00pm but  you have to leave at 11:30 to help out a friend. If the repair person is equally likely to be  at your apartment any time during the appointment time, what is the probability that you  will be there?

83.3%

_______________________________________________

*100% CORRECT ANSWERS

Question 1  

What is the approximate Probability of drawing a RED FACE card from a standard deck  of shuffled cards.

11.5%

Question 2  

An opaque bag contains 5 green marbles, 3 blue marbles, and 2 red marbles. If a marble is drawn at random what are the ODDS of drawing a red marble?  

1:4

Question 3  

What is the probability of flipping a penny and a nickel and having them both land on  heads?

25%

Question 4

A solider is parachute training. He jumps out of a plane high enough that the pilot determines the solider will land somewhere in an 240 foot radius land zone. The pilow forgot to mention to the solider that the parachute has very little maneuverablity (no  steering). and there are 30 trees in the landing zone. Each tree from the air practically outlines a circle with a radius of 8 feet. What is the geometric probability that the solider  will land in a tree?

0.03333

Question 5  

A repair person is scheduled to be at your apartment between 9:00am to 12:00pm but  you have to leave at 11:30 to help out a friend. If the repair person is equally likely to be  at your apartment any time during the appointment time, what is the probability that you  will be there?

83.3%

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Please help!!! i'll give brainliest and offering 20 pts each!!!
Aleks04 [339]

Answer:

  • 5(x +1.5)^2
  • 10(x +1)^2
  • 1/4(x +2)^2
  • 3(x +5/6)^2

Step-by-step explanation:

When your desired form is expanded, it becomes ...

  a(x +b)^2 = a(x^2 +2bx +b^2) = ax^2 +2abx +ab^2

This tells you the overall factor (a) is the leading coefficient of the given trinomial. Factoring that out, you can find b as the root of the remaining constant.

a) 5x^2 +15x +11.25 = 5(x^2 +3x +2.25) = 5(x +1.5)^2

b) 10x^2 +20x +10 = 10(x^2 +2x +1) = 10(x +1)^2

c) 1/4x^2 +x +1 = 1/4(x^2 +4x +4) = 1/4(x +2)^2

d) 3x^2 +5x +25/12 = 3(x^2 +5/3x +25/36) = 3(x +5/6)^2

_____

<em>Additional comment</em>

If you know beforehand that the expressions can be factored this way, finding the two constants (a, b) is an almost trivial exercise. It gets trickier when you're trying to write a general expression in vertex form (this form with an added constant). For that, you must develop the value of b from the coefficient of the linear term inside parentheses.

8 0
2 years ago
Which value of x makes the inequality 2(8 – x) &lt; 4 true? A. x = –16 B. x = –9 C. x = 4 D. x = 10
myrzilka [38]

Answer:

10

Step-by-step explanation:

If we plug in any negative number as x, the result will always be greater than 4, which rules out answers A and B

lets try plugging in 4 as x to test answer C:

2(8-4)

2(4)= 8

8 is greater than 4, therefore C is wrong.

Lets try 10 as X (answer D):

2(8-10)

2(-2)

-4

We know that -4 is less than 4, therefore it makes the inequality true! :)

6 0
3 years ago
Read 2 more answers
Does anyone know how to solve this problem!?
Sunny_sXe [5.5K]

Answer:

D.

Step-by-step explanation:

329/8=41.125 you divide by 8 because its equivalent to 8 smaller units.

Then: 41.125 x 724=approx. 30,000

3 0
3 years ago
Help ur homie out pls
MrMuchimi

I'm still doing the rest but number 1 is D

5 0
3 years ago
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worty [1.4K]

Answer:

I think its k so try that but if it douse not worckd the try b

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