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nlexa [21]
3 years ago
8

Somebody please help me

Mathematics
1 answer:
lara31 [8.8K]3 years ago
5 0
-6 ≥ 10 - 8x        Subtract 10 from both sides
-16 ≥ -8x             Divide by -8 to both sides
x ≥ 2       your answer is c
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A bike messenger earns $60 per day plus $12 per delivery. Today the messenger wants to earn at least $204.
kramer

Answer:

72

Step-by-step explanation:

First you do 204 - 60 = 144

Than you do 144 ÷ 2 = 72

Hope this helps!

7 0
3 years ago
Need help please with this question need the answer fast.
AlladinOne [14]

The answer is C, moderate negative association

3 0
3 years ago
The driving distance for the top 100 golfers on the PGA tour is between 284.7 and 310.6 yards (according to GolfWeek). Assume th
Usimov [2.4K]

Answer:

a) f(x) = \frac{1}{25.9}

b) 0.2046 = 20.46% probability the driving distance for one of these golfers is less than 290 yards

Step-by-step explanation:

Uniform probability distribution:

An uniform distribution has two bounds, a and b.

The probability of finding a value of at lower than x is:

P(X < x) = \frac{x - a}{b - a}

The probability of finding a value between c and d is:

P(c \leq X \leq d) = \frac{d - c}{b - a}

The probability of finding a value above x is:

P(X > x) = \frac{b - x}{b - a}

The probability density function of the uniform distribution is:

f(x) = \frac{1}{b-a}

The driving distance for the top 100 golfers on the PGA tour is between 284.7 and 310.6 yards.

This means that a = 284.7, b = 310.6.

a. Give a mathematical expression for the probability density function of driving distance.

f(x) = \frac{1}{b-a} = \frac{1}{310.6-284.7} = \frac{1}{25.9}

b. What is the probability the driving distance for one of these golfers is less than 290 yards?

P(X < 290) = \frac{290 - 284.7}{310.6-284.7} = 0.2046

0.2046 = 20.46% probability the driving distance for one of these golfers is less than 290 yards

3 0
2 years ago
In 1989 the population of Arizona was 3,622,184. In 1999 the population was 4,778,332. What is the percent of change from 1989 t
kodGreya [7K]
Answer- 31.9%

3,622,184 =100%
4,778,332= x
Criss cross
477,833,200= 3,622,184x
Divide to get x alone
X= 131.9
131.9 - 100= 31.9%
Because it asks for the change
6 0
3 years ago
Need help with b, picture attached.
Vikki [24]
7500/75=100
This means that a field of those dimensions would not be the required length of a minimum of 110 feet. 
7 0
3 years ago
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