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Vladimir79 [104]
4 years ago
6

Please help its for summer and i forgot how to do it plz help me

Mathematics
1 answer:
inna [77]4 years ago
4 0
You divide 30 miles by 10 to get 3 miles, so you do the same for the bottom.
20 hours divided by 10 = 2 hours.

2 hours is the answer.
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1) What is the scale factor of dilation when the blue shape is a dilation of the black shape?
Anon25 [30]
B and A is the correct answers
4 0
4 years ago
Nine years ago, Kimo was twice as old as Jennifer was then. In four years, Jennifer will be the same age that Kimo is now? How o
Georgia [21]

Answer:Kimo is 17 years old and Jennifer is 13 years old.

Step-by-step explanation:

Let x represent Kimo's current age.

Let y represent Jennifer's current age.

Nine years ago, Kimo was twice as old as Jennifer was then. It means that

x - 9 = 2(y - 9)

x - 9 = 2y - 18

x = 2y - 18 + 9 = 2y - 9

In four years, Jennifer will be the same age that Kimo is now. It means that

x = y + 4 - - - - - - - - - 1

Substituting x = 2y - 9 into equation 1, it becomes

2y - 9 = y + 4

2y - y = 4 + 9

y = 13

x = 2y - 9 = 2 × 13 - 9

x = 17

8 0
3 years ago
The distribution of heights of young women aged 18 to 24 is approximately normal with a mean of 64.5 inches and a standard devia
Lena [83]
The 68 - 95 - 99.7 rule, gives the basis to solve this question.

It says that for a normal distribution 95% of the results are between the mean minus 2 standard deviations and the mean plus 2 standard deviations.

Here:
mean = 64.5 inches,
standard deviaton = 2.5 inches

mean - 2 standard deviations = 64.5 inches - 5 inches = 59.5 inches

mean +  2 standard deviations = 64.5 inches + 5 inches = 69.5 inches

Then, the answer is that 95% of women range approximately between 59.5 inches and 69.5 inches.

6 0
4 years ago
a company pays its employees a base salary of $1000 every other week plus $30 for each sale write the equation to how much a pay
ivann1987 [24]
Part 1: Equation is p=1000+30x
Part 2:
a) 1720=1000+30x
b)1720-1000=30x
c)720=30x
d)720/30=x
e)24 sales = x
4 0
3 years ago
the equation y=15x+500 represents the amaunt y that lin earns by working for x hours plus a performance bonus. what is lin hourl
sp2606 [1]
The hourly rate is the slope or $15 in this case. 
6 0
3 years ago
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