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kykrilka [37]
3 years ago
9

Justin recently drove to visit his parents who live 300 miles away. On his way there his average speed was 11 miles per hour fas

ter than on his way home (he ran into some bad weather). If Justin spent a total of 10 hours driving, find the two rates.
Mathematics
1 answer:
Lynna [10]3 years ago
5 0

Answer:

x=1

Step-by-step explanation:

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She could but 6 blue towels and 8 green ones.
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Question 9
yan [13]
Answer: —> (d).........
5 0
3 years ago
I do not understand theses... Please help!
oee [108]
Y = x + 1
y = 2x - 1

basically we r going to sub in one y for another
x + 1 = 2x - 1
1 + 1 = 2x - x
2 = x

now we sub 2 in for x in either of the original equations to find y
y = x + 1
y = 2 + 1
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so ur solution is (2,3)

5 0
3 years ago
Read 2 more answers
A sample of bacteria is growing at an hourly rate of 14% according to the exponential growth function. The sample began with 7 b
tatiyna

Answer:

125

Step-by-step explanation:

x(t) = x0 × (1 + r) t

where:

x(t) = the amount of some quantity at time t

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t = time

3 0
3 years ago
Complementary events must have a sum of 1.
Bas_tet [7]

This is a true statement.

Consider two events A and B. We say they are complementary if P(A)+P(B) = 1

This means that either event A or event B must happen, since the "1" represents 100% probability. Having a probability of 100% means absolute certainty.

---------

Example:

A = the event it rains

B = the event it does not rain

P(A) = 0.30 = 30% chance of rain

P(B) = 0.70 = 70% chance it does not rain

P(A)+P(B) = 0.30+0.70 = 1

So this shows the two events are complementary.

8 0
4 years ago
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