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Angelina_Jolie [31]
3 years ago
12

Carl and Laura are reading different copies of the same book. Carl has already read 10 pages of his copy of the book when Laura

begins reading her copy of the book. A system of equations can be used to compare the number of pages (y) each person has read x minutes after Laura begins reading her copy of the book. The solution to the system of equations is (40, 50). What does the solution (40, 50) represent in this situation?
a.)Carl and Laura have both read 50 pages after Laura has been reading for 40 minutes.
b.)Carl has read 50 pages and Laura has read 40 pages.
c.)Carl has read 40 pages and Laura has read 50 pages.
d.)Carl and Laura have both read 40 pages after Laura has been reading for 50 minutes.
Mathematics
1 answer:
Alenkinab [10]3 years ago
7 0

Answer:

Step-by-step explanation:

(40, 50) means that Carl read 40 more pages of the book and Laura read 50 at the time when the two reach the same point in the book.

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For an outdoor concert by the city​ orchestra, concert organizers estimate that 19 comma 000 people will attend if it is not rai
Amiraneli [1.4K]

Answer:

14,800 people are expected to attend the concert

Step-by-step explanation:

In this question, we are tasked with calculating the expected number of people that will attend a concert on a particular day.

The key to answering this question is to multiply the individual probabilities of the two events by the expected number of people

Mathematically, what we obtain is the following;

The expected number of people at the concert = (probability of raining × expected number of people when it rains) + (probability of not raining × Expected number of people when it does not rain)

From the question, we identify that;

Probability of raining = 30% = 30/100 = 0.3

Probability of not raining = 1-probability of raining = 1-0.3 = 0.7

Expected number of people when it rains = 5,000

Expected number of people when there is no rain = 19,000

we plus these vales into the equation we have;

The expected number of people at the concert =( 0.3 × 5,000) + (0.7 × 19,000) = 1,500 + 13,300 = 14,800 people

6 0
3 years ago
the distant around a track is 1/4 mile. a marathon is 26 1/5 miles. How many laps does it take to run a marathon​
sleet_krkn [62]

Answer:

108 1/8

Step-by-step explanation:

1/4=0.25, 1/5=0.2

=>26+0.2=26.2

=>26.2/0.25=108.8

8 0
3 years ago
Pls help i only have 10 minutes on my math test!!<br> the ratios are<br><br><br> 8:5 ?????:10
dlinn [17]

Answer:

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Step-by-step explanation:

5 0
3 years ago
Read 2 more answers
What is the area of the figure?
den301095 [7]
The area of the shape given is 188 mm².
3 0
3 years ago
Please help, I don't understand part a or b.
Serggg [28]
Part A
25-9=16
16/2=8
The length of the rope holding the top right corner of the banner to the post is 8 feet long

Part B
13-9-2= 2 for width
25-8=16 16/2=8 for length 
Use the Pythagorean Theorem 
a^{2}+b^{2}=c^{2}
8^{2}+ 2^{2}= c^{2}
64+4=c^{2}
68=c^{2}
\sqrt{68}=  \sqrt{c}
34=c
The length of the rope from the bottom right corner of the banner to the post is 34 feet
5 0
3 years ago
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