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cupoosta [38]
3 years ago
9

\frac{4x - 1}{2} = x + 7 \\ " alt=" \frac{4x - 1}{2} = x + 7 \\ " align="absmiddle" class="latex-formula">
​

Mathematics
1 answer:
AlekseyPX3 years ago
8 0

Answer:

x=\frac{15}{2}=7.5

Step-by-step explanation:

See image.

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Matilda and Lorraine work in the mail room of a large company sorting letters. Matilda has already sorted 50 letters and continu
labwork [276]
1) Number of letters Matilda has sorted after x hours: m(x)Matilda has already sorted 50 letters and continues sorting at a rate of 50 letters per hour:m(x)=50+50xwhere:Number of hours: x
Number of letters Lorraine has sorted after x hours: l(x)Lorraine has already sorted 80 letters and continues sorting at a rate of 40 letters per hour:l(x)=80+40xwhere:Number of hours: x
Which function can Matilda and Lorraine use to determine the total number of letters they have sorted after x hours?Total number of letters they have sorted after x hours: f(x)
f(x)=m(x)+l(x)f(x)=(50+50x)+(80+40x)f(x)=50+50x+80+40xf(x)=90x+130
Answer: The function Matilda and Lorraine can use to determine the total number of letters they have sorted after x hours is f(x)=90x+130
2) How many letters will they have sorted after 6 hours?
x=6→f(6)=?f(6)=90(6)+130f(6)=540+130f(6)=670
Answer: They will have sorted 670 letters after 6 hours
Answer: First option: The function that describes the total number of letters sorted by Matilda and Lorraine in x hours is given by f(x) = 90x + 130. Thus, they will have sorted 670 letters in 6 hours.

4 0
3 years ago
Please help me do this problem.
Aleksandr-060686 [28]

Sorry...

Dmdidndjdkdbxidkjddkdnhd

4,10,44 and 19 :)

6 0
2 years ago
The diameter of a circle is 10 ft. Find its area in terms of pi
Alexxandr [17]
A = pi(r) ^2
A = 3.14(5) ^2
A = 15.7 ^2
A = 246.49
Hope this helps.
5 0
3 years ago
Richard is planning a trip to Italy. He Thinks he will need $2,750 for the trip. If the trip is 40 weeks away, which is the best
Leto [7]
Hey there
That's easy
Divide 2750 by 40 and a good estimate would be 68 dollars
Hope this helps
7 0
2 years ago
Read 2 more answers
63 plus what gives you 83
iVinArrow [24]
83-63=20
So your answer is 20
5 0
3 years ago
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