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svp [43]
3 years ago
7

1/2x+1/3y=7 1/5x-2/3=21

Mathematics
1 answer:
Lisa [10]3 years ago
8 0
Yessssssssssssssssjsahahhaahahha
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ASAP PLZ HELP WILL MARK AS BRAINLSIT
gulaghasi [49]
Mark me brainlist first queen
3 0
3 years ago
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This is really confusing for me
VikaD [51]
In part A, if a's value is 1 then b is 2 and so on so the first letter of your name will have a number, and for part b you tale 3 letters that make up a word and the number after also equals 20.
4 0
3 years ago
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The owner of a toy store received a shipment of 1,552 party favors. The party favors came in 28 boxes. The same number of party
Svetradugi [14.3K]

let 


x = the number of party favors in each of the 27 boxes

y = the number of party favors in the last box


the total number of party favors is 1,552


27x + y = 1,552


since 1552 = 57*27 + 13


if we assume that y<x we conclude that there are 57 party favors in each of the 27 boxes and 13 party favors in the last box.



Thank you for posting your question here at brainly. I hope the answer will help you. Feel free to ask more questions.

8 0
3 years ago
The weight distribution of parcels sent in a certain manner is normal with mean value 15 lb and standard deviation 3.3 lb. The p
disa [49]

Answer: 23.7 lb

Step-by-step explanation:

Mean m = 15 lb

Standard deviation d = 3.3 lb

To determine the surcharge weight, we need to know the highest weight of 99% of the parcels.

P(z<x) = 0.99 = ¢(Z)

Z = 2.33

Since Z = (x - m)/d

x = dZ + m

x = 3.3*2.33 + 15

x = 22.689 lb approximately

x = 22.7 lb

Therefore, the highest weight for 99% if the parcels is 22.7 lb.

That is, the surcharge weight = 22.7 + 1 = 23.7 lb

3 0
3 years ago
What’s the value of x and what’s the angle?
Alinara [238K]

Answer:

X=9 Angle= 55

Step-by-step explanation:

The sum of all the angles of a triangle is always 180

so we add the angles

50 + 75 + (5x + 10)=180

125 +5x+ 10=180

135 +5x = 180

5x= 45

x=9

to find the angle we substitute x for 9

5(9)+10=55

6 0
3 years ago
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