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spayn [35]
2 years ago
5

WILL MARK BRANLIEST

Mathematics
2 answers:
alina1380 [7]2 years ago
8 0

Answer:

50j + 30

Step-by-step explanation:

5 ( 7j + 6 + 3j )

5 ( 10j + 6 )

5 (10j + 6)

50j + 30

Karo-lina-s [1.5K]2 years ago
3 0
The answer is 50j+30
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Kayla says that the point labeled C in the diagram below is the center, Raymond says that point C is the radius.
Eva8 [605]

Answer:

The answers D

Step-by-step explanation:

6 0
2 years ago
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Ervin sells vintage cars. Every three months, he manages to sell 13 cars. Assuming he sells cars at a constant rate, what is the
Vladimir [108]
Ervin sells 13 cars per 3 months so 13/3=4.3 cars per month. 

this means that 

___month___     ___cars sold___

          1                         4.3
          2                     2*4.3
          3                     3*4.3
          :                           :
          n                     n*4.3

the linear function representing the cars sold per month is f(n)=4.3*n

(Practically, this means that the expected number of cars sold after n months is a whole number close to 4.3*n.)

Answer:

the slope is 4.3 (13/3)

7 0
3 years ago
Audrey and her family are discussing how to pay for her college
Elan Coil [88]

Answer:

$137.50

Step-by-step explanation:

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4 0
2 years ago
Helpppppp please !!?
ch4aika [34]
Please refer to my image where it shows my work as I’m explaining.

Okay, for system 1:

1. I am using the elimination method to solve. So I check if all the terms are lined up and if any are the same. I found that 2X are common in both equations.

2. The goal is to “eliminate” the term hence the name. So I can choose to add or subtract. I chose subtraction because 2 - 2 equals 0 which is our goal. Solve for the rest of the terms. This will lead to getting y =4. Refer to image for the work.

3. Last step to to find the X value. We do this by picking any of the given equations,then substitute y with 4 and solve to eventually get x = 10. Refer to image for the work.

FOR SYSTEM 2:

1. Again, I am using the elimination method to solve. I noticed that NONE of the terms are in common so I will have to intervene. You can chose any term to create a match with but I chose Y since it was the one I could use the smallest number to multiply with. When multiplying, DONT just multiply Y, multiply ALL the terms in the equation or else everything will crash.

2. Now that I have terms in common I can choose to add or subtract. I chose subtraction because 2-2 equals zero which is what we want. Solve look at image for my process which lead to X = -8

3. Last step is to find the value of Y. Chose any of the given equations in system 2 then substitute x with -8. Refer to image to see process. It lead to y = 20


To check the validity of the answers, substitute the x and y values into both equations both side of the equal side should have the same number. Hope that helped!

6 0
3 years ago
Can someone help me in this algebra question please 100% correct
Artist 52 [7]
The answer is the 3rd choice. The beginning temperature is -9 so you add the 7 to the -9 degrees to find the temperature at noon because it increased.
7 0
3 years ago
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