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kumpel [21]
3 years ago
6

I need help pweeeessss

Mathematics
1 answer:
yulyashka [42]3 years ago
5 0
4. x = 1/2 and y = 3

5. x = −5/7 and y = 16/7 

6. No solutions.

7. x = 7 and y = 4

8. ( You already got that one but just in case ) No solutions.

9. x = 3/2 and y = 3

10. x = 1/5 and y = 0

11. x = 3 and y = −8/5

12. x = −48 and y = −45

13. x = 92/15 and y = 29/15

14. x = −38/3 and y = 21 
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A scale drawing of a bathroom is shown:
lora16 [44]
Scale of drawing = 3.5 inches by 2 inches
Actual bathroom = (3.5 x 20) inches by (2 x 20) inches = 70 inches by 40 inches = 70/12 feet by 40/12 feet = 5.83 feet by 3.33 feet
Area of actual bathroom = 5.83 x 3.33 = 19ft^2
7 0
3 years ago
Which expression is equivalent to (84+16)
LuckyWell [14K]

Answer:

(85 + 15) is equivalent

Step-by-step explanation:

Not sure what you are asking 100%

6 0
3 years ago
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Joe receives an average of 780 emails in his personal account and 760 emails in his work account each month. After changing his
Semmy [17]

Answer:

702 emails

Step-by-step explanation:

<h2>This problem bothers on depreciation of value, in this context it is Joe's email that has depreciated by 10%.</h2>

Given data

Average personal emails received monthly = 780 emails

Average work emails received monthly= 760 emails

     

      We are required to solve for the new amount of emails Joe will be receiving after changing his address, to find this value we need to solve for the depreciation of his personal mails.

      After solving for the depreciation , we then need to subtract the depreciation from the initial number of mails to get the new number of mails.

let us solve for 10% depreciation.

depreciation= \frac{10}{100} *780\\depreciation=0.1*780= 78 emails

The new number of mails

= initial number of mail- depreciation\\ =780-78= 702 emails

Joe will be receiving an average of 702 emails in his personal account monthly

7 0
3 years ago
Rita and Tina each make $11 an hour working as cashiers at a supermarket. Last week, Rita worked r hours while Tina worked t hou
soldier1979 [14.2K]
The cost per hour is $11, at that point, the coefficient of the quantity of hours Rita and Tina had worked. With respect to Rita, she will get an additional $32 level wage for her extra hours. It wont be duplicated any further. Mathematically: 

Rita's Total Wages = 11r + 32

Tina's Total Wages = 11t
3 0
3 years ago
What is 2(3a+2b-7) equivalent too?
zloy xaker [14]

Answer:

6a+4b-14

Step-by-step explanation:

For this, we have to use the distributive property.

This means we multiply each value in the parentheses by 2.

2*3a=6a

2*2b=4b

2*(-7)=-14

So our equation is:

6a+4b-14

8 0
3 years ago
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