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Natasha_Volkova [10]
3 years ago
9

Solve this equation: 80= 3y + 2y +4 +1

Mathematics
1 answer:
spin [16.1K]3 years ago
8 0
<span>80= 3y + 2y +4 +1
80 = 5y + 5
5y = 80 - 5
5y = 75
y = 75/5
y = 15</span>
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15 less than a number y
worty [1.4K]

Answer: it would be: y - 15

as an expression

5 0
2 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
10+2r=8 need the answer now
natulia [17]

Simplifying

10 = 2r + -8

Reorder the terms:

10 = -8 + 2r

Solving

10 = -8 + 2r

Solving for variable 'r'.

Move all terms containing r to the left, all other terms to the right.

Add '-2r' to each side of the equation.

10 + -2r = -8 + 2r + -2r

Combine like terms: 2r + -2r = 0

10 + -2r = -8 + 0

10 + -2r = -8

Add '-10' to each side of the equation.

10 + -10 + -2r = -8 + -10

Combine like terms: 10 + -10 = 0

0 + -2r = -8 + -10

-2r = -8 + -10

Combine like terms: -8 + -10 = -18

-2r = -18

Divide each side by '-2'.

r = 9

Simplifying

r = 9

3 0
3 years ago
Read 2 more answers
Will some one please help me :)
Jobisdone [24]
Ummm let’s see.. yah I have no clue sorry buddy your just gonna have to get this one wrong
7 0
2 years ago
Beth’s music playlist contains songs she bought and songs her mother bought. The ratio of her songs to her mother’s songs is 3:2
denpristay [2]

Answer:

IDK

nvm its writ 5 in beths colum

sorry for my spelling

Step-by-step explanation:

i got it right on apex

3 0
3 years ago
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