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Nana76 [90]
3 years ago
5

Is y+3=x+6 a direct variation

Mathematics
1 answer:
gizmo_the_mogwai [7]3 years ago
7 0
Nevermind did not mean to answer going t type
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What is an equvilent fraction for 7x plus 4x plus 3 minus 1
vredina [299]
6x plus 3x plus 4 minus 2
6 0
3 years ago
Help please with algebra problem
Strike441 [17]
Number of weekend minutes used: x
Number of weekday minutes used: y

This month Nick was billed for 643 minutes:
(1) x+y=643

The charge for these minutes was $35.44
Telephone company charges $0.04 per minute for weekend calls (x)
and $0.08 per minute for calls made on weekdays (y)
(2) 0.04x+0.08y=35.44

We have a system of 2 equations and 2 unkowns:
(1) x+y=643
(2) 0.04x+0.08y=35.44

Using the method of substitution
Isolating x from the first equation:
(1) x+y-y=643-y
(3) x=643-y

Replacing x by 643-y in the second equation
(2) 0.04x+0.08y=35.44
0.04(643-y)+0.08y=35.44
25.72-0.04y+0.08y=35.44
0.04y+25.72=35.44

Solving for y:
0.04y+25.72-25.72=35.44-25.72
0.04y=9.72

Dividing both sides of the equation by 0.04:
0.04y/0.04=9.72/0.04
y=243

Replacing y by 243 in the equation (3)
(3) x=643-y
x=643-243
x=400


Answers:
The number of weekends minutes used was 400
The number of weekdays minutes used was 243
6 0
3 years ago
Pls help how do i solve for x in this equation??
evablogger [386]

Answer:

x = -2

Step-by-step explanation:

1. Square both sides
x^2 +3x + 6 = x^2
2. Subtract x^2 from both sides
3x + 6 = 0
3. Subtract 6 from both sides and divide by 3
x = -2

6 0
2 years ago
If you are receiving $57.94 in change, what is the lowest combination of bills and coins that will still give you the correct ch
mestny [16]

1   50 dollar bill

1    5 dollar bill

2   1 dollar bills

3    quarters

1      dime

1       nickel

4      pennies




7 0
3 years ago
Pls awnser thank you maybe
Zanzabum

Answer:

Step-by-step explanation:

..

6 0
3 years ago
Read 2 more answers
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