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Virty [35]
3 years ago
14

Find the greatest value of x​

Mathematics
1 answer:
Anton [14]3 years ago
4 0

Answer:

30°

Step-by-step explanation:

if correct pls mark brainliest

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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
2 years ago
What is the sum of the interior angles of the polygon pictured below?
Lostsunrise [7]

Answer:

37

Step-by-step explanation: IM MAKING A GUESS IF ITS WRONG IM SORRY  I TIRED

5 0
3 years ago
Please need help asap!!
kirill [66]

The answer is 5 hope that helps

5 0
3 years ago
Which of these scales are equivalent to 3cm to 4 km
sergij07 [2.7K]

Answer:

You need to add more context to the question. I cannot answer it without knowing what "These scales" are.

5 0
3 years ago
PLEASE HELP!!!!!!!
crimeas [40]

Answer:

24.5

Step-by-step explanation:

❤❤❤❤❤❤❤

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2 years ago
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