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guajiro [1.7K]
3 years ago
15

A mechanic charges $55 an hour for an oil change and spends $45 a day on supplies. Which expression represents the amount the me

chanic earns in one day?
Mathematics
1 answer:
san4es73 [151]3 years ago
5 0

Answer:

55x-45=y

Step-by-step explanation:

in terms of algeabra 55 dollars per hour x amount of hours 45 spent so subtract 45; y is the amount per day. The variables can be swapped

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Please, help meeeeee
aalyn [17]

Answer:

y = 500x + 1000

Step-by-step explanation:

The standadrd equation of a line is expressed as y = mx+b

m is the slope

is the y-intercept

Using the coordinate points (0, 1000) and (6, 4000)

Slope = y2-y1/x2-x1

Slope  = 4000 - 1000/6-0

Slope m = 3000/6

Slope m = 500

Since the line cut the y axis at y = 1000, hence the intercept b = 1000

Get the required equation;

Reall that y = mx+b

y = 500x + 1000

3 0
3 years ago
Please help it due really soon...thx
Mama L [17]

Answer:

what is klm

Step-by-step explanation:

3 0
3 years ago
HELP ME PLSSSSSS!!!!!!!!!!!!!!!
xxMikexx [17]

Answer:

<em>No.</em>

Step-by-step explanation:

<em>5c-6=4-3c</em>

<em>5c-6+6=4-3c+6 Add six to both sides</em>

<em>5c=-3c+10 Simplify</em>

<em>5c+3c=-3c+10+3c Add 3c to both sides</em>

<em>8c=10 Simplify</em>

<em>8c/8=10/8 Divide both sides by 8</em>

<em>c=5/4 <<< Simplify and you get that</em>

<em>So they (Student A) are/is not correct.</em>

Hope this helps, have a good day. c;

6 0
3 years ago
Karen wants to buy carpet to cover her whole living room, except for the tiled floor. The tiled floor is 7 1 /2 ft by 3 1 /4 ft.
Mazyrski [523]

Answer:

Area=34.375 sq feet

Step-by-step explanation:

A1=11 3/4 * 5 = 58.75

A2=7.5 * 3 1/4 = 24.375

Area=58.75-24.375= 34.375

6 0
2 years ago
If Uber charges a $4.15 pickup fee plus $1.12 per mile, which equation can be used to calculate the cost of a ride of
arlik [135]

Answer:

4.15+1.12x

Step-by-step explanation:

So lets go over what we know.

The cost of a pickup is 4.15 dollars.

The cost of the pickup fee increases by 1.12 dollars per mile.

So when we start off, it will orginate as 4.15 dollars.

We know that this price is going to be increased by the other value, so we can write it as:

4.15+

We know that for each mile, this price goes up by 1.12.

If we went 10 miles, for instance, it would be 1.12 10 times, or 11.2 dollars.

So we know that thr 4.15 will be increased by 1.12 times the amount of miles.

Or:

4.15+1.12*m

=

4.15+1.12m.

Hope this helps!

7 0
2 years ago
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