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Leni [432]
2 years ago
5

A computer tech charges a $30 initial fee to come and fix a household computer plus $15 per hour. Which of the following linear

equations does this follow?
Mathematics
1 answer:
kkurt [141]2 years ago
6 0

Answer:

I don't see the choices, but the answer will be  y = 15x + 30, or maybe

c = 15h + 30    with c being the cost, and h being the amount of hours.

Step-by-step explanation:

$30 is a flat rate charged just for showing up, so that value is constant and will not change.  

$15 is the per hour charge, so the total charge will be $30 plus $15 for every hour the tech is there.  The $15 is a constant charge per hour, so let x or h represent the number of hours the tech is there, so the total cost is

c = 15h + 30

Every time h increases by 1, the total cost goes up by $15.

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Caleb purchases 5 beach towels for d dollars each. Each towel is charged an additional 6% sales tax.
Assoli18 [71]
The correct expressions are:
5.3d
5d+0.3d
5(d+0.06d)

Since he is purchasing 5 towels that have a cost of d dollars each, the cost of the towels is given by 5d.

However, to add 6% tax, we multiply this by 0.06 and add it to the price without tax:
5d+0.06(5d)

Simplifying this, we have 5d+0.3d = 5.3d.

All of the correct answers simplify to this expression.
6 0
3 years ago
How do you multiply 40 7 /16?
nadya68 [22]
40 X 7/16?
I dont competly under stand becouse you just multaply it and the anser is 17.5

6 0
2 years ago
Read 2 more answers
A polygon is regular if each of its sides has the same length. Find the perimeter of the regular polygon. #36
vazorg [7]
Take the length of one of the sides and times that by the radius. Divide that answer by 2. Now take that and multiply by the number of sides the polygon has. If you can't find the radius or side, you're going to have to use tan, sin, or cos.
5 0
3 years ago
7x − 2(x + 1) = 6x + 14
TEA [102]

The answer is x= -16

3 0
3 years ago
Hi! ❤️ , im looking for some help here. ill give brainliest if able to.
Alexeev081 [22]

Answer:

A. 2^11

Step-by-step explanation:

(They are basically asking what's 2^4 × 2^7, but with more words.)

I usually do each exponent individually:

2^4 is the same as 2 × 2 × 2 × 2 = 16 (or you could have read the text to figure that out)

2^7 is the same as 2 × 2 × 2 × 2 × 2 × 2 × 2 = 128

Then just multiply 128 and 16 to get 2,048, and see which option also gives you 2,048.

BUT, you can also:

(Combine the exponents together to get your answer. Just remember that if it's multiplication you add them, and if it's division you subtract them.)

2^4 × 2^7

4 + 7 = 11

2^11 (This equals 2,048 btw. You don't even have to check all the options to get the answer).

Hope this helps friend :)

The last part I learned from another user, while answering one of your other questions. I personally find this mind blowing, lol.

4 0
2 years ago
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