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Tanya [424]
3 years ago
5

A plumber charges a $5 fee plus $12 per hour for labor. Which equation models the total cost

Mathematics
1 answer:
olchik [2.2K]3 years ago
7 0

Answer: y = 12x + 5

Step-by-step explanation:

Since the going rate is $12/hr, that will be the x coefficient. Since the starting fee is $5, that will be the y-intercept.

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An angle measures 47.2° less than the measure of its supplementary angle. What is the measure of each angle? on ixl
SVEN [57.7K]

Answer:

The measure of one angle is 113.6^o, and the measure of the other one is 66.4^o

Step-by-step explanation:

Recall that supplementary angles are those whose addition renders 180^o

We need to find the measure of two such angles whose difference is precisely 47.2^o.

Let's call such angles x and y, and consider that angle x is larger than angle y, so we can setup the following system of equations:

x+y=180^o\\x-y=47.2^o

We can now solve this by simply combining term by term both equations, thus  cancelling the term in "y", and solving first for "x":

x+y=180^o\\x-y=47.2^o\\\\2x=180^o+47.2^o\\2x=227.2^o\\x=113.6^o

So, now we have the answer for one of the angles (x), and can use either equation from the system to find the measure of angle "y":

y=180^o-x\\y=180^o-113.6^o\\y=66.4^o

5 0
3 years ago
Can someone please solve this​
Svetradugi [14.3K]

Answer:

The answer is the 3rd one.

Step-by-step explanation:

3 times 3 is 9

4 times 4 is 16

13 is in between those 2 numbers

4 0
3 years ago
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Plzzzzzzzzzzzzzzzzzzzzzz find the hcf of 15a²b² and -24ab
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Let's take a look at each term separately.

15a^2b^2:

15 has factors 1, 3, 5, 15

a x a

b x b

-24ab

-24 has factors 1, 2, 3, 4, 6, 8, 12, 24

a

b

Now, we can see what each of these terms has in common. Both have a 3 in their factor lists, as well as one a and one b.

Therefore, the greatest common factor is 3ab.

Hope this helps!! :)

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What is the length of AC¯?
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X+4=-4
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Hope it helps.
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3 years ago
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Probability and Statistics question
sineoko [7]

C is the answer to your question

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3 years ago
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