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Ymorist [56]
4 years ago
6

An electrician charges $75 for the first hour of labor and $60 for each additional hour of labor. A customer calculates that the

electrician charges $225 for a total of 3.5 hours of labor. Is the customer correct?
Mathematics
2 answers:
BlackZzzverrR [31]4 years ago
4 0
Yes the customer is right. they will have to pay $225 for 3.5 hours of labor
lara31 [8.8K]4 years ago
4 0
NOOOO if you write an equation: 225= 75 + 60 x 3.5, you actually get 285. the actaul answer is 225 dollars for 2.5 hours!
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State of the triangles in each pair are similar. If so, State how you know they are similar and complete the similarity statemen
leonid [27]

Answer:

Similar, SSS similarity, ΔLRS

Step-by-step explanation:

First, compare the ratios of the shortest sides:

LN / LS = 112 / 24 = 4⅔

And the longest sides:

LM / LR = 168 / 36 = 4⅔

And the middle:

MN / RS = 154 / 33 = 4⅔

The triangles' sides are proportional.  Therefore, by SSS similarity, the triangles are similar.

4 0
3 years ago
Read 2 more answers
Please help me please help me
Pachacha [2.7K]

Answer:

C=66, C=25 1/7

Step-by-step explanation:

i

C=pi(d)

C=22/7*21

C=66

ii

C=pi(d)

C=22/7*16

C=25 1/7

3 0
3 years ago
What is the equation of the line described below written in slope-intercept form the line passing through the point (-1,5) and p
gregori [183]

The correct answer is y=-x+4​

Further explanation:

Given equation of line is:

x+y = 10

Comparing it with the standard point-slope form

y = mx+b

We get

y = -x+10

So

m = -1

As the new line is parallel to given line it will also have m=-1 as slope of two parallel lines is equal

For finding b, we will put the point and value of m in standard form

y = mx+b\\5 = (-1)(-1) + b\\5 = 1+b\\5-1 = b\\b=4

Hence the equation will be:

y = (-1)x+4\\y = -x+4

The correct answer is y=-x+4​

Keywords: Slope, Equation of line, Point-slope form

Learn more about Point-slope form of equation of line at:

  • brainly.com/question/4838384
  • brainly.com/question/4874740

#LearnwithBrainly

4 0
3 years ago
HELP WILL MARK BRAINLIEST <br> If the sin 60° is
uranmaximum [27]
The answer is the 3rd option


30-60-90 triangle for reference

Remember soh cah toa

O:opposite, a:adjacent, h:hypotenuse

S:sin c:cosine t:tangent

Hope this helped :)
4 0
2 years ago
Read 2 more answers
viktor has $250 in his bano account. he withdraws $15 per week. let x represent the number of weeks that he makes withdrawals an
antiseptic1488 [7]
The answer is y=$250-$15x. 
6 0
3 years ago
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