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Natasha_Volkova [10]
3 years ago
11

An electrician charges a $40 dollar fee to make a house call plus an hourly rate for labor. If the total bill for a job that tak

es 2 hours comes to $99, what is the electrician's hourly labor rate
Mathematics
1 answer:
agasfer [191]3 years ago
8 0

Answer: the electrician's hourly labor rate is $29.5

Step-by-step explanation:

Let x represent the electrician's hourly labor rate.

electrician charges a $40 dollar fee to make a house call plus an hourly rate for labor. This means that the total bill for a job that takes y hours would be expressed as

xy + 40

If the total bill for a job that takes 2 hours comes to $99, it means that

2x + 40 = 99

2x = 99 - 40

2x = 59

x = 59/2 = 29.5

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Sami took six quizzes in science class. The grades for the quizzes are 86, 92, 79, 96, 80, and 95. What is the median grade?
mart [117]

Answer:

The median grade would be 89

Step-by-step explanation:

To find the median, first put the numbers all in ascending order.

79, 80, 86, 92, 95, 96

Now isolate the middle term or terms. Since there is an even amount of numbers, we pick the two in the middle. To find the median, we take an average of those terms.

(86 + 92)/2 = 89

6 0
3 years ago
Read 2 more answers
Mai is making personal pizzas. For 4 pizzas, she uses 10 ounces of cheese. How much does she use on 1 pizza. How much does she u
jasenka [17]

Answer:

32.5

Step-by-step explanation:

10 ounces is in 4 pizzas so if we want 15 pizzas we need to count up

4 can not fit into 15 so we have to stop at 12 pizzas.

Now we need to add 3 pizzas

:Note: that one pizza is 2.5 of an ounce  out of 10 ounces

so after you add the 3 pizzas you have 15 but that wasnt 4 pizzas so you have 2.5 ounces left over you add those ounces to the 30 you got from the 12 ounces which you have 30 and add it to the ounces left over

2.5 + 30 = 32.5

3 0
3 years ago
Answer to 0.08x+(x-200)
kari74 [83]
0.08x+(x-200)
(0.08x)(x+-200)
(0.08x)(x)(0.08x)(-200)
= 0.08x^2-16x
3 0
3 years ago
one day in october, agent sanchez enters the code 3477 how do you know this is code is incorrect and and will not open the door
kozerog [31]
Well first off the cia will say that they didn’t send him, but we know the truth. Second off that number is the last 4 digits to the illuminatis president, Tom Hanks. Lastly, that number is also the number of kids Joe Biden has sniffed in the last year.
5 0
2 years ago
Find the missing segment.
Bond [772]

Answer:

? = 7.

Step-by-step explanation:

The two triangles are similar because of the AA Theorem.

The larger triangle's side that is equal to 9 + 3 corresponds to the smaller triangle's side length of 9, while the larger triangle's 21 + ? side corresponds to the smaller triangle's 21 side. Now, we can set up a proportion!

\frac{9}{9+3} =\frac{21}{21 + ?}

\frac{9}{12} =\frac{21}{? + 21}

\frac{3}{4} =\frac{21}{? + 21}

\frac{1}{4} =\frac{7}{? + 21}

? + 21 = 7 * 4

? + 21 = 28

? = 28 - 21

? = 7

Hope this helps!

3 0
3 years ago
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