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asambeis [7]
3 years ago
8

A repairman charges $40.50 per hour. this can be written as $40.50x.evaluate this expression if he works for 5 hours.

Mathematics
2 answers:
sammy [17]3 years ago
7 0
I think the answers 3 if your lolking so see hkw much he earns in 5 houers
crimeas [40]3 years ago
3 0
To solve this equation, all you need to do is plug in the amount of hours the repairman works for x.  

So, when the repairman works for 5 hours, 40.50x=40.50(5).

When you multiply 40.50*5, you get 202.5.

When you convert this back to dollars and cents, your final answer is $202.50.

If the repairman works for 5 hours, then he will earn/charge $202.50.

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What is the measurement of ∠BAC and ∠ABC? Explain your process of solving.
Paraphin [41]

Answer:

<BAC = 78

<ABC = 68

Step-by-step explanation:

The remote angles theorem states that when one extends a side of a triangle, the angle formed between the extension and one of the sides of the triangle is equal to the sum of the two non-adjacent angles inside the triangle. One can apply this theorem here and state the following,

<BAC + <ABC = <ACD

Substitute,

(5y + 3) + (4y + 8) = (146)

Simplify,

9y + 11 = 146

Inverse operations,

9y + 11 = 146

     -11     -11

9y = 135

/9      /9

y = 15

Now substitute this value back into the expressions to find the numerical measurement of (<BAC) and (<ABC),

<BAC = 5y + 3

5(15) + 3

78

<ABC = 4y + 8

4(15) + 8

68

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Grandma's trash, no earnings, boxed like a fish, 200 pumped, absolutely destroyed
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The measure of an angle is seventy-one times the measure of a supplementary angle. What is the measure of each angle?
steposvetlana [31]

Let the smallest angle = x

Then the larger one = 71x

Supplementary angles are always equal to 180o

x + 71x = 180o Add the left side

72x = 180 Divide by 72

x = 180/72

x = 2.5

The smallest angle = 2.5 degrees

The largest angle = 2.5 * 71

The largest angle= 177.5 degrees.

3 0
3 years ago
Marcello sells coupon books to his neighbors. 4 neighbors each buy 2 coupon books. There are 8 coupons in each book. What is the
docker41 [41]

Answer:

64

Step-by-step explanation:

Marcello sells coupon books to his neighbors

4 neighbors each buy 2 coupon books

Each book have 8 coupons

Therefore the total number of coupons that all neighbors will get can be calculated as follows

Each neighbor will get 16 coupon

Hence the whole neighbors will get

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The Hernandez family's pool holds 2.715,69 gallons of water. An Olympic-size swimming pool holds
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Answer:

a

Step-by-step explanation:

its a

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