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12345 [234]
3 years ago
5

My sister is 18 years old. My brother says that his age minus nineteen Is equal

Mathematics
2 answers:
iragen [17]3 years ago
7 0

Answer: 18

Step-by-step explanation:

Sisters age = b

Brothers age = b + 19

iren [92.7K]3 years ago
7 0

Answer:

37 years old

Step-by-step explanation:

lets keep the brother's age as b.

so using the equation:

b-19=18(add 19 on both sides)

b=37

So her brother is 37 years old

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Business services ordered a chair that cost $220.59. Upon arrival they received an invoice for $261.47. If the California sales
sladkih [1.3K]

Answer:

Cost of shipping and handling = $23.453

Step-by-step explanation:

Given

Price of Chair=$220.59

Tax=7.9%

Invoice Price=$261.47

In order to find the cost of shipping and handling, we have to subtract the cost of chair and the tax from the invoice price of chair.

To find the tax,

Tax amount=220.59*0.079

=$17.42661

Now,

Cost of shipping and handling=$261.47-$220.59-$17.42661

=$23.453 ..

6 0
3 years ago
Read 2 more answers
Lines a and bare perpendicular. If the slope of line a is - 2/3 is the slope of line b?
Elena-2011 [213]

Answer:

B.   3/2

Step-by-step explanation:

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The negative reciprocals of -2/3

is 3/2

5 0
3 years ago
Special right triangles!!! Help
Archy [21]

Answer:

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Step-by-step explanation:

i hope this helps

3 0
3 years ago
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Find the perimeter of the figure to the nearest hundredth.<br> Please consider helping!
jok3333 [9.3K]
I believe it is 103m
4 0
3 years ago
Dan sold 40 concert tickets in 5 days.
olchik [2.2K]

Step-by-step explanation:

The number of tickets sold by Dan the first day is x.

Tickets sold on the 2nd day: x+3

on the 3rd day: x+6

on the 4th day: x+9

on the 5th: x+12

Since the total of tickets sold by Dan is 40:

x+(x+3)+(x+6)+(x+9)+(x+12)=40

5x+30=40

5x=10

x=2

number of tickets sold on the third day: 8

7 0
2 years ago
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