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loris [4]
3 years ago
15

Simplify a + 2 + a + 2 + a + 2

Mathematics
1 answer:
horrorfan [7]3 years ago
6 0

Answer:

3a+6

Step-by-step explanation:

a+a+a=1a+1a+1a=3a

2+2+2=6

therefore,3a+6

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Joe is buying a jacket that originally costs $59.27 but is on sale for 10% off. Sales tax is 7%. What is the total cost of the j
postnew [5]
Hello!

10% off means there's a discount on the jacket, so we will be finding how much the discount is worth and then we'll subtract that from the original cost of the jacket. 
Sales tax is basically additional money added to the cost of an item, so we will find what the sales tax is on this and then add that to the cost.

59.27 * 10% = 5.927

59.27 - 5.927 = 53.343

Now, find and add the sales tax. 

53.343 * 7% = 3.73401

53.343 + 3.73401 = 57.07701

Round this to 57.1

The total cost of the jacket is $57.1.
7 0
3 years ago
Read 2 more answers
Hey friends answer this please <br> Please give the letter choice
Aliun [14]

1.2\cdot 10^{-3}-2.0\cdot 10^{-4}=1.2\cdot 10^{-3}-0.20\cdot 10^{-3}\\\\=1.0\cdot 10^{-3}

The appropriate choice is ...

... D) 1.0×10⁻³ inch

8 0
3 years ago
the area of the top of a rectangular table is 323 square feet. If the length of the table is 19 feet , what is the width
sergejj [24]

Answer:

hello :

the area is : A= w ×l     ...   w :  the width    l : the length

A = 323     l = 19     w ?

l = A/w

l = 323/ 19

l = 17 feet


4 0
3 years ago
To convert a capacity of 8.7 gallons to quarts, which ratio could you multiply by? remember that 1 gallon = 4 quarts.
Papessa [141]
Using the factor label method, you would set up your ratio like so:8.7 gall *  \frac{4 qts}{1 gall}
3 0
3 years ago
What is the veritable expression of<br> A number plus the product of<br> the number minus 5 and 7
vivado [14]

Answer:

x + 7(-5)

Step-by-step explanation:

Not sure if this is right or not...

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3 years ago
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