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kondor19780726 [428]
2 years ago
7

It is said a picture is worth a thousand words. It is also claimed words are a dime a dozen. Assuming these propositions are tru

e, what is the dollar value of a picture?
Mathematics
1 answer:
vivado [14]2 years ago
8 0
A picture is worth approximately $8.33, because you have to take a thousand divided 12 (dozen) which gives you 83.3333... than you take that dived by 10 since there is 10 dimes in a dollar and you get $8.33.
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Which value must be added to the expression x2 + 12x to make it a perfect-square trinomial?
denis23 [38]

36 is must be added to the expression x² + 12x to make it

perfect-square trinomial

Step-by-step explanation:

The perfect-square trinomial x² + 2ax + a² = (x + a)², then

1. The first term in the trinomial is square the 1st term in the bracket

2. The middle term in the trinomial is the product of 1st , 2nd

    terms of the bracket and 2

3. The 3rd term in the trinomial is square the 2nd term in the bracket

∵ The expression is x² + 12x

∵ We must add the 3rd term which make it perfect-square trinomial

- Divide 12x by 2 to find the product of the 1st term and 2nd term

  in the bracket

∵ 12x ÷ 2 = 6x

∴ The 1st term is x and the 2nd term is 6 of the bracket

∵ The 3rd term in the trinomial is square the 2nd term in the bracket

∴ The 3rd term in the trinomial is 6² = 36

∴ x² + 12x + 36 = (x + 6)²

36 is must be added to the expression x² + 12x to make it

perfect-square trinomial

Learn more:

You can learn more about perfect-square trinomial in brainly.com/question/7932185

#LearnwithBrainly

4 0
2 years ago
2 7/12 as a decimal<br><br> I forgottttttthelp
MariettaO [177]

Answer:

2.58333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333331

Step-by-step explanation:

5 0
3 years ago
Read 2 more answers
Which ordered pair satisfies the system of equations for 3x-y=8 and x+y=2? A.) (3,-1) B.) (2.5,0.5) C.) (2.5,-0.5)(5,-3)
raketka [301]

Answer:

3x - y = 8

y = 3x - 8

y = 3*2.5 - 8 = -0.5 --> (2.5, -0.5)

y = 3*5 - 8 = 7 --> (5, 7)

Answer C is correct.

6 0
3 years ago
Heron wants to buy a video game. The price is regularly priced at 55 dollars. The store has a discount of 20% off and a sales ta
seropon [69]

The amount paid by Heron for the video game  is $46.64.

Step-by-step explanation:

Here, the marked price of the video game  = $55

The discount percentage on the video game  = 20%

Calculating 20% of the $55, we get:

\frac{20}{100}  \times 55  = 11

So, the discount offered on the video game  = $11

Selling Price  = Marked Price  - Discount

                        =$55 - $11 = $44

Now,  the tax percentage on the video game  = 6%

Calculating 6% of the $44, we get:

\frac{6}{100}  \times 44  =2.64

So, the tax  on the video game  = $2.64

New Selling Price  = Selling Price  +  Tax

                        =$44 + $2.64  = $46.64

So, the amount paid by Heron for the video game  is $46.64.

3 0
3 years ago
Find the Shaded area
Paul [167]

Answer:

7.73

Step-by-step explanation:

So first find the area of the circle which is A= (pi)(r)^2

So you would have A=(pi)*3^2 = 28.27

Then you know that since the radius is 3 you know that the diameter is double of that and so your diameter is 6. Now if you draw a horizontal line that goes through the center and is parallel to one of the sqaure side you can see that that also is the diameter and you already figured out the diameter to be 6 so hence the side of the square are 6. Now find the area of the square which is 36 and then subtract 28.27 from it

36-28.27 = 7.73

8 0
1 year ago
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