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Montano1993 [528]
2 years ago
12

Cuadrado de un binomio 2 (7+x)

Mathematics
2 answers:
GuDViN [60]2 years ago
8 0
Un binomio cuadrado perfecto es un trinomio que cuando factorizada le da el cuadrado de un binomio. Por ejemplo, el trinomio x ^ 2 + 2xy + y ^ 2 es un binomio cuadrado perfecto, ya que son los factores a (x + y) ^ 2.
Hope this helps!
¡Espero que esto ayude!
Taya2010 [7]2 years ago
7 0
Ok so first you have to solve what is inside parentheses  , so 2 is on the outside and (7 +x) is on the inside so we are going to distribute which means 2 times 7 is 14 +2x. 
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When a population or group of something is declining, and the amount that decreases is proportional to the size of the population.
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6 0
3 years ago
Read 2 more answers
Jay is letting her bread dough rise. After three hours, her bread dough is \dfrac{11}{5} 5 11 ​ start fraction, 11, divided by,
timama [110]

Answer:

Jay's bread size is 220% of the original size.

Step-by-step explanation:

The question is incomplete.

The complete question is as follows.

Jay is letting her bread rise. After 3 hours,her bread is at 11/5 of its original size. What percent of its original size is jays bread dough?

Solution:

Let the original bread size be = 100 units

After 3 hours the bread rises = \frac{11}{5} of the original size

New size of bread =  \frac{11}{5}\times 100=220 units

Percent of original size the new bread is

⇒ \frac{New\ bread\ size}{Original\ bread\ size}\times 100

⇒ \frac{220}{100}\times100

⇒ 220\%

6 0
3 years ago
He buys a suit that was on sale for 25%off. He only paid $125.00. What was the original price? What was the amount of the discou
Citrus2011 [14]

Equation  1):

You want to buy something that costs $166.66, and it's on sale for 25% off. What is the item's sale price?

First, convert the 25% to a real mathematical number. For percent's, this is always done by dividing the 25% by 100%, or 25% / 100% = 0.250.

Second, find out what 25% of $166.66 is. This is the amount of the sale discount. This is always found by multiplying 0.250 by the item's cost $166.66, like this:  

0.250 x $166.66 = $41.67.

So for this sale, you'll save $41.67 on this item.

This means, the cost of the item to you is  

$166.66 - $41.67 = $125.00.

Alternatively, you can think about it this way. The item is 25% off. This means you'll pay 75.000% of the total cost (100% - 25% = 75.000%).

Now what's 75.000% of the total cost?  

0.750 x $166.66 = $125.00.

Answer =====> Just like the result above, the sale price on the item is $125.00.





Equation 2:)

You want to buy something that costs $125, and it's on sale for 25% off. What is the item's sale price?

First, convert the 25% to a real mathematical number. For percent's, this is always done by dividing the 25% by 100%, or 25% / 100% = 0.250.

Second, find out what 25% of $125 is. This is the amount of the sale discount. This is always found by multiplying 0.250 by the item's cost $125, like this:  

0.250 x $125 = $31.25.

So for this sale, you'll save $31.25 on this item.

This means, the cost of the item to you is  

$125 - $31.25 = $93.75.  

Alternatively, you can think about it this way. The item is 25% off. This means you'll pay 75.000% of the total cost (100% - 25% = 75.000%).

Now what's 75.000% of the total cost?

0.750 x $125 = $93.75.

Answer =====> Just like the result above, the sale price on the item is $93.75.




Hope that helps!!!                                                     : )


8 0
3 years ago
in 25 minutes Li can run 10 laps around the track. consider the number of laps she can run per minute
Tresset [83]
She can run 2.5 miles a minute
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If my brother eats 6 1/2 cupcakes in the morning, and comes back at night for 7 1/2 MORE cupcakes, how many did he eat in total.
ikadub [295]

Answer:

14

Step-by-step explanation:

6 1/2+7 1/2= 14

3 0
2 years ago
Read 2 more answers
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