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11Alexandr11 [23.1K]
3 years ago
10

Use a drawing of counters to show 5 and then +7

Mathematics
1 answer:
Rama09 [41]3 years ago
3 0

red red red red red yellow yellow yellow yellow yellow yellow

hope this helps :)

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Can someone explain me how to find square root by prime factorization ?
liubo4ka [24]

Answer:

<h2><u>STEPS</u></h2>
  • Step I: Obtain the given number.
  • Step II: Resolve the given number into prime factors by successive division.
  • Step III: Make pairs of prime factors such that both the factors in each pair are equal. Since the number is a perfect square, you will be able to make an exact number of pairs of prime factors.
  • Step IV: Take one factor from each pair.
  • Step V: Find the product of factors obtained in step IV.
  • Step VI: The product obtained in step V is the required square root.
<h2><u>Example </u></h2>

<u> Find the square root of 324</u>

  • 324 = 2 x 162
  • = 2 x 2 x 81
  • = 2 x 2 x 3 x 27
  • = 2 x 2 x 3 x 3 x 9
  • = 2 x 2 x 3 x 3 x 3 x 3
  • ∴ √324 = √( 2 x 2 x 3 x 3 x 3 x 3 )
  • √324 = 2 x 3 x 3
  • √324 = 18
5 0
4 years ago
Find two numbers that have the maximum possible product and a sum of 7
Musya8 [376]

Call these numbers x,y. Then x+y=7 or y=7-x.

We want to maximize their product,

f(x,y)=xy\implies f(x,7-x)=F(x)=7x-x^2

We could consider the derivative, but I think that's overkill. Instead, let's complete the square:

7x-x^2=-\left(x^2-7x+\dfrac{49}4\right)+\dfrac{49}4=\dfrac{49}4-\left(x-\dfrac72\right)^2

whose graph is a parabola opening downward with vertex at \left(\dfrac72,\dfrac{49}4\right), so that the maximum product is \dfrac{49}4.

Now if x=\dfrac72, it follows that y=7-\dfrac72=\dfrac72.

7 0
3 years ago
Read 2 more answers
In your office desk drawer you have 10 different flavors of fruit leather. How many distinct flavor groupings can you make with
Nesterboy [21]
100

You have 10 different flavors. Just multiply the ten with another ten.
4 0
3 years ago
Bamboo plants can grow 91 centimeters per day. what is the approximate growth of the plant inches per day
Lilit [14]
35 in per day

The world record for the fastest growing plant belongs to certain species of the 45 genera of bamboo, which have been found to grow at up to 91 cm (35 in) per day or at a rate of 0.00003 km/h (0.00002 mph). According to the RHS Dictionary of Gardening, there are approximately 1,000 species of bamboos.
5 0
3 years ago
Read 2 more answers
Help Please, will give brainiest.
hichkok12 [17]

Answer:

your name is so cute

Step-by-step explanation:

6 0
3 years ago
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