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Feliz [49]
3 years ago
9

25x⁴+4x⁴y²+4y⁴ answer this​

Mathematics
1 answer:
vova2212 [387]3 years ago
6 0

Answer:

(5x²+2y² + 2xy)(5x²+2y²-2xy)

Step-by-step explanation:

25x⁴+4x²y²+4y⁴= (5x²)²+2*5x²*2y²+(2y²)² - 16x²y²= (5x²+2y²)² - (4xy)²= (5x²+2y² + 2xy)(5x²+2y² - 2xy)

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*FIRST PERSON TO GET IT RIGHT AND ANSWER FIRST GETS BRAINLIEST*
polet [3.4K]

There are 23 sharks and 7 octopi in the aquarium

  • Let the number of sharks in the aquarium be x
  • Let the number of octopi in the tank be y

If the total number of animals in the tank is 30, therefore;

  • x + y = 30 ....................... 1

If the total number of legs in the tank is 171 with starfish having 5 legs and Octopus having 8 legs, the required expression will be:

  • 5x + 8y = 171 ................ 2

From equation 1, x = 30 - y ................... 3

Substitute equation 3 into 2 to have:

5(30-y) + 8y = 171

150 - 5y + 8y = 171

3y = 171 - 150

3y = 21

y = 7

Recall that x = 30 - y

x = 30 - 7

x = 23

Hence there are 23 sharks and 7 octopi in the aquarium

Learn more on simultaneous equation here: brainly.com/question/148035

8 0
2 years ago
Martha combined different amounts of oramge juice, pineapple juice, and strawberry juice to make 1 850ml of fruit punch. The amo
allsm [11]
We have the following variable:
 x = The amount of orange juice
 We have the following equation:
 x + (× + 100) + 1/2 × = 1850
 We clear x:
 (5/2) x + 100 = 1850
 (5/2) x = 1850 - 100
 (5/2) x = 1750
 x = 1750 / ((5/2))
 x = 700 ml
 pineapple juice = × + 100 = 700 + 100 = 800 mL
 strawberry juice = 1/2 × = (1/2) 700 = 350 mL
 The difference is:
 800 - 350 = 450 mL
 Answer:
 
The difference in the amounts of pineapple juice and strawberry juice martin combined was:
 
450 mL
8 0
3 years ago
Drag and drop the statement into the correct box.
a_sh-v [17]

Answer:

true on all but the last one

Step-by-step explanation:

the last one is false because a trapezoid is considered a quadrilateral that has exactly one pair of parallel sides.

8 0
2 years ago
Which expression is equivalent to (01.05 LC) 3 to the 2 power 3 to the -5 power
9966 [12]

Answer:

Step-by-step explanation:

It when you do this tan that equals 4:12

5 0
3 years ago
Will be giving brainliest to the correct one, no links or account will be reported:)
aleksandr82 [10.1K]

Answer:

x = 38

∠P = 26º

Step-by-step explanation:

The sum of the angle in a triangle is 180

x + (x + 78) + (x - 12) = 180

Combine like terms

3x + 66 = 180

Subtract 66 from both sides

3x = 114

Divide both sides by 3

x = 38

-----------------------

∠P = x - 12

∠P = 38 - 12

∠P = 26º

7 0
3 years ago
Read 2 more answers
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