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GenaCL600 [577]
3 years ago
10

X²-9y²can someone assist plz​

Mathematics
1 answer:
Annette [7]3 years ago
3 0

Answer:

{x}^{2}  - 9 {y}^{2}  \\  =  {x}^{2}  -  {3}^{2}  {y}^{2}  \\  =  {x}^{2}  -  {(3y)}^{2}  \\  = (x - 3y)(x + 3y)

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Can you please tell me the answer I don't know ​
atroni [7]

Answer:

1)

=6-15+7

=6-22

=-16 answer

2)

=7×40/5

=Then,7×8

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5 0
3 years ago
Which number completes the Pythagorean Triple of 14, 48, x?
kykrilka [37]
<h3>Answer:</h3>

50

<h3>Step-by-step explanation:</h3>

These numbers are double those of the (7, 24, 25) triple. 2×25 = 50.

You can also figure it out from ...

... x = √(14² +48²) = √(196 +2304) = √2500 = 50

3 0
3 years ago
Kenny is 5 feet 5 inches while Lamar is 67 inches. Who is taller?
Burka [1]
Lamar is taller because 67 inches =5 feet 7inches
8 0
4 years ago
Read 2 more answers
On average, a commercial airplane burns about 3.9 × 10³ ml of gasoline per second. there can be as many as 5.1 × 10³ airplanes i
kodGreya [7K]
Milliliters of gasoline=gasoline consumption x number of airplanes.
milliliters of gasoline=(3.9 * 10³)(5.1*10³)=(3.9*5.1)(10³⁺³)=19.89*10⁶=
=1.989*10⁷ ml
Remember: 1 minute=60 seconds;
Therefore:

1.989*10⁷ ml-------------------1 s
x-------------------------------60 s

x=(1.989*10⁷ml * 60 s)/1s≈1.2*10⁹

Answer: 1.2*10⁹ ml

5 0
3 years ago
Jessica has saved 4100 cents from selling lemonade how many dollars does Jessica have
insens350 [35]

Answer:

41

Step-by-step explanation:

there is 100 cents in a dollar. divide 4100 by 100

5 0
3 years ago
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