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luda_lava [24]
3 years ago
13

In the equation 9x2 - 4 = (px - t)(px + t), p and t are constants. What is the value of p + t?

Mathematics
1 answer:
Alexxx [7]3 years ago
4 0

Answer: 2

Step-by-step explanation:

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Usimov [2.4K]

Step-by-step explanation:

26. x²+5x+25/4 = (x + 5/2)²

29. x²/4y²-2/3+4y²/9x² = (x/2y - 2y/3x)²

6 0
2 years ago
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4 times a number is decreased by 9, the result is the same as when 15 is added to twice the number. find the number
igor_vitrenko [27]

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12

Step-by-step explanation:

4*x-9=2x+15

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5 0
3 years ago
The weight of a nickel is 5g. How many mg does a nickel weigh?
telo118 [61]
Grams measures mass not weight

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3 0
3 years ago
The Patels took out a 15-year mortgage. How many monthly payments will they have to make on this mortgage?
VikaD [51]
There are 12 months in a year, and 15 years to pay the mortgage.

Therefore you are simply doing 12 multiplied by 15.

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4 0
3 years ago
If x^2 + 1/x^2 = 98 find x + 1/x<br><br>​
Pavel [41]
Given,

x
2
+
x
2

1
​
=98

(x+
x
1
​
)
2
=x
2
+
x
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1
​
+2

98+2=100

∴x+
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1
​
=10

(x+
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1
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3
=x
3
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3

1
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​
)

x
3
+
x
3

1
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+3(x+
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1
​
)=1000

x
3
+
x
3

1
​
=1000−3(10)=
5 0
3 years ago
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