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MrMuchimi
3 years ago
15

1) 9n2 - 25 Please show work

Mathematics
1 answer:
Vlad1618 [11]3 years ago
6 0

Answer:

(3n + 5)(3n − 5)

Explanation:

[ Factor ]

9n2 − 25

= (3n + 5)(3n − 5)

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A circuit shows that the impedance of a component is −56i−56i. Is the component a resistor, a capacitor, or an inductor? Select
AlekseyPX

Answer:

c

Step-by-step explanation:

5 0
3 years ago
A rectangular swimming pool has an area of (70x+10) square feet. Find possible dimensions of the pool.
NNADVOKAT [17]

Answer:

10 and 7x + 1

Step-by-step explanation:

The area of a rectangle is 70x + 10.

Let's factor 70x + 10.

Factor out a common factor of 10.

70x + 10 = 10(7x + 1)

Since the area of a rectangle is length * width, we can let one factor be the length and the other factor be the width.

Possible dimensions are 10 and 7x + 1

6 0
2 years ago
Read 2 more answers
Jasmine bought 32 kiwi fruit for $16. IfJasmine has $4, how many kiwi can shebuy?
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Answer:

8 kiwis

Step-by-step explanation:

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hope this helps

7 0
2 years ago
Each month, a shopkeeper spends 5x+11 dollars on rent and electricity. if he spends 2x-3 dollars on rent, how muck dose he spend
timofeeve [1]
Rent and electricity = 5x + 11
rent = 2x - 3

electricity = (5x + 11) - (2x - 3) 
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electricity = 3x + 14

---------------------------------
Answer: 3x + 11
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5 0
3 years ago
Guillermo is a professional deep water free diver. his altitude (in meters relative to sea level), xxx seconds after diving, is
klasskru [66]
Answer: The maximum depth that he will reach is -125 meters.

The first thing you should realize is that this is a quadratic equation and the graph will be a parabola.

We can simply the equation to:

y = (1/20)x^2 - 5x

Now, use -b/2a to find the x-value of the vertex which is 50. Then, input 50 back into the equation to get -125 for the maximum depth.
8 0
3 years ago
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