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Neporo4naja [7]
3 years ago
13

K (n) = 4n – 4; Find k (8) 28 4 -32 -24 The answer

Mathematics
1 answer:
Maurinko [17]3 years ago
8 0

Answer:

Step-by-step explanation:

k(8) = 4(8) - 4

     = 32 - 4

     = 28

answer is A

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Which is the completely factored form of the following equation?<br><br> 4a4b2−21a2b+5=0
r-ruslan [8.4K]

The completely factored equation is (a²b - 5)(4a²b - 1)

<h3>How to factor equation?</h3>

4a⁴b² - 21a²b + 5 = 0

let's expand the equation

Therefore,

4a⁴b² - 21a²b + 5 = 0

4a⁴b² - 20a²b  - a²b + 5 = 0

Rearrange the equation

4a⁴b² - a²b  - 20a²b + 5 = 0

Let's factorise the equation

4a⁴b² - a²b  - 20a²b + 5 = 0

a²b(4a²b - 1) - 5(4a²b - 1) = 0

Therefore, the completely factored equation is as follows:

a²b(4a²b - 1) - 5(4a²b - 1) = 0

(a²b - 5)(4a²b - 1)

learn more on equation here: brainly.com/question/8842252

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4 0
2 years ago
A scooter travels 30 feet in 2 seconds at a constant speed.
Lilit [14]

Answer:

The scooter is going faster.

Step-by-step explanation:

30/2 = 15ft/s

55/4 = 13.75ft/s

(the question was cut off so I used the information I had) Hope this helped!

7 0
3 years ago
Which of these expressions demonstrates the identity property? 25(0) = 25 25(1) = 25 25 + 0 = 25 25 + 1 = 25
tresset_1 [31]

The expressions which demonstrates the identity property of multiplication is; 25(1) = 25 option B

<h3>Identity Property</h3>

Identity Property of Multiplication states that any number multiplied by 1 does not change, that is, it is constant or remains the same

Check all options

25(0) = 25

0 = 25

Not true

25(1) = 25

25 = 25

True (identity property of multiplication holds)

25 + 0 = 25

25 = 25

True (Not identity property of multiplication)

25 + 1 = 25

26 = 25

Not true

Learn more about identity property:

brainly.com/question/2364391

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3 0
2 years ago
25 POINTS for CORRECT answer! (Image attached).
neonofarm [45]
(-6,0)(0, 3)
slope = (3-0)/(0+6) = 3/6 = 1/2

answer
1/2
3 0
4 years ago
The highway mileage m in miles per gallon for a compact car is approximated by m(s) = -0.025s^2 + 2.45s - 30, where s is the spe
Over [174]
The maximum mileage per gallon for the compact car is determined by taking the first derivative of the given equation and equate to zero. The differentiated form is m's = -0.05 s + 2.45 = 0; s is equal to 49 seconds. substituting this s, m is equal to 30.025 miles/gallon.
6 0
3 years ago
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