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Katarina [22]
3 years ago
15

Simplify the expression (2b/3)^4 A. 16b^4/81 B. 16b^4/3 C. 8b^4/12 D. 6b^4

Mathematics
2 answers:
Ilya [14]3 years ago
8 0

Answer:

A.16b^4/81

step-by-step explanation:

(2b/3)^4

= (2b)^4/3^4

= (2^4×b^4)/3^4

=16b^4/81

(as 16 and 81 cant simplify each other)

kherson [118]3 years ago
5 0

Answer:

A. 16b^4/81

Step-by-step explanation:

(2b/3)^4

We know (a/b)^c = a^c / b^c

(2b)^4  / 3^4

We also know (ab)^c = a^c * b^c

2^4 * b^4   / 3^4

16 b^4/ 81

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The length of a rectangle is twice the width. Find the width if the perimeter is 60 centimeters. Define a variable, write an equ
-Dominant- [34]

width = w

length = 2w

perimeter = 2w + 2 l

perimeter = 2w +2(2w)

60 = 2w + 4w

60= 6w

60=6w

w = 60/6 = 10

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numerele a, b si c sunt direct proportionale cu 2, 3 si 5. Daca media aritmetica a celor trei numere este egala cu 100, determin
Fynjy0 [20]

Answer:

a = 60

b = 90

c = 150

Step-by-step explanation:

Numerele a, b și c sunt direct proporționale cu 2, 3 și 5.

Unde k este constantă de proporționalitate

a ∝ 2

a = 2k

b ∝ 3

b = 3k

c ∝ 5

c = 5k

Dacă media aritmetică a celor trei numere este egală cu 100, determinați numerele a, b și c

= 2k + 3k + 5k / 3 = 100

= 10k / 3 = 100

Cross Multiply

= 10k = 3 × 100

= 10k = 300

Împărțiți ambele părți la 10

k = 300/10

k = 30

Pentru numărul a

a = 2k

a = 2 × 30

a = 60

Pentru numărul b

b = 3k

b = 3 × 30

b = 90

Pentru numărul c

c = 5k

c = 5 × 30

c = 150

Prin urmare, a = 60, b = 90, c = 150

3 0
3 years ago
Plz help will mark brainliest :)
shepuryov [24]

Answer:

an odd    an even

Step-by-step explanation:

plz mark as brainliest. my first answer

3 0
3 years ago
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