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11Alexandr11 [23.1K]
3 years ago
12

27a+1/2b=4 solve for a

Mathematics
2 answers:
sladkih [1.3K]3 years ago
5 0

Answer:

a = 4/27 - b/54

Step-by-step explanation:

27a+1/2b=4

Subtract 1/2 b from each side

27a+1/2b - 1/2 b=4-1/2 b

27a = 4 - 1/2 b

Divide each side by 27

27a/27 = 4/27 - 1/2 b/27

a = 4/27 - b/54

GarryVolchara [31]3 years ago
5 0
Answer: a= - 1/54b+4/27

Step-by-step explanation:
primero multiplique ambos lados de la ecuación por 2
54a+b=8
mueve la variable al lado derecho y cambie su signo
54a=8-b
dividí ambos lados de la ecuación entre 54
a=4/27 - 1/54b
use la propiedad conmutativa para reorganizar los términos
a= 1/54b + 4/27 y listo
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How many four-digit odd numbers less than 6000 can be formed using the digits 2, 3, 4, 5, 6, and 8?
Norma-Jean [14]

Answer:

288

Step-by-step explanation:

First position choice:   4 numbers

Second                         6 numbers

Third                             6

Fourth                           6

       TOTAL 4 digit numbers   4 * 6 * 6 * 6 = 864 combos

             2 out of 6 of these will end in 3 or 5  (thus making an odd number)

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5 0
2 years ago
Convert the fractions to decimals 4/5,7/20,1/25,9/30,18/24,5/8,2/3,1/9,8/14. Please answer my homework is due tomorrow and it’s
fgiga [73]

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4/5= 0.8

7/20= 0.35

1/25=0.04

9/30=0.3

18/24=0.75

5/8=0.6

2/3=0.7

1/9=0.1

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And that’s it I hope it helped!!❤️


6 0
3 years ago
PLEASE HELP ME ASAP ITS DUE AT MIDNIGHT AND I DONT HAVE A LOT OF TIME
Ne4ueva [31]

Answer:

C

Step-by-step explanation:

4 0
3 years ago
Read 2 more answers
I don't understand how to do this?<br> Let f(x) = x2 − 2x + 2 and g(x) = x − 3. Find f(x) ⋅ g(x
serg [7]
Multiply the functions
(x^2-2x+2)(x-3)=
(x^2-2x+2)(x)+(-3)(x^2-2x+2)=
(x^3-2x^2+2x)+(-3x^2+6x-6)=
x^3-2x^2+2x-3x^2+6x-6=
x^3-2x-3x^2+2x+6x-6=
x^3-5x^2+8x-6

f(x)g(x)=x^3-5x^2+8x-6

4 0
3 years ago
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