Solve the two-step equation. 5.1 = –3x – 4.2

Answers

Answer 1

Answer: $5.1 = -3x - 4.2$

$9.3=-3x$

$-3.1=x$

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Answers

Answer:

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A university's freshman class has 5000 students. 80% of those students are majoringin Computer Science. How many students in the freshman class are Computer
Science majors?

Answers

Answer:

4000 students

Step-by-step explanation:

Number of computer science majors = 80% of 5000

= 0.8 * 5000

= 4000

Answer:

4000

Step-by-step explanation:

5000 * .8 is 4000

F(x)= 2x+1/3x-4 H(x)=3x³-7EvaluateF(x)–¹And Fh(4)

Answers

$f(x) = (2x + 1)/(3x - 4)$
h(x) = 3x³ - 7

$f(x) = (2x + 1)/(3x - 4)$
$y = (2x + 1)/(3x - 4)$
$y(3x - 4) = (3x - 4)((2x + 1)/(3x - 4))$
$y(3x) - y(4) = 2x + 1$
$3xy - 4y = 2x + 1$
$3xy - 2x = 4y + 1$
$x(3y) - x(2) = 4y + 1$
$x(3y - 2) = 4y + 1$
$(x(3y - 2))/(3y - 2) = (4y + 1)/(3y - 2)$
$x = (4y + 1)/(3y - 2)$
$y = (4x + 1)/(3x - 2)$
$f^(-1)(x) = (4x + 1)/(3x - 2)$

f(h(4)) = 3x³ - 7
f(h(4)) = 3(4)³ - 7
f(h(4)) = 3(64) - 7
f(h(4)) = 192 - 7
f(h(4)) = 185

$f^(-1)(x) - f(h(4)) =(4x + 1)/(3x - 2) - 185$
$f^(-1)(x) - f(h(4)) =(4x + 1)/(3x - 2) = (185(3x - 2))/(3x - 2)$
$f^(1)(x) - f(h(4)) =(4x + 1)/(3x - 2) = (555x - 370)/(3x - 2)$
$f^(-1)(x) - f(h(4)) =((4x + 1) - (555x - 370))/(3x - 2)$
$\f^(-1)(x) - f(h(4)) =((4x - 555x) + (1 - 370))/(3x - 2)$
$f^(-1)(x) - f(h(4)) =(-551x - 369)/(3x - 2)$

Which of the following is a perfect square? A)154 B)169 C)279 D)115