Question

question 4: if \\(a = 1.5\\) \\(b = 4\\) \\(c = 6\\) \\(d = 0.5\\) and \\(e = -3\\)
find the value of each expression.
(a) \\(4(a + d)\\)
(b) \\(5(c + b)\\)
(c) \\(3(10 - e)\\)
(d) \\(abc\\)
(e) \\(e^3\\)
(f) \\(d^2\\)
(g) \\(5b^2\\)
(h) \\(8e^2 + 3\\)
(i) \\(\frac{b + 2}{3}\\)
(j) \\(\frac{2c - e}{4}\\)
(k) \\(\frac{10d + 4b}{7}\\)

question 5: \\(p = 2l + 2w\\), work out \\(p\\) if \\(l = 8\\) and \\(w = 3\\).

question 6: \\(c = 15h + 30\\), work out \\(c\\) if \\(h = 6\\).

Explanation:

Substitute values into expressions for Question 4

$$
LATEXBLOCK0
$$

Evaluate perimeter formula for Question 5

$$
LATEXBLOCK1
$$

Evaluate cost formula for Question 6

$$
LATEXBLOCK2
$$

Answer:

Question 4

(a) \(8\)
(b) \(50\)
(c) \(39\)
(d) \(36\)
(e) \(-27\)
(f) \(0.25\)
(g) \(80\)
(h) \(75\)
(i) \(2\)
(j) \(3.75\)
(k) \(3\)

Question 5

\(P = 22\)

Question 6

\(C = 120\)