[3.0479 × 10⁸] ÷ [2.102 × 10⁶]
[3.0479 ÷ 2.102] × [10⁸ ÷ 10⁶]
1.45×10²
1/4x + 5 = =4
subtract 5 to both sides
1/4x = 4 - 5
1/4x = -1
multiply 4 to both sides
x = -1 x 4
x = -4
Answer:
160 nickels, 80 pennies
Step-by-step explanation:
160 nickels = $8
80 pennies = $0.80
$8 + $0.80 = $8.80
Answer:
k = 25
Step-by-step explanation:
Given the following data;
Volume = 325 in³
Length = 13 inches
To find the constant of proportionality, k;
Mathematically, direct proportion is given by the expression;
V = kL
k = V/L
Substituting into the formula, we have;
k = 325/13
k = 25
Answer:
b)37.5
Step-by-step explanation:
the ratio 3:2 is the same as 1.5, so you multiply 1.5 & 25 to get 37.5 units