Answer:
I am pretty sure that it is a
Answer:
PQ = 37 Km
Step-by-step explanation:
let PQ = x , then
PR = x + 15 and QR = 3(x + 15) = 3x + 45
sum the parts and equate to 245
x + x + 15 + 3x + 45 = 245 , that is
5x + 60 = 245 ( subtract 60 from both sides )
5x = 185 ( divide both sides by 5 )
x = 37
then
PQ = x = 37 Km
Answer:
A quick way to calculate upper and lower bands is to halve the degree of accuracy specified, then add this to the rounded value for the upper bound and subtract it from the rounded value for the lower bound.
Answer:
Step-by-step explanation:
The product of two numbers is always rational.
Answer:
yes
Step-by-step explanation:
A quadratic function has the general form
fx) = ax² + bx + c ( a ≠ 0 )
f(x) = x² - 2x + 3 ← is in this form and is a quadratic function
