(A) 4(x+5). Distribute the 4 (multiply both numbers by 4) and you get
4x+4*5
4x+20
(B) 70 km/h * y hours is 70y km, because you traveled 70 km every hour, so it's 70 times y.
6/8 on other goods+1/8 on bread=7/8 used
21/24
He had 24 pounds of flour in his supply
Answer:
Proved
Step-by-step explanation:
Given
Prove that
Multiply the numerator and denominator by 1 + sinx
Combine both fractions to form 1
Expand the denominator using difference of two squares;
The expression becomes
From trigonometry;
The expression becomes
Divide the numerator and the denominator by cos x
Split fraction
From trigonometry;
So;
=
Answer:
Point B is 3/4
Step-by-step explanation:
the number line is split into fourths. Therefore, it is 3/4