23.
Work:
5(6)-7
5(6)=30
30-7=23
Answer: the zeros are -3, -3 and 5
Multiplicity is 2
Step-by-step explanation:
Answer:
9.8 ( to the nearest tenth )
Step-by-step explanation:
calculate the distance using the distance formula
d = √( x₂ - x₁ )² + ( y₂ - y₁ )²
with (x₁, y₁ ) = (- 7, - 5) and (x₂, y₂ ) = (- 3, 4)
d =
=
=
= 9.8
Answer:
31.7 cm²
Step-by-step explanation:
The area (A) of the triangle is calculated as
A =
absinC
where a, b are the 2 sides given and C the angle between them
∠ C = 180° - (72 + 59)° = 180° - 131° = 49° , thus
A = 0.5 × 12 × 7 × sin49° ≈ 31.7 cm² ( to 1 dec. place )
These two have different denominators, so you find the least common multiple. This problem goes to be 2/8+5/8, which equals 7/8。