Keisha bought 15 science fiction novels.
Step-by-step explanation:
Given,
Number of novels bought by Keisha = 24
Mystery novels = 3/8 of total novels
Mystery novels =
Mystery novels = 9
Let,
x represent the number of science fiction novels.
Mystery novels + Science fiction novels = Total novels
Keisha bought 15 science fiction novels.
Keywords: fraction, addition
Learn more about fractions at:
#LearnwithBrainly
Answer:
Step-by-step explanation:
to find the surface area we need to find the followng areas:
- area of a triangle and multiply it by 4 (because there are 4 triangles)
And once we have those areas, we add them to find the surface area.
Area of the square:
the formula to find the area of a square is:
where is the length of the side:
thus the area of the square is:
Area of the triangles:
the are of 1 triangle is given by
where is the base of the triangle: (the base of the triangle is the side of the square)
and is the height of the triangle:
thus, the area of 1 triangle is:
the area of the 4 triangles is (we multiply by 4):
finally we add the area of the square and the area of the 4 triangles to find the total surface area:
Answer:
The answer is: x < 1
Step-by-step explanation:
Answer: m=2/9
Step-by-step explanation:
m=1-3/-9-0
m=2/9
Answer:
4.
Step-by-step explanation:
18x^2- 32
= 2(9x^2 - 16)
= 2(3x + 4)(3x - 4)