The right answer is first option: 7+21
Step-by-step explanation:
Given expression is;
7(1+3)
In mathematics, the term outside is multiplied by each term inside the bracket, therefore, in this expression;
The given expression 7(1+3) is equals to 7+21.
The right answer is first option: 7+21
Keywords: multiplication, addition
Learn more about addition at:
#LearnwithBrainly
X^2 - 13x + 40
as you know 40 = 5 x 8 or 40 = (-5) x (-8)
since -13x has -13 as coefficient so they should be (-5) and (-8)
x^2 - 13x + 40 = (x - 5)(x - 8)
(x - 5)(x - 8)
= x ^ 2 - 5x - 8x + 40
x ^ 2 - 13x + 40
so answer
D. (x - 5)(x - 8)
Answer:
-0.75
Step-by-step explanation:
Diagonal = s * sqrt 2.....with s(side) being 120 yds
diagonal = 120 * sqrt 2 = 169.7 yds rounds to 170 yds....or if u need it in feet, it is (3 * 170) = 510 ft.
