Good morning,
Answer:
Step-by-step explanation:
h = altitude
side = a
using Pythagorean theorem: in the right triangle:
h² = a² - (a/2)²
= a² - a²/4
= 3/4a²
= [(√3/2)×a]²
⇒ h = (√3/2)×a.
:)
Answer:
b
Step-by-step explanation:
25*20*4=2000
40*10=400
2000-400=1600
Answer:
23.17
Step-by-step explanation:
40 - 16.83 = 23.17
She has this amount because she spent it
An expression is defined as a set of numbers, variables, and mathematical operations. The term that best describes 3 is coefficient.
<h3>What is an Expression?</h3>
In mathematics, an expression is defined as a set of numbers, variables, and mathematical operations formed according to rules dependent on the context.
The value of 3 in the expression, 9 + 4(x + 2) - 3x, is that it is the coefficient of x in the third term.
Hence, the term that best describes 3 is coefficient.
Learn more about Expression:
brainly.com/question/13947055
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Answer:
B
Step-by-step explanation:
