Answer: D.
Step-by-step explanation:
The way to know if it is “greater than or equal to” opposed to jsut greater than is to look at the dot. If it is filled in it is “equal to” if not it isn’t.
Hello
x² + 2x + 1 < 0 ⇔ (x + 1)² < 0
S = {∅} because a² ≥ 0
When you're subtracting negatives, you're adding them so... Here's a tip:
-9 - (-83)
So..
-9 + (-83) = -92
The right answer is Option A.
Step-by-step explanation:
Given,
Heart rate goal = I
Heart rate reserve = H
70% of H =
Resting heart rate = R
According to given statement,
70% of heart rate reserved is added to resting heart rate to calculate heart rate goal, therefore,
I = R + 0.7H
I=R+0.7H represents the given situation.
The right answer is Option A.
Keywords: linear expression, addition
Learn more about addition at:
#LearnwithBrainly
Answer:
The area of that triangle is 28 square inches.
Explanation:
You must choose a height that is perpendicular to the base.
In that case, the height 8 inches is perpendicular to the base 7 inches.
8 inches x 7 inches= 56 inches.
Since the formula for a triangle is base x height divided by 2, we divided 56 by 2
56 divided by 2 = 28
So the area is 28 square inches
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