<h3>
Answer: Sometimes true</h3>
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Explanation:
-8+d is positive only when d > 8
Here's why
-8+d > 0
-8+d+8 > 0+8 .... add 8 to both sides
d > 8
So if Jessica said "d is greater than 8", then her claim would always be correct.
However, her claim is sometimes true.
Two counter examples could be when d = 1 and d = 2.
If d = 1, then -8+d = -8+1 = -7 which isn't positive.
If d = 2, then -8+d = -8+2 = -6 which also isn't positive.
Basically if d is anything smaller than 8, then you'll have -8+d be negative.
If d is something larger than 8, say d = 9, then -8+d = -8+9 = 1 which is finally positive.
What's factoring 8 but not a multiple of 4. 8 and 4
Answer:
r = 3.2
Step-by-step explanation:
If A varies inversely with the square of r, then A = kr^2
75 = k*4^2 = 16k
k = 75/16
Now A = (75/16)*r^2
48 = (75/16)*r^2
r^2 = 48(16/75) = 256/25
r = 
= 16/5 = 3.2
The patient should take 6 tablets of vitamin B12 per day.
By applying the Tan trigonometric formula, the value of the tangent for angle A is equal to: A. 3√91/91.
<h3>How to find the value of the tangent for <A?</h3>
In order to determine the value of the tangent for <A, we would apply Pythagorean theorem:
AB² = AC² + BC²
40² = AC² + 12²
AC² = 1600 - 144
AC = √1456
AC = 4√91 in.
Now, we can determine the value of the tangent for <A by applying the Tan trigonometric formula:
TanA = Opp/Adj
TanA = BC/AC
TanA = 12/4√91
TanA = 3√91/91.
Read more on trigonometry functions here: brainly.com/question/4515552
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