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Romashka-Z-Leto [24]
3 years ago
10

Mr. Heath is TRYING to grow his hair out! Currently, his hair is 0.25 inches long. Each month, it grows 0.5 inches. His goal is

to have hair that is 2.5 inches long. Let x be the number of months that Mr. Heath grows hair. Which of the equations represents Mr. Heath's hair growth journey? *
Mathematics
1 answer:
Triss [41]3 years ago
4 0

Answer: 0.25 + 0.5x = 2.5

Step-by-step explanation:

0.25 = the how long his hair is right now

0.5 = how much it grows each month

X= how many months it takes to reach 2.5 inches of hair

2.5= how long he'd like his hair to be

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390 X 1<br> 390 X 0.1<br> 390 X 0.01
marshall27 [118]
390
39
3.9
I think.....
7 0
4 years ago
Read 2 more answers
An easy question all wrong or unhelpful or no-work answers will be reported.
boyakko [2]
Substitution:
2x + (6(1/2x - 6)) = 19
2x + 3x - 36 = 19
5x - 36 = 19
+ 36
5x = 55
÷ 5
x = 11

y = (1/2 × 11) - 6
y = 5.5 - 6
y = -0.5

Elimination:
y = 1/2x - 6
- y
0 = 1/2x - 6 - y
+ 6
1/2x - y = 6

3x - 6y = 36
2x + 6y = 19
(add)
5x = 55
÷ 5
x = 11

y = (1/2 × 11) - 6
y = 5.5 - 6
y = -0.5

I hope this helps! Let me know if you need me to explain why I did some things :)

8 0
3 years ago
H6) Introducing different sized atoms into the crystal or grain can help prevent: Slip Corrosion Hardness Conductivity
Artemon [7]

Answer:

Step-by-step explanation:94

4 0
3 years ago
A marshy region used for agricultural drainage has become contaminated with a particular element. It has been determined that fl
kipiarov [429]

Answer:

8.49%

Step-by-step explanation:

x months

f(x) =\frac{x^2+64}{2x} 1 ≤ x ≤ 12

minimum: f'(x) = 0

f'(x) = (\frac{x^{2} +64}{2x})' = \frac{(x^{2} +64)'.2x - (x^{2} +64).(2x)'}{(2x)^2}= \frac{2x.2x-(x^{2}+64).2}{4x^{2} }  = \frac{4x^2 - 2x^2-64}{4x^2}=\frac{2x^2-64}{4x^2}

\frac{x^2-32}{2x^2} = 0 \\x^{2} -32 = 0\\x^{2} =32\\x = \sqrt{32}\\ x = 4\sqrt{2}

f(4\sqrt{2} ) = \frac{(4\sqrt{2})^2 +64}{2.4\sqrt{2} } = \frac{32+64}{8\sqrt{2} } = \frac{96}{8\sqrt{2} }=\frac{12}{\sqrt{2} }  = 6\sqrt{2} ≅8.49%

5 0
3 years ago
The base and altitude of a triangle are 24 m and 20 m respectively. Then the area of the triangle is _____
tigry1 [53]

Answer:

Then the area of the triangle is 240 m²

Step-by-step explanation:

Area of a triangle:

The area of a triangle is given by the multiplication of its height and altitude, divided by 2.

In this question:

Base = 24m, altitude = 20m. So

A = \frac{24*20}{2} = 24*10 = 240

Then the area of the triangle is 240 m²

4 0
3 years ago
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