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Taya2010 [7]
3 years ago
12

The height of a sunflower increases from 82 cm to 1 metre in a week. Find the percentage increase in height.

Mathematics
1 answer:
vichka [17]3 years ago
7 0
So, the sunflower is increasing from .82 meters to 1 meter.  This is a .18 meter increase. We need to figure out what percent of 82 18 is.  We do this by dividing 18 by 82 and multiply the result by 100 to get a percent.  This equals 21.95%
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A golf ball is hit off a tee toward the green. The height of the ball is modeled by the function h(t) = −16t2 + 96t, where t equ
Ierofanga [76]

Answer:

t = 3; It takes the ball 3 seconds to reach the maximum height and 6 seconds to fall back to the ground.

Step-by-step explanation:

To find the axis of symmetry, we need to find the vertex by turning this equation into vertex form (this is y = a(x - c)² + d where (c, d) is the vertex). To do this, we can use the "completing the square" strategy.

h(t) = -16t² + 96t

= -16(t² - 6t)

= -16(t² - 6t + 9) - (-16) * 9

= -16(t - 3)² + 144

Therefore, we know that the vertex is (3, 144) so the axis of symmetry is t = 3. Since the coefficient of the squared term, -16, is negative, it means that the vertex is the maximum. We know that it takes the golf ball 3 seconds to reach the maximum height (since the t value of the vertex is 3) and because the vertex is on the axis of symmetry, it would take 3 more seconds for the ball to fall to the ground, therefore it takes 3 + 3 = 6 seconds to fall to the ground. The final answer is "t = 3; It takes the ball 3 seconds to reach the maximum height and 6 seconds to fall back to the ground.".

6 0
3 years ago
a girl is snorkeling 1 meter below sea level and then dives down another 0.5 meter. How far below sea level is the girl?
zalisa [80]
The answer is 1.5 meter depth. 
6 0
3 years ago
Segment AE is congruent to segment EB
Rudiy27
EF for sure u got to really pay attention to the inches
5 0
3 years ago
Given that a triangle has two sides of lengths 5 inches and 7 inches, which is a possible length of the third side?
victus00 [196]

Answer:

big poop face looking butt with a massive forehead poopy duck dipers

Step-by-step explanation:

↑∴↔↔⇔⇔³∛÷≈≤≥≥β⇵⊕⊕¬⊕⊕⊕⊕⊕⊕¬∪∪⊥∡∠°∞㏒㏑∡Ф⇒⇒√³π∫↓∵∴∴\lim_{n \to \infty} a_n  \lim_{n \to \infty} a_n \neq \sqrt{x} x^{2} x^{2} \geq \geq \pi \frac{x}{y} and thats why it is big poop face looking butt with a massive forehead poopy duck dipers

3 0
3 years ago
How to write a real-world situation that could be modeled by the equation 3 2/3x=5/6x-7/8?
Pachacha [2.7K]
I hope this helps you

8 0
3 years ago
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