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3 years ago

11

Is it true that for linear growth the relative change is constant

1 answer:

dedylja [7]3 years ago

8 0

Linear growth happens at a constant rate of change. Each increase in x brings a constant increase in y. Exponential growth does not happen at a constant rate of change. Rather, there is a percent of change, so the rate of growth is changing.

(Here you go sorry if this didn’t help)

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Can someone please tell me the answer to this <br><br> Show me all your work and explain Please

sergeinik [125]

Answer:

25.67 ft

Step-by-step explanation:

5.5 ft/6 = x/28 (5.5 ft is to 6 what x is to 28) (cross multiply)

(5.5 * 28) / 6 = 25.67 ft

7 0

3 years ago

Jim is trying to improve his speed on the track so he can qualify for the State Championships. As he is running, he goes from 70

kumpel [21]

Answer:

His acceleration is $\frac{1}{15}$ meters per seconds²

Step-by-step explanation:

Acceleration is the rate of change of the speed

The formula of acceleration is $a=\frac{v_{f}-v_{i}}{t}$ , where

$v_{f}$ is the final speed
$v_{i}$ is the initial speed
The unit of the acceleration is meters/second²

∵ Jim goes from 70 meters/minute (beginning speed) to

106 meters/minute (final speed) in 9 seconds

∴ His initial speed $v_{i}$ = 70 meters/minute

- Change it the meter per second

∵ 1 minute = 60 seconds

∴ $\frac{70}{(1)(60)}=\frac{70}{60}=\frac{7}{6}$ meters/second

∴ $v_{i}$ = $\frac{7}{6}$ meters/second

∵ His final speed $v_{f}$ = 106 meters/minute

- Change it the meter per second

∴ $\frac{106}{(1)(60)}=\frac{106}{60}=\frac{53}{30}$ meters/second

∴ $v_{f}$ = $\frac{53}{30}$ meters/second

∵ The time of the change of his speed is 9 seconds

∴ t = 9

∵ The formula of acceleration is $a=\frac{v_{f}-v_{i}}{t}$

- Substitute the values of t, $v_{i}$ and $v_{f}$ in the formula above

∴ $a=\frac{\frac{53}{30}-\frac{7}{6}}{9}=\frac{1}{15}$

∴ His acceleration is $\frac{1}{15}$ meters per seconds²

3 0

3 years ago

Which one of the following measurements is equal to 12/16

BlackZzzverrR [31]

Answer:

what following measurements?

12/16=6/8

6/8=3/4

3/4=0.75

0.75=75%

Step-by-step explanation:

4 0

4 years ago

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lubasha [3.4K]

Answer:

D

Step-by-step explanation:

irdk sorry if its wrong :(

5 0

3 years ago

2x^2+2y^2+6x-8y+12=0

lord [1]

Answer:

see explanation

Step-by-step explanation:

The equation of a circle in general form is

x² + y² + 2gx + 2fy + c = 0

with centre = (- g, - f) and radius = $\sqrt{g^2+f^2-c}$

Given

2x² + 2y² + 6x - 8y + 12 = 0 ← divide through by 2

x² + y² + 3x - 4y + 6 = 0 ← in general form

Compare like terms

2g = 3 ⇒ g = $\frac{3}{2}$

2f = - 4 ⇒ f = - 2 and c = 6, thus

centre = ( - $\frac{3}{2}$ , 2 ) and

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= $\sqrt{\frac{9}{4}+4-6 }$ = $\sqrt{\frac{1}{4} }$ = $\frac{1}{2}$

6 0

3 years ago