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Leno4ka [110]
2 years ago
15

I’m pretty sure I’m wrong PLSSSS HELP

Mathematics
1 answer:
koban [17]2 years ago
3 0
Your answer is definitely right good job
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Find the y-intercept of the line on the graph.<br>​
pantera1 [17]

Answer:

The y-intercept is at (0,2)

Step-by-step explanation:

If you loom at the vertical line in bold on the graph, you will see that the blue line is going through the y-axis.

4 0
3 years ago
The fish population of Lake Collins is decreasing at a rate of 5% per year. In 2004 there were about 1,350 fish. Write an expone
ad-work [718]

Answer:

Part 1) The exponential function is equal to y=1,350(0.95)^{x}

Part 2) The population in 2010 was  992\ fish

Step-by-step explanation:

Part 1) Write an exponential decay function that models this situation

we know that

In this problem we have a exponential function of the form

y=a(b)^{x}

where

y ----> the fish population of Lake Collins since 2004

x ----> the time in years

a is the initial value

b is the base

we have

a=1,350\ fish

b=(100\%-5\%)=95\%=0.95

substitute

y=1,350(0.95)^{x} ----> exponential function that represent this scenario

Part 2) Find the population in 2010

we have

y=1,350(0.95)^{x}

so

For x=(2010-2004)=6\ years

substitute

y=1,350(0.95)^{6}=992\ fish

7 0
3 years ago
A local grocer wants to find out whether how many mixed flower bouquets in his inventory everyday. To that end, kept records of
Alenkinab [10]
Given:
n = 27, sample size
df = n-1 = 26, degrees of freedom
xb = 11.8, sample mean
s = 2.3, sample standard deviation.

Because population statistics are not known, we should use the Student's t-distribution.
At 99% confidence interval, the t-value = 2.779 (from tables).
The confidence interval is
11.8 +/- 2.779*(2.3/√(27)) = 11.8 +/- 1.23 = (10.57, 13.03)

Answer: (10.6, 13.0) to the nearest tenth
7 0
2 years ago
There are nine teddy bears in the diagram below. How many TOTAL squares are<br> there?
IgorC [24]

Answer: 14

Step-by-step explanation: 9 small squares with one teddy bear in each, 4 medium squares with 4 bears in each medium square, and 1 big square for the entire thing.

6 0
3 years ago
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The Quick Slide Skate Shop sells the Ultra 2002 skateboard for a price of $85.95. However, the Quick Slide Skate Shop is offerin
olya-2409 [2.1K]
The answer is B Because I am smart
8 0
2 years ago
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