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-Dominant- [34]
3 years ago
14

Please help urgent!!! i have attached a picture of the question

Mathematics
2 answers:
rusak2 [61]3 years ago
5 0
The length of EH would be 4.8
joja [24]3 years ago
4 0

Answer:

5

Step-by-step explanation:

12.5 is 2.5 greater than 5 so, 2 x 2.5 = 5

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Identify whether the equation represents an exponential growth or exponential decay function.1. y = 1/4 (1/e)^-2x2. y = (1/e)^4x
zvonat [6]

The general formula for exponential growth and decays is:

y=y_0e^{kx}

if k>0 then then it is an exponential growth function. If k<0 then the function represents an exponential decay.

Now we need to classify each of the functions:

1.

The function

y=\frac{1}{4}(\frac{1}{e})^{-2x}

can be wrtten as:

\begin{gathered} y=\frac{1}{4}(e^{-1})^{-2x}^{} \\ =\frac{1}{4}e^{2x} \end{gathered}

comparing with the general formula we notice that k=2, therefore this is an exponential growth.

2.

The function

y=(\frac{1}{e})^{4x}

can be written as:

\begin{gathered} y=(\frac{1}{e})^{4x} \\ y=(e^{-1})^{4x} \\ y=e^{-4x} \end{gathered}

comparing with the general formula we notice that k=-4, therefore this is an exponential decay.

3.

The function

y=2e^{-x}+1

comparing with the general formula we notice that k=-1, therefore this is an exponential decay.

5 0
1 year ago
G es to prove that if a, b, and c are integers, where a ≠ 0 and c ≠ 0, such that ac | bc, then a |
Alex Ar [27]
ac\mid bc means there exists an integer n such that ac=bcn. We can divide both sides by c because c\neq0. This implies a=bn for some integer, which is identically a\mid b.
3 0
3 years ago
The women’s heptathlon in the Olympics consists of seven track and field events: the 200-m and 800-m runs, 100-m high hurdles, s
SpyIntel [72]

Answer: Prokhorova is more outstanding.

Step-by-step explanation: To compare scores from different distributions, first standardize it:

z-score = \frac{x-\mu}{\sigma}

where

x is the individual mean you want to compare

μ is the mean of the population

σ is standard deviation

For <u>Gertrud Bacher</u>:

z-score = \frac{129-137}{5}

z-score = -1.6 (s)

The negative sign indicates Bacher's mean is less than the mean

For <u>Yelena Prokhorova</u>:

z-score = \frac{660-600}{30}

z-score = 2 (cm)

The positive sign indicates Prokhorova's mean is more than the mean.

Using z-score table, you determine the percentiles are:

For Bacher: Percentile = 5.5%

For Prokhorova: Percentile = 97.7%

Bacher's percentile means she is above 5.5% of the participants, while Prokhorova is 97.7% above the other competitors, which means Prokhorova have a better performance and deserves more points.

3 0
2 years ago
what types of correlation would be expected between distance run and calories burned? would this relationship be casual - positi
Jet001 [13]

Answer:

positive correlation, causal

negative correlation, not causal

negative correlation, causal

Step-by-step explanation:

6 0
2 years ago
Read 2 more answers
Eight more than the quotient of a number and 30
neonofarm [45]
Answer: 8+(x÷39) or (x÷30)+8
3 0
3 years ago
Read 2 more answers
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