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alisha [4.7K]
3 years ago
10

Use the graph below to answer the following question.

Mathematics
1 answer:
zlopas [31]3 years ago
6 0

Answer:

Ce_2(SeC_4)_2 is least soluble at high temperatures.  

Step-by-step explanation:

The compound that has least solubility when the temperature increases is the one that has the least value along y-axis <em>(solubility)</em> for greater values along x- axis <em>(temperature).</em>

From the graph we see that KNO_3 is most soluble at high temperatures <em>(in fact its solubility increases with increase in temperature)</em>, and Ce_2(SeC_4)_2 is least soluble for high temperatures <em>(its solubility decreases with increase in temperature) .</em>

Thus,<em> </em>Ce_2(SeC_4)_2 is least soluble at high temperatures.

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Examine the data below for a stalk of corn. Logarithmic regression Use logarithmic regression to find an equation of the form y
masya89 [10]

The value of <em>a</em> and <em>b</em> for the data values of stalk of corn using the logarithmic regression is -76.2038 and 37.6735 respectively.

<h3>What is logarithmic regression?</h3>

Logarithmic regression is a type of regression which is used to model the statement in which the growth or decay initially at rapid rate, and then slow down with respect to time.

The data of the table for the day and height of the stalk of corn is listed below.

Day (<em>x</em>)                9    12    22    40    

Height (<em>y</em>) in        5    17    45    60  

Mean of x values,

m_x=\dfrac{9+12+22+40}{4}\\m_x=17.5581

Mean of y values,

m_y=\dfrac{5+17+45+60}{4}\\m_y=31.75

For the above table, the value of correlation coefficient is 0.99133. For these values, the logarithmic regression can be given as,

y = -76.2038+37.6735\ln(x)

Compare it with the following logarithmic regression equation, we get

y = a+b\ln(x)

a=-76.2038\\b=37.6735

Hence, the value of <em>a</em> and <em>b</em> for the data values of stalk of corn using the logarithmic regression is -76.2038 and 37.6735 respectively.

Learn more about the logarithmic regression here;

brainly.com/question/25226042

5 0
2 years ago
What is the value of k in the equation 5k-2k=12
Mamont248 [21]

Answer:

k =4

Step-by-step explanation:

5k-2k=12

Combine like terms

3k = 12

Divide each side by 3

3k/3 = 12/3

k = 4

5 0
4 years ago
Read 2 more answers
Suppose that two cards are randomly selected from a standard​ 52-card deck. ​(a) what is the probability that the first card is
Savatey [412]
(a) without replacement:
P(S)=13/52=1/4
P(SS)=(1/4)*(12/51)=1/17
Probability of selecting two spades without replacement is 1/17.

(b) with replacement
P(S)=13/52=1/4
P(SS)=(1/4)(13/52)=1/16
Probability of selecting two spades with replacement is 1/16.
8 0
3 years ago
What is the difference of the fractions? Use the number line to help find the answer
alisha [4.7K]

Answer:

-7/10

Explanation:

Given the expression

\frac{1}{2}-1\frac{1}{5}

We can rewrite the expression as:

\frac{1}{2}-\frac{6}{5}=\frac{5}{10}-\frac{12}{10}

The number line showing the location of the two numbers is attached below. Therefore:

\frac{5}{10}-\frac{12}{10}=-\frac{7}{10}

7 0
1 year ago
Help I don’t no question 1
alukav5142 [94]

Answer:

The answer would be D+ 38.4 cm

Step-by-step explanation:

You would do 1.6 cm times 24

5 0
3 years ago
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