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Sedaia [141]
3 years ago
5

Write a slope- intercept equation for a line with given characters m=-4/5, passes through (-4,-5)

Mathematics
1 answer:
aleksandr82 [10.1K]3 years ago
6 0

\bf (\stackrel{x_1}{-4}~,~\stackrel{y_1}{-5})~\hspace{10em} \stackrel{slope}{m}\implies -\cfrac{4}{5} \\\\\\ \begin{array}{|c|ll} \cline{1-1} \textit{point-slope form}\\ \cline{1-1} \\ y-y_1=m(x-x_1) \\\\ \cline{1-1} \end{array}\implies y-\stackrel{y_1}{(-5)}=\stackrel{m}{-\cfrac{4}{5}}[x-\stackrel{x_1}{(-4)}]\implies y+5=-\cfrac{4}{5}(x+4) \\\\\\ y+5=-\cfrac{4}{5}x-\cfrac{16}{5}\implies y=-\cfrac{4}{5}x-\cfrac{16}{5}-5\implies y=-\cfrac{4}{5}x-\cfrac{41}{5}

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6 0
3 years ago
Read 2 more answers
If the mean of the data below is 3.8, find m<br>x 1 2 3 4 5 6<br>f 1 4 7 m 6 3​
zloy xaker [14]

Answer:

m = 1.8

Step-by-step explanation:

Given data is as follows :

x 1 2 3 4 5 6

f 1 4 7 m 6 3​

We need to find the value of m if the mean of the data is 3.8.

Mean = sum of observations/no. of observations

So,

3.8=\dfrac{1+4+7+m+6+3}{6}\\\\22.8=21+m\\\\22.8-21=m\\\\m=1.8

So, the value of m is equal to 1.8.

8 0
3 years ago
How many solutions does y=1/2x have
bezimeni [28]
The answer would be 1
5 0
3 years ago
Read 2 more answers
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34kurt
<span>alright it would have been easier if u took a pic but i think its a matching prob with choices A thro F:

Water boils at 212 degrees __________
 
A. Celsius Incorrect

Water boils at 100 degrees _________

B. Kelvin Incorrect

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C. Thermal Equilibrium Incorrect

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D. Thermal Energy Incorrect

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E. Absolute zero Incorrect

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F. Fahrenheit



So here are the correct matches:

</span>Water boils at 212 degrees __________F. Fahrenheit
 
Water boils at 100 degrees _________ A. Celsius

Water boils at 373 _______ B. Kelvin

Temperature at which all kinetic energy stops______E. Absolute zero 

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7 0
3 years ago
Suppose y= 2x - 2.25<br> Find x if y = 10
sukhopar [10]
Y = 2x - 2.25              y = 10
10 = 2x - 2.25
10 + 2.25 = 2x
12.25 = 2x
6.125 = x

hope this helps, God bless!
5 0
3 years ago
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