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Inga [223]
2 years ago
8

PLEASE HELP!!! Complete the equation of the line through (4, - 8) and (8, 5) Use exact numbers. y =

Mathematics
1 answer:
Tema [17]2 years ago
8 0

Slope=(5--8)\(8-4)= 13\4

13\4(x-4)=y+8

13\4x-13-8 =y

13\4x-21=y

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one third of a land is on maize, a fifth of the remainder is on potatoes and the rest which is 0.5 ha is on beans. how much of t
disa [49]

Answer: 1250\ m^2

Step-by-step explanation:

Let x= Total land.

Then for Maize = \dfrac{x}{3}    

For Potatoes = \dfrac15(x-\dfrac {x}{3})=\dfrac15(\dfrac{2x}{3})=\dfrac{2}{15}x

For beans = x- (\dfrac{x}{3}+\dfrac{2}{15}x)=0.5 \ ha

\Rightarrow\ x- (\dfrac{5x+2x}{15})=0.5 \ ha\\\\\Rightarrow\ x- (\dfrac{7x}{15})=0.5 \ ha\\\\\Rightarrow\  \dfrac{15x-7x}{15}=0.5 \ ha\\\\\Rightarrow\  \dfrac{8x}{15}=0.5 \ ha\\\\\Rightarrow\  x=0.5\times\dfrac{15}{8} \ ha\\\\\Rightarrow\  x=0.9375 \ ha

1 ha = 10000.00 m²

0.9375 ha = 9375 m²

Land for potatoes = \dfrac{2}{15}(9375) =1250\ m^2

Hence, 1250\ m^2 of the land is on potatoes.

7 0
3 years ago
What is the slope of the line that passes through
den301095 [7]

Answer:

what does it pass through

7 0
2 years ago
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sdas [7]

Answer:

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7 0
3 years ago
Lyana is painting her bedroom. Her room is 12’ x 18’. The ceilings are 8 feet high. She will need to put two coats of paint on.
musickatia [10]

Answer:

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5 0
3 years ago
Read 2 more answers
Which of the following shows the extraneous solution to the logarithmic equation below?
azamat
We can simplify this equation using logaritmic rules. logx-logb  = log(x/b)

than our equation becomes.
log3((18x^3)/(2x)) = log3(144)   or
log3(9x^2) = log3(144)

for x= -4 we get that left side is equal to right side
log3(9*(-4)^2) = log3(144)

but if you put that value of x=-4 in start you will get log3(18(-4)^3) which is log of negative value which is imposible. That is why x=-4 is extraneous solution. 
7 0
2 years ago
Read 2 more answers
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