What is the slope of a line that is parallel to the line represented by the equation y = -2/5x + 4/5

Mathematics

2 answers:

AleksandrR [38]2 years ago

8 0

If x= 2 y=0
x=1 y=2/5

Viefleur [7K]2 years ago

7 0

The slope of <span>y = -2/5x + 4/5</span> is -2/5

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Find the value of x^2 + 1 divided by x^2 if x-1 divided by x =5

MrRa [10]

Answer:

x^2+1/x^2

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Step-by-step explanation:

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3 years ago

If 1 cm represents 30 km on a map and colorado is shown by a 20cm by 15 cm rectangle on the map, what is the approximate actual

zubka84 [21]

Answer:

20*30km = 600km

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Step-by-step explanation:

assuming 1cm --- 30km causes that 2cm --- 60km, 3cm --- 90km, 4cm --- 120km etc. Notice that number of km's is 30 times greater than the number of cm's on a map

using this logic, you calculate both real dimensions of Colorado by multiplying 20*30 = 600 km and 15*30 = 450km

Then we use a formula of an area of a rectangle $A=a\cdot b$ assuming $a=600km, \ b=450km$ and get $A=600\cdot 450=270000km^2$ which is an actual area of Colorado