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IgorC [24]
3 years ago
9

Sarah's hair appointment is 30 miles away. How fast must she travel to get there in 60 minutes?

Mathematics
1 answer:
Fudgin [204]3 years ago
6 0

Answer:

30 miles an hour

Step-by-step explanation:

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Plssss help mee
Bogdan [553]
The relationship is linear.

The reason why is because each time x increases by 1, the value of y increases by 3. In other words, the slope is 3 and it is constant no matter what two points you pick
x = input
y = output

------------------------------

Extra Info:
slope = rise/run
slope = (change in y)/(change in x)
slope = 3/1
slope = 3
The y intercept is (0,6). Think backwards in terms of the pattern going on. 
Or you can plug m = 3 and (x,y) = (1,9) into y = mx+b and solve for b to get b = 6
8 0
3 years ago
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What is the inverse of x=4-4y+y^2
Zarrin [17]
To find invers
1. solve for y
2. replace y with xinverse

so

x=4-4y+y^2
reorder right side
x=y^2-4y+4
factor right side
x=(y-2)^2
squaer root both sides
+/-√x=y-2
add 2 to both sides
2+/-√x=y
switch x and y
2+/-√y=xinverse

xinverse=2+√y or 2-√y
subtract 4 from both sides






5 0
3 years ago
The dot on the number line represents which fraction?
Ad libitum [116K]

0 \times 8 = 0(2 \times 8 = 16)
4 0
3 years ago
If 5x - 2 = -12, then x =
yKpoI14uk [10]

Answer:

x = -2

Step-by-step explanation:

1) add 2 to both sides to eliminate -2.

5x = -10

2) divide both sides by 5.

x = -2

7 0
3 years ago
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Answer:

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