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Alla [95]
3 years ago
9

Order the following expressions by their values from least to greatest​

Mathematics
1 answer:
Licemer1 [7]3 years ago
4 0

Answer:

Step-by-step explanation:

a = -1

b = 2

c = 3

a + (-c) = -1 + (-3) = -4

Both numbers have same sign(-Ve).So add and the result will have the -Ve sign.

c - (-b) = c + b = 3 + 2 = 5

b = 2

Least to greatest: a +(-c)  , b , c-(-b)

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Hailey has $9 worth of nickels.
scZoUnD [109]

Answer:

180

Step-by-step explanation:

hailey has 180 nickels

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3 years ago
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There is a famous irrational number called Euler's number, symbolized with an e. Like π , its decimal fo rm never ends or repeat
defon

\sqrt{7} < e < \sqrt{8}=2\sqrt{2}

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3 years ago
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If y varies directly as x^2 and y = 72 when x =3, what is the value of y when x = 6?
Komok [63]

Answer:

288

Step-by-step explanation:

y \alpha x {}^{2}

then

y = kx {}^{2}

72=9k

dividing both side by 9

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6 0
4 years ago
Please show work Thxs
natta225 [31]
As the y intercept lies on the x-axis, x=0

To find the y-intercept, put x=0 into the equation:

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Therefore,the y-intercept=9.

Hope it helps!
5 0
4 years ago
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What is the distance between parallel lines whose equations are y = 2x + 7 and y = 2x – 3?
malfutka [58]

Answer:

The distance is \sqrt{20} or 2\sqrt{5}.

Step-by-step explanation:

Slope of parallel: 2

Slope of perpendicular: -1/2

Pick a point for y =2x + 7. For example (0,7)

Use the perpendicular slope to get to the other line to find the other point of y=2x-3. Look at the screenshot...I got (4,5).

Distance formula \sqrt{(x_{2}-x_{1} )^{2}+(y_{2} -y_{1})^2   }

Insert (0,7) and (4,5)

\sqrt{(0-4)^{2}+(7-5)^2   } = \sqrt{(-4)^{2}+(2)^2   } = \sqrt{(16)+(4)}  } = \sqrt{20}  = 2\sqrt{5}

6 0
3 years ago
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