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stellarik [79]
3 years ago
12

Define a signed numbers for math.

Mathematics
1 answer:
MakcuM [25]3 years ago
7 0
A signed number is a number preceded by either a + sign (indicate a positive number) or a - sign (indicates a negative number)
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Anna spent $12.25 on lunch. she wanted to leave a 20% tip for good service. how much should she leave...$0.24, $2.46, or $24.00?
vfiekz [6]
$2.46

12.25 x .20 = 2.46


5 0
3 years ago
Find the average rate of change for the function over the given interval.
jekas [21]

Answer:

The average rate of change for the function over the given integral

A(x) = \frac{e^{-2} -1}{2}

Step-by-step explanation:

Explanation

<u>Average rate of a functio</u>n:-

<u>We can define the average rate of change of a function from a to b</u>

<u></u>

A(x) = \frac{f(b)-f(a)}{b-a}

Given function f(x) = eˣ

Given interval      x = a = -2   and y = b = 0

f(a) = f(-2) = e⁻²

f(b) = f(0) = e⁰

A(x) = \frac{e^{-2} -1}{0-(-2)}

The average rate of change for the function over the given integral



6 0
2 years ago
Help me out thank u !!!!!
AlekseyPX

Answer:

<u>6.2 = Altitude</u>

Step-by-step explanation:

Hypotenuse = 8

Base = 5

Altitude = x

Hypotenuse² = Base² + Altitude²

8² = 5² + Altitude²

64 = 25 + Altitude²

64 - 25 = Altitude²

39 = Altitude²

√39 = Altitude

<u>6.2 = Altitude</u>

6 0
3 years ago
5y +2 -4y I need help
Yuliya22 [10]

Answer:

Simplified- 1y+2 or y+2

Step-by-step explanation:

To simplify this equation, subtract the common variables.

(5y-4y)+2

This turns into..

1y+2 or y+2

3 0
2 years ago
Which expression is equivalent to<br> (3x2-7)
allsm [11]
There aren’t any choices. Message me with them or with more information so I can answer this for you.
8 0
3 years ago
Read 2 more answers
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