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olga55 [171]
3 years ago
11

On a horizontal number line, the positive rational numbers are placed To the right of, To the left of, above or below zero, and

the negative rational numbers are placed To the right of, To the left of, above or below zero.
Mathematics
1 answer:
Fittoniya [83]3 years ago
5 0

The number line is oriented to the right. This means that the numbers get bigger as we travel to the right.

Since positive numbers (they don't need to be rational) are bigger than zero, and negative numbers are less than zero, the first lie to the right, and second to the left of zero.

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Given the Function:
sergey [27]
F(x)=-2e^x
x=3
f(3)=-2e^3
pemdas so exponents first
e^3
e=2.718281828454590
cube that
20.0855

now we have
-2 times 20.0855=-40.1711

answer should be -40.1711
(I see what you did wrong, if -6=-2 times e^3, divide -2, 3=e^3, maybe you just put -2 times 3 by mistake)
5 0
4 years ago
Read 2 more answers
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Vera_Pavlovna [14]
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3 0
3 years ago
An observer (O) spots a plane flying at a 42° angle to his horizontal line of sight. If the plane is flying at an altitude of 15
NeTakaya

Answer:

D. 22,417 feet

Step-by-step explanation:

Fine the diagram in the attachment for proper elucidation. Using the SOH, CAH, TOA trigonometry identity to solve for the distance (x) from the plane (P) to the observer (O), the longest side x is the hypotenuse and the side facing the angle of elevation is the opposite.

Hypotenuse = x and Opposite = 15,000feet

According to SOH;

sin 42^0 = \frac{Opposite}{Hypotenuse} \\\\Sin42^0 = \frac{15000}{x}\\ \\x = \frac{15000}{sin42^0}\\\\ \\

x = \frac{15000}{ 0.6691} \\\\x = 22,417 feet

Hence the distance (x) from the plane P to the observer O is approximately 22,417 feet

3 0
4 years ago
Can someone tell me the answer?
Sedaia [141]
You just have to divide the decimals
7 0
3 years ago
A stereo is marked down $75. If this is a 15% decrease, what was the original price for the stereo?
g100num [7]
The original price was $500
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15/100 x N =$75
n = $7500/15
n = $500
5 0
3 years ago
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