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jarptica [38.1K]
3 years ago
5

Do i need to reverse the inequality symbol when i add the same positive number to or subtract the same positive number from both

sides of an inequality?
Mathematics
1 answer:
stira [4]3 years ago
6 0
No, You only reverse the inequality symbol when you divide by a negative number.
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What is the center and radius of the circle with equation (x + 9)2 + (y + 5)2 = 64?
muminat
Hello,

center (-9,-5)
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Answer A
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3 years ago
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A zoo collected data on the diving times of turtles. Based on the data, the regression line is j = 0.010 + 2.515x, where x is th
mariarad [96]

Answer:

6.298 meters

Step-by-step explanation:

Here, we are told that x is the time of the dive in minutes.

We simply first need to convert 150 seconds to minutes before substitution into the regression formula;

Kindly recall that 60 seconds = 1 minute

So 150 seconds will be 150/60 = 2.5 minutes

We now proceed to substitute into;

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i = 0.010 + 2.515(2.5)

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j = 6.2975 which go 3 decimal places is 6.298 meters

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3 years ago
What is the diameter of a hemisphere with a volume of 651 m^3, to the nearest tenth<br> of a meter?
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Answer: 13.5 m, hope this helps :)

5 0
3 years ago
What is the equation of the line that is used to show the reflection of a relation and its inverse?
Artyom0805 [142]

The graph and inverse of a function are reflections of each other along the line y = x.

A relation made up of ordered pairs (x, y) has as its inverse the set of all ordered pairs (y, x).

When a point is mirrored over the line y = x, the x- and y-coordinates swap places. Similarly, when a point is mirrored over the line y = -x, the x- and y-coordinates swap places and become negated.

Therefore,

The point (x, y)'s reflection over the line y = x is (y, x).

The point (x, y)'s reflection over the line y = - x is (-y, -x).

Thus, the graph and inverse of a function are reflections of each other along the line y = x.

Learn more about reflections for inverse of a function at

brainly.com/question/14544356

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5 0
1 year ago
Is negative 4.55 irrational?
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Answer:

no

Step-by-step explanation:

it can be made into a fraction

4 0
3 years ago
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