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allochka39001 [22]
3 years ago
6

How do you answer the equation -4r+11=4(1-r)+7?

Mathematics
1 answer:
kow [346]3 years ago
3 0

Answer:

Any value of  

r

makes the equation true.

All real numbers

Interval Notation:

(-Any value of  

r

makes the equation true.

All real numbers

Interval Notation:

( ∞ ,∞ )

Step-by-step explanation:

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Burros are amphibians, true or false?
Natasha_Volkova [10]

The given statement is False.

Amphibians are the animals that can live both in water and on the water. For example frog.

Burros are a pack of small donkey. They are found in North American deserts.

They don't live in water. Hence, Burros are not amphibians.

Therefore, the given statement is False.

3 0
4 years ago
Which point of concurrency is NOT always inside a triangle? Check all that apply. A. circumcenter B. incenter C. orthocenter D.
timama [110]

Answer:

Option A. is correct

Step-by-step explanation:

The circumcenter is a point of intersection of all the perpendicular bisectors of a triangle.

The incenter is a point of intersection of all the angle bisectors of a triangle.

The orthocenter is a point of intersection of all the altitudes of a triangle.

The centroid is a point of intersection of all the medians of a triangle.

The incenter, orthocenter, and centroid always lie inside a triangle.

However, a circumcenter does not always lie inside a triangle.

In an acute-angled triangle, the circumcenter may lie inside or outside the triangle.

So,

Option A. is correct

8 0
3 years ago
The durations of a random sample of 16 commercials are below (in seconds). find the mean, median, and mode of these durations. 3
UkoKoshka [18]
First arrange in ascending order of time:-

7, 8, 10, 12, 14, 15, 18, 20, 26, 30, 30, 30, 35, 35, 42, 55

MOde is the value occuring mos  = 30.

Median is the mean of 2 middle numbers = (20 + 26) / 2 = 23

Mean = sum of the 16 numbers  / 16  =  387/16  = 24.2
7 0
4 years ago
Is my answer for this question right?
SSSSS [86.1K]

Answer:

Yes did is go for it

Step-by-step explanation:

5 0
4 years ago
Solve each equation. Record your work and check your solution B. -6x-7=-1(-9+2x)
maw [93]

Answer:

x = -4

Step-by-step explanation:

So we start with the equation -6x - 7 = -1(-9 + 2x)

Then we distribute the -1 to the -9 and the 2x so we get:  -6x - 7 = 9 - 2x

Now we make the x-values on one side and the numbers on the other side like this:  

-6x + 6x - 7 - 9 = 9 - 2x + 6x - 9

-16 = 4x

Now we divide 4 / -16 which gives us x = -4

-16/4 = 4x/4

x = -4

Your welcome

4 0
3 years ago
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