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muminat
3 years ago
13

Which centers of a triangle must be located inside the triangle

Mathematics
1 answer:
sesenic [268]3 years ago
4 0
It is the centroid triangle
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It takes 36 minutes for 7 people to paint 4 walls. How long does it take 9 people to paint 7 walls?
algol [13]
It will take 49 minutes for 9 people to paint 7 walls
7 0
3 years ago
Fifteen more than twice a number is 9
Elden [556K]
2x+15=9
2x= -6
so the answer is -3
7 0
3 years ago
How would you solve y+1= -4x ? with a step by step solution
polet [3.4K]

Answer:

There are an infinite number of solutions.

Step-by-step explanation:

An equation with 2 unknowns give an infinite amount of solutions, here is just one of the many:

Let y= 3 ( y can be any number)

(3) + 1 = -4x

4 = -4x

x = -4/4

x= -1

(x;y) = (-1;3)

Generally x and y can be any number, just let x or y be any number, then find the other variable based on the value of the number u assumed.

3 0
3 years ago
Look carefully at the triangle solve for x ​
luda_lava [24]

The 3 inside angles of a triangle need to equal 180 degrees. Looking at the larger outside triangle the top angle is 30 and the lower right angle is 60.

30 + 60 = 90

The lower left angle needs to be 180 - 90 = 90 degrees.

That angle is split into two angles with one given as 70.

This means X needs to be 90 - 70 = 20 degrees.

x = 20

3 0
3 years ago
If you save one penny on January 1, two pennies on January 2, three pennies on January 3, and continue this pattern for one year
monitta
The given condition is an arithmetic sequence with the first term (a1) is 1 penny and the common difference (d) is 1 penny. A year that is not a leap year has 365 days (n). The arithmetic series (S) is calculated through formula,
 
                               S = (n/2) (2a1 + (n - 1) x d)

Substituting the known values,
 
                               S = (365/2) (2 x 1 + (365 - 1) x 1)
 
                               S = 66795 pennies

A dollar is 100 pennies. Therefore, at the end of the year, the total savings is $667.95.




4 0
3 years ago
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