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uranmaximum [27]
3 years ago
10

PLEASE HELP ME WITH THSE TWOOO

Mathematics
2 answers:
Rudik [331]3 years ago
4 0

Answer:

1. 11

2. -4.3

Step-by-step explanation:

I added both of the terms together and determined these answers. Negatives can be confusing but if there is something like this: -(- then imagine it as a +. That makes it easier and you can find them just as easy as you once had in simpler times! Hope this helps!

tigry1 [53]3 years ago
3 0

Answer:

11

-4.3

Step-by-step explanation:

-14-(-25)

-14+25                          subracting a is adding

25-14=11            

-12.5-(-8.2)

-12.5+8.2

8.2-12.5=-4.3

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M is the centroid (center of gravity) of △ABC, line k goes thru M and intersects AB and AC . The distances of the vertices B and
lana [24]

Answer:

  30

Step-by-step explanation:

The midpoint of BC will be a distance from line k that is the average of the distances of B and C: (17+13)/2 = 15. Call that midpoint P. We know distance MP is half of distance MA. This same relationship will hold with respect to the distances from P and A to any line through M. That is, the distance from line k (through M) is twice the distance from P to line k: 30 units.

5 0
3 years ago
Nick started 60% of his team's football games this year he started in a total of 12 games
mrs_skeptik [129]

Answer:

20

Step-by-step explanation:

3 0
3 years ago
Solve each of the following equations for xx using the same technique as was used in the Opening Exercise.
Brrunno [24]

Answer:

The value of the x is 1/9.  

Step-by-step explanation:

Data provided in the question is:

3^2/x=81

To find out:-        

the value of x.

Solution for the equation:-    

3^2/x = 81\\9/x=81\\9/81=x\\1/9=x\\

On solving the given question or equation by using  mathematics of algebra we find out the value of x to be 1/9.

7 0
3 years ago
a grandmother says her grandson is two years older than her granddaughter and that together, they are at least 12 years old. how
vfiekz [6]

Hello There!

As for this problem, we would have to set up an equation in order to determine the missing age. We would do this because we want to find the missing age and by setting up an equation it will help find the age easier, as opposed to manually calculating it. With that said, let's begin to solve.

First, we would create an equation based on what the question says, which would look as:

x + x + 2 = 12

2x + 2 = 12

Subtract two from both sides.

2x = 10

The grand daughter is 5 years old and since the grandson is two years older he is 7.

Thus,

The age of the granddaughter is 5

The age of the grandson is 7


7 0
3 years ago
The Taylors have recorded their weekly grocery expenses for the past 12 weeks and determined that the mean weekly expense was ​$
SVETLANKA909090 [29]

Answer:

$84.80

Step-by-step explanation:

find the difference between accurate price and written price: 74 - 47 = 27

find written total (before Mrs. Taylor found mistake) by undoing the mean calculation: 82.55 x 12 = $990.60

the total expenses is $27 more than what they thought: 990.60 + 27 = 1017.60

divide accurate total by 12 to find mean: 1017.60 / 12 = $84.80

hope this helps :)

4 0
3 years ago
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