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Nataly [62]
4 years ago
6

Explain two different waysto find the difference for 12-3

Mathematics
1 answer:
sergey [27]4 years ago
3 0
One way: subtract 12-3 =9 
the other way sub in and make equations
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Given triangle MNP is isosceles and the two base angles are 6yº and (8y - 16)º. What is the measure of each base angle? (Hint: S
zvonat [6]
Two angles are equals.

Suppose they are 6y.

Then 6y + 6y + 8y - 16 = 180
20y = 180 +16
20y = 196
y = 9.8

Then one base angle is 6*9.8 = 58.8°

And the other base angle is 8(9.8) - 16 = 62.4.

Now suppose that the two equal angles are 8 y -16

Then 8y -1 6 + 8y - 16 + 6y = 180

Then 16y - 32 = 180

16y = 180 + 32
16y = 212
y = 13.25

One angle is 6(13.25) = 79.5

And the other is 8(13.25) - 16 = 90

This last solution is imposible.

So the answer is 58.8 and 62.4

 
7 0
4 years ago
What values of the variable cannot possibly be solutions for the given equation, without actually solving the equation?
Ne4ueva [31]

Answer:

the solution to the equation is 8.  Any value apart from 8 is not a solution

Step-by-step explanation:

Given the equation

6/3x+2 - 1/x-4 = 0

6/3x+2 = 1/x-4

Cross multiply

6(x-4) = 3x+2

6x - 24 = 3x+2

6x-3x = 2 + 24

3x = 24

x = 24/3

x = 8

Hence the solution to the equation is 8.  Any value apart from 8 is not a solution

6 0
3 years ago
18)
kondor19780726 [428]
If the circumference of a circle is changed from 9 cm to 3 cm, then the diameter decreases by a factor of 3.
7 0
3 years ago
Determine if the triangles below are similar and explain.
saw5 [17]

Answer:

The answer would be C the triangles are not similar

Step-by-step explanation:

3 0
3 years ago
Yall please help meee
madam [21]

Answer-

x=0;y=3

x=1;y=-1

x=2;y=-5

x=3;y=-9

7 0
3 years ago
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