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Daniel [21]
3 years ago
6

Determine the number of triangles formed inside the polygon.

Mathematics
1 answer:
Gwar [14]3 years ago
5 0

Answer:

3 and 1

Step-by-step explanation:3 and 1 is meh guess

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G (r) = 25 – 3r<br> g(4) =
tensa zangetsu [6.8K]

Answer:

=25 - 3 × 4

= 25-12= 13

...............

8 0
3 years ago
Read 2 more answers
Help with 19??????????
Luba_88 [7]

Adding Integers

If the numbers that you are adding have the same sign, then add the numbers and keep the sign.

Example:

-5 + (-6) = -11

Adding Numbers with Different Signs

If the numbers that you are adding have different (opposite) signs, then SUBTRACT the numbers and take the sign of the number with the largest absolute value.

Examples:

-6 + 5= -1

12 + (-4) = 8

Subtracting Integers

When subtracting integers, I use one main rule and that is to rewrite the subtracting problem as an addition problem. Then use the addition rules.

When you subtract, you are really adding the opposite, so I use theKeep-Change-Change rule.

The Keep-Change-Change rule means:

Keep the first number the same.

Change the minus sign to a plus sign.

Change the sign of the second number to its opposite.

Example:

12 - (-5) =

12 + 5 = 17

Multiplying and Dividing Integers

The great thing about multiplying and dividing integers is that there is two rules and they apply to both multiplication and division!

Again, you must analyze the signs of the numbers that you are multiplying or dividing.

The rules are:

If the signs are the same, then the answer is positive.

If the signs are different, then then answer is negative.

6 0
3 years ago
What is the greatest common factor of 4k, 18k4, and 12? 2 4 2k 4k
photoshop1234 [79]

Answer:

Greatest Common Factor is 2

Step-by-step explanation:

Greatest Common Factor is the highest factor that will divide all the numbers. To find the Greatest common factor, first we need to find out the numbers that all the values have in common.

Factors of 4k=1, 2, 4 and k

Factors of 18k=1, 2 , 3, 6, 9, 18 and k

Factors of 12=1, 2, 3, 4, 6 and 12

Common factors are = 1 and 2.

Therefore,

Greatest Common Factor = 1\times2

                                           =2

8 0
3 years ago
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Solve the following system of equations.<br> 5x+2y =-6<br> 3x-2y = 22
katen-ka-za [31]

Answer:

5x+2y =-6 ........1

3x-2y = 22 ........2

Add both Equations

we get

8x = 16

Divide both sides by 8

x = 2

Substitute x = 2 into any of the equations

3(2) - 2y = 22

-2y = 22 - 6

- 2y = 18

Divide both sides by -2

y = - 9

x = 2 y = - 9

Hope this helps

6 0
3 years ago
Solve the system with substitution<br><br> 2.5x-3y=-13<br> 3.25x-y=-14
Serjik [45]

Answer: x= -4 , y= 1

Step-by-step explanation:

5 0
3 years ago
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