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hichkok12 [17]
2 years ago
8

If you could help I would appreciate it I

Mathematics
2 answers:
dusya [7]2 years ago
4 0

Answer:

2

Step-by-step explanation:

i used a calculator and the rounded

Alecsey [184]2 years ago
3 0

Answer:

60

Step-by-step explanation:

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11x + 2y = 68 & 5x + y = 13
matrenka [14]

Answer:

i hope its correct

Step-by-step explanation:

11x + 2y=68 ------------1

5x+y=13 ------------2

y= 13-5x. ------------3

put 3 into 1

11x +2(13-5x) =68

11x +26 -10x =68

x=42

put x =42 into 2

5(42) +y =13

210+y=13

y=13-210

y=197

4 0
3 years ago
A. How many lines of symmetry does a regular polygon have? B. Give a rule for the number of lines of symmetry in a regular polyg
astra-53 [7]
A regular polygon has about 5 lines of symmetry. The number of lines of symmetry is equivalent to the number of sides.
6 0
3 years ago
What value(s) of x will make each equation below true
Dahasolnce [82]

We need to solve for x. Let's try problem b:

2x-6=3x+1-x-7

Let us first combine line terms. 3x and -x as well as 1 and -7 can be combined. Let's do that:

2x-6=2x-6

Since this is true, your answer would be:

All real numbers

------------------------------------------------------------------

Let's solve for problem c:

3x+1=43

Let's isolate x, so subtract 1 from both sides:

3x=42

Since x can't have a coefficient, divide both sides by 3:

\frac{3x}{3}=\frac{42}{3}

x=14

So, only the value of 14 would make this equation true.

------------------------------------------------------------------

Let's try problem d:

4x-1=4x+7

Let's get our whole numbers on the right side. Add 1 to both sides:

4x=4x+8

Subtract 4x from the right side on both sides:

0=8

Since this is not true, your answer would be:

No solution

7 0
3 years ago
Serengetectorupid 2013
Paha777 [63]

Answer:

32

Step-by-step explanation:

4 0
2 years ago
I need help with these questions
Katen [24]
The answer is c! As CBA & ZXY is not only a full triangle, but its written incorrectly.

ABC → CBA
XYZ → ZYX (not ZXY)
8 0
2 years ago
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