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KatRina [158]
4 years ago
13

Help out please thank you

Mathematics
1 answer:
Helga [31]4 years ago
3 0

Answer:

x = 26

Step-by-step explanation:

The three angles form a straight line, so they will sum to 180

4x - 8  + 34  + 76- x = 180

Combine like terms

3x+ 102 = 180

Subtract 102 from each side

3x+102-102 = 180-102

3x= 78

Divide each side by 3

3x/3 = 78/3

x = 26

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Mrs. Smith is having a birthday party for her grandson. 75 people will be there. If 3/5 of them are bringing desserts and 1/5 ar
Mandarinka [93]

Answer:

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8 0
3 years ago
<img src="https://tex.z-dn.net/?f=%20%7B5y%20%7D%5E%7B2%7D%20%20%2B%203xy%20-%202x%20%5C%3A%20when%20%5C%3A%20x%20%3D%204%20%5C%
Karolina [17]

Put the values of x = 4 and y = -2 to the expression 5y² + 3xy - 2x.

Use PEMDAS:

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E Exponents (ie Powers and Square Roots, etc.)

MD Multiplication and Division (left-to-right)

AS Addition and Subtraction (left-to-right).


5(-2)^2+3(4)(-2)-2(4)=5(4)-24-8=20-24-8=-12

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