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Verdich [7]
3 years ago
11

5(x + 8) + x + y; x=3 and y=30

Mathematics
2 answers:
Thepotemich [5.8K]3 years ago
6 0
Plug in 3 for x and 30 for y

5(3 + 8) + 3 + 30

Use PEMDAS

5(11) + 3 + 30

55 + 33

88 

88 is your answer

hope this helps
emmainna [20.7K]3 years ago
4 0
Substitute the variable's values for the variables themselves.

5(x + 8) + x + y =>
5(3 + 8) + 3 + 30

Use the order of operations to simplify this expression.

5(3 + 8) + 3 + 30
5(11) + 3 + 30
55 + 3 + 30
58 + 30
88

So, the answer is 88.
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Can someone explain to me the meaning of x<-10
AlexFokin [52]

Answer:  x<-10

Step-by-step explanation:

the < in the math equation means that the number to the right is greater than the number to the left.   x can not be -10 it has to be lower (smaller).

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4 years ago
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The numerator of a fraction (which is in its simplest form) is 5 less than the denominator. If the numerator is multiplied by 2,
timama [110]
N = d - 5

2n/(d + 16) = n/d - 1/3 n/d
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Here's the tricky part.
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Let's see if it checks out.
n = 3
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3 0
3 years ago
X^12y^-13x^-5y^ 4 is equivalent to x^m y^n
mote1985 [20]

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x^7y^-9

Step-by-step explanation:

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The original price of a phone was reduced by $200.
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devi bought 7 skirts at x$ each n skirts at 12$ each 2n +1 at 15 each a nd 4 skirts at $3x find the total
nikitadnepr [17]

Answer:

$(19x + 42n + 15)

Step-by-step explanation:

Devi bought 7 skirts at $x each, n skirts at $12 each, (2n + 1) skirts at $15 each and 4 skirts at $3x each. Find the total cost of the skirts she bought.​

total cost of the skirt bought can be determined by adding the  total costs of each shirt bought

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combine like terms

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7 0
3 years ago
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