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OlgaM077 [116]
3 years ago
6

Evaluate: 39/y + 5y if x = 3 and y = 5.

Mathematics
2 answers:
pickupchik [31]3 years ago
8 0

Answer:

32.8

Step-by-step explanation:

We are given the expression:

39/y +5y

We know that y is equal to 5. Therefore, we can substitute 5 in for every y.

39/5 + 5(5)

Solve from left to right according to PEMDAS (Parentheses, Exponents, Multiplication, Division, Addition, Subtraction)

First, divide 39 by 5.

7.8+5(5)

Next, multiply 5 and 5

7.8+25

Finally, add 7.8 and 25

32.8

Lelu [443]3 years ago
3 0

<em>answer = 32.8 \\ solution \\  \frac{39}{y}  + 5y \\  =  \frac{39}{5}  + 5 \times 5 \\  =  \frac{39}{5}  + 25 \\  =  \frac{39 + 25 \times 5}{5}  \\  =  \frac{39 + 125}{5}  \\  =  \frac{164}{5}  \\  = 32.8 \\ hope \: it \: helps</em>

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