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Tema [17]
3 years ago
15

The expression means the product of 5 and the difference of three times r minus 10. If r = 4, the value of the expression is

Mathematics
2 answers:
Gelneren [198K]3 years ago
8 0

Answer:

10

Step-by-step explanation:

5 · (3r - 10)

If r = 4, this expression becomes 5 · (3[4] - 10), or 60 - 50, or 10.

Natali5045456 [20]3 years ago
7 0

Answer:

the value of the expression is  10

Step-by-step explanation:

The expression means the product of 5 and the difference of three times r minus 10.

'r' represents the variable

three times 'r' is 3r

for minus 10, subtract 10 from 3r

3r-10

the product of 5 and the difference of three times r minus 10.

5(3r-10)

Now evaluate the expression when r=4

Plug in 4 for 'r' in the expression we got

5(3r-10)

5(3(4)-10)

5(2)

10

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