4 years ago

5(r-10)=51 what is r equal to?

Mathematics

2 answers:

fiasKO [112]4 years ago

5 0

Answer:

r=20.2

Step-by-step explanation:

Dafna1 [17]4 years ago

4 0

Answer:

Exact form; 101/5

Decimal form; 20.2

Mixed number form; 20 1/5

Step-by-step explanation:

divide both sides by the numeric factor on the left side then solve.

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A pole that is 12 feet tall casts a shadow

amid [387]

3.375 because 9 is 3/4th of the 12 so you would divide 4.5 by 4 and multiply by 3 and it gives you 3.375

8 0

3 years ago

If n=3 then what is (4n-2) (7-2)

babymother [125]

The value of equation when n = 3 is 50

Solution:

Given equation is:

$(4n -2)(7-2)$

We have to find the value of equation when n = 3

By plugging in n = 3 in given equation we can find the value of given equation

Substitute n = 3 in given equation

$\rightarrow (4(3) -2)(7-2)\\\\Solve\ the\ above\ equation\\\\\rightarrow (12-2)(7-2)\\\\\rightarrow (12 - 2)(5)\\\\Simplify\ the\ above\ equation\\\\\rightarrow 10 \times 5 = 50$