MATHEMATICS HIGH SCHOOL

What is the value of x in the equation 3x – 1/9y = 18, when y = 27?1

Answers

Answer 1

Answer: 3x-3=18
3x=18+3
3x=21
x=7

Answer 2

Answer:

Answer:

positive 7

Step-by-step explanation:

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Please help 6n^2-5n^2-7n^2 simplify the expression

Answers

Since 6n^2 and −5n^2 are like terms then add −5n^2 to 6n^2 to get n^2.

n^2−7n^2

Since n^2 and −7n^2 are like terms then add −7n^2 to n^2 to get −6n^2.

The answer is −6n^2

Find the area of a regular octagon with apothem K and side of 10.40K
60K
80K

????

Answers

Answer: 40K

Step-by-step explanation:

We know that the area of a regular polygon is given by :-

$A=(1)/(2)*Apothem*Perimeter$

Given: The side of regular octagon = 10

Then, the perimeter of the regular octagon = $8(side)=8(10)=80$

Now, the area of given regular octagon is given by :-

$A=(1)/(2)*K*80\n\Rightarrow\ A=40K$

What is the product if 3/5 and 10

Answers

The product of $(3)/(5)$ and $10$ is 6.

This is the product of 3/5 and 10 is 6

Find an equivalent function to f(x) = 5(3)3x. f(x) = 125x(27)x
f(x) = 152x
f(x) = 5(27)x
f(x) = 135x

Answers

If you would like to find an equivalent function to f(x) = 5(3)^(3x), you can do this using the following steps:

f(x) = 5(3)^(3x) = 5(3^(3x)) = 5(27)^x = 5(27)x

The correct result would be f(x) = 5(27)x.

Answer:

The correct result would be f(x) = 5(27)x.

Step-by-step explanation:

Lin rode a bike 20 miles in 150 minutes. She rode at a constant speed. How long did it take her to ride 6 miles

Answers

Answer: 45 minutes

Step-by-step explanation:

She rides 150/20 minutes per mile which is 7.5 minutes per mile. So it would take her 45 minutes to ride 6 miles because 6 × 7.5 = 45.

the balance in joans savings account tripled during the year. Joan then withdrew $500, and the resulting balance was $100. what was the balance in the account before ir tripled

Answers

$200 because 200x3 is 600 -500 is 100 aka the remaining balance

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