3(3t + s) and 3s - t S = 9 and t =12

Answers

Answer 1

Answer: the answer is 108+3s i think but not 100% sure

Answer 2

Answer: 3(3(12)+9)
3(36+9)
3(45)
165

3(9)-12
27-12
15

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Can someone help me ASAP thank you have a good day!

Answers

Hope that helps you! :)

Answer:

Step-by-step explanation:

C is showing what happens when you get the first part done of the expression

Which rectangle has an area of 40 square units?On a coordinate plane, a rectangle is 5 units high and 8 units wide.
On a coordinate plane, a rectangle is 5 units high and 7 units wide.
On a coordinate plane, a rectangle is 4 units high and 8 units wide.
On a coordinate plane, a rectangle is 6 units high and 8 units wide.

Answers

Answer: a :)

Step-by-step explanation:

Answer:

Step-by-step explanation:

There are two connected gears. One has 60 teeth and it makes 50 complete revolutions in a minute. How many complete revolutions will the second gear complete, if it has 40 teeth?

Answers

60 teeth = 50 revolutions

40 teeth = x revolutions

To figure this out, you can multiply 60 and 50 together to get 3000, and 40 and x to get 40x.

If you solve this equation, 40x = 3000,

x = 75

Hope this helped!

The Second gear will complete 75 revolutions.

Hope this helps. I tried using my past knowledge.

What are the coefficients of the terms in this expression? 18x - 9y + 12z

Answers

Answer: 18, 9, and 12

Step-by-step explanation:

The coefficient are numbers in front of a variable or term so if you look at your equation:

18x - 9y + 12z

All of these variables have numbers in front of them hence making them the coefficients in the expression.

the coefficients in the expression: 18x - 9y + 12z are 18, 9, and 12

There are 16 girls and 20 boys in the school band.
what is the ratio of girls to boys ?

Answers

To get the ratio we have to put into numerator number of girls and into denominator number of boys. Then simplify it
$(16)/(20)= (16:4)/(20:4)= (4)/(5)$
It also can be denoted as 4:5

the ratio of girls to boys is 4 to 5 in simplest terms. U need to divide both the 16 and 20 by 4, and u get 4 and 5. Since 4 represents girls, it comes first and the ratio is 4 to 5 or 4:5

Write an equation of a line in slope-intercept form with the given slope and y- intercept. Slope: -3/4, Y- intercept -2

Answers

Y-(-2)=(3/4)(x-x_1) is the point slope form

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