If 2x/5y=6,what is the value of y, in terms of x ? 2. 11/4-a=3 , What is the value of a in the equation ?

Answers

Answer 1
Answer: (2x)/(5y) = 6

2x = 6 * 5y

2x = 30y

(2x)/(30) = y

y = (x)/(15)

~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

(11)/(4) - a = 3

-a = 3 - (11)/(4)

a = (11)/(4) - 3

a = (11)/(4) - (12)/(4)

a = - (1)/(4)

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A construction worker tosses a brick from a tall building. The brick's height (in meters above the ground) t tt seconds after being thrown is modeled by h ( t ) = − 5 t 2 + 20 t + 105 h(t)=−5t 2 +20t+105h, left parenthesis, t, right parenthesis, equals, minus, 5, t, squared, plus, 20, t, plus, 105 Suppose we want to know the height of the brick above the ground at its highest point. 1) Rewrite the function in a different form (factored or vertex) where the answer appears as a number in the equation. h ( t ) = h(t)=h, left parenthesis, t, right parenthesis, equals 2) At its highest point, how far above the ground was the brick?

Which is a reasonable estimate for the area of a circle with a diameter of 1 meter?

Answers

A≈0.79m² (Hope this helps)

Bill cleans house windows for $20/houseplus $1/window. If your house has 22
windows; how much will it cost?

Answers

Answer:

$20 (house) + $22 (windows) = $42

It will cost $42 to have Bill clean a house with 22 windows.

$42

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-6x + 7y = 9
2x - 2y = 4

Answers

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Which shows 4x + 2y = –16 in slope-intercept form? Question 4 options: y = 2x - 8 y = -2x - 8 y = 1/2x - 8 y = 1/2x - 16

Answers

y=-2x-8 is the answer

Which statement is true? A. Every real number is an integer.
B. Every rational number is a real number.
C. Every rational number is a perfect square.
D. Every integer is an irrational number.

Answers

I'd go with B, every rational number is a real number, but you should probably review the lesson before taking the test.

4. b) Solve the inequality
7x<5x-8

Answers

x<-4 is the solution to the inequality
x<-4 is the answer hope I helped