What is 4x+6y=12 in y=mx+b form?

Answers

Answer 1
Answer: 4x+6y=12\ \ \ | subtract\ 4x\n\n 6y=-4x+12\ \ \ | divide\ by\ 6\n\n y=-(4)/(6)+2\n\n y=-(2)/(3)+2

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Are 16:14 and 64:60 equivalent ratios?

Answers

Answer:

Both the ratios are not equivalent.

Step-by-step explanation:

Consider the provided ratios:

16:14

The above ratio can be written as:

(16)/(40)=(2)/(5)

Now consider the another ratio:

64:60

The above ratio can be written as:

(64)/(60)=(16)/(15)

Now compare both the ratio:

(2)/(5)\neq (16)/(15)

Hence, both the ratios are not equivalent.

Ratios are equivalent when you divide the first term by the second and it's the same for both ratios. 

In this case, 16/14 is not equal to 64/60

A window is 21 inches wide, and its perimeter is 112 inches. What is the length of the window?

Answers

Answer:

The length of the window is 35 inches.  

Step-by-step explanation:

Perimeter of an object can be found using the general formula:  P = 2W + 2L, where P = perimeter, W = width and L= length.  Since both the width and perimeter of the window are given, we can plug these values into the formula to solve for the missing variable 'L':  112 = 2(21) + 2L, or 112 = 42 + 2L.  We can then use inverse (opposite) operations to isolate the variable and solve.  Whatever we do to one side of the equation, we do to the other.  We will start by subtracting 42 from each side:  112 - 42 = 42 - 42 + 2L or 70 = 2L.  Next, we divide both sides by 2 to solve for L:  70/2 = 2L/2 or L = 35.  So, the final length of the window is 35 inches.  

How do you get 25% of what number is 21

Answers

So the question is 25% of what number is 21. Lets turn that into an equation: let x be the number we are looking for. We need to take 25% from it and we know that that is equal to 21. Mathematically: 25% * x= 21. Or: (25/100) * x = 21. When we multiply both sides with 100 and divide both sides by 25 we get: x=21*(100/25). And we get that x=84.

Bella wants to find the circumference of a circle. What two values does she need to know?Choose exactly two answers that are correct.

A.
distance

B.
area

C.
diameter

D.
\pi

Answers

She needs to know the Diameter and Pie.
The answers are C and D.

I need to know if this can make a triangle

Answers

That can't make a triangle. First of all, to make a triangle the length of 2 side add together should be greater than the bigger number of the triangle. So, 45+8=53. The bigger triangle is 90. 

Pada suatu deret geometri diketahui suku ke-3 = 18 dan suku ke-6 = 486. suku pertama pada deret tersebut adalah...

Answers

a . r^(3-1) = 18
a . r^2 = 18...... (i)

a . r^(6-1) = 486
a . r^5 = 486 ...... (ii)

dengan membuat perbandingan dari kedua persamaan diperoleh:
r^2/r^5 = 18/486
1/r^3 = 1/27 
r^3 = 27
r = akar pangkat 3 dari 27 
r = 3

dari persamaan a . r^2 = 18...... (i)
                          a . 3^2 = 18
                          a . 9 = 18
                          a      = 18/9 = 2