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3 years ago

Which of the following ordered pairs are solution to the equation y=-2x+6

Mathematics

1 answer:

konstantin123 [22]3 years ago

5 0

Step-by-step explanation:

I'm not sure what the ordered pairs due to you not providing them, but I can tell you the best way to see if they are solutions.

The best way to do so is by substituting the x and y values into the equation.

For example, if you had the ordered pair (5,2), then you would put the x coordinate in place of x and the y coordinate in the place of y.

Like so:

2 = -2(5)+6

The way you know if its a solution is if they equal the same thing.

Solution example:

2 = 2

Non-solution example:

5 ≠ 3

Hope that helped!

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6) There are many cylinders with a height of 4 inches.

diamong [38]

Answer:

Please check the explanation.

Step-by-step explanation:

Given

height of cylinder h = 4 inches

Given the table

Radius Volume

1 ___

2 ___

3 ___

Determining the Volume of the cylinder when r = 1 inch and h = 4 inches

Given

h = 4 inches

r = 1 inch

Using the formula to determine the volume of the cylinder

V = πr²h

V = 3.14×(1)²×(4)

V = 3.14 × 1 × 4

V = 12.56

V ≈ 13 (nearst cubic inch)

Therefore, the volume of cylinder when h = 4 inches and r = 1 inch will be:

V ≈ 13 cubic inches (nearest cubic inch)

Determining the Volume of the cylinder when r = 2 inches and h = 4 inches

Given

h = 4 inches

r = 2 inch

Using the formula to determine the volume of the cylinder

V = πr²h

V = 3.14×(2)²×(4)

V = 3.14 × 4 × 4

V = 50.24

V ≈ 50 (nearst cubic inch)

Therefore, the volume of cylinder when h = 4 inches and r = 2 inches will be:

V ≈ 50 cubic inches (nearest cubic inch)

Determining the Volume of the cylinder when r = 3 inches and h = 4 inches

Given

h = 4 inches

r = 3 inch

Using the formula to determine the volume of the cylinder

V = πr²h

V = 3.14×(3)²×(4)

V = 3.14 × 9 × 4

V = 113.04

V ≈ 113 (nearst cubic inch)

Therefore, the volume of cylinder when h = 4 inches and r = 3 inches will be:

V ≈ 113 cubic inches (nearest cubic inch)

Therefore, we complete the table conclude such as:

Radius Volume

1 13

2 50

3 113

5 0

3 years ago

What is a coefficient?

kakasveta [241]

"A number used to multiply a variable.
Example: 6z means 6 times z, and "z" is a variable, so 6 is a coefficient.

Variables with no number have a coefficient of 1.
Example: x is really 1x.

Sometimes a letter stands in for the number. 
Example: In ax2 + bx + c, "x" is a variable, and "a" and "b" are coefficients."

hope this helps you!

4 0

3 years ago

I need help with these plzzz

german

Answer:

1. C 2. B

Step-by-step explanation:

1. find the total circumference, d times pi, then put 42 over 360 and multiply them to get that section

2. The actual value of x is 33.2

So I plugged in that value for all of them

4 0

3 years ago

Read 2 more answers

Factor this problem 6x^2-5x-1>0

Greeley [361]

6x^2-5x-1>0

(6x-1)(x+1)

x=1/6 x=-1

3 0

3 years ago

Find the sum of the even numbers shown below. 2+4+6+8+...+66+68+70

Mandarinka [93]

The sum its +2

2+2=4

4+2=6

6+2=8

8+2=10

And so on the numbers just keep sum for 2

5 0

3 years ago