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3 years ago

1) Is it a function? Please help

Mathematics

2 answers:

Lana71 [14]3 years ago

7 0

Answer:

Hi, there your answer is no it is not a function

Step-by-step explanation:

Since x is repeating itself

marissa [1.9K]3 years ago

5 0

No not a function sorry

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The diameter of a circle is 9 centimeters. Find the area to the nearest tenth.

Umnica [9.8K]

Answer:

63.6 square cm

Step-by-step explanation:

$d = 9 \: cm \implies \: r = 4.5 \: cm \\ area \: of \: circle \\ = \pi {r}^{2} \\ = 3.14 \times ( {4.5})^{2} \\ = 3.14 \times 20.25 \\ = 63.585 \\ = 63.6 \: {cm}^{2} \\$

8 0

3 years ago

Find the equation of the line in standard form containing a point P(-3, 3) and a slope m = -4/3

Ghella [55]

Answer:

4x+3y+3=0

Step-by-step explanation:

Equation of a line containing a point (x1,y1),

and a slope m is given by,

(y-y1)=m(x-x1)

Here, x1= -3 , y1= 3 , m= -4/3

Putting the values,

(y-3)=-4/3(x+3)

or,3(y-3)=-4(x+3)

or,3y-9=-4x-12

or,4x+3y+3=0 , is the required equation.

6 0

3 years ago

Read 2 more answers

How do i graph 2.5x+8y=200

julia-pushkina [17]

Answer:

Step-by-step explanation:

2.5x+8y=200

We want to get this in slope intercept form so we will solve for y

Subtract 2.5x from each side

2.5x-2.5x+8y=-2.5x +200

8y = -2.5x +200

Now divide by 8 on both sides

8y/8 = -2.5x/8 + 200/8

y = -.3125x +25

The y intercept is 25, so plot a point there

-.3125 = -5/16

Go down 5 and to the right 16 and plot a point. Connect the two points to make a line.

6 0

3 years ago

How much is three times two

Helga [31]

Answer:

the answer is 6.

Step-by-step explanation:

6 0

3 years ago

Read 2 more answers

Help please. i really need this answer

VladimirAG [237]

Answer:

$\displaystyle y = 5x - 92\:or\:y + 12 = 5[x - 16]$

Step-by-step explanation:

−12 = 5[16] + b

$\displaystyle -92 = b \\ \\ y = 5x - 92$

To write this in Point-Slope Formula now, $\displaystyle y - y_1 = m[x - x_1],$ you simply plug the coordinate into the formula with their CORRECT SIGNS because all negative symbols give the OPPOSITE terms of what they really are:

$\displaystyle y + 12 = 5[x - 16]$

* Parallel lines have SIMILAR <em>RATE OF CHANGES</em> [<em>SLOPES</em>], so 5 remains the way it is.

I am joyous to assist you anytime.

5 0

3 years ago