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3 years ago

What are the variables of the graph shown to the right? Describe how the variables are related at various points on the graph.

Mathematics

1 answer:

zimovet [89]3 years ago

6 0

Answer:

The anwser is b)

Step-by-step explanation:

I know this because blocks are square and they can be used to build a tower

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Plz help me with 2,3,4,5,6,7,8,9,10,11

Nana76 [90]

2. prism
3. cylinder I think but could be a cone idk
4. triangular pyramid
5. pentagonal pyramid
6. cylinder
7. rectangular prism
8. idk
9. hexagonal prism <span />

6 0

3 years ago

Write an equation. round to the nearest hundreth placewhat is 20% of 85?

Airida [17]

85 x 0.20= 17%

I hope that helped

4 0

3 years ago

What line is perpendicular to y= 2x - 4

kolezko [41]

In Perpendicular product of slope is -1 so slope of y=2x-4 is 2 and 2*m=-1 m= -1/2 so y= -1/2x -4

4 0

3 years ago

Which quadratic equation has roots –2 and 1/5?

AysviL [449]

Answer:

The equation $5x^2\:+\:9x\:-\:2\:=\:0$ has roots –2 and 1/5.

Hence, the option 'a' is the correct answer.

Step-by-step explanation:

Checking the equation

$5x^2\:+\:9x\:-\:2\:=\:0$

putting x = -2 in the equation

$5\left(-2\right)^2\:+\:9\left(-2\right)-\:2\:=\:0\:$

$2^2\cdot \:\:5-9\cdot \:\:2-2=0$

$2^2\cdot \:5-18-2=0$

$20-20=0$

$0=0$

L.H.S=R.H.S

putting x = 1/5 in the equation

$5\left(\frac{1}{5}\right)^2\:+\:9\left(\frac{1}{5}\right)-\:2\:=\:0\:$

$5\left(\frac{1}{5}\right)^2+9\cdot \:\frac{1}{5}-2=0$

$\frac{1}{5}+\frac{9}{5}-2=0$

$2-2=0$

$0=0$

L.H.S=R.H.S

As putting x = -2 and x = 1/5 satisfy the equation.

Therefore, the equation $5x^2\:+\:9x\:-\:2\:=\:0$ has roots –2 and 1/5.

Hence, the option 'a' is the correct answer.

4 0

3 years ago

What is the rate of change (slope), given these two points (1,-3) and (7,-6)

nadezda [96]

Answer: -1/2

Step-by-step explanation: to find slope, use the equation (y2-y1) / (x2-x1)

(-6 - -3) / (7 - 1)

-3 / 6

= -1/2

5 0

2 years ago