Hey peoples im bored and have nun to do

Mathematics

2 answers:

Alexeev081 [22]2 years ago

7 0

Answer:

If you have a sibling play hide and seek or watch tv

Step-by-step explanation:

MaRussiya [10]2 years ago

5 0

Answer:

hey!!

Step-by-step explanation:

how are ya??

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A parabola intersects the xxx-axis at x=3x=3x, equals, 3 and x=9x=9x, equals, 9.

vekshin1

Answer:

$x^2-12x+27 =0$

Step-by-step explanation:

Given a Parabola that intersects the x-axis at x=3 and x=9.

I presume you want to determine the equation of the parabola.

You can use this form:

Given roots of a parabola, the equation of the parabola is derived using the formula:

$x^2-($Sum of Roots)x+Product of Roots =0\\Since roots are 3 and 9, the equation becomes:\\x^2-(3+9)x+(3X9) =0\\x^2-12x+27 =0$

The equation of the parabola is:

$x^2-12x+27 =0$

8 0

3 years ago

A rectangle and a triangle with the same base and height have the same area.

OverLord2011 [107]

The answer is false because if you attach to triangles together in a way so that the figure would have 4 straight lines, you will get a rectangle. that means half of a rectangle is a triangle, so the area of both cannot be the same even if they have the same base and height.

for example the base and height of both is 3cm and 5cm.

area of the rectangle then would be,
area= base× height
=3cm×5cm=15cmsquared

then the area of the triangle would be,
area= base×height divided by 2
=3cm×5cm÷2= 7.5cm

so your answer is false
hope this helps....

5 0

3 years ago

Find the value of b help me please

slava [35]

Answer:

$b = \sqrt{2}$