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2 years ago

How many points determine a unique line?

Mathematics

2 answers:

natta225 [31]2 years ago

5 0

The answer is 2 points. This entails the front point and end point on the line segment.

Nesterboy [21]2 years ago

4 0

B. 2 Points determine a unique line

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Find the x-coordinate of the vertex of the graph of the equation y=-3x^2+6x+2

Ivanshal [37]

Consider, pls, this solution:
according to the equation y= -3x²+6x+2, where a=-3, b=6 and c=2, and the rule x₀= -b/(2a):
x₀=-6/(-6)=1.
For more info see the attached graph.

4 0

2 years ago

% of 70 = 63 i need to find out what makes the 70 equal 63

monitta

Answer:

90 percent

Step-by-step explanation:

63 is almost 70 therefore it has to be a pretty high up number like 90 i hope you get this correct

6 0

2 years ago

Please help me i need to find the area of shaded region please help me

Montano1993 [528]

Answer:

Part 1) $A=60\ ft^2$

Part 2) $A=80\ cm^2$

Part 3) $A=96\ m^2$

Part 4) $A=144\ cm^2$

Part 5) $A=13\ m^2$

Part 6) $A=(49\pi -33)\ in^2$

Step-by-step explanation:

Part 1) we know that

The shaded region is equal to the area of the complete rectangle minus the area of the interior rectangle

The area of rectangle is equal to

$A=bh$

where

b is the base of rectangle

h is the height of rectangle

$A=(12)(7)-(8)(3)\\A=84-24\\A=60\ ft^2$

Part 2) we know that

The shaded region is equal to the area of the complete rectangle minus the area of the interior square

The area of square is equal to

$A=b^2$

where

b is the length side of the square

$A=(12)(8)-(4^2)\\A=96-16\\A=80\ cm^2$

Part 3) we know that

The area of the shaded region is equal to the area of four rectangles plus the area of one square

$A=4(4)(5)+(4^2)\\A=80+16\\A=96\ m^2$

Part 4) we know that

The shaded region is equal to the area of the complete square minus the area of the interior square

$A=(15^2)-(9^2)\\A=225-81\\A=144\ cm^2$

Part 5) we know that

The area of the shaded region is equal to the area of triangle minus the area of rectangle

The area of triangle is equal to

$A=\frac{1}{2}(b)(h)$

where

b is the base of triangle

h is the height of triangle

$A=\frac{1}{2}(6)(7)-(4)(2)\\A=21-8\\A=13\ m^2$

Part 6) we know that

The area of the shaded region is equal to the area of the circle minus the area of rectangle

The area of the circle is equal to

$A=\pi r^{2}$

where

r is the radius of the circle

$A=\pi (7^2)-(3)(11)\\A=(49\pi -33)\ in^2$

6 0

2 years ago

What is the percent of decrease from 500,000 to 200,000?

ad-work [718]

Answer:

500,000 to 200,000 is a 60% decrease.

6 0

2 years ago

(Help me please) Read all of it pls?

fgiga [73]

Answer:

Jason still has 39 stickers.

Step-by-step explanation:

First, 57 + 64 + 71 = 192

Second, 231 - 192 = 39

Hope this helps!

5 0

2 years ago

Read 2 more answers