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3 years ago

Select a counter-example that makes the conclusion false.

Mathematics

1 answer:

Softa [21]3 years ago

4 0

A counter-example could be

There are more than 3 marbles in the bag, and the other ones are red.

Hope this helps!

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Find the area of a plane figure bounded by lines

natulia [17]

Answer: 4.5

Step-by-step explanation:

First, find the points of intersection by solving the system.

y = x² + 2x + 4

y = x + 6

Solve by substitution:

x² + 2x + 4 = x + 6 ⇒ x² + x - 2 = 0 ⇒ (x + 2)(x - 1) = 0 ⇒ x = -2, x = 1

Now, integrate from x = -2 to x = 1

$\int\limits^1_2 {(x+6)-(x^{2}+2x+4) } \,$ the bottom of the integral is -2

= $\int\limits^1_2 {x+6-x^{2}-2x-4 } \,$

= $\int\limits^1_2 {-x^{2}-x+2 } \,$

= $\frac{-x^{3}}{3} - \frac{x^{2}}{2}+2x\int\limits^1_2 {} \,$

= $(\frac{-1^{3}}{3} - \frac{1^{2}}{2}+2(1)) - (\frac{-(-2)^{3}}{3} - \frac{(-2)^{2}}{2}+2(-2))$

= $(\frac{-1}{3} - \frac{1}{2} +2) - (\frac{8}{3} -\frac{4}{2} -4)$

= $\frac{-9}{3} + \frac{3}{2} +6$

= -3 + 1.5 + 6

= 4.5

3 0

3 years ago

Tyson is 6 feet 2 inches tall. There are 2.54 centimeters in 1 inch. What is Tyson's height in centimeters?Tyson is 6 feet 2 inc

Ivanshal [37]

First you need to find how many inches is in 6.2 feet which is 74. Then you need to multiply that by 2.54 to get the amount of centimeters. Which is 182.88. So the answer is 182.88

7 0

3 years ago

Read 2 more answers

Please help it is TIMED.

lions [1.4K]

Answer:

message it will be easy er to explain

Step-by-step explanation:

4 0

3 years ago

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(-12,-5);slope =1/3 write in slope -intercept form

leonid [27]

Answer:

y = $\frac{1}{3}$ - 1

Step-by-step explanation:

y - y1 = m (x - x1)

y + 5 = $\frac{1}{3}$ (x + 12)

y + 5 = $\frac{1}{3}$ x + $\frac{12}{3}$

y + 5 = $\frac{1}{3}$ x + 4

y = $\frac{1}{3}$ x - 1

Hope this was helpful :)

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3 years ago

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Find the gcf x^2 -12x+32

SpyIntel [72]

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Mark brainliest please

Hope this helps you

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3 years ago