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3 years ago

Witch best describes a triangle acute obtuse right or equlateral

Mathematics

1 answer:

Zanzabum3 years ago

6 0

The answer would be right triangle. Hope that helps! :3

Oh and you spelled which wrong.

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Below. What is m∠1?<br><br> m∠1 =

drek231 [11]

Answer:

m∠1 = 70

Step-by-step explanation:

A line is 180 degrees

The angles of a triangle total to 180 degrees

180 - 101 = 79

79 + 31 = 110

180 - 110 = 70

5 0

3 years ago

Suppose a tub has the shape of an elliptical paraboloid given by z = ax2+by2 (where a, b are some positive constants). If a marb

Umnica [9.8K]

Answer:

It would roll in this direction.

$\nu = (-a/\sqrt{a^2+b^2},-b/\sqrt{a^2+b^2})$

Step-by-step explanation:

It would roll to the direction of maximum decrease, which is the -1 times the direction of maximum increase, which is given by the gradient of the function.

Since

$z = ax^2 + by^2$

For this case, the gradient of your function would be

$\nabla z = (2ax , 2by)$

And -1 times the gradient of your function would be

$-\nabla z = (-2ax , -2by)\\$

Then, at

$(1,1,a+b),\\x = 1 \\y = 1$

So it would go towards

$v = (-2a,-2b)$

The magnitud of that vector is

$|v| = 2\sqrt{a^2+b^2}$

and to conclude it would roll in this direction.

$\nu = (-a/\sqrt{a^2+b^2},-b/\sqrt{a^2+b^2})$

6 0

3 years ago

Write the standard form of the line that contains a slope of -1/2 and y-intercept of 1. Include your work in your final answer.

NemiM [27]

The slope intercept form would be y= -1/2x + 1 and to get it into standard form all you have to do is move the -1/2 x to the other side, making it 1/2x + y = 1

5 0

3 years ago

A zoo collected data on the diving times of turtles. Based on the data, the regression line is j = 0.010 + 2.515x, where x is th

mariarad [96]

Answer:

6.298 meters

Step-by-step explanation:

Here, we are told that x is the time of the dive in minutes.

We simply first need to convert 150 seconds to minutes before substitution into the regression formula;

Kindly recall that 60 seconds = 1 minute

So 150 seconds will be 150/60 = 2.5 minutes

We now proceed to substitute into;

j = 0.010 + 2.515(x)

i = 0.010 + 2.515(2.5)

j = 0.010 + 6.2875

j = 6.2975 which go 3 decimal places is 6.298 meters

7 0

3 years ago

Flip the coin three times and record your results. While we know the theoretical probability of flipping a heads, what is the ex

ivann1987 [24]

The probability of getting heads while flipping a coin for three times is 1/2

<u>Explanation:</u>

When a coin is flipped then there are two possible outcomes.

We can either get a heads or a tail.

If a coin is flipped three times and the possibility of getting heads would be 3

Total number of outcomes would be 6 ( 2 possible outcomes X 3 times toss)

Therefore, probability of getting heads would be = 3/6

= 1/2

Therefore, the probability of getting heads while flipping a coin for three times is 1/2

4 0

3 years ago

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