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2 years ago

A number cube has sides numbered 1though 6 the probability of rolling a 2 is

Mathematics

1 answer:

sammy [17]2 years ago

7 0

This is 1/2)2=1/4 hope this helps

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What is the slope of the shown below?

Alexus [3.1K]

Answer:

Step-by-step explanation:

The formula of a slope:

$m=\dfrac{y_2-y_1}{x_2-x_1}$

We have the points (1, 1) and (3, 9). Substitute:

$m=\dfrac{9-1}{3-1}=\dfrac{8}{2}=4$

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2 years ago

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Bogdan [553]

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2 years ago

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(25 Points) The measure of b is ______?

Eva8 [605]

Answer:

Step-by-step explanation:

Since this is a right triangle, we can use the Pythagorean theorem

a^2 +b^2 = c^2

where a and b are the legs and c is the hypotenuse (opposite the right angle)

20^2 +b^2 = 29^2

400 + b^2 =841

Subtract 400 from each side

400-400 +b^2 = 841-400

b^2 = 441

Take the square root of each side

sqrt(b^2) = sqrt(441)

b = 21

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2 years ago

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Consider the function f(x)=x^2+2x-15. What are the x-intercepts of the function

Zina [86]

Let f(x)=0, you'll get x=3 and x=-5, those are the x-intercepts of the function.

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2 years ago

Through: (-3,0), perp. to y = 3x - 1

Marrrta [24]

Answer:

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

Step-by-step explanation:

<u>Given: </u>

line y=3x-1

point (-3,0)

<u>Write:</u> equation of the line that is perpendicular to the given and passes through the point (-3,0)

<u>Solution:</u>

The slope of the given line is $m=3$

If $m_1$ is the slope of perpendicular line, then

$m\cdot m_1=-1\\ \\3m_1=-1\\ \\m_1=-\dfrac{1}{3}$

So, the equation of the needed line is $y=-\dfrac{1}{3}x+b.$

Find b. This line passes through the point (-3,0), so its coordinates satisfy the equation:

$0=-\dfrac{1}{3}\cdot (-3)+b\\ \\0=1+b\\ \\b=-1\\ \\y=-\dfrac{1}{3}x-1$

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2 years ago