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r-ruslan [8.4K]

2 years ago

11

I need help with this

1 answer:

Nitella [24]2 years ago

6 0

I think tha answer is a

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Forty tickets are sold for a raffle with two prizes. You buy two tickets. What is the probability that you will win both prizes

tekilochka [14]

When you first pick a ticket, there are 2 winning tickets and 40 total tickets. This means that there is a 2/40 chance of your ticket being a winning one. This fraction can be reduced to 1/20.

After this, there will be 1 winning ticket left and 39 total tickets. There is a 1/39 chance of the next ticket being a winning one. We multiply these two fractions together to get our answer. 1/20 * 1/39 = 1/780, so there is a 1/780 chance of having 2 winning tickets.

5 0

3 years ago

Are 3x and -8x like terms ?

zalisa [80]

Yes cause they are the same degree.

8 0

2 years ago

Shipping costs $0.15 per cubic inch. How much will Marcia pay to ship the box? * A.$20 B.$30 C.$40 D.$50

julia-pushkina [17]

Answer:

5×4= 20

20×10= 200

200×0.15 = 30

B. $30

8 0

2 years ago

How to find the point-slope form for the slope of 6 and passing through(-7,1)

MariettaO [177]

Answer: y-1=6(x+7)

Step-by-step explanation:

The formula for point-slope form is $y-y_1=m(x-x_1)$ . Since we are given the point and slope, we can directly plug them in.

$y-1=6(x-(-7))$ [distribute by -1]

$y-1=6(x+7)$

Now, we know that the point-slope form is y-1=6(x+7).

8 0

2 years ago

Martin wants to use coordinate geometry to prove that the opposite sides of

romanna [79]

The correct answer is option A which is the distance between A and D will be AD = $\sqrt{(0-0)^2-(b-0)^2}=\sqrt{b^2}=b$ .

<h3>What is coordinate geometry?</h3>

A coordinate plane is a 2D plane which is formed by the intersection of two perpendicular lines known as the x-axis and y-axis.

The formula utilised to find the distance between two points is;-

X = $\sqrt{(x_2-x_1)^2+(y_2-y_1)^2$

We have the coordinates of the point A = (0, 0) and D is (0, b).By applying the formula to find the distance between A and D.

AD = $\sqrt{(0-0)^2-(b-0)^2}=\sqrt{b^2}=b$ .

Therefore the correct answer is option A which is the distance between A and D will be AD = $\sqrt{(0-0)^2-(b-0)^2}=\sqrt{b^2}=b$ .

To know more about Coordinate geometry follow

brainly.com/question/18269861

#SPJ1

4 0

2 years ago