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3 years ago

A line with a slope of 2 passes through the point (3,9).

Mathematics

1 answer:

Licemer1 [7]3 years ago

4 0

Answer:

y-9=2(x-3)

Step-by-step explanation:

The point-slope formula is: y-y1=m(x-x1)

y1 and x1 is where you plug in the coordinate and m is the slope.

y1 is the second number of the coordinate (x, y)

So, y1 is 9 in this case

x1 is the first number of the coordinate (x, y)

So x1 is 3 in this case

Do you get it or do I need to explain further?

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credit cards place a 3 digit security code on the back of cards what is the probability that a code starts with a number 7

WARRIOR [948]

This answer is not 3/4. The answer is 1/10. I found this by knowing that there are 10 numbers and there is a 1/10 chance that it will start with 7. I would really appreciate it if I could get brainliest. Thanks!! =D

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3 years ago

Plz Help!!!<br> Will Give Brainliest to the First Person that answers!!!

Tatiana [17]

Answer:

15 square units.

Step-by-step explanation:

To find the area, we must find the width and length of the rectangle. To find the width and length, we need to find the length of AB and the length of BC. We use the distance formula.

AB: A(-8, 3); B(-3, 3).

$\sqrt{(-8-(-3))^2+(3-3)^2}$

= $\sqrt{(-8+3)^2+0^2}$

= $\sqrt{(-5)^2+0}$

= $\sqrt{25 }$

= 5

BC: B(-3, 3); C(-3, 6).

$\sqrt{(-3-(-3))^2+(3-6)^2}$

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

= $\sqrt{(0)^2+9}$

= $\sqrt{0+9}$

= $\sqrt{9}$

= 3

Now that we have both the width and the length, we can solve for the area using A = lw, where A is the area, l is the length, and w is the width. In this case, l = 5 and w = 3.

A = lw

A = 5 * 3

A = 15

So, the area of the rectangle is 15 square units.

Hope this helps!

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3 years ago

Carey earns $9.75 working part time on weekends. The table below shows the amount, a, Carey earns for working h hours.

shutvik [7]

$29.25 in 3 hours. explanation: if he makes $9.75 in 1 hour then 9.75 x 3 (hours) would equal $29.25

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3 years ago

A cat is stuck in a tree. A firefighters 15-foot ladder is the leaning against a tree. The ladder and the ground form a 62° angl

artcher [175]

To solve this problem you must apply the proccedure shown below:

1. You have:

Sinα=opposite/hypotenuse

α=62°
opposite=x
hypotenuse=15 ft

2. When you substitute the values into Sinα=opposite/hypotenuse, you obtain:

Sinα=opposite/hypotenuse
Sin(62°)=x/15

3. You must clear "x", as below:

x=(15)(Sin(62°))
x=13.24 ft

The answer is. 13.24 ft

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3 years ago

Please answer this correctly without making mistakes

IrinaVladis [17]

Answer:

44 5/6 "the second one"

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3 years ago