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KengaRu [80]
2 years ago
14

The equation of line j is y= -6/7x +7.Line k is perpendicular to j.What is the slope of line k?

Mathematics
1 answer:
kipiarov [429]2 years ago
4 0

Answer:

y=7/6x

Step-by-step explanation:

When given an equation and asked to find the equation of a perpendicular line that intersects it, you know that the slope is the slope of the equation is the negative recipricoal of the given equation. i.e. y=2x+2 and y=-1/2x+2. The y-intercept does not matter.

I hope you understood and that this helps!

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Which answers describe the shape below? Check all that apply.
levacccp [35]

Answer:

Parallelogram.

Step-by-step explanation:

Because parallelogram has its opposite sites equal.

6 0
3 years ago
Stephanie wants to buy 6 pencils case at a cost of $0.99 each.How many will the 6 pencils cases cost altogether
levacccp [35]

6 pencil cases would cost $5.94.

You can create an expression to represent the scenario.

6×$0.99

=$5.94 for 6 pencil cases

6 0
3 years ago
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Charlie is standing 45 feet from the base of 100 foot tall tree. What is the angle of elevation from him to the kite stuck on to
galben [10]
Hey. Let me help you on this one.

In order for us to solve this problem easier, let's break it apart. We can also graph the triangle so we get visual of this problem.

I drew a quick graph for you to easier understand this question. As you can see, Charlie is standing below the tree 45 feet from it, and we need to find the unknown angle measure.

Let's form a SOHCAHTOA function which you have probably already learned in your Geometry course.

First of all let's identify our sides. The side opposite of the right triangle is a Hypotenuse, and the side that's 45 feet is adjacent, since it's adjacent to the unknown angle.

We know that we need to use Cos (Cosine) with negative power to it in order to solve this question, since we are looking for the unknown angle measure.

Let's form the function which Cos, Hypotenuse, and Adjacent side.

Cos^{-1} =45/100

Now, let's solve the left part of this function


Cos^{-1} =0.45

Awesome. You will need to use your calculator for this part. Find the value of 0.45 when negative Cosine is used on it.

Cos^{-1} =0.45
63.25631605

Awesome. Let's round this number to the closest tenth

63.3 is the rounded value we have discussed below.

Answer: 63.3 degrees is the unknown measure of the angle

5 0
2 years ago
How many seconds are in 10 hours
enot [183]
There are 60 seconds in a minute.

There are 60 minutes in an hour.

This means that there'd be 600 minutes in 10 hours.

And if there are 60 seconds in a minute, there are 600 x 60 seconds in 600 minutes.

600 x 60 = 600 x 10 x 6 = 6000 x 6 = 36000

So we know that there are 36000 seconds in 10 hours.
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3 years ago
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Help me w this problem please !!!
jeka94

Answer:

it depends in u

and I will be there at noon and I will get back to Live in the morning and I Challenge u Day my

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