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3 years ago

18/? = ?/5 = 6? This is so confusing to me omg

Mathematics

1 answer:

Tju [1.3M]3 years ago

6 0

Answer:

18/3=30/5=6

Step-by-step explanation:

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What is the slope of a line perpendicular to the line whose equations is x-y=6

belka [17]

Answer:

m = -1

Step-by-step explanation:

First write the line in slope intercept form y = mx+b where m is the slope and b is the y intercept

x-y = 6

subtract x from each side

-y = -x+6

Multiply each side by -1

y = x-6

The slope is 1

Perpendicular lines have slopes that multiply to -1

m * 1 = -1

m = -1

The slope of the perpendicular line is -1

6 0

3 years ago

Given tan() = 4/3 and sin() -4/5, find cos()

Paraphin [41]

Answer:

Make a triangle with an opposite side of 4 and adjacent side of 3 (hypotenuse is 5). You can now work out all trig functions for that angle. including sin(x)

Use the double angle formula to find sin(2x)

Step-by-step explanation:

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2 years ago

-10=xy+z solve for x

Mama L [17]

-10 = xy + z
xy = -10 - z
x = (-10 - z)/y

5 0

3 years ago

What is the area of a circle with a diameter of 37 inches?

krek1111 [17]

Hello!

To find the area of a circle you use the equation

$\pi r^{2}$

r is the radius which is half the diameter

$\pi 18.5^{2}$

Square 18.5

$\pi *342.25$

Put this into the calculator and you get the answer of about 1075.21

The answer is about 1075.21

Hope this helps!

3 0

3 years ago

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30 POINTS<br> The question is the picture above<br> Help PLEASE <br> Giving 30 points

Papessa [141]

.73 x .05= .0365

.733333333 x .0000000555555555= .036555555555

i think this is correct hope this helps

5 0

3 years ago

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