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3 years ago

PLSSSSSSSSSSS HHELPP IM BEGGING YOU

Mathematics

2 answers:

trapecia [35]3 years ago

7 0

Y=-1/4+4

(Y2-y1) (x2-x1)

nika2105 [10]3 years ago

4 0

Y=1/4+4 because it wants to be

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Find the x - and y-intercepts of the graph of the linear equation –6x + 9y = -18

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x-intercept = -6 y-intercept = 9

Step-by-step explanation:

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Find the cosine of the angle between the planes x+y+z=0 and 4x+3y+z=1. Answer: cosθ=

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The angle between the planes is the same as the angle between their normal vectors, which are

n₁ = ⟨1, 1, 1⟩

n₂ = ⟨4, 3, 1⟩

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3 years ago

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Help me with this please?

aleksandrvk [35]

Answer:

$\sqrt{51}$ or 7.14

Step-by-step explanation:

Using the Pythagoras theorem, we can conclude the formula that we are going to use here is $a^{2}+b^{2} = c^{2}$

As we can see, this is a right triangle given that it has the square in the corner there. With this information, we can conclude that the longest side is 10, making it the hypotenuse or $c$

Now we need to find $b$ in the formula of $a^{2}+b^{2} = c^{2}$ making the equation $b^{2} = c^{2} - a^{2}$ or $b = \sqrt{ c^{2} - a^{2}}$

Given the provided information, this would be $b^{2} = 10^{2} - 7^{2}$ or $b = \sqrt{ 10^{2} - 7^{2}}$

Simplifying it would be $b = \sqrt{ 100-49$ = $\sqrt{51}$

The radical form would be $\sqrt{51}$

While it's integer would be 7.14

Hope this helps!

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2 years ago

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