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Svet_ta [14]
4 years ago
9

Plz help me!!!! I have 2 questions for 20 points, be serious about this!

Mathematics
1 answer:
jok3333 [9.3K]4 years ago
8 0

Answer:

b d

Step-by-step explanation:

add then subtract the fractions

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Find the point at which the line with parametric equations x = 2 3t, y =-4t, z =5 t intersects the plane 4x 5y -2z=18
sashaice [31]

It looks like you have

\begin{cases}x=2+3t\\y=-4t\\z=5+t\end{cases}

Substituting these in to the plane equation, we have

4x+5y-2z = 4(2+3t) + 5(-4t) - 2(5+t) = -2-10t = 18 \\\\ \implies-10t = 20 \implies t = -2

When t=-2, we get the point

\begin{cases}x=2+3(-2)\\y=-4(-2)\\z=5+(-2)\end{cases} \implies (x,y,z) = \boxed{(-4,8,3)}

4 0
2 years ago
Can u plzz find me a length of adjacent​
timofeeve [1]

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There is no answer

My Logic:

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6 0
3 years ago
in fireside ski shop, 11/28 of the ski caps have tassals. Of the caps with tassals, 7/11 are blue. What fraction of the caps are
Kisachek [45]

Answer:

One fourth of the caps are blue with tassels.

Step-by-step explanation:

Take 7/11 of the caps with tassels, which boils down to (7/11)(11/28), or 1/4.

One fourth of the caps are blue with tassels.

3 0
4 years ago
Find the perimeter of A ABC with vertices A(1,5),<br> B(1,2), and C (-4,5).<br> y
SVEN [57.7K]

Answer:

The answer would be A.

Step-by-step explanation:

Sorry if the answer is wrong.

5 0
3 years ago
D. Is no solution please help
dangina [55]

Answer:

B

Step-by-step explanation:

I can't really see the problem, however I believe B is the only one that shows an infinite number of solutions.

5 0
3 years ago
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