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mel-nik [20]
3 years ago
15

Use the picture to create a ratio between the objects.

Mathematics
1 answer:
Julli [10]3 years ago
3 0

Answer:Blue

Step-by-step explanation:

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WILL GIVE BRAINLIST TO BEST ANSWER
Oksana_A [137]

Answer:False

Step-by-step explanation:

5 0
2 years ago
<img src="https://tex.z-dn.net/?f=cos%283theta%29%20%3D-1%3Cbr%3E%0A" id="TexFormula1" title="cos(3theta) =-1&amp;#10;" alt="cos
castortr0y [4]
Hello :
cos(3<span>θ) = -1
</span>cos(3θ) = cos(<span>π)
</span>general solution in : R  is 
3θ = (2k+1)π   k in  Z 
θ = (2k+1)π/3
if  θ in  <span> [0 , 2</span>π]   the solutions are :
k=0 :  x = π/3
k=1 :  x = π
k=2 :  x = 5π/3



5 0
3 years ago
What is the vertex of the graph of the function f(x) = x2 + 8x - 2?
vlabodo [156]

Answer:

Vertex is (-4, -18)

Step-by-step explanation:

f(x) = ax^{2} +bx +c

Let (h, k) be the vertex

An easy way to find h is to use the formula h = -b/2a

In your case where f(x) = x^{2} +8x - 2   a = 2 and b = 8

So, h =  -8/2(1) = -8/2 = -4

Substitue -4 in for x to find k

k = (-4^{2}) + 8(-4) - 2

  = (16) - 32 - 2

  = 16 - 32 - 2

  = -18

Vertex is (-4, -18)

Note:  Another way to find the vertex is to complete the square, but this can really be difficult in some cases

5 0
3 years ago
Prove that corresponding altitudes in congruent triangles are congruent with statement reason column proof.
malfutka [58]
They are because if two angles that have a side of one triangle that is congruent to the corresponding parts of another triangle, the triangles are congruent to the corresponding altitudes in triangles.
6 0
3 years ago
What index of m will be 1/m​
Mashcka [7]

Answer:

-1.

Step-by-step explanation:

1/m = m^-1.

We can show this is correct if we simplify the following:

m^2 / m ^3  =  m * m / m * m* m = 1/m

By the law of indices: m ^2 / m^3 = m^(2-3) = m^-1.

8 0
4 years ago
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