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Alex
3 years ago
10

Least common multiple of 168 and 76

Mathematics
2 answers:
Stella [2.4K]3 years ago
5 0

Answer:

3192

this is the answer but if you need to show work then I can't help ya bud

yuradex [85]3 years ago
4 0

Answer:

Best to draw out a factor tree.

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Find a ·<br> b. |a| = 3, |b| = 14 , the angle between a and b is 45°
Gala2k [10]
a.b
=|a||b|cos(theta)
=3*14*cos(45)
=3*14*\sqrt{2}/2
=21\sqrt{2}
5 0
3 years ago
In this triangle, cosA/cosB = <br><br><br> Random answers will be reported!
SOVA2 [1]

Answer:

cosA/cosB =  1

Step-by-step explanation:

We know that cos = Adjacent Side/hypothenuse.

Then Cos(A)= AC/AB = 3/4.24 = 0.707

Cos(B) = BC/AB = 3/4.24 = 0.707

Then cosA/cosB = 0.707/0.707 = 1

3 0
3 years ago
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Please I need help please
Kaylis [27]

Answer:

I'm sorry, I can help only with this one x = 20°

Step-by-step explanation:

2x + 5° + 4x + 15° + 2x = 180°

8x = 180° - 5° - 15°

8x = 160°|÷8

x = 20°

7 0
3 years ago
I need help on two questions!
Inessa05 [86]

1) Answer: \frac{x^{2}}{100} +\frac{y^{2}}{4} = 1

<u>Explanation:</u>

The equation of an ellipse is: \frac{(x-h)^{2}}{a^{2}} +\frac{(y-k)^{2}}{b^{2}} = 1 ; where (h, k) is the center, "a" is the x-radius, and "b" is the y-radius.

               Center                        Radius

x-axis:   (10 + -10)/2 = 0            10 - 0 = 10

  •       h = 0                             a = 10

y-axis:   (2 + -2)/2  = 0               2 - 0 = 2

  •       k = 0                             b = 2

Now, input the values into the equation:

\frac{(x-0)^{2}}{10^{2}} +\frac{(y-0)^{2}}{2^{2}} = 1

\frac{x^{2}}{100} +\frac{y^{2}}{4} = 1

************************************************************************

2) Answer: \frac{x^{2}}{1} +\frac{(y+2)^{2}}{4} = 1

<u>Explanation:</u>

Vertices are: (0, 1) and (0, -5) ------> x-values are the same, y = 1, -5

Covertices are: (-1, -2) and (1, -2) ----> y-values are the same, x = -1, 1


               Center                        Radius

x-axis:   (-1 + 1)/2 = 0                  1 - 0 = 1

  •       h = 0                             a = 1

y-axis:   (1 + -5)/2  = -2               1 - (-2) = 3

  •       k = -2                             b = 3

Now, input the values into the equation:

\frac{(x-h)^{2}}{a^{2}} +\frac{(y-k)^{2}}{b^{2}} = 1

\frac{(x-0)^{2}}{1^{2}} +\frac{(y-(-2))^{2}}{3^{2}} = 1

\frac{x^{2}}{1} +\frac{(y+2)^{2}}{9} = 1

3 0
4 years ago
(50 POINTS! PLEASE HELP!) Alang has a bag that contains pineapple chews, strawberry chews, and lime chews.
Lelechka [254]

Answer:

<u>1/13</u>

Step-by-step explanation:

Probability (lime chew) :

  • No. of times lime chew was selected / Number of times experiment was conducted
  • 2/26
  • <u>1/13</u>
8 0
2 years ago
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