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Mekhanik [1.2K]
3 years ago
7

Serena has 3 necklaces, 6 pairs of earrings, and 4 bracelets in her jewelry box. How many different combinations of a necklace,

a pair of earrings, and a bracelet can she wear?
Mathematics
2 answers:
musickatia [10]3 years ago
5 0
<span>3*6*4 = 72 different combinations</span>
Ugo [173]3 years ago
4 0
13 different combinations
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a photographer shines a camera light at a particular painting forming an angle of 50 degrees with a camera platform at the light
umka2103 [35]

Answer:

The painting is 42.13 feet above  the platform

Step-by-step explanation:

Refer the attached figure .

A particular painting forming an angle of 50 degrees with a camera platform .

∠ABC = 50°

We are also given that the light is 55 feet from the wall where the painting hangs

i.e. AB = 55 feet.

Now we are required to find how high above the platform is the painting​. i.e. AC

So, we will use trigonometric ratio :

sin\theta = \frac{Perpendicular}{Hypotenuse}

sin50^{circ} = \frac{AC}{AB}

sin50^{circ} = \frac{AC}{55}

0.766*55 = AC

42.13= AC

Thus the painting is 42.13 feet above  the platform

8 0
3 years ago
Which of the following statements is always true?
DiKsa [7]
The answer is D because in an Equilateral triangle all the angles are 60 degrees which is acute
6 0
3 years ago
Tell whether the sequence is arithmetic. Justify your answer. If the sequence is arithmetic, write a recursive
navik [9.2K]

Answer:

The explicit formula

a_n = 3 +0.25 (n-1)

The recursive formula

a_1 = 3                            for n=1

a_n = a_ {(n-1)} +0.25     if n>1

Step-by-step explanation:

If a sequence is arithmetical then the difference between any of its consecutive terms will be constant

3, 3.25, 3.5, 3.75,

3.25-3 = 0.25\\\\3.5-3.25 = 0.25\\\\3.75 -3.5 = 0.25

The difference between the consecutive terms remains constant so the sequence is arithmetic.

The explicit formula for an arithmetic sequence is:

a_n = a_1 + d (n-1)

Where d is the constant difference between the terms.

d = 0.25

a_1 is the first term of the sequence.

a_1 = 3

So

a_n = 3 +0.25 (n-1)

Finally, the recursive formula is:

a_1 = 3\\\\a_n = a_ {(n-1)} +0.25

8 0
3 years ago
∠C and ​ ∠D ​ are vertical angles with m∠C=−3x+58 and m∠D=x−2 .<br><br><br><br> What is m∠D ?
11111nata11111 [884]
Vertical angles are equal

-3x + 58 = x - 2
-3x - x = -2 - 58
-4x = - 60
x = -60/-4
x = 15

m < D = x - 2....15 - 2 = 13 <====
m < C = -3x + 58....-3(15) + 58 = 13 
4 0
3 years ago
Read 2 more answers
Image down below plz help
Mariana [72]

Answer:

44?

Step-by-step explanation:

I realy just have a feeling

8 0
2 years ago
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