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Lerok [7]
3 years ago
13

PLZ HELP FREE POINTS AND BRAINLEIST how can the direction part of a vector be expressed as a number

Mathematics
2 answers:
levacccp [35]3 years ago
8 0

Answer:

with magnitude

Step-by-step explanation:

write as equation to find magnitude

REY [17]3 years ago
5 0

Answer:add an equation to the magnitude

Step-by-step explanation:

apply a given equation to find the magnitude

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A=42°, b=10, c=12. What is the length of a to the nearest tentH
Digiron [165]

The length of a in the triangle to the nearest tenth is 8.1 units.

<h3>How to find side of a triangle?</h3>

The side a of the triangle can be found using cosine formula.

Therefore,

a²= b² + c² - 2bc cos A

a² = 10² + 12² - 2 × 10 × 12 cos 42°

a² = 100 + 144 - 240cos 42

a² = 244 - 178.354758115

a = √65.6453

a = 8.10217871933

a = 8.1

learn more on triangle here: brainly.com/question/7831188

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2 years ago
Listed below are amounts of​ strontium-90 (in​ millibecquerels, or​ mBq) in a simple random sample of baby teeth obtained from r
Alenkinab [10]

Answer:

The 5-number summary is maximum= 175, minimum=126, median=150, Q₁=138 and Q₃=160.5.

Step-by-step explanation:

The given data set is

126, 128, 131, 135, 136, 140, 143, 145, 147, 148, 152, 154, 155, 156, 159, 162, 164, 166, 169, 175

The minimum value of the data is 126 and the maximum value of the data is 175.

Divide the data in two equal parts.

(126, 128, 131, 135, 136, 140, 143, 145, 147, 148), (152, 154, 155, 156, 159, 162, 164, 166, 169, 175)

The median of the data is

Median=\frac{148+152}{2}=150

Now divide each parenthesis in two equal parts.

(126, 128, 131, 135, 136), (140, 143, 145, 147, 148), (152, 154, 155, 156, 159), (162, 164, 166, 169, 175)

Q_1=\frac{136+140}{2}=138

Q_3=\frac{159+162}{2}=160.5

Therefore the 5-number summary is maximum= 175, minimum=126, median=150, Q₁=138 and Q₃=160.5.

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4 years ago
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3/4 is equivalent to 6/8
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Factor numerical expressions using the dist
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i am not sure what your first line says. but the answer should be correct

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