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steposvetlana [31]
2 years ago
6

A 5-column table has 4 rows. The first column has entries A, B, C, Total. The second column is labeled X with entries 15, 5, 30,

50. The third column is labeled Y with entries 5, 8, 15, 28. The fourth column is labeled Z with entries 10, 7, 5, 22. The fifth column is labeled Total with entries 30, 20, 50, 100. Which two events are independent?
Mathematics
1 answer:
Alex17521 [72]2 years ago
6 0

Answer:

anz

Step-by-step explanation:

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The length of a shadow from the vertical pole (see picture to the right), which is 7m high, is 4m. What is the degree measure of
Liono4ka [1.6K]

Answer:

The answer to your question is:  60.3°

Step-by-step explanation:

Data

height = 7 m

shadow = 4 m

angle = ?

Process

tangent Ф = opposite side / adjacent side

tangent Ф = 7 / 4

tan Ф = 1.75

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3 years ago
Which expressions are equivalent to the one below? Check all that apply log₂ 2 + log₂ 8
S_A_V [24]

Answer:

A. 4 B.  log₂(2^4)

Step-by-step explanation:

A. log₂ 2 = log₂ 2¹ = 1

log₂ 8 = log₂ 2³ = 3

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B. *log₂ 2⁴ = 4

3 0
3 years ago
What is the value of x to the nearest tenth??
Stolb23 [73]

Answer:

\displaystyle 12,3 ≈ x

Step-by-step explanation:

We have to determine which trigonometric ratio to use, depending on what is displayed for us, and we will be using the <em>cotangent</em> [or <em>tangent</em>] ratio, this time with two angle measures:

\displaystyle cot\:39° = \frac{x}{10} → 10cot\:39° ≈ 12,34897157 ≈ 12,3 \\ \\ tan\:39° = \frac{10}{x} → \frac{10}{tan\:39°} ≈ 12,34897157 ≈ 12,3 \\ \\ \\ OR \\ \\ \\ cot\:51° = \frac{10}{x} → \frac{10}{cot\:51°} ≈ 12,34897157 ≈ 12,3 \\ \\ tan\:51° = \frac{x}{10} → 10tan\:51° ≈ 12,34897157 ≈ 12,3

Extended Information on Trigonometric Ratios

\displaystyle \frac{OPPOSITE}{HYPOTENUSE} = sin\:θ \\ \frac{ADJACENT}{HYPOTENUSE} = cos\:θ \\ \frac{OPPOSITE}{ADJACENT} = tan\:θ \\ \frac{HYPOTENUSE}{ADJACENT} = sec\:θ \\ \frac{HYPOTENUSE}{OPPOSITE} = csc\:θ \\ \frac{ADJACENT}{OPPOSITE} = cot\:θ

I am joyous to assist you anytime.

3 0
3 years ago
Which statement allows for us to conclude that line M and line N are parallel?
Drupady [299]

if ∡3 is a supplementary angle with ∡5, namely they both add up to 180°, then that means that the corresponding angles of ∡1 = ∡5, and ∡3 = ∡7, which means the lines crossing those angles are parallel.

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a

Step-by-step explanation:

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