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Nastasia [14]
3 years ago
5

What is the value of (y^-5/x^-3) for x = 2 and y = -4

Mathematics
1 answer:
Anastasy [175]3 years ago
5 0
-1/1024)/(1/8
-1/1024)x 8
-8/1024
-1/128
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Permutations and combination question ^^
mario62 [17]

Answer:  22) A

<u>Step-by-step explanation:</u>

First, order doesn't matter so it is a Combination.

<em>In other words, it doesn't matter which person was chosen 1st, 2nd, 3rd, or 4th to bring food because they are all bringing "food".</em>

Next, If you are going to choose  person to 4 people to bring food out of a total of 4 + 3 + 1 = 8 people, you get → ₈C₄

And you are going to choose 3 people to bring decorations out the remaining 8 - 4 = 4 people, you get → ₄C₃

And you are going to choose 1 person to be the host out of the remaining 4 - 3 = 1 person, you get → ₁C₁

"And" means multiplication so altogether you get ⇒  ₈C₄ × ₄C₃ × ₁C₁

3 0
3 years ago
What's the answer to this
timofeeve [1]

Answer:

AC ≈ 17.3 , BC ≈ 5.3

Step-by-step explanation:

using the tangent ratio in right triangle ACD

tan51° = \frac{opposite}{adjacent} = \frac{AC}{AD} = \frac{AC}{14} ( multiply both sides by 14 )

14 × tan51° = AC , then

AC ≈ 17.3 ( to the nearest tenth )

using the cosine ratio in right triangle ABC

cos72° = \frac{adjacent}{hypotenuse} = \frac{BC}{AC} = \frac{BC}{17.3} ( multiply both sides by 17.3 )

17.3 × cos72° = BC , then

BC ≈ 5.3 ( to the nearest tenth )

5 0
2 years ago
Bomdas can someone help me with this 32-7×4+42÷6×3
monitta

25, 7*4 = 28 32-28=4 and 42/6=7*3 = 21 + 4 = 25

6 0
3 years ago
Read 2 more answers
Which is greater than 4?<br><br>(a) 5,<br>(b) -5,<br>(c) -1/2,<br>(d) -25.
Archy [21]
Answer: a). 5

Explanation:
5 > 4
5 0
3 years ago
Which expression is equivalent to<br> 5<br> 8
neonofarm [45]

Answer:

10/16

Step-by-step explanation:

Just multiply the denominator and the numerator by 2 and wha la you get 10/16 hope it helps!

4 0
2 years ago
Read 2 more answers
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