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andrezito [222]
3 years ago
7

The loudness of a jackhammer is a 96 dB. It sounds intense is about _____ . The Loudness of a compactor is 94 dB. It's sound int

ensity is about
Mathematics
1 answer:
aleksandr82 [10.1K]3 years ago
8 0

Answer:

loudness of a jack hammer .004 loudness of a compactor .0025

Step-by-step explanation:

Because edge

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What is this (2⋅3) ^2 −5^2 = I don't know what the dot means I think it means multiplication I got 11 am I right
Lana71 [14]

Answer:

11

Step-by-step explanation:

Step 1: Parenthesis

6² - 5²

Step 2: Exponents

36 - 25

Step 3: Subtract

11

The dot is multiplication.

8 0
3 years ago
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Suppose a basketball team had a season of games with the following characteristics: Of all the games, 60% were at-home games. De
Sedaia [141]

Answer:

E. P(W | H)

Step-by-step explanation:

What each of these probabilities mean:

P(H): Probability of the game being at home

P(W): Probability of the game being a win.

P(H and W): Probability of the game being at home and being a win.

P(H|W): Probability of a win being at home.

P(W|H): Probability of winning a home game.

Which of the following probabilities do you need to find in order to determine the proportion of at-home games that were wins?

This is the probability of winning a home game. So the answer is:

E. P(W | H)

6 0
3 years ago
If 96 grams of carbon-14 are originally present in a fossilized plant at the present time, how much will remain after 17,000 yea
Elden [556K]
Well, you already have the decay model, so just plug that in

\bf A=96e^{-0.000121\cdot 17000}\implies A=96e^{-2.057}
5 0
3 years ago
Write an equation for a cosine function with an amplitude of 5, a period of 3, a phase shift of 2, and a vertical displacement o
kramer

Answer:

y = 5 cos ((2π/3)x - 2) + 2

Step-by-step explanation:

Cosine function takes a general form of  y = A cos (Bx + C) + D

Where

A is the amplitude

2π/B is the period

C is the phase shift ( if -C, then phase shift right, if +C phase shift left)

D is the vertical displacement (+D is above and -D is below)

Given the conditions of the function to build and the general form, we can write:

** Note: period needs to be 3, so 2π/B = 3, hence B = 2π/3

Now we can write:

y = 5 cos ((2π/3)x - 2) + 2

first answer choice is right.

8 0
3 years ago
Fill in the blanks with two consecutive integers to complete the following inequality.
Alona [7]
Sqrt of 56 is about 7.5

So 6 would be in the first blank and 8 would be in the second blank.

6,7,8 are consecutive
7 0
3 years ago
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