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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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Two rectangular lawns are similar shapes.
Reil [10]

Answer:

The answer to your question is Area = 37500 ft²

Step-by-step explanation:

Data

lawn 1                                       lawn 2

width = 550 ft                          width = 250 ft

Area = 181500 ft²                     Area = ?

Process

1.- Find the length of lawn 1

Area = length x width

-solve for length

length = Area/width

-Substitution

length = 181 500 ft²/ 550

-result

length = 330 ft

2.- Find the length of lawn 1 using ratios and  proportions

                     550 : 330 :: 250 : x

                      x = (250 x 330) / 550

                      x = 150 ft

3.- Find the area of lawn 2

-Substitution

Area = 250 x 150

-Result

Area = 37500 ft²

6 0
4 years ago
What is the least common multiple of 4x^3, 9y, and 12x^3y
blondinia [14]

Answer: 36x^3y

Step-by-step explanation:

The least common multiple (LCM) of two or more non-zero whole numbers is the smallest whole number that is divisible by each of those numbers. In other words, the LCM is the smallest number that all of the numbers divide into evenly.

5 0
3 years ago
Read 2 more answers
Suppose a study estimated that 63% of the residents of a community (with an
Anvisha [2.4K]

Answer:

Answer choice A(57%)

Step-by-step explanation:

The margin of error is 7%. This means the 63% could either 7% too high or 7% too low. Answer choice A is the only answer choice that is within the range of percents that it could possibly be(between 56% and 70%). Answer choice B is 10% off, 3% out of the range. Answer choice C is 25% off, 18% out of the range. Answer choice D is 32% off, 24% out of the range. Hope this helps. :)

3 0
3 years ago
A customor calculated the cost of a new jacket c including a 7% sales tax.what are the ways to calculate the price including tax
Svetach [21]
Multiply the cost of an item or service by the sales tax in order to find out the total cost. The equation looks like this: Item or service cost x sales tax (in decimal form) = total sales tax. Add the total sales tax to the Item or service cost to get your total cost.
4 0
3 years ago
Pleas help me fast!
Lunna [17]

Answer:

35

Step-by-step explanation:

17-7+5^2  Divide 28 by 4

17-7+25  5 to the power 2 is 25

10+25     add 25 and 10 and you get 35.

35

4 0
3 years ago
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