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3 years ago

I need help with this

Mathematics

1 answer:

lianna [129]3 years ago

6 0

Answer:

Step-by-step explanation:

The sides are congruent.

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Any ideas friends? cant seem to figure this out

kati45 [8]

I = 7.6*10^(-4) is the given intensity of the sound
Io = 10^(-12), which is a constant usually shown in a table or in your book

Plug in those values to get
B = 10*log(I/Io)
B = 10*log((7.6*10^(-4))/(10^(-12)))
B = 88.808135922808
B = 88.81

Answer: Approximately 88.81 decibels

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3 years ago

Based on the graph, what are the approximate solutions to the equation −3x + 8 = (0.25)x?

storchak [24]

Let

$f(x)=3x+8$

$g(x)=0.25^{x}$

in this problem

f(x)=g(x)

$3x+8=0.25^{x}$

using a graph tool

the solution is the intersection of both graphs

see the attached figure

the solutions are

x=-1.89

x=2.66

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4 years ago

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Makovka662 [10]

True I think it’s true

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3 years ago

Read 2 more answers

A) average of p and 10 is 16,p=?<br>b) average of z and 12 is 10,z=?

Ahat [919]

Answer:

p = 22

z = 8

Step-by-step explanation:

Average is sum of the terms divided by number of terms.

<u>Question # 1:</u>

Given that:

$\displaystyle \frac{p+10}{2} = 16\\\\Multiply\ both\ sides\ by \ 2]]\\ p+10 = 2 \times 16\\\\p+10 = 32\\\\Subtract \ 10\ to \ both \ sides\\\\p = 32-10\\\\p = 22$

<u>Question # 2:</u>

Given that:

$\displaystyle \frac{z+12}{2} = 10\\\\Multiply \ both \ sides \ by \ 2\\\\z+12 = 10 \times 2\\\\z+12 = 20\\\\Subtract \ 12\ to \ both \ sides\\\\z = 20-12\\\\z = 8\\\\\rule[224]{225}{2}$