$D:2x+7 \ \textgreater \ 0\ and\ 2x+7\neq1\\2x \ \textgreater \ -7\ and\ 2x\neq-6\\x \ \textgreater \ -3.5\ and\ x\neq-3\\\\\log_{(2x+7)}27=3\iff(2x+7)^3=27\\\\(2x+7)^3=3^3\iff2x+7=3\ \ \ |subtract\ 7\ from\ both\ sides\\\\2x=-4\ \ \ |divide\ both\ sides\ by\ 2\\\\\boxed{x=-2}\in D$

6 0

3 years ago

Read 2 more answers

What is the area of a triange that has a base of 30 meters and a height of 12 meters? <br><br>

liq [111]

1/2 *30*12=180

The area of the triangle is 180 meters squared

Hope this helped!

7 0

4 years ago

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If a barrel is 1/5 full and holds 16 litres how many litres will it hold when 1/2 full how does it fill

aivan3 [116]

Answer:

40liters

Step-by-step explanation:

Given data

1/5 full holds 16 liters

1/2 full barrel will hold???

Let 1/2 full barrel hold x liters

1/5 holds 16 liters

1/2 will hold x

cross multtiply

1/2*16= x/5

8= x/5

x= 8*5

x= 40 liters

Hence 1/2 full will hold 40liters

7 0

3 years ago

The computer lab at a high school order 26 packages of CDs there were 50 CDs in each package how many CDs did the computer lab o

Hitman42 [59]

The computer lab ordered 1300 CDs

Step-by-step explanation:

Simple product has to be used to calculate the number of CDs ordered by computer lab

Given

Total packages = P = 26

Total CDs in each package = C = 50

So the total number of CDs will be:

$Total\ CDs = P*C\\= 26 * 50\\=1300$

Hence,

The computer lab ordered 1300 CDs

Keywords: Multiplication, Unit prices

Learn more about unit prices at:

#LearnwithBrainly

3 0

3 years ago