3 years ago

I’m confused on this

Mathematics

1 answer:

Colt1911 [192]3 years ago

8 0

Angle ABC would equal 36 degrees because angleDBC is congreunt to angle ABD.

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27^x = 9^x − 4 Question 1 options: x = 8 x = 4 x = −4 x = −8

Mariulka [41]

Answer:

x = -8

Step-by-step explanation:

Given the equation:

$27^x=9^{x-4}$

Note that

$27=3^3\\ \\9=3^2,$

then

$27^x=(3^3)^x=3^{3x}\\ \\9^{x-4}=(3^2)^{x-4}=3^{2(x-4)}$

Rewrite the equation as

$3^{3x}=3^{2(x-4)},$

then

$3x=2(x-4)\\ \\3x=2x-8\\ \\3x-2x=-8\\ \\x=-8$

4 0

3 years ago

What do you add to 4 1/9 to make 6?

Tema [17]

Answer:

1 8/9

Step-by-step explanation:

4 1/9 + 1 8/9=6 ........

5 0

2 years ago

Khan academyyyy ⠀⠀⠀⠀⠀⠀⠀⠀

matrenka [14]

Answer:

option A, C , E

Step-by-step explanation:

- 4 + ( 4 + 5 ) = ( - 4 + 4 ) + 5 [ associative property ]

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3 years ago

Read 2 more answers

Which I greater 205/1000 or 0.205

WITCHER [35]

Neither...

205/1000 equals .205

they're both kinda the same.
Hope you'll get an A

6 0

2 years ago

Read 2 more answers

Can someone old help this is not a quiz it is just homework.

evablogger [386]

Answer:

Division property of equality

Step-by-step explanation:

to find n you would have to divide 16 by 8 which gives you 2

8 0

2 years ago