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2 years ago

Hey!

Mathematics

2 answers:

Talja [164]2 years ago

8 0

Answer:

x=4

Step-by-step explanation:

2x+16=8
2x=16-8
x=8/2
x=4

<h2>Mark as brainliest if it helps . </h2>

7nadin3 [17]2 years ago

7 0

<h3>Step-by-step explanation:</h3>

${ \qquad{ \sf \green{Answer \downarrow}}}$

Subtract 16 from both sides of the equation.

${ \qquad{\longmapsto \sf \red{2x + 16 - 16 = 8 - 16}}}$

<h2> ${ \qquad{\longmapsto \sf \blue{Simplify \: now}}}$ </h2>

Subtract the numbers

${ \qquad{\longmapsto \sf \red{2x = 8}}}$

Divide both sides of the equation by the same term.

${ \qquad{\longmapsto \sf \green{ \frac{2x}{2} = \frac{ 8}{2} }}}$

Cancel terms that are in both the numerator and denominator

${ \qquad{\longmapsto \sf{ \qquad\longrightarrow\quad\sf \dfrac{\cancel{2x}}{\cancel{2} } = }}}\qquad\quad\sf\dfrac{\cancel{ 8}}{\cancel{2}}$

${ \qquad{\longmapsto \sf{x = {\qquad{ \sf \pink{ 4}}}}}}$

${ \red{ \rule{9cm}{0.1cm}}}$

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Which expression is equivalent to 20c - 8d?

bagirrra123 [75]

C.

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2 years ago

a washer and a dryer cost $640 combined. the washer cost $60 less than the dryer . what is the cost of the dryer?

Delvig [45]

Answer:

380

Step-by-step explanation:

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3 years ago

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3 years ago

Rolf spent 15 hours last week practicing his saxophone. If 3/10 of the time was spent practicing warm-up routines, how much time

rusak2 [61]

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2 years ago

Given the following geometric sequence, find the 12th term: {2, -4, 8, ...}.

BaLLatris [955]

2 times what = -4?
-2 does
-2 x 2 = -4

-4 time what = 8?
Again, -2.
-2 x -4 = 8

You could do this over and over again or make a table, or you can make a function.
f(n) = f(1) • r $^{n-1}$
f(1) in this case is 2.
f(n) = 2 • r $^{n-1}$
r is rate of change, which is -2.
f(n) = 2 • -2 $^{n-1}$
To find the 12th number in the sequence, just substitute n for 12.
f(12) = 2 • -2 $^{12-1}$
f(12) = 2 • -2 $^{11}$
-2^11 = -2048
2 x -2048 = -4096
So the 12th number in the sequence will be -4096.

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3 years ago