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4 years ago

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Which equation could be usedt o create the data on the table.. y=x+4 y=5x y=5x+1. Y=4x+1

1 answer:

Daniel [21]4 years ago

8 0

What table? They can all be functions. I need to see a table.

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Solve for x: 4x - 8 = 7x - 2<br>Anyone know the answer for this one?<br>Thanks!

erastovalidia [21]

Answer:

$\huge{ \fbox{ \tt{x = - 2}}}$

Step-by-step explanation:

$\underline{ \underline{ \mathfrak{Let's \: solve}}} :$

$\star{ \sf{ \: \: 4x - 8 = 7x - 2}}$

$\text{Step \: 1} : \sf{Move \: 7x \: to \: left \: hand \: side \: and \: change \: its \: sign}$

$\mapsto{ \sf{4x - 7x - 8 = - 2}}$

$\text{Step \: 2} : \sf{Move \: 8 \: to \: right \: hand \: side \: and \: change \: its \: sign}$

$\mapsto{ \sf{4x - 7x = - 2 + 8}}$

$\text{Step \: 3} : \sf{Collect \: like \: terms}$

$\sf{Like \: terms \: are \: those \: which \: have \: same \: base}$

$\mapsto{ \sf{ - 3x = - 2 + 8}}$

$\text{Step \: 4} : \sf{Calculate}$

$\underline{ \text{Remember!}} : \sf{The \: negative \: and \: positive \: integers \: are \: always \: subtracted \: but \: posses \: the \: sign \: of \: the \: bigger \: integer.}$

$\mapsto{ \sf{ - 3x = 6}}$

$\text{Step \: 4} : \sf{Divide \: both \: sides \: by \: - 3}$

$\mapsto{ \sf{ \frac{ - 3x}{ - 3} = \frac{6}{ - 3}}}$

$\text{ Step \: 4} : \sf{Calculate}$

$\mapsto{ \sf{x = - 2}}$

Hope I helped!

Best regards! :D

~ $\sf{TheAnimeGirl}$

3 0

3 years ago

The half-life of carbon 14 is years. How much would be left of an original -gram sample after 2,292 years? (To the nearest whole

lozanna [386]

Answer:

A = 0.75 gram or 1 gram

Step-by-step explanation:

The half-life of carbon 14 is years. How much would be left of an original -gram sample after 2,292 years? (To the nearest whole number).

We can use the following formula for half-life of $^{14}C$ to find out how much is left from the original sample after 2,292 years:

$A = A_{0}e^{-0.000124t}$

where:

<em>A</em> is the amount left of an original gram sample after <em>t</em> years, and

$A_{0}$ is the amount present at time <em>t</em> = 0.

The half-life of $^{14}C$ is the time <em>t</em> at which the amount present is one-half the amount at time <em>t </em>= 0.

If 1 gram of $^{14}C$ is present in a sample,

Solve for A when t = 2,292:

Substituting $A_{0}$ = 1 gram into the decay equation, and we have:

$A = A_{0}e^{-0.000124t}$

$A = A_{0}e^{-0.000124(2,292)}$

A = 0.75 g or 1 g

6 0

3 years ago

PLEASSE HEP MEEEEEEEE

DENIUS [597]

Answer:

s = 70

Step-by-step explanation:

$\frac{s}{10} = 7$

$10 \times \frac{s}{10} = 10 \times 7$

$s = 70$

<h2>Insta: 25k_kem</h2>

3 0

3 years ago

Please be quick i need this as soon as possible!

nevsk [136]

C is the correct answer because you can take out a 3 of both numbers and a y of both numbers

4 0

4 years ago

Carson just lit a new candle and then let it burn all the way down to nothing. The

andreyandreev [35.5K]

Answer:

Step-by-step explanation:

<em>L = 10 - 1.25t</em>

t = <em>1</em> ⇒ L = 10 - 1.25 = <em>8.75</em> inches

t = <em>2</em> ⇒ L = 10 - 1.25(2) = <em>7.5</em> inches

t = <em>3</em> ⇒ L = 10 - 1.25(3) =<em> 6.25</em> inches

3 0

3 years ago