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2 years ago

Please help answer correctly will mark brainliest

Mathematics

2 answers:

Ierofanga [76]2 years ago

5 0

Answer:

x¹⁵

Step-by-step explanation:

x¹² × x³

x^(12+3)

x¹⁵

pickupchik [31]2 years ago

4 0

Step-by-step explanation:

<u>Step 1: Simplify</u>

<u /> $x^1^2*x^3$

$x^(^1^2^+^3^)$

$x^1^5$

Answer: $x^1^5$

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An American tourist visits South Africa with $3000. The exchange rate when she arrives is

algol [13]

9514 1404 393

Answer:

$2505.80

Step-by-step explanation:

After the first exchange, the tourist has ...

$3000(12.90 R/$) = R38,700

After 7 days, she has ...

R38,700 -7(R900) = R32,400

After the second exchange, she has ...

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She gets $2505.80 at the second exchange.

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2 years ago

-12 - 6p - (-2) combining like terms with negative coefficients

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- 12 - 6p - (-2) =

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2 years ago

Solve the system of equations by graphing. x+y=-9 4x+y=-19

shutvik [7]

For this case we have the following system of equations:

$x + y = -9\\4x + y = -19$

We multiply the first equation by -4:

$-4x-4y = 36$

We have the following equivalent system of equations:

$-4x-4y = 36\\4x + y = -19$

We add the equations:

$-4x + 4x-4y + y = 36-19\\-3y = 17\\y = - \frac {17} {3}$

We find the value of the variable "x":

$x = -9-yx = -9 - (- \frac {17} {3})\\x = -9 + \frac {17} {3}\\x = \frac {-27 + 17} {3}\\x = - \frac {10} {3}$

Thus, the solution of the system is:

$(x, y): (- \frac {10} {3}, - \frac {17} {3})$

See the graphic in the attached image

ANswer:

$(x, y): (- \frac {10} {3}, - \frac {17} {3})$

See the graphic in the attached image

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2 years ago

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2 years ago

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The answer is:

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Hope this helps :)

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2 years ago