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Rufina [12.5K]
3 years ago
5

How do you write the expression without a fraction bar; a to the seventh/a to the tenth

Mathematics
1 answer:
Len [333]3 years ago
4 0
\frac{\frac{1}{7}}{\frac{1}{10}}=\frac{1}{7}:\frac{1}{10}=\frac{1}{7}\cdot\frac{10}{1}=\frac{10}{7}=1\frac{3}{7}
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Este curso nuestro instituto tiene 473 alumnos. Si nos dicen que respecto al curso anterior se ha producido un aumento de inscri
tester [92]

Answer:

En el curso anterior había 430 alumnos.

Step-by-step explanation:

El curso tiene 473 alumnos. Nos dicen que respecto al curso anterior se ha producido un aumento de inscripciones del 10 %. Entonces, siendo x la cantidad de alumnos que había en el curso anterior, se puede plantear la ecuación:

x + 0.1*x= 473

Resolviendo se obtiene:

1.1*x=473

x= 473 ÷1.1

x= 430

<u><em>En el curso anterior había 430 alumnos.</em></u>

7 0
3 years ago
Help me plz! if you can
IgorLugansk [536]
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3 years ago
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6 0
3 years ago
PLEASE HELP MEEEEEE PLEASEEEEEEEE!!!!!! IM TIMED
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Set up an equation to solve.

$8.50x (since it is the rate of change) + $12 (flat fee) = total money earned (or y). In this case, we have the total, amount, and are looking for x. Plug $139.50 into the equation.

$8.50x + $12 = $139.50

Now, solve for x.

$8.50x + $12-12 = $139.50-12  > <em>$8.50x = $127.5</em>

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So, the correct answer is <u>D. Olivia babysat for 15 hours.</u>

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3 years ago
What is the answer to this equation 2+2
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Answer:

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Step-by-step explanation:

8 0
3 years ago
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