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3 years ago

7.

Mathematics

2 answers:

o-na [289]3 years ago

6 0

Answer:

answer...

Step-by-step explanation:

here is u answer

IRINA_888 [86]3 years ago

4 0

Answer:

$- \frac{1}{2} {n}^{2} + 18 = 0 \\ - \frac{1}{2} {n}^{2} = - 18 \\ {n}^{2} = - 18 \times - 2 \\ {n}^{2} = 36 \\ n = + - \sqrt{36} \\ n = + - 6$

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Evaluate the expression \dfrac{7^2}{x^2-2} x 2 −2 7 2 start fraction, 7, squared, divided by, x, squared, minus, 2, end fracti

sertanlavr [38]

Answer:

Step-by-step explanation:

We want to evaluate the fraction below for x = 3. We will put the value of x to be 3:

$\dfrac{7^2}{x^2-2}\\\\= \dfrac{7^2}{3^2-2}\\\\= \dfrac{49}{9-2}\\\\= \dfrac{49}{7} = 7$

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3 0

3 years ago

Please help and thank you.

Ulleksa [173]

Answer:

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Step-by-step explanation:

The zeros are the values of x where the graph crosses the x-axis. The graph crosses at x=5, so that is the zero.

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3 years ago

if a student has homework 72 days out of 100 what fraction and what percentage of days did the student not have homework?

neonofarm [45]

Answer:

The Student has 72% out of 100%

Step-by-step explanation:

Its the same thing but with fractions

4 0

3 years ago

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svlad2 [7]

Answer

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Step-by-step explanation:

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2 years ago

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fgiga [73]

Answer:

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Step-by-step explanation:

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