3 years ago

Hi! please help i’ll give brainliest

Mathematics

1 answer:

inysia [295]3 years ago

4 0

Answer:

give brainliest

Step-by-step explanation:

then i help

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Pls solve showing steps, thanks!<br><br> 7^4n+19/7^3n-1•7^n+20

Vinvika [58]

Answer:

This expression can be simplified to 1

Step-by-step explanation:

$\frac{7^{4n + 19}}{7^{3n - 1}\times{7^{n + 20}}}\\\\= \frac{7^{4n + 19}}{7^{3n - 1 + n + 20}}\\\\= \frac{7^{4n + 19}}{7^{(3n + n) + (20 - 1)}}\\\\= \frac{7^{4n + 19}}{7^{4n + 19}}\\\\= 1$

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3 years ago

Please help! Identify the minimum value of the function y=3x^2-12x+10.

Dimas [21]

The lowest point is at the vertex, or U-turn.

$\bf \textit{ vertex of a vertical parabola, using coefficients}\\\\
\begin{array}{llccclll}
y = &{{ 3}}x^2&{{ -12}}x&{{ +10}}\\
&\uparrow &\uparrow &\uparrow \\
&a&b&c
\end{array}\qquad 
\left(-\cfrac{{{ b}}}{2{{ a}}}\quad ,\quad {{ c}}-\cfrac{{{ b}}^2}{4{{ a}}}\right)
\\\\\\
\left( -\cfrac{-12}{2(3)}~~,~~10-\cfrac{(-12)^2}{4(3)} \right)\qquad \textit{so the lowest value is at }10-\cfrac{(-12)^2}{4(3)}$

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3 years ago

A recipe has a ratio of 2 cups of dark soy sauce to 3 cups of light soy sauce. How many cups

Tanya [424]

Answer:

2/3 cup

Step-by-step explanation:

2:3

2/3:1

2/3=0/66 repeating

simplified to a fraction its 2/3

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3 years ago

If the height and base of the parallelogram shown are each decreased by 2 cm, what is the area of the new parallelogram?

vekshin1

Answer:

Step-by-step explanation:

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3 years ago

-hello10olleh (hello)

leonid [27]

Answer: The slope of the line is b. 3

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2 years ago

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