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Marta_Voda [28]
3 years ago
15

Hi please answer 7-10 I will give you brainlst <3 and extra points .

Mathematics
1 answer:
dybincka [34]3 years ago
6 0

Answer:

7. -7/4, 8. 2, 9. (4, 2), 10. (-2, 3)

Step-by-step explanation:

\frac{y_{2} - y_{1}  }{x_{2}  - x_{1} }  is the equation that will be used for 7 and 8

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Simplify the following. (x²+2x)-(x²-7x)​
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Step-by-step explanation:

(x² + 2x) - (x² - 7x) ← distribute parenthesis

= x² + 2x - x² + 7x ← collect like terms

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Step-by-step explanation:

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2 years ago
15.04 written as a mixed number
sattari [20]
15 and 1/25 is the mixed number for 15.04 

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I am having trouble with this could somebody give me a hand
MrRa [10]

check the picture below.


\bf \textit{vertex of a vertical parabola, using coefficients} \\\\ h(t)=\stackrel{\stackrel{a}{\downarrow }}{-16}t^2\stackrel{\stackrel{b}{\downarrow }}{+100}t\stackrel{\stackrel{c}{\downarrow }}{+12} \qquad \qquad \left(-\cfrac{ b}{2 a}~~~~ ,~~~~ c-\cfrac{ b^2}{4 a}\right)


\bf \left( -\cfrac{100}{2(-16)}~~,~~12-\cfrac{100^2}{4(-16)} \right)\implies \left( \cfrac{25}{8}~~,~~12+\cfrac{625}{4}\right) \\\\\\ \left(\cfrac{25}{8}~,~\cfrac{673}{4} \right)\implies \left(\stackrel{\stackrel{\textit{took this long}}{\downarrow }}{3\frac{1}{8}}~~,~~\stackrel{\stackrel{\textit{went this high}}{\downarrow }}{168\frac{1}{4}} \right)

5 0
4 years ago
Determine the volume of a rectangular prism with a base area of 7/12 ft² and a height of 1/3 ft.
TiliK225 [7]

Answer:

7/36 ft^3

Step-by-step explanation:

7/12 * 1/3 = 7/36

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