20POINTS ANSWER QUICK I WILL MARK BRAINLIEST

Mathematics

1 answer:

Gre4nikov [31]3 years ago

7 0

Answer:

Rotational line symmetry & Vertical line symmetry

Hope its correct

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Can someone explain these to me?

s344n2d4d5 [400]

Answer:

Question 2: 4^12

Question 3: (9/64x)^11

Step-by-step explanation:

4 0

3 years ago

The answer to this word problem usinf discriminant

solniwko [45]

$\bf h=-9.8t^2+45t+1.2\implies 64.5=-9.8t^2+45t+1.2
\\\\\\
0=-9.8t^2+45t-63.3\\\\
-------------------------------$

$\bf \qquad \qquad \qquad \textit{discriminant of a quadratic}
\\\\\\
0=\stackrel{\stackrel{a}{\downarrow }}{-9.8}t^2\stackrel{\stackrel{b}{\downarrow }}{+45}t\stackrel{\stackrel{c}{\downarrow }}{-63.3}
~~~~~~
\stackrel{discriminant}{b^2-4ac}=
\begin{cases}
0&\textit{one solution}\\
positive&\textit{two solutions}\\
negative&\textit{no solution}
\end{cases}
\\\\\\
(45)^2-4(-9.8)(-63.3)\implies -456.36$

the discriminant is a negative value, thus no solution for such quadratic, meaning if we use h=64.5 like we did, there's no "t" seconds at which point the ball hits the batting cage.

8 0

3 years ago

Solve the inequality.

ANEK [815]

Answer:

P<-28...u should do this

4 0

3 years ago

Please help me on this and dont play around

katrin [286]

Answer:

ummmm 90% sure its 13/10.......?