Can someone please help me on this ty!!

Mathematics

1 answer:

12345 [234]3 years ago

3 0

Answer: There were 624 girls at the football game.

Step-by-step explanation:

Take 1560 divide it by 20 and then multiply it by 8. You are welcome :)

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Nitella [24]

Answer:

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Step-by-step explanation:

7 0

3 years ago

Read 2 more answers

Help with this math question please

Usimov [2.4K]

$INEQUALITIES \\ \\ \\\\Given \: \: expression \: \: - \\ \\ x - \frac{45}{x} \: < \: - 4 \\ \\ \frac{ {x}^{2} - 45 }{x} < - 4 \\ \\ {x }^{2} - 45 < - 4x \\ \\ {x}^{2} + 4x - 45 < 0 \\ \\ (x + 9)(x - 5) < 0 \\ \\ Therefore \: \: , \: \\ \\ x \: lies \: in \:the \: interval \: \: (-9,5) \:$

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3 years ago

A model rocket is launched with an initial upward velocity of 100 ft/s. The rocket's height h (in feet) after t seconds is given

tamaranim1 [39]

$\bf \stackrel{h}{34}=100t-16t^2\implies 16t^2-100t+34=0\\\\\\ 8t^2-50t+17=0
\\\\\\
~~~~~~~~~~~~\textit{quadratic formula}
\\\\
\stackrel{\stackrel{a}{\downarrow }}{8}t^2\stackrel{\stackrel{b}{\downarrow }}{-50}t\stackrel{\stackrel{c}{\downarrow }}{+17}=0
\qquad \qquad 
t= \cfrac{ - b \pm \sqrt { b^2 -4 a c}}{2 a}$

$\bf t=\cfrac{ - (-50) \pm \sqrt { (-50)^2 -4(8)(17)}}{2(8)}\implies t=\cfrac{50\pm \sqrt{2500-544}}{16}
\\\\\\
t=\cfrac{50\pm\sqrt{1956}}{16}\implies t=\cfrac{50\pm\sqrt{4\cdot 489}}{16}\implies t=\cfrac{50\pm\sqrt{2^2\cdot 489}}{16}
\\\\\\
t=\cfrac{50\pm 2\sqrt{489}}{16}\implies t=\cfrac{25\pm \sqrt{489}}{8}\implies t\approx
\begin{cases}
5.88916805\\
0.36083195
\end{cases}$

4 0

3 years ago

333×45555555÷900099=

Artist 52 [7]

333×45555555÷900099=

15185185/901

7 0

3 years ago

A pair of sneakers which normally cost $120 is on sale for $78. What is the percent markdown(percent decrease)?

SSSSS [86.1K]

Answer:If the original price was $120 and it dropped down to 78 the Mark down price percentage will be 53.85%

Step-by-step explanation:

8 0

3 years ago