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3 years ago

Help Please I need to finish my assignments still

Mathematics

1 answer:

sweet [91]3 years ago

3 0

Answer:

4.155

Step-by-step explanation:

4.53-0.375=4.155

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The length of time (T) in seconds it takes the pendulum of a clock to swing through one compete cycle is givenby the formulaT= 2

Zanzabum

we have the formula

$T=2\pi\sqrt{\frac{L}{32}}$

For T=2 seconds

substitute in the given formula

$\begin{gathered} 2=2\pi\sqrt{\frac{L}{32}} \\ \\ 1=\frac{22}{7}\sqrt{\frac{L}{32}} \\ \\ squared\text{ both sides} \\ \\ (\frac{7}{22})^2=\frac{L}{32} \\ \\ L=\frac{7^2*32}{22^2} \\ \\ L=3.24\text{ ft} \end{gathered}$

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1 year ago

Which choices are common factors of the numerator and denominator of the fraction below ? Check all that apply

melomori [17]

Answer:

1 and 7

Step-by-step explanation:

21: 1, 3, 7, 21

28: 1, 2, 4, 7, 14, 28

Common: 1, 7

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4 years ago

Solve for x: -8 < 3x +1 < 13

Goshia [24]

$\large\displaystyle\text{$\begin{gathered}\sf \boldsymbol{\sf{-8 < 3x+1 < 13 }} \end{gathered}$}$

$\large\displaystyle\text{$\begin{gathered}\sf \boldsymbol{\sf{-8+-1 < 3x+1+-1 < 13+-1 \ (Add \ -1 \ to \ all \ parts) }} \end{gathered}$}$

$\large\displaystyle\text{$\begin{gathered}\sf \boldsymbol{\sf{\frac{-9}{3} < \frac{3x}{3} < \frac{12}{3} \ (Divide \ all \ parts \ by \ 3) }} \end{gathered}$}$

$\red{\boxed{\large\displaystyle\text{$\begin{gathered}\sf \boldsymbol{\sf{-3 < x < 4 }} \end{gathered}$} }}$

3 0

2 years ago

What is the maximum number of turns in the graph of<br> f(x) = 2x² – 2r²+71-25,

AnnZ [28]

Answer:

1 it's a parabola

Step-by-step explanation:

4 0

3 years ago

Clara estimates that the length of a hiking trail is 5.75 km. She later learns that its actual length is 6.25 km. What is the pe

antoniya [11.8K]

8.0% is the answer. To solve these problems just do actual length minus her guess which gives you 0.5. Then divide what you got by the actual length. 0.5 divided by 6.25 is 0.08. Multiply that by 100. 0.08 x 100 is 8 which means the answer is 8.0% :)

5 0

3 years ago