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4 years ago

Pleas ecan i have some more additional help

Mathematics

1 answer:

Yanka [14]4 years ago

3 0

Answer:

formulae is pie ×d/2 + d

25.71 is the answer

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Judith has \$70 in a savings account that earns 5% interest , compounded annually .

Firlakuza [10]

Answer:

$81.03

Step-by-step explanation:

Given

$n = 1$ --- annually

$t =3$ --- time

$r = 5\%$ --- rate

$PV = \$70$ ---- Present value

Required

The future value

This is calculated as:

$FV = PV * (1 + \frac{r}{n})^{nt}$

This gives:

$FV = 70 * (1 + \frac{5\%}{1})^{1*3}$

$FV = 70 * (1 + 5\%)^3$

$FV = 70 * (1.05)^3$

$FV = 70 * 1.157625$

$FV = 81.03375$

<em>The future value to the nearest cent is: $81.03</em>

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3 years ago

What is the constant of variation kk of the direct variation, y =kx through (-3,2)?

irakobra [83]

$\bf \qquad \qquad \textit{direct proportional variation}
\\\\
\textit{\underline{y} varies directly with \underline{x}}\qquad \qquad y=kx\impliedby 
\begin{array}{llll}
k=constant\ of\\
\qquad variation
\end{array}\\\\
-------------------------------\\\\
\stackrel{(-3~~,~~2)}{\textit{we also know that }}
\begin{cases}
x=-3\\
y=2
\end{cases}\implies 2=k(-3)\implies \cfrac{2}{-3}=k$

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3 years ago

Square root of 0.0645 divided by 0.0082

katrin [286]

Answer:

30.9717685346

Step-by-step explanation:

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2 years ago

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What is cos X? picture provided below

olasank [31]

SOH-CAH-TOA
Sine = Opposite over Hypotenuse, Cosine = Adjacent over Hypotenuse and Tangent = Opposite over Adjacent

Hey Dewild,

Remember this for cosign or cos. COS = Adjacent over Hypotenuse

24/26 = 0.92

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3 years ago

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Digiron [165]

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3 years ago