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Afina-wow [57]
3 years ago
7

Got the equation just don’t have a calculator to do the rest

Mathematics
2 answers:
vitfil [10]3 years ago
8 0

Answer:

$159.985 that is the answer i got by using this equation 21\left(1-0.0858\right)\frac{100}{12}

$159985 using this equation 21000\left(1-0.0858\right)\frac{100}{12}

$9944.03786 using this equation 21000\left(1-0.0858\right)^{\frac{100}{12}}

$9.94403 using this equation 21\left(1-0.0858\right)^{\frac{100}{12}}

Step-by-step explanation:

I couldnt quite understand the equation, so i done it multiple ways. Hope this helps

Goryan [66]3 years ago
6 0

Step-by-step explanation:

y=21000(1-0.0858)^\frac{100}{12}

y=21000(0.9142)^\frac{100}{12}

y= 9944.037

So, after a 100 months, the car's worth would be $9,944.04

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Please help it’s urgent . Grade 11 homework
AlexFokin [52]

Answer:

(l) y=2x-2

(ll) y=4x+1

(lll) y=5x+13

(lV) y=-3x-6

(V) y=-5x-17

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5 0
1 year ago
The radius of a 10 inch right circular cylinder is measured to be 4 inches, but with a possible error of ±0.1 inch. What is the
lidiya [134]

Answer:

25.13274125 in³


Step-by-step explanation:

The radius = 4 ± 0.1

height = 10

Volume of a cylinder = πr²h

Actual volume of the cylinder = π × 4² × 10

                                                  = 502.6548246

Maximum volume = π × 4.1² × 10

                              = 528.1017251

Minimum volume = π × 3.9² × 10

                              = 477.8362426

Average error = (528.1017251 - 477.8362426)/2

                        = 50.2654825/2

                       = 25.13274125 in³

The units are inches cubed.

3 0
3 years ago
A rock is thrown upward with an initial velocity of 16 ft/s from an initial height of 5 ft. How much time does it take for the r
Bogdan [553]
Check the picture below.

so it hits the ground when y = 0, thus

\bf ~~~~~~\textit{initial velocity}\\\\
\begin{array}{llll}
~~~~~~\textit{in feet}\\\\
h(t) = -16t^2+v_ot+h_o
\end{array} 
\quad 
\begin{cases}
v_o=\stackrel{16}{\textit{initial velocity of the object}}\\\\
h_o=\stackrel{5}{\textit{initial height of the object}}\\\\
h=\stackrel{}{\textit{height of the object at "t" seconds}}
\end{cases}

\bf h(t)=-16t^2+16t+5\implies \stackrel{h(t)}{0}=-16t^2+16t+5
\\\\\\
16t^2-16t-5=0\implies (4t+1)(4t-5)=0\\\\
-------------------------------\\\\
4t+1=0\implies 4t=-1\implies t=-\cfrac{1}{4}\\\\
-------------------------------\\\\
4t-5=0\implies 4t=5\implies t=\cfrac{5}{4}\implies \boxed{t=1\frac{1}{4}}

since "t" is seconds it took, it can't be a negative amount.

5 0
3 years ago
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ollegr [7]

Answer:

c = 12.

Step-by-step explanation:

Fill in what you know. 28 = 5 + 11 + c. Add 5 and 11 together. 28 = 16 + c. Then subtract 16 from both sides 28 - 16 = 16 - 16 +c. Then the number you have left is your answer.

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