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artcher [175]
2 years ago
7

ASAP!! madeline invested $2,800 in an account paying an interest rate of 4.4% compounded annually. assuming no deposits or withd

rawals are made, how long would it take to the nearest tenth of a year for the value of the account to reach $6,100?
Mathematics
2 answers:
Eva8 [605]2 years ago
8 0

Answer:

18.1

Step-by-step explanation:

abruzzese [7]2 years ago
7 0

Answer: not an answer just help

Step-by-step explanation:

Figure out the difference between his start $ and the end $ then divide 2800 by 4.4 and multiply the sum till you get the difference from the first part

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maksim [4K]
The slope for the graph is 2/3 and for the equation the slope is 3/2
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3 years ago
Suppose a cylinder has a diameter of 18 feet and a height of h feet. Which equation can be used to find V, the volume of the cyl
IrinaVladis [17]

Answer: option A

Step-by-step explanation:

The volume of a cylinder can be calculated with the formula:

V=\pi r^2h

Where r is the radius and h is the height of the cylinder.

The radius is diameter divided by 2, then:

r=\frac{18ft}{2}\\\\r=9ft

Substitute the radius into the formula. Then you get the following equation that can be used to find V, the volume of the cylinder:

V=\pi (9)^2h

3 0
3 years ago
Read 2 more answers
Determine the values of the constants b and c so that the function given below is differentiable. f(x)={2xbx2+cxx≤1x>1
Lera25 [3.4K]
Assuming the function is

f(x)=\begin{cases}2x&\text{for }x\le1\\bx^2+cx&\text{for }x>1\end{cases}

For f(x) to be differentiable, it necessarily has to be continuous. For this condition to be met, we need

\displaystyle\lim_{x\to1^-}f(x)=\lim_{x\to1^+}f(x)=f(1)
\iff\displaystyle\lim_{x\to1}2x=\lim_{x\to1}(bx^2+cx)
\iff2=b+c

For the derivative to exist, the one-sided limits of the derivative must also exist and be equal. We have

f'(x)=\begin{cases}2&\text{for }x1\end{cases}

\displaystyle\lim_{x\to1^-}2=\lim_{x\to1^+}(2bx+c)
\iff2=2b+c

Now we solve for b and c:

\begin{cases}b+c=2\\2b+c=2\end{cases}\implies b=0,c=2
5 0
3 years ago
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frez [133]

7. \frac{1}{127}

8. a^{5}b^{6}c^{4}

9.a^{2} b^{2} c^{3}

10. \frac{1}{x^{3} }

4 0
3 years ago
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A card is selected at random from an ordinary deck of 52 cards. What is the probability that it is either an ace or a spade
tamaranim1 [39]

Answer: 4/13

Step-by-step explanation:

Number of cards in a deck = 52

Number of spades = 13

Number of aces = 4

Number of ace of spade = 1

Probability of either a spade or an ace :

P(spade or ace) = P(spade U ace)

P(spade U ace) = p(spade) + p(ace) - p(spade n ace)

Probability = required outcome / Total possible outcomes

P(spade) = 13 / 52

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P(spade U ace) = p(spade) + p(ace) - p(spade n ace)

= 13/52 + 4/52 - 1/52

= 16 / 52 = 4 /13

8 0
2 years ago
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