for a rectangular solid with length 12 in width 2 in in height 15 in state the appropriate formula for volume and also find the volume

Answers

Answer 1
V= l • w • h= 12•2•15=360 in^3

Related Questions

help and explain............

Answers

If the 5 of them weigh 1/4 of a ton
then 1 of them weigh x

5/1 = 1/4//x Do you see what happens? Just by writing down the givens you get a proportion. It will work better for you if you change the 1/4 to 0.25

5/1 = 0.25/x Now it looks like an ordinary proportion. Cross multiply
5x = 0.25*1 divide by 5
x = 0.25/5
x = 0.05 tons. We better change this to pounds.

1 ton = 2000 pounds
0.05 ton = x

1/0.05 = 2000/x Cross multiply
x = 2000 * 0.05
x = 100 pounds.

what is b(-10) from the given

Answers

Im not sure, but i will try to get back to you

Answer:

6

Step-by-step explanation:

Replace x with -10

[tex]b(-10) = |(-10) +4| = |-6| = 6[/tex]

Integral of y/((y^2)-1)

Answers

Hint: [tex]\dfrac y{y^2-1}=\dfrac y{(y+1)(y-1)}=\dfrac12\left(\dfrac1{y+1}+\dfrac1{y-1}\right)[/tex]

Final answer:

The integral of y/((y^2)-1) is (1/2) ln|y^2 - 1| + C.

Explanation:

To evaluate the integral of y/((y^2)-1), we can perform a substitution by letting u = y^2 - 1. Then, du = 2y dy, and the integral becomes:

∫ y/((y^2)-1) dy = (1/2) ∫ 1/u du = (1/2) ln|u| + C

Substituting back u = y^2 - 1, the final answer is (1/2) ln|y^2 - 1| + C.


(−6)∙(a+2b−3c−4d)−(−2)∙(−4a−3b+2c+d)

Answers


(−6)∙(a+2b−3c−4d)−(−2)∙(−4a−3b+2c+d)
this will give us:
-6(a+2b-3c-4d)+2(-4a-3b+2c+d)
opening the parenthesis we get:
-6a-12b+18c+24d-8a-6b+4c+2d
putting like terms together we get
-6a-8a-12b-6b+18c+4c+24d+2d
simplifying the above we get
-14a-18b+22c+26d
the answer is :
-14a-18b+22c+26d

Answer:

-14a-18b+22c+26d

A women has twice as many dimes as quarters in her purse.If the dimes were quarters and the quarters were dimes,she would have $1.20 more than she now has.How many of each does she have?

Answers

2.98 i think dont come for if it not ok

Answer:

16 dimes and 18 quarters!!

0.5x + 0.1x = 0.25x + 0.2x + 1.20

0.6x = 0.45x + 1.20

0.6x - 0.45x = 1.20

0.15x = 1.20

x = 1.20/0.15

x = 8 quarters

2x = 16 dimes

hope this helped :D

If the polynomial P(x) has roots −5, −1, 2, and 2, which of the following represents the factored form of function P(x)?

Answers

P(x)=(x-(-5))(x-(-1))(x-2)(x-2)
P(x)=(x+5)(x+1)(x-2)^2

A sample of 26 elements from a normally distributed population is selected. the sample mean is 10 with a standard deviation of 4. the 95% confidence interval for μ is

Answers

i dont understand this question

The 95% confidence interval for the population mean ( μ) is approximately (8.46,11.54), calculated from a sample of 26 elements with a mean of 10 and a standard deviation of 4.

To calculate the 95% confidence interval for the population mean (μ), we can use the formula:

Confidence interval=Sample mean±(Critical value× Sample size/Standard deviation​ )

Given:

Sample mean (xˉ ) = 10

Standard deviation (σ) = 4

Sample size (n) = 26

Confidence level = 95%

Step 1: Find the critical value from the Z-table for a 95% confidence level.

Since it's a two-tailed test, we'll find the Z-value corresponding to a cumulative probability of 0.975.

Z α/2​ =1.96

Step 2: Plug the values into the formula:

Confidence interval=10±(1.96× 26​/4​ )

Step 3: Calculate the margin of error:

Margin of error≈1.96×45.099

Margin of error≈1.96× 5.0994

Margin of error≈1.96×0.785

Margin of error≈1.5376

Step 4: Calculate the confidence interval:

Lower limit=10−1.5376

Lower limit≈8.4624

Upper limit=10+1.5376

Upper limit≈11.5376

So, the 95% confidence interval for

μ is approximately (8.4624,11.5376).

Please help me questions 9 and 10

Answers

Problem 9's answer is choice C) rotation then reflection
Problem 10's answer is choice B) 65 degrees

---------------------------------------------------------

Explanations:

For problem 9, we rotate 90 degrees clockwise to go from figure 1 to figure 2. Then we reflect over the x axis to go from figure 2 to figure 3.

------------

For problem 10, notice how
angle AEB = angle GEC
5x = 3x+10
5x-3x = 10
2x = 10
x = 5

If x = 5, then 
angle GEC = 3x+10
angle GEC = 3*5+10
angle GEC = 15+10
angle GEC = 25

So that means
angle FEG = 90 - (angle GEC)
angle FEG = 90 - 25
angle FEG = 65 degrees

Megan buys 3 bracelets and 3 necklaces. Each bracelet costs 5. Megan pays on 40 and gets 4 change. what is the cost of one necklace?

Answers

The necklaces cost $3 each

Evaluate the function at the indicated value of x. Round your result to three decimal places
F(x)=500e(0.05)^x with a value x=2

Answers

The given function is represented below:

F(x)=500e^(0.05)x with a value x=2

or, F(x) = 500 * e^(0.05*2)

( putting the value of x as 2 )

or, F(x) = 500 * e^(0.1)

or, F(x) = 500 * e^0.1

or, F(x) = 500 * e^(0.1)

or, F(x) = 500 * 1.10517092

or, F(x) = 552.585459

The value of the function at x = 2, rounded off to 3 decimal places is given by 552.585

Hope this helps..!!

Thank you :)

Read the proof. Given: m∠H = 30°, m∠J = 50°, m∠P = 50°, m∠N = 100° Prove: △HKJ ~ △LNP Statement Reason 1. m∠H = 30°, m∠J = 50°, m∠P = 50°, m∠N = 100° 1. given 2. m∠H + m∠J + m∠K = 180° 2. ? 3. 30° + 50° + m∠K = 180° 3. substitution property 4. 80° + m∠K = 180° 4. addition 5. m∠K = 100° 5. subtraction property of equality 6. m∠J = m∠P; m∠K = m∠N 6. substitution 7. ∠J ≅ ∠P; ∠K ≅ ∠N 7. if angles are equal then they are congruent 8. △HKJ ~ △LNP 8. AA similarity theorem Which reason is missing in step 2? CPCTC definition of supplementary angles triangle parts relationship theorem triangle angle sum theorem

Answers

Answer:

Step-by-step explanation:

Given: m∠H = 30°, m∠J = 50°, m∠P = 50°, m∠N = 100°

To prove: △HKJ ~ △LNP

Proof:

Step 1. m∠H = 30°, m∠J = 50°, m∠P = 50°, m∠N = 100° (Given)

Step 2. m∠H + m∠J + m∠K = 180° (Triangle angle sum theorem)

Step 3. 30° + 50° + m∠K = 180°(substitution property)

Step 4. 80° + m∠K = 180°(addition Property)

Step 5. m∠K = 100°(subtraction property of equality)

Step 6. m∠J = m∠P; m∠K = m∠N(substitution)

Step 7. ∠J ≅ ∠P; ∠K ≅ ∠N (If angles are equal then they are congruent)

Step 8. △HKJ ~ △LNP( AA similarity theorem)

Hence proved.

Thus, the missing step in 2 is (Triangle angle sum theorem)

Answer:

D) triangle angle sum theorem

Step-by-step explanation:

Just finished the test!!

In a factory a manager tests 250 products and find defcts in 7 of them how many defcts are likely going to be in 10000 unit order

Answers

So first you take 7/250*x/10000 and you cross multiply. Then you get
70000=250x
and the answer is 
x=280


I hope this helps!!!!!!!

jennifer made $74,900 last year she pay 6% state income tax, 15% federal income tax 6.2% for social security and 1.45% for medicare what is her monthly income? what was her net monthly income

Answers

Final answer:

To calculate Jennifer's monthly income, divide her annual income by 12. Then, subtract the deductions and taxes to find her net monthly income.

Explanation:

To calculate Jennifer's monthly income, we need to divide her annual income by 12, since there are 12 months in a year. So, Jennifer's monthly income would be $74,900 / 12 = $6,241.67.

To calculate Jennifer's net monthly income, we need to subtract the deductions and taxes from her monthly income. First, let's calculate the deductions:

State income tax: 6% of $6,241.67 = $374.50Federal income tax: 15% of $6,241.67 = $936.25Social Security: 6.2% of $6,241.67 = $386.67Medicare: 1.45% of $6,241.67 = $90.39

Now, we can subtract these deductions from Jennifer's monthly income:

Net monthly income = $6,241.67 - $374.50 - $936.25 - $386.67 - $90.39 = $4,453.86

Therefore, Jennifer's net monthly income is $4,453.86.

given the input in the table which function rule produces the output?

Answers

Try this option:
4*4+2=18; 5*4+2=22; 7*4+2=30; 8*4+2=34
Answer: y=4x+2

Answer: b) [tex]f(x)=4x+2[/tex]

Step-by-step explanation:

The given table :-

Input           4               5                7                8

Output        18              22              30              34

Let's check all the options

a) [tex]f(x)=5x-2[/tex]

At x= 4, [tex]f(4)=5(4)-2=18[/tex]

At x= 5 , [tex]f(5)=5(5)-2=25-2=23\neq22[/tex]  , thus it not the correct function.

b) [tex]f(x)=4x+2[/tex]

At x= 4 ,  [tex]f(4)=4(4)+2=18[/tex]

At x= 5 ,  [tex]f(5)=4(5)+2=22[/tex]

At x= 7 ,  [tex]f(7)=4(7)+2=30[/tex]

At x= 8 ,  [tex]f(8)=4(8)+2=34[/tex] , thus it is the function rule that  produces the output.

c) [tex]f(x)=3x+6[/tex]

At x= 4 ,  [tex]f(4)=3(4)+6=18[/tex]

At x= 5 ,  [tex]f(5)=3(5)+6=21\neq22[/tex]  , thus it not the correct function.

d)  [tex]f(x)=2x+10[/tex]

At x= 4 ,  [tex]f(4)=2(4)+10=18[/tex]

At x= 5 ,  [tex]f(5)=2(5)+10=20\neq22[/tex]  , thus it not the correct function.

Hence, the correct function rule that produces the output = b) [tex]f(x)=4x+2[/tex]

A paper cup has the shape of a cone with height 10 cm and radius 3 cm (at the top. if water is poured into the cup at a rate of 2cm3/s, how fast is the water level rising when the water is 5 cm deep?

Answers

Let 
 h: height of the water
 r: radius of the circular top of the water 
 V: the volume of water in the cup.
 We have:
 r/h = 3/10
 So,
 r = (3/10)*h
 the volume of a cone is: 
 V = (1/3)*π*r^2*h
 Rewriting:
 V (t) = (1/3)*π*((3/10)*h(t))^2*h(t)
 V (t) =(3π/100)*h(t)^3
 Using implicit differentiation:
 V'(t) = (9π/100)*h(t)^2*h'(t)
 Clearing h'(t)
 h'(t)=V'(t)/((9π/100)*h(t)^2)
 the rate of change of volume is V'(t) = 2 cm3/s when h(t) = 5 cm.
 substituting:
 h'(t) = 8/(9π) cm/s
 Answer: 
 the water level is rising at a rate of: 
 h'(t) = 8/(9π) cm/s

Final answer:

The water level in a paper cup shaped like a cone with radius 3 cm and height 10 cm, filled at a rate of 2 cm³/s, rises at approximately 0.025 cm per second when the water is 5 cm deep.

Explanation:

This question involves related rates, a concept in Calculus. We know that the volume, V, of a cone with a radius r and height h is given by the formula V = (1/3)πr²h. Given that the shape of the cup is conical, the radius and the height of the water in the cup are proportional, so we can express r as r=3h/10.

Thus, we can rewrite the volume formula in terms of h: V = 1/3 * π * (3h/10)² * h = πh³/100. Differentiating both sides with respect to time t, we get dV/dt = πh² dh/dt. We want to find dh/dt (the rate at which the water level rises) when h=5 cm and given that dV/dt (the rate at which water is poured into the cup) is 2 cm³/s.

Plugging these values into the differentiated formula, we get: 2 = π(5)² * dh/dt. Solving for dh/dt, we find that dh/dt = 2/(25π) or about 0.025 cm/s.  So, the water level is rising at a rate of approximately 0.025 cm per second when the water is 5 cm deep.

Learn more about Related Rates here:

https://brainly.com/question/29898746

#SPJ3

The mean finish time for a yearly amateur auto race was 185.19185.19 minutes with a standard deviation of 0.3410.341 minute. the winning​ car, driven by rogerroger​, finished in 184.14184.14 minutes. the previous​ year's race had a mean finishing time of 110.4110.4 with a standard deviation of 0.1370.137 minute. the winning car that​ year, driven by sallysally​, finished in 110.05110.05 minutes. find their respective​ z-scores. who had the more convincing​ victory? rogerroger had a finish time with a​ z-score of nothing. sallysally had a finish time with a​ z-score of nothing. ​(round to two decimal places as​ needed.)

Answers

Sorry Fam I  Tried Hope You Get The Answr Your Looking For!

Answer:

Let X the random variable that represent the mean finish time for a yearly amateur auto race a population, and for this case we know the distribution for X is given by:

[tex]X \sim N(185.19,0.341)[/tex]  

Where [tex]\mu=185.19[/tex] and [tex]\sigma=0.341[/tex]

The z score is given by this formula:

[tex]z=\frac{x-\mu}{\sigma}[/tex]

And for a time of 184.14 we have the following z score:

[tex] z = \frac{184.14-185.19}{0.341}= -3.08[/tex]

Let Y the random variable that represent the mean finish time for the previous year auto race a population, and for this case we know the distribution for X is given by:

[tex]Y \sim N(110.4,0.137)[/tex]  

Where [tex]\mu=110.4[/tex] and [tex]\sigma=0.137[/tex]

The z score is given by this formula:

[tex]z=\frac{x-\mu}{\sigma}[/tex]

And for a time of 110.05 we have the following z score:

[tex] z = \frac{110.05-110.4}{0.137}=-2.557[/tex]

As we can see we have a higher z score for the case of the previous year so then we have a more convincing victory on this case since represent a higher quantile in the normal standard distribution.

Step-by-step explanation:

Previous concepts

Normal distribution, is a "probability distribution that is symmetric about the mean, showing that data near the mean are more frequent in occurrence than data far from the mean".

The Z-score is "a numerical measurement used in statistics of a value's relationship to the mean (average) of a group of values, measured in terms of standard deviations from the mean".  

Solution to the problem

Let X the random variable that represent the mean finish time for a yearly amateur auto race a population, and for this case we know the distribution for X is given by:

[tex]X \sim N(185.19,0.341)[/tex]  

Where [tex]\mu=185.19[/tex] and [tex]\sigma=0.341[/tex]

The z score is given by this formula:

[tex]z=\frac{x-\mu}{\sigma}[/tex]

And for a time of 184.14 we have the following z score:

[tex] z = \frac{184.14-185.19}{0.341}= -3.08[/tex]

Let Y the random variable that represent the mean finish time for the previous year auto race a population, and for this case we know the distribution for X is given by:

[tex]Y \sim N(110.4,0.137)[/tex]  

Where [tex]\mu=110.4[/tex] and [tex]\sigma=0.137[/tex]

The z score is given by this formula:

[tex]z=\frac{x-\mu}{\sigma}[/tex]

And for a time of 110.05 we have the following z score:

[tex] z = \frac{110.05-110.4}{0.137}=-2.557[/tex]

As we can see we have a higher z score for the case of the previous year so then we have a more convincing victory on this case since represent a higher quantile in the normal standard distribution.

Ted take home pay is 1900 a month. He spend 17%of his take home pay on groceries. How much do groceries cost tedeach month

Answers

We need to find 17% of $1900.

17% of $1900 =

= 17% * $1900

= 0.17 * $1900

= $323

Answer: They cost $323.
take the amount and multiply by the percentage

1900 * 0.17 = 323

The graph of y = x^2 has been translated 7 units to the left. The equation of the resulting parabola is _____.

Answers

y = (x +7)^2. The parabola is going into the negative region. The x value must be positive.

Answer:

The equation of the resulting parabola is:

y=(x+7)^2

Step-by-step explanation:

We, know that the transformation of the type:

f(x+a) is a translation of the parent function f(x) to the left or right depending on the sign of the constant 'a'.

if:

a<0 then the translation is to the right.

and if a>0 then the translation is to the left.

It is given that the graph of the function,

let f(x)=y=x^2 is translated 7 units to the left.

This means that the equation of the resulting function will be:

y=(x+7)^2

Use the Distributive Property to find (z−5)(z+3).

Answers

Final answer:

The Distributive Property allows you to multiply the terms within (z−5)(z+3) to obtain z² + 3z - 5z - 15. After combining like terms, the final result is z² - 2z - 15.

Explanation:

To use the Distributive Property to find the product of (z−5)(z+3), you multiply each term in the first parenthesis by each term in the second parenthesis. Here are the steps:

Multiply z by z, which is z².

Multiply z by +3, which gives you +3z.

Multiply -5 by z, which results in -5z.

Finally, multiply -5 by +3, which is -15.

After multiplication, you combine like terms:

z² + 3z - 5z - 15

Combine +3z and -5z to get -2z

So, the final result is z² - 2z - 15.

The price of a shirt was $38. It was reduced by 20% and then again by 10%. What would the price of be if it were reduced by 30% from the original

Answers

11.4 should be the right answer

Original Price of the shirt is $38.

Double discount :

Given that it was reduced by 20%, means

[tex] \\ Cost \; of \; Shirt\; after\; 1^{st}\; discount (20\%)\\ \\= \; (100\; - \; 20) \%\; of \; Original Price=\; 80\%\; of\; \$38\\ \\ = \frac{80}{100} \times 38\; =\; \frac{3040}{100}\; =\; \$30.40\\ \\ Cost \; of \; Shirt \; after\; 2^{nd}\; discount(10\%)\\ \\ (100 - 10)\%\; of\; $30.40=90\%\; of\; \$30.40\\ [/tex]

[tex] =\frac{90}{100} \times 30.40 = \frac{2736}{100}= \$27.36 \\ \\ After \; double \; \; discount,(20\%\; of\; Original\; Price, again\; 10\%\; reduced\; )\\\\ Double \; Discounted \; Price = \$ 27.36\\ \\ But \; After\; single \; discount\; of\; 30\%\; of\; Original \; Price, \; we\; get\\ \\ (100-30)\%\; of \; \$38=70\% \times \$38=\; \frac{70}{100} \times 38 =\frac{2660}{100}=\$26.6 [/tex]

Birthweights at a local hospital have a normal distribution with a mean of 110 oz. and a standard deviation of 15 oz. what z-value corresponds to a birthweight of 138 oz.? (round your answer to the nearest hundredth.)

Answers


Number of dinners = 125
Individual portion = 6 oz.
Size of can = 32 oz.

How to get from 92 to 280 in 4 jumps. This is supposed to be an exponential equation. You have to multiply the same number everytime.

Answers

The exponential function is
f(x)=ab^x, where b is the base, the number to multiply every time x is increased by 1.

If f(x)=92, f(x+4)=280, then
f(x+4)/f(x) = 280/92 = ab^(x+4)/(ab^x) = b^4
to find the base b,
b^4=(280/92)
b=(280/92)^(1/4)    ..... fourth root, or take square-root twice
=3.4035^(1/4)
=1.3208  (accurate to 4 places of decimal).

Edit: 92*1.3208^4 gives 279.9858  (missing little bit because of accuracy).
A slightly better accuracy would be
base = 1.320816698856163
and 92*1.320816698856163^4 would still be 279.9999999999993, but VERY close to 280.  
So it all depends on the accuracy you need.
If you need more accuracy, please tell me how many accurate digits you'd like the results.
Here it is:
base = 1.320816698856163713875997666455513013800337299231824403890097792042432005288739246325005446716740
and if you multiply together
92*base^4, you will get 280 accurate to at least 90 digits after the decimal.  
I think that should be sufficient for what you need.  Recall that these calculations cannot be done or verified on a 10 or 12 digit calculator.

Well, to please you, I have calculated it to 500 digits, don't think that's going to be of much practical use for anybody.  
By the way, that's as far as I will do this evening.  My eyes are almost closing!

base=1.3208166988561637138759976664555130138003372992318244038900977920424320052887392463250054467167408005624428737585147309981331510076693180633495574937759374668399829195521733208637815593771220504215429477168159456265024711237470736388371979840461777898466419772297172931568429339640964205400234392902077320257671263508487367942846685479533507498695981037274512050120058009244868634949261015429944340565311559486391625531554216085859773912355361847787636892603324966350039688974359584811585283183726532

If a ploynominal has four terms 3x^3+5x+6x^2+10 which factoring method can be considered

Answers

P(x)=3x^3+6x^2+5x+10
dividers of 10: {1,2,5,10}
P(-2)=3×(-2)³+6×(-2)²+5×(-2)+10=0
using the ruffini rule:
Q(x)=x+2
R(x)=3x²+5
3x²+5 = 0   impossible equation
P(X)=(x+2)(3x²+5)

Answer:

(c) Factor by Grouping

whats the lcd of 6/7, 3/5 and 1/4

Answers

Whats the lcd of 6/7, 3/5 and 1/4


[tex] \dfrac{6}{7} \qquad \dfrac{3}{5}\qquad \dfrac{1}{4} \\ \\ lcd= 7*5*4\to lcd= 140 \\ \\ \\ \dfrac{6*20}{7*20} \qquad \dfrac{3*28}{5*28}\qquad \dfrac{1*35}{4*35} \\ \\ \\ \dfrac{120}{140} \qquad \dfrac{84}{140}\qquad \dfrac{35}{140} \\ \\[/tex]

The formula V = πd2h 8 is used to find the volume of a parabolic cone. In the formula "d" represents the diameter of the cone and "h" represents the height. What is the volume of the parabolic cone that is 6 cm in diameter and 12 cm in height? A) 36π cm3 B) 48π cm3 C) 54π cm3 D) 60π cm3

Answers

Answer:

V = 54π cm³ ⇒ answer (C)

Step-by-step explanation:

∵ V = (πd²h)/8

∵ d = 6 cm

∵ h = 12 cm

∴ V = (π × 6² × 12) ÷ 8 = 54π cm³

Final answer:

To find the volume of a parabolic cone with a diameter of 6 cm and height of 12 cm using the formula V = πd²h/8, calculate the radius (3 cm), square it, multiply by the height, divide by 8, and then multiply by π, resulting in 54π cm³(Option C).

Explanation:

The student's question pertains to calculating the volume of a parabolic cone using a specific formula, which is V = πd²h/8, where d is the diameter and h is the height of the cone.

Given the cone's diameter (d) of 6 cm and height (h) of 12 cm, we can plug these values into the formula to find the volume:

First, calculate the radius (r) of the cone by dividing the diameter by 2: r = d / 2 = 6 cm / 2 = 3 cm.Next, plug the radius and height into the formula and calculate the volume:
V = π * r² * h / 8
V = π * (3 cm)² * 12 cm / 8
V = π * 9 cm² * 12 cm / 8
V = π * 108 cm³ / 8
V = 13.5π cm³This simplifies to V = 13.5π cm³, which is option C, 54π cm³.

Therefore, the volume of a parabolic cone with a diameter of 6 cm and a height of 12 cm is 54π cm³.

What is the product of 3 and (5/4n+1.8)?

Answers

Use the distributive property.

3(5/4n+1.8)

3(5/4n)+3(1.8)

15/4n+5.4

The answer is 15/4n+5.4

Hope this helps!

If the diameter of a circle changes from 18 cm to 6 cm, how will the circumference change?
A) multiplies by 1/3
B) multiplies by 3
C) increases by 10
D) decreases by 10

Answers

we know that 

the length of a circumference=2*pi*r
for D1=18 cm--------------> r1=9cm
L1=2pi*9-------> 18pi cm

for D2=6 cm-----------> r2=3 cm
L2=2pi*3-------> 6pi cm

L2/L1----------> (6pi)/(18pi)---->1/3

the answer is the option A) multiplies by 1/3

Which of the polygons listed below have at least three angles?

I Triangles
II Quadrilaterals
III Pentagons
IV Hexagons
A. III and IV
B. II, III, and IV
C. I, II, III, and IV
D. IV

Answers

C: All of the above; I, II, III, and IV
it's C they all have at least three angles

How many years does it take for an annuity of $ 1,000 to grow to $ 20,000, assuming k = 7%?
a. 12.94
b. 13.02
c. 14.18
d. 15.67
e. none of the above?

Answers

For an annual deposit of A=$1000 (at the end of the year) at an annual interest rate of i=7% compounded yearly, the future value 
[tex]F=\frac{A((1+i)^n-1)}{i}[/tex]   where n=number of years
=>
[tex]20000=\frac{1000((1+.07)^n-1)}{.07}[/tex]
on simplification
[tex]1.4=(1.07)^n-1[/tex]
[tex](1.07)^n=2.4[/tex]
take logs and solve for n
[tex]n=log(2.4)/log(1.07)[/tex]
[tex]n=12.939[/tex]  years, to the nearest 0.001 year

a cylinder shaped drum is used as a garbage container. The drum has a height of 4 ft and a radius of 1.25 ft how many cubic feet of garbage does the drum hold ? enter your answer as a decimal rounded to the nearest hundreth

Answers

To solve this problem you must apply the formula for calculate the volume of a cylinder, which is shown below:

 V=πr²h

 V is the volume of the cylinder.
 r is the radius of the cylinder (r=1.25 ft).
 h is the height of the cylinder (h=4 ft).

 When you substitute these values into the formula ofr calculate the volume of the cylinder, you obtain:

 V=πr²h
 V=π(1.25 ft)²(4 ft)
 V=19.63 ft³

 Therefore, the answer is: 19.63 ft³

Answer:

19.63

Step-by-step explanation:

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