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Alex17521 [72]
2 years ago
13

Ed Sloan invests $1,600 at the beginning of each year for eight years into an account that pays 10% compounded semiannually. The

value of the annuity due is (use the tables in the handbook):
Mathematics
2 answers:
allochka39001 [22]2 years ago
7 0
FV=PV(r+1)ⁿ
FV=Future value, or your amount of money you're going to have after 8 years.
PV=Present value, or the amount of money you have just invested.
APR=10
FV=1,600(10+1)¹⁶
FV=1,600(11)¹⁶
FV=1,600(176)
FV=$281,600
Zina [86]2 years ago
4 0

Answer:

The answer is: $39,748.80

Step-by-step explanation:

The principle amount is p = $1600  

rate is 10% or 0.10 but as its compounded semiannually it becomes,

\frac{0.10}{2} = 0.05  

n = 8\times 2 =16

Formula is :

p\frac{(1+r)^{n}-1 (1+r)}{r}

Putting values in formula we get

\frac{1600(1+0.05)^{16}-1(1+0.05) }{0.05}

\frac{1600(1.05)^{16}-1(1.05) }{0.05}

\frac{1600*(2.183-1)(1.05)}{0.05} = 39748.80

The value of the annuity due is $39,748.80

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Given: l || m; ∠1 ∠3 Prove: p || q Complete the missing parts of the paragraph proof. We know that angle 1 is congruent to angle
Oxana [17]

Answer:

p║q hence proved.

Step-by-step explanation:

In the question given parameters are line l║m and ∠1 = ∠3

and we have to prove p║q.

Since ∠1 = ∠3 (given)

Opposite angle of ∠1 = ∠2 (Alternate interior angles)

Therefore ∠2 = ∠3 (Transitive property)

∠2 = ∠3 are congruent when lines p and q are parallel and lines l and m are transverse.

Therefore p║q.

Hence proved.

3 0
2 years ago
Read 2 more answers
The graph of f(x) = StartRoot x EndRoot is reflected over the y-axis. Use the graphing calculator to graph this reflection. Whic
labwork [276]

Answer:

<em>(–81, 9), (–36, 6), (–1, 1) </em> are the correct three points.

Step-by-step explanation:

Given the function:

f(x) =\sqrt x

Please refer to the attached image.

The green line shows the graph of actual function.

It is reflected over y axis.

The reflected graph is shown in black color in attached image.

When reflected over y axis, the sign of variable x changes from Positive to Negative.

So, the resultant function becomes:

f(x)=\sqrt{-x}

i.e. we will have to give the values of x as negative now.

so, the options in which value of x is negative are the possible answers only.

The possible answers are:

(–81, 9), (–36, 6), (–1, 1) and

(–49, 7), (–18, 9), (–1, 1)

Now, we will check the square root function condition.

In the 2nd option, (–18, 9) does not satisfy the condition.

So, the correct answer is:

<em>(–81, 9), (–36, 6), (–1, 1)</em>

7 0
2 years ago
1. In a batch of 10 items, we wish to extract a sample of 3 without replacement. How many
svetlana [45]

Answer:

1) 120

2) E (Z) = 12 and Variance of Z = 90

a) 5 liters

Step-by-step explanation:

1. We can find this by suing combinations.

Here n= 10 and r= 3 so n C r

= 10 C 3= 120

2. E(X) = 8 and E(Y) = 3

Z = 2X - 3Y +5

E(Z ) = 2 E (X) - 3(E)(Y) +5   ( applying property for mean)

       = 2(8) - 3(3)+ 5 = 16+5-9= 21-9= 12

V(X) = 9 and V(Y) = 6.

V(Z) = E(Z )²-  V(X) *V(Y)   (applying property for Variance for two variables )

        = 144- 54= 90

3. 55 liters contain adulterated milk in 7: 4.

So it contains 4/ 11*55= 20 liters of water

But we want to make it a ratio of 7:6

the water will be 6/13 *55= 25.38 when rounded gives 25 liters of water

So 25- 20 = 5 liters must be added to make it a ratio of 7:6

6 0
2 years ago
In 2005, there were 74,250 car accidents. In 20,187 of them, the driver was a
zhuklara [117]

Answer:

27.19% probability that a female driver was involved in an accident

Step-by-step explanation:

A probability is the number of desired outcomes divided by the number of total outcomes.

In this question:

74,250 car accidents. Of those, in 20,187, the driver was a female.

Based on this, what is the probability that a female driver was involved in an accident?

p = 20187/74250 = 0.2719

27.19% probability that a female driver was involved in an accident

6 0
2 years ago
A builder was building a fence. In the morning, he worked for 2/5 of an hour. In the afternoon, he worked for 9/10 of an hour. H
Bas_tet [7]

Hey there! I'm happy to help!

We want to see how many times bigger 2/5 is than 9/10. Let's call how much bigger 2/5 is b and solve below.

9/10b=2/5   (2/5 is b times larger than 9/10)

We divide both sides by 9/10, so your division would be 2/5÷9/10.

b=4/9

Therefore, the builder worked 4/9 times as long in the morning as he did in the afternoon.

Have a wonderful day! :D

4 0
2 years ago
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