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2 years ago

11

Lily Adams purchased a $1,000 bond at 70. The bond pays 4%. What was the cost of the bond? What was the annual interest? What is

the yield (to the nearest tenth of a percent)?

2 answers:

Molodets [167]2 years ago

8 0

1) $700
2) $40
3) 5.7%

pickupchik [31]2 years ago

6 0

1,000×0.70=700
0.04*1000=40
40÷700=0.0571*100==5.71%

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Jinni opened a bank account. She deposited $87.60 into her account every month for 10 months. She used $25.60 every month to pay

Pavel [41]

Ok to find the answer all you have to do is multiply 87.60*10=876
then do the same for 26.60*10=256 then you subtract 856-256
=620

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2 years ago

In a box containing 25 cherries, 2 of them are rotten. Susan randomly picks cherries in the box. How many cherries should be pic

bezimeni [28]

Answer:

Susan should pick 6 cherries from box, so the probability of picking the 2 rotten cherries is 1/20

Step-by-step explanation:

assuming that each cherry is equally probable to be chosen , since each cherry is independent from the others and sampling is done without replacement , the random variable X= number of cherries that are rotten from the picked ones follows a hyper geometrical distribution , where

P(X=k)= C(M,k) * C(N-M, n-k) / C(N,n)

where

N= population size = 25

n= number of picks

M = total number of rotten cherries =2

k = number of rotten cherries picked =2

C( ) = combination

then

1/20=C(2,2)*C(25-2,n-2)/C(25,n) = 1 * (23!/(n-2)!*(25-n)! / (25!/(n!*(25-n)!

1/20 = n!/(n-2)! * 1/(24*25)

24*25/20 = n*(n-1)

n²-n-30 =0

n= (1 +√(1+4*1*30))/2 = 12/2= 6

n=6

then Susan should pick 6 cherries from box, so the probability of picking the 2 rotten cherries is 1/20

7 0

2 years ago

The longest side of an acute triangle measures 30 inches. The two remaining sides are congruent, but their length is unknown. Wh

Butoxors [25]

If the triangle were right-angled then the other 2 sides would be of length 30 / sqrt2 = 21.213 inches.

But it is acute angled so they will be a bit longer than this
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6 0

2 years ago

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Pam's eye–level height is 256 feet above sea level and Adam's eye–level height is 400 feet above sea level. What expression show

castortr0y [4]

Answer:

B

Step-by-step explanation:

then

a=2 and b=6

ur welcome ;)

4 0

2 years ago

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Howard has a scale model of the Statue of Liberty. The model is 15 inches tall. The scale of the model to the actual statue is 1

sergiy2304 [10]

Answer:

Required equation $\frac{1}{6.2}=\frac{15}{x}$

The height of statue of liberty is 93 meters.

Step-by-step explanation:

Given : Howard has a scale model of the Statue of Liberty. The model is 15 inches tall. The scale of the model to the actual statue is 1 inch : 6.2 meters.

To find : Which equation can Howard use to determine x, the height in meters, of the Statue of Liberty?

Solution :

The model is 15 inches tall.

The scale of the model to the actual statue is 1 inch : 6.2 meters.

Let x be the height in meters of the Statue of Liberty.

According to question, required equation is

$\frac{1}{6.2}=\frac{15}{x}$

Cross multiply,

$x=15\times 6.2$

$x=93$

Therefore, the height of statue of liberty is 93 meters.

4 0

2 years ago