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givi [52]
2 years ago
11

Find the balance in the account. $800 principal earning 7%, compounded annually, after 4 years

Mathematics
2 answers:
Alinara [238K]2 years ago
8 0
Use the compound amount formula:  A = P (1+r)^t

Here,

A = $800 (1+0.07)^4  = $800 ( 1.31) = $1048.64 (rounded off to the nearest cent)
scoray [572]2 years ago
6 0
800×(1.07)^(4) =1,048.63
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Which regression equation best fits these data?
julsineya [31]

Answer:

the answer is b

Step-by-step explanation:

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3 0
1 year ago
Use the method of cylindrical shells to find the volume V generated by rotating the region bounded by the given curves about the
xenn [34]

Answer:

As per the given statement:

The region bounded by the given curves about the y-axis, y = 13e^{-x^2}, y=0, x = 0 and x = 1

Using cylindrical shell method:

The volume of solid(V) is obtained by rotating about y-axis and the region under the curve y = f(x) from a to b is;

V = \int_{a}^{b} 2\pi x f(x) dx   where 0\leq a

where x is the radius of the cylinder

f(x) is the height of the cylinder.

From the given figure:

radius = x

height(h) =f(x) =y=13e^{-x^2}

a = 0 and b = 1

So, the volume V generated by rotating the given region:

V =2 \pi \int_{0}^{1} x ( 13e^{-x^2}) dx\\\\V=2\pi\left [ -\frac{13}{2}e^{-x^2} \right ]_{0}^{1}\\\\V=2\pi\left (-\frac{13}{2e}-\left(-\frac{13}{2}\right) \right )\\\\V=-\frac{13\pi }{e}+13\pi

therefore, the volume of V generated by rotating the given region is V=-\frac{13\pi }{e}+13\pi










5 0
2 years ago
How many unit angles does the smaller angle of a tan pattern block turn through
tresset_1 [31]
Is there an attachment to this? It cant be answered without a picture or a description.
3 0
1 year ago
It is 1 1/4 miles from Ahmed’s house to school. How far does Ahmed’s travel in 5 days walking to school and back
Sauron [17]

Ahmed travel 12\frac{1}{2} miles in 5 days walking to school and back.

Step-by-step explanation:

Distance from house to school = 1\frac{1}{4} miles

Distance from school to house = 1\frac{1}{4} miles

Total distance in 1 day = 1\frac{1}{4}+1\frac{1}{4}=\frac{5}{4}+\frac{5}{4}

Total distance in 1 day = \frac{5+5}{4}=\frac{10}{4}

Distance traveled in 5 days = 5*\frac{10}{4}=\frac{50}{4}

Distance traveled in 5 days = \frac{25}{2}=12\frac{1}{2}

Ahmed travel 12\frac{1}{2} miles in 5 days walking to school and back.

Keywords: fraction, addition

Learn more about fractions at:

  • brainly.com/question/10435816
  • brainly.com/question/10435836

#LearnwithBrainly

5 0
2 years ago
If each coded item in a catalog begins with 3 distinct letters followed by 4 distinct nonzero digits, find the probability of ran
laila [671]

Answer: 10/117

Step-by-step explanation:

3 distinct letters and 4 distinct nonzero digits

For letters: A → Z = 26 options

For numbers: 1 → 9 = 9 options

As we have 26 options for letters and 9 for numbers and they have to be distinct, for the total of codes we have

Total of codes: 26.25.24.9.8.7.6

For the particular code asked, we have 5 options of vowels and 4 options of even numbers, so

5.25.24.8.7.6.4

probability: <u>5.25.24.8.7.6.4</u> =    <u>10</u>

                   26.25.24.9.8.7.6     117

3 0
2 years ago
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