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galina1969 [7]
4 years ago
5

11.

Mathematics
1 answer:
ra1l [238]4 years ago
5 0

Answer:

$733.33

Step-by-step explanation:

The question is on finding the principal value

Formulae for simple interest

S.I= P×R/100×T where P is the invested amount of money, R is interest rate and T is time in years

Given that;

Simple interest=$77 , R=7% and T=1.5 years then

S.I= P×R/100×T...................substituting the values given

77=P×7/100 × 1.5

77=P×0.105

77/0.105 =P

$733.33=P

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A carpet manufacturer is inspecting for flaws in the finished product. If there are too many blemishes, the carpet will have to
OleMash [197]

Answer:

10 square meters will have a standard deviation of 1.897.

Step-by-step explanation:

Standard deviation for n instances of a variable:

If the standard deviation for one instance of a variable is \sigma, for n instances of the variable, the standard deviation will be of s = \sigma\sqrt{n}

The standard deviation of the number of flaws per square yard is 0.6

This means that \sigma = 0.6

For the 10 square yards will a standard deviation of

n = 10, so:

s = \sigma\sqrt{n} = 0.6\sqrt{10} = 1.897

10 square meters will have a standard deviation of 1.897.

5 0
3 years ago
Can someone help me with and and can you please write how you got it so I can understand
EastWind [94]

Answer:

12x + 4

Step-by-step explanation:

ok so a rectangle has 4 sides, 2 of which are called lengths, and 2 of which are widths.

length = 2x-3

width = 4x+5

the perimenter is the total of the 4 sides.

2(2x-3) = 4x-6 (the total for lengths)

2(4x+5) = 8x+10 (the total for widths)

add the 2 together:

12x+4

8 0
3 years ago
Read 2 more answers
7. Approximately 9 out of 100 people are left handed. Out of a population of 1740 people. How man are likely o be left
True [87]

Answer:

<em>Hello There.The correct answer is 157</em>

Because All you need to do is is Multiply 1740 x 9 then you need to add to 100 to get 15760 And that how you get the answer  1740 x 9 + 100 =15760.

3 0
3 years ago
Find the flux of the following vector fields across the given surface with the specified orientation. You may use either an expl
BlackZzzverrR [31]

The tetrahedron passes through the intercepts (5, 0, 0), (0, 2, 0), and (0, 0, 10). Parameterize the surface (call it \Sigma) by

\vec r(u,v)=(1-v)\langle5,0,0\rangle+v\left((1-u)\langle0,2,0\rangle+u\langle0,0,10\rangle\right)

\vec r(u,v)=\langle5(1-v),2(1-u)v,10uv\rangle

with 0\le u\le1 and 0\le v\le1. Take the normal vector to \Sigma to be

\vec r_v\times\vec r_u=\langle20v,50v,10v\rangle

Then the flux of \vec F(x,y,z)=\langle x,y,z\rangle across \Sigma is

\displaystyle\iint_\Sigma\vec F\cdot\mathrm d\vec S=\int_0^1\int_0^1\langle5(1-v),2(1-u)v,10uv\rangle\cdot\langle20v,50v,10v\rangle\,\mathrm du\,\mathrm dv

=\displaystyle\int_0^1\int_0^1100v\,\mathrm du\,\mathrm dv=\boxed{50}

6 0
4 years ago
A local gym sells monthly memberships. The function f(x) = −x2 + 18x − 72 models the daily profit in dollars, where x is the num
RUDIKE [14]

Answer:

D

Step-by-step explanation:

x = 6, x = 12; The zeros represent the number of monthly memberships where no profit is made

3 0
3 years ago
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