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stellarik [79]
3 years ago
9

If the interest on investment is $44 when the interest rate is 5%. find the interest when the rate is 8.4%.

Mathematics
1 answer:
kolezko [41]3 years ago
6 0
The interest at 8.4% is:
44\times\frac{8.4}{5}=73.92
The answer is $73.92.
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Assume that all​ grade-point averages are to be standardized on a scale between 0 and 6. How many​ grade-point averages must be
yanalaym [24]

Answer:

The sample size 'n' = 72,030

Step-by-step explanation:

<u>Step(i):-</u>

<em>Given that the Estimate Error = 0.013</em>

<em>Given that the standard deviation of the Population = 1.5</em>

<em>The estimated error is determined by </em>

<em />E = \frac{Z_{0.98} S.D }{\sqrt{n} }<em />

<u><em>Step(ii):-</em></u>

<em>Given that the Level of significance = 0.98 or 0.02</em>

<em>Z₀.₀₂ =   2.326</em>

<em>The estimated error is determined by </em>

<em>         </em>E = \frac{Z_{0.98} S.D }{\sqrt{n} }<em />

<em>    </em>0.013 = \frac{2.326 X 1.5 }{\sqrt{n} }<em />

<em>       </em>\sqrt{n} = \frac{3.489}{0.013} = 268.38<em />

<u><em>Squaring on both sides, we get</em></u>

<em>     n =  72,030</em>

<u><em>Final answer:-</em></u>

The sample size 'n' = 72,030

7 0
3 years ago
The equations y+x^2+6x+8 and y =(x+2) (x+4) both define the same quadratic function. Without graphing, identify the x- and y-int
Goryan [66]

Answer:

we get the  

x-intercepts setting y=0 and the in the equation

y-intercept setting x=0 in the equation.

Step-by-step explanation:

x-intercepts( y=0)

0=x^2+6x+8=(x+2)(x+4)

Hence x=-2 and x=-4 ( We got two x-intercepts)

y-intercept( x=0)

y=0^2+6(0)+8=8.

the y intercept is y=8 ( only is possible to find no more thant one).

6 0
3 years ago
Read 2 more answers
Marina's New Year's resolution is to ride her bike 5000 miles.
o-na [289]

Answer:

m5000=d

Step-by-step explanation:

or d5000=m

8 0
3 years ago
The mean age of 11 women in an office is 31 years old.
BlackZzzverrR [31]

Answer: 30.2

Explanation:

The mean is calculated by taking the sum of the values and dividing by the count.

For instance, for the 6 women, with the mean being 31, we can see that the ages summed to 186:

186

6

=

31

And we can do the same for the men:

116

4

=

29

And now we can combine the sum and count of the men and women to find the mean for the office:

186

+

116

10

=

302

10

=

30.2

Step-by-step explanation:

3 0
2 years ago
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How many times does six go into 344
marshall27 [118]
The answer is 57 times
8 0
3 years ago
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