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3 years ago

If $85 is put into an account that gets 8.5% and I add $15.00 per year, how much will I have in 8 years

1 answer:

4 0

Using geometric progression formula
sn=[a(r^n-1)/(r-1)]
s8=[15(1.085^8-1)/(0.085)]
The total amount will be given by:
85(1.085)^8+[15(1.085^8-1)]/0.085
=325.7109
After 8 years we shall have 325.71

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2 years ago

A line of best fit predicts that when x equals 28, y will equal 27.255, but y actually equals 26. What is the residual in this c

zlopas [31]

Answer:

C) -1.255

Step-by-step explanation:

We are tasked to solve for the residual value given that when x equals 29, y will be equals to 27.255. But, when it is tested, y actual value is 26. The formula in solving residual is shown below:

Residual value = Observed value - predicted value

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2 years ago

Solve y = x + 6 for x.

elena-s [515]

Answer:

Step-by-step explanation:

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4 0

2 years ago

Read 2 more answers

Please help me in the question of commission ! Grade - 9 .

AlladinOne [14]

Answer:

Step-by-step explanation:

Commission for amount Rs. 5,00,00 = $\frac{2}{100}*500000$

= 2* 5000

= Rs. 10,000

total commission = Rs. 32,000

Remaining commission = 32500 - 10000

= Rs. 22500

Let remaining amount of the restaurant = Rs. x

Commission on Rs. x = 22500

3% of x = 22500

$\frac{3}{100}*x=22500\\\\x=22500*\frac{100}{3}\\\\x = 7500*100$

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2 years ago

True or false the x and y axes in the xy plane intersect perpendicularly

ohaa [14]

Please find the attachment for a better understanding of the explanation to this question.

As we can see from the diagram attached, the X axis represented by XX' and the Y axis represented by YY' intersect each other at the origin represented by O. Further, we notice that this intersection is at the angle 90 degrees or in other words the intersection is perpendicular. Thus, we have seen that the the x and y axes in the xy plane intersect perpendicularly. And hence, the answer is TRUE.

Please note that this is always the case and this is also known as orthogonality.

3 0

3 years ago