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boyakko [2]
3 years ago
5

A polynomial function with a leading coefficient

Mathematics
1 answer:
kompoz [17]3 years ago
6 0

Answer:

4

Step-by-step explanation:

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A retired woman has $40,000 to invest. She has chosen one relatively safe investment fund that has an annual yield of 9% and ano
nalin [4]

She should invest $30000 in the 9% fund and $10000 in the 13% fund.

<u><em>Explanation</em></u>

Suppose, the amount of investment at 9% rate is  x dollar.

As the total amount of investment is $40000 , so the investment at 13% rate will be: (40000-x) dollar

So, the amount of earnings per year from 9% fund = 0.09x dollar

and the amount of earnings per year from 13% fund = 0.13(40000-x) dollar.

Given that, the <u>total earnings per year is $4000</u>. So the equation will be......

0.09x+0.13(40000-x)=4000\\ \\ 0.09x+5200-0.13x=4000\\ \\ -0.04x=4000-5200\\ \\ -0.04x= -1200\\ \\ x= \frac{-1200}{-0.04}=30000

So, the amount of investment at 9% fund is $30000 and the amount of investment at 13% fund = ($40000- $30000)= $10000

4 0
3 years ago
What is true about the dilation? A large parallelogram is the pre-image and a smaller parallelogram is the image. It has a scale
kotegsom [21]

Answer:

- It is a reduction with a scale factor between 0 and 1.

- It is an enlargement with a scale factor greater than 1.

Step-by-step explanation:

1. Dilation is defined as a transformation of an image in which the size on this image changes but its shape does not change.

2. In dilation, to obtain the new dimensions of the image you must multiply the dimensions of the original image by a number called "Scale factor".

3. When the scale factor is greater than 1 it is an enlargement and when this is between 0 and 1, it is a reduction.

8 0
2 years ago
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Probability and Statistics
Rainbow [258]

Answer:

Step-by-step explanation: if you want to obtain the probability that x<em> </em>\leq-3 , then you need to add the probability for the cases x=-3 and x=-5.

p=0.13+0.17= 0.3

answer=0.3

6 0
3 years ago
Ignore the bottom part and the top just show the steps and solve where it says solveplz
notka56 [123]
1/4 # hamburger = 16 oz to a pound so 1/4 is 4 oz.

1 doz baseballs (12), 5 oz each

Box = 9 oz.

Total weight = 12x5 = 60 oz. + 9 oz. = 69 oz.

69/16 = 4 lb. 5 oz.
5 0
3 years ago
PLEASE PLEASE TRANSLATING A SENTENCE INTO AN EQUATION
wariber [46]

Answer:

j - 21 = 58

Step-by-step explanation:

happy to help if you have any others i can help you

8 0
2 years ago
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