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Lina20 [59]
3 years ago
6

HELPPPPPPP me with #7

Mathematics
2 answers:
Anna007 [38]3 years ago
5 0
(10x+y)(100x^2-10xy+y^2)

Nina [5.8K]3 years ago
5 0
(10x+y)(100x^2-10xy+y^2)
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The value of a house decreases at a steady rate of 20% each year. What is the total percentage loss (to the nearest integer) in
Westkost [7]

Answer: The total percentage loss would be 67%.

Step-by-step explanation:

Since we have given that

Rate of decline each year = 20%

Number of years = 5

We need to find the total percentage loss in value of the house at the end of 5 years.

So, Total percentage loss would be

1-(1-\dfrac{r}{100})^5\\\\=1-(1-\dfrac{20}{100})^5\\\\=1-(\dfrac{4}{5})^5\\\\=1-(0.8)^5\\\\=0.67\\\\\approx 67%

Hence, the total percentage loss would be 67%.

8 0
2 years ago
At the start of the year, the balance in a married couple’s account is $ 1 , 750 . They decide to each deposit $ 35 into the acc
Dimas [21]

Answer:

f(n) = 1750 + 70n

Step-by-step explanation:

Since, each of them are depositing 35$ each month, they are adding 35x2 = 70$ each month.

So, in n months, they will be adding 70n $ to their account.

Initially, they had 1,750$ in their account. After n months, they should have 1750+70n $ in their account.

So, the function that represents this is, f(n) = 1750 +70n

7 0
2 years ago
I need some help with this question. It says: expand and simplify 5(x + 7) + 3(x - 2)
Tanya [424]

Answer:

8x+29

Step-by-step explanation:

open the brackets the collect like terms together

5 0
2 years ago
Identify the slope from the equations y = -x -6
umka21 [38]

Answer:

The slope of the line is -1

I've attached a screenshot of a website that can solve function.

May I have brainliest please? :)

3 0
3 years ago
What changes could you make to values assigned to outcomes to make the game fair? Prove that the game would be fair using expect
ozzi
For a definite answer, let us take a look at the given circle graph. You are given that landing on a blue sector will give 3 points, landing on a yellow sector will give 1 point, purple sector will give 0 points and red sector will give -1 point. You are asked to find the probability of landing -1, 0, 1 and 3 points. There are a total of 7 pie graphs in the circle.

For -1 point, you know that only a red sector will give you a negative one point. In the circle graph, there are two red portions. So you will have a probability of 2/7.

For the 0 point, you know that only a purple sector will give you zero point. In the circle graph, there are two purple portions. So you will have a probability of 2/7.

For the 1 point, you know that only a yellow sector will give you one point. In the circle graph, there are two yellow portions. So you will have a probability of 2/7.

For the 3 points, you know that only a blue sector will give you three points. In the circle graph, only one blue portion is shown. So you will have a probability of 1/7.
5 0
3 years ago
Read 2 more answers
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