2 years ago

Can someone help me with question 3

Mathematics

1 answer:

AveGali [126]2 years ago

7 0

Answer:

A formula can be either recursive or explicit. The main difference between Recursive and Explicit is that Recursive formula gives the value of a specific term based on the previous term while Explicit formula gives the value of a specific term.

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There are 90 total days in winter. If it snowed on 30% of the days, on how many days of winter did it snow?

Artemon [7]

Answer:

Step-by-step explanation:

30%=0.3 in decimal form

90×0.3=27

4 0

3 years ago

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Alex is 4 years younger than 2 times his sister's age. Write a rule that represents Alex's age x as a function of his sister's a

Vesna [10]

Answer:

y = 2x - 4; Alex is 18.

Step-by-step explanation:

Since Alex is 4 years younger than 2 times his sister's age, and his sister is y and Alex is x, the function of y to x must be y = 2x - 4.

According to the rule, if Alex's sister is 11, Alex is 2 times that minus four. If you calculate that, you get

11 * 2 = 22

22 - 4 = 18

So Alex is 18 if his sister is 11.

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3 years ago

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Digiron [165]

It’s a scalene obtuse

7 0

3 years ago

Jasmine purchased a laptop worth $1,500 in 2007. It loses its value by %32 each year. What is the value of the laptop in 2010? R

Lunna [17]

Answer:

$471.65

Step-by-step explanation:

-The value of the laptop after each year is calculated by the formula:

$P_t=P_o(1-d)^t$

where:

$P_t$ is the value at time t

$P_o$ is the initial value

$d$ is the rate of depreciation

$t$ is the time

#We substitute the values to solve for the value after 3 years(2010-2007=3):

$P_t=P_o(1-d)^t\\\\=1500(1-0.32)^3\\\\=\$471.65$

Hence, the value of the laptop in 2010 is $471.65

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3 years ago

5) What expression represents the square of the binomial (-9 + 2i) in<br> simplest form?

Lerok [7]

Answer:

Step-by-step explanation:

that is the simplest form.

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3 years ago