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likoan [24]
4 years ago
10

Plsss help me !!! 10 points giving for answer

Mathematics
2 answers:
horsena [70]4 years ago
6 0

Answer:

D

Step-by-step explanation:

each one can be multiplied by 4 to get the cost

Alja [10]4 years ago
6 0
The answer is the letter D (and I only got 5 points)
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I want to know how to round the number 445,778 nearest 10,000
netineya [11]
450,000 is your answer:) hope I helped
6 0
4 years ago
A new car is purchased for 20300 dollars. The value of the car depreciates at 9.5% per year. What will the value of the car be,
Iteru [2.4K]
The starting value is 20,300, and the value is decreasing by 9.5% each year.

Because it decreases by 9.5% each year based on the previous amount, we use an exponential decay model.

A decrease by 9.5% corresponds to multiplying by 91.5% each year.

We write . We plug in 11 years for t.

A(t)=23000(0.915)^{t}\\\\A(11)=23000(0.915)^{11}\\\\A(11)=7671.18

$7,671.18
6 0
4 years ago
52:PLEASE HELP Find the slope of the line that passes through the points (8,2) and (9,7)
Katena32 [7]

Answer:

5/1

Step-by-step explanation:it goes up 5 and over 1

5 0
3 years ago
Read 2 more answers
The height h, in feet, of a projectile t seconds after launch is modeled by the equation h = 32t – 16t2. How long after launch d
Anna35 [415]

Answer:

2

Step-by-step explanation:

when it returns to the ground , h = 0

32t -16t2 = 0 and solve for t

t = 0, 2   ....0 is the start, 2 is when it returns

3 0
3 years ago
Read 2 more answers
A rectangle has a height of a² + 3 and a width of a² + 2a + 5.
valentina_108 [34]

Answer:

Area =  a^4+2a^3+8a^2+6a+15

Step-by-step explanation:

The area of a rectangle is given by:

Area = Height * Width

The expressions for height and width are given. We just need to multiply and add like terms (if applicable) to find the expression for the area of the rectangle.

Remember to use distributive property:

(a+b)(x+y) = ax + ay + bx + by

Thus, we have:

(a^2+3)(a^2+2a+5)\\=(a^2)(a^2)+(a^2)(2a)+(a^2)(5)+3a^2+6a+15\\=a^4+2a^3+5a^2+3a^2+6a+15\\=a^4+2a^3+8a^2+6a+15

THis is the expression for area.

5 0
3 years ago
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