If a car cost 35,000 and it depreciates 10% a year. what would the exponential decay equation be?

Answers

Answer 1

Answer: .10*35000* # of years

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Solve for x. -3x + 4 = -8
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00:00Lara and her brothers are painting a wall. Lara paints 2/8 of the wall.
Chuck and Max each 3/8 paint of the wall. How much of the wall do they paint all together?
Enter your answer in the box.

of the wall

Answers

Answer:

2/8 + 3/8 +3/8 = 8/8

They finished the wall

A group of scientist study the effect of chemical on Various strains of bacteria. Strain A started with 6000 cells and decreases at a constant rate of 2000 cells per hour after the chemical was applied. strain B started with 2000 cells and decreased at a constant rate of 1000 cells per hour after the chemical was applied. when will just strains have the same number of cells? explain

Answers

so
number in a=6000-2000x where x=number of hours

number in b=2000-1000x

when will a=b
so set them equal to each other and solve
6000-2000x=2000-1000x
subtract 6000 from both sdies
-2000x=-4000-1000x
add 1000x to both sdies
-1000x=-4000
multiply -1
1000x=4000
divide by 1000
x=4

in 4 hours, they will be the same, but, their numbers will be negative, so there is actually no real life time when they will be the same observe
1 hour: a=4000, b=1000
2 hour a=2000 b=0
3 hour a=0 b=-1000
4 hour a=-2000 b-=-2000
but you can't have -2000 cells, you can only have 0 or more than 0

Final answer:

Strain A and Strain B will have the same number of cells after 2 hours.

Explanation:

To find out when the two strains of bacteria will have the same number of cells, we need to calculate the time it takes for each strain to reach the same cell count. Let's start with Strain A, which decreases at a rate of 2000 cells per hour. We can set up an equation:

6000 - 2000t = 2000

Solving for t, we find that it will take 2 hours for Strain A to reach the same cell count as Strain B. Therefore, the two strains will have the same number of cells after 2 hours.

Learn more about Bacteria growth here:

brainly.com/question/6506516

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Which statement justifies that x2 + 3x − 1 multiplied by 2x2 − 2x + 1 obeys the closure property of multiplication?(A)The result 2x4 − 6x2 − 1 has a degree of 4.
(B)The result 2x4 − 6x2 − 1 is a trinomial.
(C) The result 2x4 + 4x3 − 7x2 + 5x − 1 has a degree of 4.
(D)The result 2x4 + 4x3 − 7x2 + 5x − 1 is a polynomial.

Answers

(x² + 3x - 1)(2x² - 2x + 1)

x²(2x² - 2x + 1) + 3x(2x² -2x + 1) -1(2x² - 2x + 1)
2x^4 - 2x³ + x² + 6x³ - 6x² + 3x - 2x² + 2x - 1
2x^4 - 2x³ + 6x³ + x² - 6x² - 2x² + 3x + 2x - 1
2x^4 + 4x³ - 7x² + 5x - 1

(D)The result 2x4 + 4x3 − 7x2 + 5x − 1 is a polynomial.

The statement that justify the product obeys the closure rule is the result 2x⁴ + 4x³ − 7x² + 5x − 1 is a polynomial

What is a polynomial?

A polynomial can have constants, variables and exponents, but never division by a variable.

Therefore, the statement that justify the product obeys the closure rule is as follows

(x² + 3x − 1)(2x² − 2x + 1 )

Hence,

(x² + 3x − 1)(2x² − 2x + 1 ) = 2x⁴ - 2x³ + x² + 6x³ - 6x² + 3x - 2x² + 2x + 1

2x⁴ - 2x³ + x² + 6x³ - 6x² + 3x - 2x² + 2x + 1 = 2x⁴ + 4x³ - 7x² + 5x - 1

Therefore, 2x⁴ + 4x³ - 7x² + 5x - 1 is a polynomial.

learn more on polynomials here: brainly.com/question/9855392

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If 4/5 x blank = 2/5 what is blank

Answers

$(4)/(5) \cdot x = (2 )/(5) \ \ /\cdot 5\n \n \not5^(1)\cdot (4)/(\not5^(1)) \cdot x =\not5^(1 ) \cdot (2 )/(\not5^(1))\n \n4x=2 \ \ /:4 \n \nx=(2)/(4)\n \nx=(1)/(2)$

$(4)/(5)\cdot\fbox{\ }=(2)/(5)\ \ \ \ /\cdot(5)/(4)\n\n(\not5^1)/(\not4_1)\cdot(\not4^1)/(\not5_1)\cdot\fbox{\ }=(\not5^1)/(\not4_2)\cdot(\not2^1)/(\not5_1)\n\n\fbox{\ }=(1)/(2)$

Todd's cube has an edge that measures5 inches. Kara's cube has an edge of3 inches. If Kara's cube was stackedon top of Todd's cube, what wouldbe the total volume of the combinedsolid? ?

Answers

Answer:

152 in³

Step-by-step explanation:

Each cube's volume is the cube of its edge length, so the total volume is ...

(5 in)³ + (3 in)³ = 125 in³ +27 in³ = 152 in³

Solve for x:
3x^2-5x=2

Answers

$3{ x }^( 2 )-5x=2\n \n 3{ x }^( 2 )-5x-2=0\n \n \left( 3x+1 \right) \left( x-2 \right) =0\n \n \therefore \quad x=2\n \n \therefore \quad x=-\frac { 1 }{ 3 }$

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