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Rashid [163]
2 years ago
9

A new dirt bike valued at $9000 loses 18 percent of its value each year write an exponential function that models the value of t

he bike. And how much does the bike cost after 4 yrs
Mathematics
1 answer:
STatiana [176]2 years ago
5 0

Answer:

717

Step-by-step explanation:

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Solve the problem.
Lorico [155]

Answer:

<h2>560</h2>

Step-by-step explanation:

You must use a combination:

_nC_k=\dfrac{n!}{k!(n-k)!}

We have <em>n = 16</em>, <em>k = 3</em>.

Substitute:

_{16}C_3=\dfrac{16!}{3!(16-3)!}=\dfrac{13!\cdot14\cdot15\cdot16}{2\cdot3\cdot13!}\qquad\text{cancel}\ 13!\\\\=\dfrac{14\cdot15\cdot16}{2\cdot3}=\dfrac{7\cdot5\cdot16}{1}=560

5 0
3 years ago
Noah's giant water bottle contains 60 fluid ounces. Noah drank 24 fluid ounces of the water. What percent of the water did Noah
saul85 [17]

Answer: 40

Step-by-step explanation:

40 percent of 60 is 24

6 0
3 years ago
Read 2 more answers
5+2x=2x+6<br> What's the answer?
Marina86 [1]

<u>Answer:</u>

Below!

<u>Step-by-step explanation:</u>

<u>We can solve this with the help of equations.</u>

  • 5 + 2x = 2x + 6
  • => -2x + 2x = -5 + 6
  • => 0 ≠ 1

<u>Since we are getting 0 ≠ 1 as our result, the problem has </u><u>no solution.</u>

Hoped this helped.

BrainiacUser1357

3 0
2 years ago
Complete the equation for the horizontal line that passes through (5.-7).
vodka [1.7K]

Answer:

it would be y= -7

Step-by-step explanation:

6 0
2 years ago
BRAINLIST AND 30 POINTS!
marta [7]

1.b)

Fred has F cards. Bill has B cards. Tim has T cards.

B + F + T = 167

B = 5F

T = 4F - 3

5F + F + 4F - 3 = 167

10F - 3 = 167

10F = 170

F = 17

Fred has 17 cards.

B = 5F = 5(17) = 85

Bill has 85 cards.

T = 4F - 3 = 4(17) - 3 = 65

Tim has 65 cards.

2.a)

length = L

width = W

L = W + 5

perimeter = 2L + 2W = 168

2L + 2W = 168

2(W + 5) + 2W = 168

2W + 10 + 2W = 168

4W = 158

W = 39.5

L = W + 5 = 39.5 + 5 = 44.5

Length = 44.5 inches

Width = 39.5 inches

2.b)

Original rectangle:

width = W

length = 2W

New rectangle:

width = W - 1

length = 2W + 4

perimeter = 198 inches

perimeter = 2L + 2W = 198

2(2W + 4) + 2(W - 1) = 198

4W + 8 + 2W - 2 = 198

6W + 6 = 198

6W = 192

W = 32

L = 2W = 64

width = 32 inches

length = 64 inches

3.a)

Now:

Sam's age = S

John's age = 3S

In 5 years:

John's age = 3S + 5

Sam's age = S + 5

3S + 5 = 2(S + 5)

3S + 5 = 2S + 10

S = 5

Sam's age is 5.

John's age is 15.

This is all I have time for now. Post the rest of the problems in a different post, and I'll try to help later.

8 0
3 years ago
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