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ArbitrLikvidat [17]
3 years ago
7

A sand dune stands 5 feet above sea level. The hill is eroding at a rate of 1 foot per 20 years. Let y represent the height of t

he sand dune after x years. Which equation represents the situation?

Mathematics
2 answers:
In-s [12.5K]3 years ago
8 0

Answer:

y=-1/20x+5

Step-by-step explanation:

Andrews [41]3 years ago
3 0
The situation will be represented by linear equation, this is given by:
y=ax+b
where:
a=slope=rate
b=y-intercept
from our situation:

a=-1/20
b=5 ft
thus the equation modeling the situation will be:
y=-1/20x+5

Answer: y=-1/20x+5
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Sam Kramer earns an annual salary of $38,900. He is paid semimonthly. His personal exemptions total $4826. The state income tax
Alisiya [41]

Step-by-step explanation:

we pay taxes of the income without the exemptions.

so, the tax-interresting amount is

38,900 - 4826 = $34,074

2% of the first $1000 = $20

$34,074 - 1000 = $33,074

3% of the next $3000 = $90

$33,074 - 3000 = $30,074

3.5% of the next $3000 = $105

$30,074 - 3000 = $27,074

4% of $27,074 = $1,082.96

so, in total he pays state taxes over a year

20+90+105+1082.96 = $1,297.96

now, he gets paid semimonthly, that means twice a month.

his salary but also his deductions (incl. tax deductions) are all split across these 24 paychecks per year.

so, each state income tax deduction is then

$1,297.96 / 24 = $54.08 on every paycheck.

8 0
2 years ago
(b) ​E: A randomly selected person finding cheese revolting. ​F: A different randomly selected person finding cheese delicious.
Svet_ta [14]

Answer:

C

Step-by-step explanation:

b) option C

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because randomly selected events are mutually exclusive events.

4 0
2 years ago
Please help, i need someone to answer fast please
RSB [31]

Answer: A and C And B

Step-by-step explanation: (I AM NOT 100% SURE WAIT FOR SOME ELSE JUST IN CASE if you dont uh hope its right)

3 0
3 years ago
40 POINTS!!!
maria [59]

Answer:

470 cm³

Step-by-step explanation:

Volume of rectangular prism = width × length × height

⇒ Volume of whole rectangular prism = 9 cm × 10 cm × 8 cm

                                                                = 720 cm³

Side lengths of the missing piece:

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  • length = 10 cm
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⇒ Volume of the missing piece = 5 cm × 10 cm × 5 cm

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⇒ Volume of irregular figure = 720 cm³ - 250 cm³

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4 0
2 years ago
0.003 divided by 8.1
dusya [7]

2700  is your answer

Step-by-step explanation:

7 0
3 years ago
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