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scZoUnD [109]
4 years ago
7

A man is walking down a very long flight of

Mathematics
1 answer:
Alex4 years ago
5 0

Answer:

33.6 seconds

Step-by-step explanation:

if he begins at 136 feet and wants to go to 42 feet, the distance is 94 feet

d = 94

r = 2.8

d = rt; solving this formula for 't':

t = d/r

t = 94/2.8

t = 33.6 seconds

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Harlamova29_29 [7]

Answer:

x=60°,120°

Step-by-step explanation:

4sinx=3cosecx

4sinx-3cosecx=0

4sinx-3/sinx=0

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sin²x=3/4

sinx=√(3/4)

sinx=√3/2=sin60°,sin(180-60)

4 0
3 years ago
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An antique car costs $32,000 It gains 8% in value every year. How much will it be worth in 6 years?
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Each year, it's value is 1.08 of the previous price, so the equation is

x=32000*(1.08^6)

Using a calculator, you get that the answer is 50779.978. You must also round to the nearest hundredth because in our currency, cents are the smallest unit.

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4 years ago
Which statements are correct interpretations of this graph?
Usimov [2.4K]
The answer is D Hope this Helps

4 0
3 years ago
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What is the simplified version of (-3x^3y^2) (5xy^-1)?
GuDViN [60]

Answer:

-15x^4y

Step-by-step explanation:

(-3x^3y^2)(5xy^-1)

-15x^4y^2/y

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4 years ago
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Help please :)<br> You can have 15 points if you answer it correctly (if I'm not mistaken)
dusya [7]

Answer:

$466

Step-by-step explanation:

Represent her salary by s.  Then the amount spent on rent is s/2.

After spending 168 on her electric and water bills, she had s/2 - 168 dollars left.  She spent half of this on her phone bill, leaving her with

s/2 - 168

-------------- dollars.  

       2

After buying $57 worth of gas, she had

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First, multiply all three terms by 2.  We get

s/2 - 168 - 2(57) = 2(92), or

s/2 - 168 - 114 = 184

Simplifying this, we get s/2 = 168 + 114 + 184, or s/2 = 466.

She spent half her salary (that is, half of s) on rent.  As seen above, this is $466.

7 0
3 years ago
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