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Vera_Pavlovna [14]
3 years ago
12

24. SMART PHONE You earn $9.20 per hour at your

Mathematics
1 answer:
faust18 [17]3 years ago
4 0

Answer:

299/9.20 = 32.5

Step-by-step explanation:

Since all the info is given, by dividing the amount of the smart phone price by the money being paid per hour, youll get the answer to how many hours are needed to buy a new smartphone. The answer is 32.5 Hours (33 hours technically since you need to work a full hour to get paid and you cant get half an hour of payment)

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GenaCL600 [577]

Answer:d

its a apartment thats just one big room

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3 years ago
If R is the midpoint of QS, QR= 8x-51 and RS = 3x-6, find QS.
sashaice [31]

QS would be 42. So the way i did it was I:

8x-51=3x-6

x=9

Plugged into both equations of QR and RS to then get the answer of 42

7 0
3 years ago
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The selling price of an item is 720 it is marked down 30% but the sale price is still marked up from the cost of 420 find the ma
aliya0001 [1]

Answer:

$84

Step-by-step explanation:

720x30=21600

21600/100=216

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Now subtract that like this

720-216=504

504= sale price

Then do this

504-420=84

<em><u>Therefore it is $84</u></em>

<em><u /></em>

<em>Hope you understand!</em>

3 0
2 years ago
Calculate two iterations of Newton's Method to approximate a zero of the function using the given initial guess. (Round your ans
VikaD [51]

Answer:

The two iterations of f(x) = 1.5598

Step-by-step explanation:

If we apply  Newton's iterations method, we get a new guess of a zero of a function, f(x), xₙ₊₁, using a previous guess of, xₙ.

xₙ₊₁ = xₙ - f(xₙ) / f'(xₙ)

Given;

f(xₙ) = cos x, then  f'(xₙ) = - sin x

cos x / - sin x = -cot x

substitute in "-cot x" into the equation

xₙ₊₁ = xₙ - (- cot x)

xₙ₊₁ = xₙ + cot x

x₁ = 0.7

first iteration

x₂ = 0.7 + cot (0.7)

x₂ =  0.7 + 1.18724

x₂ = 1.88724

 

second iteration

x₃ = 1.88724 + cot (1.88724)

x₃ = 1.88724 - 0.32744

x₃ = 1.5598

To four decimal places = 1.5598

4 0
3 years ago
CDE E=90 c=58 CD=40 feet
Anastasy [175]

Answer:

D=-12  CDE=130

Step-by-step explanation:

7 0
3 years ago
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