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3 years ago

Ali swims 4m for every 1m Anton swims. By how far in meters will Ali beat Anton if the race is 50m?

Mathematics

1 answer:

Harrizon [31]3 years ago

3 0

I believe the answer is 200m

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uppose a large telephone manufacturer has a problem with excessive customer complaints and consequent returns of the phones for

vodka [1.7K]

Answer:

The answer is "294.2075".

Step-by-step explanation:

Given:

$\hat{p} = 0.5 \\\\1 - \hat{p} = 1 - 0.5 = 0.5\\\\E = 4\% = 0.04\\\\$

At $83\%$ confidence level the z is ,

$\alpha = 1 - 83\% = 1 - 0.83 = 0.17\\\\\frac{\alpha}{2} = \frac{0.17}{2} = 0.085\\\\Z_{\frac{\alpha}{2}} = Z_{0.085} = 1.3722\\\\n = (\frac{Z_{\frac{\alpha}{2}}}{E})^2 \times \hat{p} \times (1 - \hat{p})\\\\$

$= (\frac{1.3722}{0.04})^2 \times 0.5 \times 0.5\\\\= (34.305)^2 \times 0.5 \times 0.5\\\\= 1,176.83 \times 0.5 \times 0.5\\\\= 1,176.83 \times 0.25\\\\=294.2075$

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3 years ago

What is the value of x in the equation 3x + 2 = 5x - 8?

katrin2010 [14]

Answer:5

Step-by-step explanation:

3(5)+2=17

5(5)-8=17

X=5

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2 years ago

Find the exact interest on a loan of $32,600 at 9% annually for 30 days

ryzh [129]

Answer:

$240.00 is the monthly interest

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3 years ago

Please help: 3x+10=-5. What is x?

Rudiy27

Answer:

-5

Step-by-step explanation:

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3 years ago

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Which expression is equivalent to

masya89 [10]

$2\sqrt[3]{x^2}\cdot \sqrt{16x}\\\\=2\sqrt[3]{x^2} \cdot 4\sqrt x\\\\=8x^{\tfrac 23} \cdot x^{\tfrac 12}\\\\=8\cdot x^{\tfrac 23 + \tfrac 12}\\\\=8\cdot x^{\tfrac 76}\\\\=8\sqrt[6]{x^7}\\\\=8\sqrt[6]{x^6 \cdot x}\\\\=8x\sqrt[6]{x}$

$\text{Hence the answer is A}$

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2 years ago

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