2 years ago

What is 3 1/9 as a decimal

Mathematics

1 answer:

FinnZ [79.3K]2 years ago

5 0

The answer is what the red line tells you.

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The sum of the digits of a two digit number is 10. If 36 is subtracted from the number, the digit interchange their places Find

lianna [129]

Step-by-step explanation:

Let A be the tens digit of the number and B be the ones digit.

We have A + B = 10 and 10A + B - 36 = 10B + A.

=> A + B = 10 and 9A - 36 = 9B

=> A + B = 10 and A - 4 = B

=> A + B = 10 and A - B = 4

Therefore 2A = 10 + 4 = 14,

A = 7 and B = 10 - 7 = 3.

Hence the number is 73.

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3 years ago

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lesya [120]

1/16 reduced is 5/80

6 0

2 years ago

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Historically, the proportion of people who trade in their old car to a car dealer when purchasing a new car is 48%. Over the pre

artcher [175]

Answer: The proportion of new car buyers that trade in their old car has statistically significantly decreased.

Step-by-step explanation:

Since we have given that

p = 48% = 0.48

n = 115

x = 46

So, $\hat{p}=\dfrac{46}{115}=0.40$

So, hypothesis would be

$H_0:\ p=\hat{p}\\\\H_a:p$

So, test value would be

$z=\dfrac{p-\hat{p}}{\sqrt{\dfrac{p(1-p)}{n}}}\\\z=\dfrac{0.48-0.40}{\sqrt{\dfrac{0.48\times 0.52}{115}}}\\\\z=\dfrac{0.08}{0.0466}\\\\z=1.72$

At 10% level of significance, critical value would be

z= 1.28

Since 1.28 < 1.72

So, we will reject the null hypothesis.

Hence, the proportion of new car buyers that trade in their old car has statistically significantly decreased.

6 0

3 years ago

Seth has 15 cans of regular soda and 20 cans of diet soda. He wants to create some identical refreshment tables that will operat

arsen [322]

The greatest number is 5. 3 cans of regular and 4 cans of diet. The most 15 can be divided by similarly to 20 is by 5.

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1 year ago

The base area of a triangular pyramid is 22 square yards and the height of the pyramid is 15 yards. What is the volume of the tr

galben [10]

Answer:

110 yards^3

Step-by-step explanation:

volume of a triangular pyramid= 1/3 area x height

1/3 x (22) x 15 = 110 yd^3

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2 years ago