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3 years ago

Whithout subtracting 8.5-4.64 dertermind what digit will be in the hundreds place

2 answers:

7 0

The answer is 3.86

8.50
-4.64
--------
3.86

For this particular problem there is 0 in the hundreds place 003.86 (bold is hundreds place)

BUT there is something in the hundredths (if this is what you meant) 3.86 (bold is hundredths)

DENIUS [597]3 years ago

7 0

Hundreds or hundredths?

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Boris chooses three different numbers the sum of the three numbers is 36 one of the numbers is a cube number the other two numbe

OlgaM077 [116]

Answer:

3,4,5

Step-by-step explanation:

Here, we need to asume that the values are integers, as if not, there will be infinite solutions.

Lets go by parts:

The 1st number is a cubic, lets call it A

The second is a factor of 20, lets call it B. The same for the 3rd, call it C.

So, A + B+ C = 36

There are no many factors of 20, those are the numbers that when multiplied gives as the value of 20. Those are 1, 2, 4, 5, 10 and 20. So, B and C are some of these numbers.

Then, we know A if less than 36, other way the whole sum will be greater than 36. How many cubic number with integer cubic roots are less than 36? Well, lets guess:

1^3 = 1 -> valid, as it is less than 36

2^3 = 8 -> valid, as it is less than 36

3^2 = 27 -> valid, less than 36

4^3 = 64 -> not valid, as it is greater than 36

So, A ir 1, 2 or 3.

If A is 1, then B+C needs to be 35. But, from the factors of 20 that we listed, there are no combinations of 2 numbers that sum 35. So, A CAN'T be 1.

If A = 2, then we have:

8 + B + C = 36

B + C = 28

And again, there are not combinations of two factors of 20 that sum 28 (try yourself).

If A=3:

27 + B + C = 36

B +C = 9

And we have a winner!!! If B=4 and C=5 (or viceversa C=4 and B=5)

27 + 4 + 5 = 36

So, A=3, B=4 and C=5 or A=3, C=4 and B=5 are solutions.

3 0

4 years ago

A random variable X follows the continuous uniform distribution with a lower bound of −4 and an upper bound of 18. a. What is th

shutvik [7]

Answer:

The height of the density function is $\frac{1}{22}$

Step-by-step explanation:

Given : A random variable X follows the continuous uniform distribution with a lower bound of −4 and an upper bound of 18.

To find : What is the height of the density function f(x)?

Solution :

According to question,

The height of the density function is given by,

$f(X)=\frac{1}{b-a}$

Where, a is the lower bound a=-4

b is the upper bound b=18

Substitute the value in the formula,

$f(X)=\frac{1}{18-(-4)}$

$f(X)=\frac{1}{18+4}$

$f(X)=\frac{1}{22}$

Therefore, The height of the density function is $\frac{1}{22}$

5 0

3 years ago

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Find the logarithms of the following numbers to the base 1/3: 1

kow [346]

Answer:

6.644

Step-by-step explanation:

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Naily [24]

Answer:

$y = - 5x + 4$

Step-by-step explanation:

You can plot the graph on online graphing calculator to check.

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3 years ago

Please help me with all the questions on both attachments.

Strike441 [17]

I am going to go on a limb here and say that C, or the third one is incorrect. I would love to say it is A, or the first one, but i'm not completely sure, if it's wrong I am really sorry!

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3 years ago

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