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3 years ago

What is 29.1 in expanded form

Mathematics

2 answers:

lawyer [7]3 years ago

8 0

20+9+0.1 hope this helps

Luden [163]3 years ago

7 0

Hi!

<h3>Expanded form is adding all of the digits. </h3>

So 365 is 300 + 60 + 5.

<h2>The answer is 20 + 9 + 0.1</h2>

Hope this helps! :)

-Peredhel

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g In an experiment, 37 randomly selected drivers drove from Pontiac to Detroit at random times. The travel time for these driver

enot [183]

Answer:

CI = ( 36,6 ; 41,4 )

Step-by-step explanation:

CI = 99,9 % α = 0,1 % α = 0,001

We find z scre for α = 0,001 in z -table

z(s) = - 3,08

CI = μ₀ ± MOE where μ₀ = 39 min and MOE = z(s) * σ/√n

CI = 39 ± 3,08 * 4,8 / √37

CI = 39 ± 2,4315

CI = ( 36,6 ; 41,4 )

7 0

3 years ago

Find the probability that a Type A bulb lasts at least 300 hours and a Type B bulb lasts at least 400 hours.

barxatty [35]

Answer:

$P(X>3)P(X>4)=(1-F_1(3))(1-F_2(4))$

Step-by-step explanation:

We require more information by I will explain in principle:

If Type A has at least 300 hours and Type B at least 400 hours.

$(X>3)(Y>4)=P(X>3)P(X>4)$

You need to determine the Probability density function of X and Y and then subtract 1 from both

$P(X>3)P(X>4)=(1-F_1(3))(1-F_2(4))$

This will give you the probability of the expression.

5 0

4 years ago

Can someone pls help me?

nignag [31]

Step-by-step explanation:

ofc , so that is that and the other is that

4 0

3 years ago

Find two positive numbers satisfying the given requirements. The product is 216 and the sum is a minimum. (No Response) (smaller

fgiga [73]

Answer:

$x1=\sqrt{216} \ and \ y1=\ \sqrt{216}$

Step-by-step explanation:

Let the first number is x1 and other number is y1 then

$x1 * y1 =216$

Therefore

$y1=$ $\frac{216}{x1}$

also there sum is

$s1 =x1+y1$ ....Eq(1)

Putting the value of y1 in the previous equation

$s1\ =x1 + \frac{216}{x1}$ ........Eq(2)

Differentiate the the Eq(2) with respect to x1 we get

$\frac{ds1}{dx1} \ =\ 1+216*\frac{1}{-x1^{2} }$

$\frac{ds1}{dx1} \ =\ 1-\frac{216}{x1^{2} }\ =\ 0$

${x1^{2} }\ =\ 216\\ x1=\sqrt{216}$

Putting the value of X1 in Eq(1) we get

$y1=\frac{216}{\sqrt{216} } \\y1=\frac{216*\sqrt{216} }{216} \\y1=\ \sqrt{216}$

So $x1=\sqrt{216} \ and \ y1=\ \sqrt{216}$

6 0

4 years ago

It costs $3 to bowl a game and $2 for shoe rental.Write an expression for cost of g games.

zubka84 [21]

if you want one game and shoe rental it would be 5$.

so g=5

so for example if you were to have 4 games, you would use this expression:

4•g or 4•5

hope i helped :)

3 0

3 years ago