3 years ago

Question 9 Find the length of ST s T T 5 U

Mathematics

1 answer:

julia-pushkina [17]3 years ago

4 0

Answer:

Step-by-step explanation:

The answer is 5 because all angles are congruent.

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V. Money Magazine reported that the average price of gasoline in the United States during the first quarter of 2008 was $3.46. A

Butoxors [25]

Answer:

$z=\frac{3.43 -3.46}{\frac{0.15}{\sqrt{30}}} = -1.095$

$z=\frac{3.49 -3.46}{\frac{0.15}{\sqrt{30}}} = 1.095$

And we can find this probability using the normal standard table and we got:

$P(-1.095$

Step-by-step explanation:

Let X the random variable that represent the price of a population, and for this case we know the distribution for X is given by:

$X \sim N(3.46,0.15)$

Where $\mu=3.46$ and $\sigma=0.15$

And for this case we want to find the following probability:

$P(3.43 \leq \bar X \leq 3.49)$

And we can use the z score formula given by:

$z=\frac{\bar X -\mu}{\frac{\sigma}{\sqrt{n}}}$

If we find the z score for the limits we got:

$z=\frac{3.43 -3.46}{\frac{0.15}{\sqrt{30}}} = -1.095$

$z=\frac{3.49 -3.46}{\frac{0.15}{\sqrt{30}}} = 1.095$

And we can find this probability using the normal standard table and we got:

$P(-1.095$

8 0

4 years ago

Solve the equation. Write the answer in terms of the natural logarithm.<br><br> 5e^{0.2x}=6[/tex]

Snezhnost [94]

Answer:

x = 5 ln 1.2

Step-by-step explanation:

$5e^{0.2x}=6$
$e^{0.2x}=6/5$
$e^{0.2x}=1.2$
$ln (e^{0.2x})= ln 1.2$
0.2x = ln 1.2
x = 5 ln 1.2

8 0

3 years ago

Read 2 more answers

what's the difference between (-4)^-3 and -4^-3. basically what's the difference when there's parenthesis for the base number?

NNADVOKAT [17]

(-4)^-3 = $\frac{1}{-64} or -0.015625$
-4^-3 = $\frac{1}{-64} or -0.015625$

Basically in this situation there is no difference whether parenthesis are used or not.

5 0

3 years ago

The Wares want to buy a new computer. The regular price is $1049. The is offering a 20 percent discount and a sales tax of 5.25

dmitriy555 [2]

$839.25 or $839.3 is the total cost

5 0

3 years ago

Which expression is equivalent to -2(5x-0.75)

notsponge [240]

Hello!

You can distribute the -2

-2 * 5x = -10x

-2 * -0.75 = 1.5

The answer is -10x + 1.5

Hope this helps!

7 0

3 years ago

Read 2 more answers