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3 years ago

9

As part of an activity during math class, Kiera has to select a secret number containing 3 different digits from 1 to 4. How man

y different secret numbers can Kiera create?

1 answer:

Alenkasestr [34]3 years ago

8 0

Answer:

24.

Step-by-step explanation:

The is the number of permutations of 3 digits from 4

= 4P3

= 4! / (4- 3)!

= 4 *3 *2 *1 / 1!

= 24/1

= 24.

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Granny visited the Eiffel Tower. It is 324 meters tall. The Statue of Liberty is 93 meters tall. What is the ratio of the height

Nataly_w [17]

324 : 93

simplified:

108 : 31

5 0

3 years ago

Please please please help me with this I don’t get it

bezimeni [28]

Hello the answer would be 18

Explanation:
lines KH and JK are congruent.

Line KH=c+18
Line JK=2c

2c=36 divide by 2
c=18

I don’t know how to explain it any other way.. sorry if you don’t understand but mark my answer as brainliest if it helped you out, please.

4 0

3 years ago

What are the amplitude, period, and phase shift of the given function? f(t)=-2/3 cos (3t-3pi)

dybincka [34]

Answer:

amplitude; $\frac{2}{3}$

Phase shift; $\pi$ units right

Period; $\frac{2\pi}{3}$

Step-by-step explanation:

The given function is

$y=-\frac{2}{3}\cos(3t-3\pi)$

This function is of the form;

$y=A\sin (Bt+C)$

The period is given by:

$|A|=|-\frac{2}{3}|= \frac{2}{3}$

The period is given by:

$T=\frac{2\pi}{|B|}= \frac{2\pi}{|3|}=\frac{2\pi}{3}$

The phase shift is given by;

$\frac{C}{B}=\frac{-\3pi}{3}=- \pi$ or $\pi$ units right.

4 0

3 years ago

Can someone please help with this and show me in steps will give brainliest?

alina1380 [7]

A. 3 times 10^4
90000000 divided by 3000 is 30000 which happens to be equal to 3 times 10^4

If you want to learn how to do this just take your whole number ex: 3 and put 10^6 and you will have 3 followed by 6 zeros. The ^ is just how many zeros will follow your whole number at first.

5 0

3 years ago

How are these identical??

Karolina [17]

Cuz They Are Identical Duhhh

8 0

3 years ago