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zalisa [80]
2 years ago
12

A hotel reservation number consist of 4 digits, followed by 1 letters, followed by 3 digits. How many different reservation numb

ers are possible?

Mathematics
1 answer:
astraxan [27]2 years ago
5 0

Answer:

24000000

(might not be correct)

Step-by-step explanation:

might not be right but ill try:

ten digits: 10

4times:10x10x10x10=10000

times a letter:24 letters= 10000x24=240000

time three digits: 10x10x10=100x240000=24000000

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A three-dimensional model of lucia’s apartment is shown. to cool the whole apartment, an air conditioner must provide 2.5 btus p
SashulF [63]

The number of btus which are needed to cool Lucia’s apartment shown in the three-dimensional model are 20,400 btus.

<h3>What is of volume of rectangular prism?</h3>

Volume of rectangular prism is the amount of quantity, which is obtained in it in the 3 dimensional space.

Volume of a rectangular prism is the product of its width, height and length.

V=w\times h\times l

Here, (w) is the width of the base (l) is the length and (h) is the height of the rectangular prism.

A three-dimensional model of Lucia’s apartment is shown. The image is attached below for the apartment. The three section are there in the apartment. The volume of this apartment is,

V=[(20\times12)+(20-9)\times16+(20\times20)]\times10\\V=8160\rm\; ft^3

To cool the whole apartment, an air conditioner must provide 2.5 btus per cubic foot. To cool, the 8160 cubic foot apartment the btus needed are,

n=8160\times2.5\\n=20400\rm\; btus

Hence, the number of btus which are needed to cool Lucia’s apartment shown in the three-dimensional model are 20,400 btus.



Learn more about the volume of a rectangular prism here;

brainly.com/question/4016105

5 0
2 years ago
I need the answer ASAP please
lara [203]

a \leq 7

because 4a + 7 - 7 \leq 35 - 7

equals 4a \leq 28

and 4a/4 \leq 28/4

equals a \leq 7

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3 years ago
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PLEASE HELP, ITS DUE VERY SOON
VLD [36.1K]

Answer:

30

Step-by-step explanation:

90+2x+x=180

3x=90

x=30

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In terms of significant figures, when doing division and/or multiplication, the answer should reflect the number in the problem
frosja888 [35]
THE STATEMENT IS TRUE.


MULTIPLICATION<span> AND DIVISION: When </span>multiplying<span> or dividing numbers, count the NUMBER OF </span>SIGNIFICANT FIGURES<span>. The answer cannot CONTAIN MORE </span>SIGNIFICANT FIGURES<span> THAN THE NUMBER BEING MULTIPLIED OR DIVIDED with the LEAST NUMBER OF</span>SIGNIFICANT FIGURES<span>.
</span>
I hope my answer has come to your help. Thank you for posting your question here in Brainly. We hope to answer more of your questions and inquiries soon. Have a nice day ahead!
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2 years ago
19. (3,5), (2,-2)
Viktor [21]

Answer:

y=7x−16       the answer ;)

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