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vitfil [10]
3 years ago
11

Is the answer 200? Or 4.5??? Or is none ? I don't know it's confusing :/ can I get help :/

Mathematics
2 answers:
skelet666 [1.2K]3 years ago
6 0
Let x = the number of penguins we are finding

x ÷ 100 × 30 = 15
x = 15 ÷ 30 × 100
x = 50

hope this helps and have a great day :)


siniylev [52]3 years ago
3 0
15 emperor penguins = 30% of the Penguins at the zoo
5 emperor penguins = 10% of the Penguins at the zoo
So 15x3= 45 which also equals 90% so add 5 penguins and you get 100%
50 penguins live in the zoo
50 penguins = 100%
Hope this helps :3
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Find the explicit formula for a 1 =-4,a n =a n-1 +9,n>=2
Mrrafil [7]

Given:

a_1=-4 and a_n=a_{n-1}+9 where n\geq 2.

To find:

The explicit formula for the given recursive formula.

Solution:

We know that recursive formula of an AP is:

a_n=a_{n-1}+d

Where, d is the common difference.

We have,

a_n=a_{n-1}+9

Here, d=9.

The first term of the AP is a_1=-4.

The explicit formula for an AP is:

a_n=a_1+(n-1)d

Substituting a_1=-4 and d=9, we get

a_n=-4+(n-1)9

a_n=-4+9n-9

a_n=-13+9n

Therefore, the required explicit formula for the given sequence is a_n=-13+9n.

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3 years ago
The letter S is made by connecting points A,B,C,D,E, and F. A scaled copy is made using points T,U,V,W, X, and Y х Z V w E F D С
katrin [286]

Answer:

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Step-by-step explanation:

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3 years ago
What numbers add to 2 and multiply to -56
marta [7]

The numbers are irrational, so they can't be exactly written down
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In exact form, they are

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5 0
3 years ago
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What’s the volume of a rectangle solid with the given dimensions: length 20, width 23, height 26
ANEK [815]

The volume of the rectangular solid is: 11,960 units³.

<h3>How to Find the Volume of a Rectangular Solid?</h3>

The formula to find the volume of a rectangular solid is: (length)(width)(height).

Given the dimensions as:

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Volume = (20)(23)(26)

Volume of the rectangular solid = 11,960 units³.

Learn more about about the volume of rectangular solid on:

brainly.com/question/15116803

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8 0
2 years ago
Plz help me asap plz i will mark you as brainlist
Masteriza [31]

Answer:

$420

Step-by-step explanation:

130x12=1560

165x12=1980

1980-1560=420

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3 years ago
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