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diamong [38]
3 years ago
6

Isadora vai revestir uma das paredes do de seu quarto como eu decorativa essa parede tem 4,35 m de comprimento por 2,80 m de lar

gura quantos metros quadrados de papel decorativo seu necessários para cobrir-la? Me ajuda porfavor. <3
Mathematics
1 answer:
marusya05 [52]3 years ago
7 0

Answer:

Isadora necesitará un papel decorativo de 12.18m ^ 2

Step-by-step explanation:

La clave para resolver esta pregunta es conocer la forma de la habitación que Isadora quiere cubrir.

Mirando la medida en la pregunta, podemos deducir que la forma de la habitación que Isadora quiere cubrir es rectangular. Por lo tanto, para obtener los metros cuadrados de papel decorativo necesarios, lo que debemos hacer es calcular el área de la habitación rectangular.

Matemáticamente, el área de la habitación rectangular es = Espesor de la habitación × longitud de la habitación = 4.35 × 2.80 = 12.18 m ^ 2

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Katie won't have more than  100 shells until the 7th day

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3 years ago
Vickie made a recipe for 144 fluid ounces of scented candle wax. How many 1 cup candle molds can she fill with the recipe?
jeka57 [31]
There are 8 fluid ounces in 1 cup.  You can solve this problem using these proportions:

\frac{8}{1} = \frac{144}{x}

It states that there are 8 fluid ounces in every 1 cup and 144 fluid ounces in every <em>x </em>cups.  We have to solve for <em>x </em>using cross-multiplication:

8x = 144 \\ x=18

Vickie can fill 18 1 cup candle molds with 144 fluid ounces of scented candle wax.
6 0
2 years ago
If you are allowed to use numbers 1 – 20 and need to choose the passcode of an exact 4 digit code, how many possibilities are th
VMariaS [17]

Since in a pass code, the placement of the digits is important, therefore this means that to solve for the total number of possibilities we have to make use of the principle of Permutation. The formula for calculating the total number of possibilities using Permutation is given as:

P = n! / (n – r)!

where,

n = is the total amount of numbers to choose from = 20

r = is the total number of digits needed in the passcode = 4

 

Therefore solving for the total possibilities P:

P = 20! / (20 – 4)!

P = 20! / 16!

P = 116,280

 

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4 0
2 years ago
The double number line shows the amount of time a hen needs to lay 1 egg.
Scorpion4ik [409]

I realize the double number line in this exercise can be as shown in the attached image, in that case, the table, correctly completed is:

Eggs      Time (hours)

 3                   <u>75</u>

 <u>4</u>                  100

 12                <u>300</u>

Method to complete the table.

First, you must see the double number line (attached image), in this we identify a hen needs 25 hours to lay 1 egg, by this reason, to identify the time required for a certain number of eggs, just multiply the number of eggs by 25 (the number of hours shown on the double number line), then:

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To calculate the number of eggs taking into account the time, you must divide the hours by 25:

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In this way, <u><em>you can check that the answers are 75, 4, and 300 respectively, to complete the table in the correct form</em></u>.

You can review more exercises and test your new knowledge about the double number line at the following link: brainly.com/question/13553589?referrer=searchResults

8 0
2 years ago
*math please help* Simplify.
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Given : \frac{\frac{4x}{5 + x}}{\frac{6x}{x + 2}}

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\implies \frac{2x + 4}{3x + 15}

3 0
2 years ago
Read 2 more answers
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