2 years ago

You want to buy some noodles. An 8-ounce package costs $2.88. A 14-ounce package costs

Mathematics

1 answer:

torisob [31]2 years ago

6 0

Answer:

A 20-ounce package that costs $6.80 is the best buy

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Simplify this expression<br><br> (3 + i) - (2- 2i)

ivolga24 [154]

1+3i

like standart algebra

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3 years ago

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Mr. Sanchez bought 2 magazines for $9.95 each and 1 book for $14.95. If the sales tax is 6%, what is the total cost of Mr. Sanch

Gennadij [26K]

add up the purchases

2(9.95) + 14.95

19.90 +14.95

34.85

now find the sales tax

34.85 * .06 =2.091 = 2.09 (round to 2 decimal places with money)

add the purchases and the sales tax to get the total amount

34.85 + 2.09

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3 years ago

(UPE) Terremotos são eventos naturais que não têm relação com eventos climáticos extremos, mas podem ter consequências ambientai

Alex

Answer:

E= $10^{18}$ Joules

Step-by-step explanation:

1) Olá! Adicionando dados faltantes ao enunciado, como a fórmula dada: $M=\frac{2}{3}log(\frac{E}{E_{0}})\\$ e corrigindo a quantidade de Energia inicial: $10^{4,5}$ Vamos seguir aplicando a fórmula, lembrando das propriedades de logaritmo.

$M=\frac{2}{3}log(\frac{E}{E_{0}})\\9=\frac{2}{3}log(\frac{E}{10^{4,5}})*3\\27=2log(\frac{E}{10^{4.5}})\\log(\frac{E}{10^{4.5}})^{2}=27\\(\frac{E^{2}}{10^{9}})=10^{27}\\E^{2}=10^{27}*10^{9}\Rightarrow E=\sqrt{10^{36}}\rightarrow E=10^{18} Joules$