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Nana76 [90]
3 years ago
6

What is 23+41-7×398-15

Mathematics
1 answer:
Dimas [21]3 years ago
6 0
 This question is just a type of question that you honestly just need to punch into a calculator. However, if you just do a simple one-over-one addition of 23 and 41, then subtract, it gets even easier. Then, do another one-over-one but this time as subtraction when you take away the 7. Then you will do yet another one-over-one but for multiplication with your sum of your numbers after subtraction. Finally, do another one-over-one to get your final answer of 22,671. I will attach a picture of what this looks like as well as an illustrated one-over-one. Hope this helped!

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The correct answer is option B which is mixture B will have the highest ratio of blue paint.

<h3>What is a ratio?</h3>

In mathematics, ratios are used to determine the relationship between two numbers it indicates how many times is one number to another number.

<h3 />

The given ratios are:-

Mixture A = \dfrac{5}{12} = 0.41

Mixture B = \dfrac{6}{6}= 1

Mixture C = \dfrac{4}{12}= 0.33

Mixture B = \dfrac{5}{6}=0.83

Here the ratio of mixture B is the highest among all the options available.

Therefore the correct answer is option B which is mixture B will have the highest ratio of blue paint.

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2 years ago
In 2000 the total amount of gamma ray bursts was recorded at 6.4 million for a city. In 2005, the same survey was made and the t
ratelena [41]

Let's assume

It started in 2000

so, t=0 in 2000

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we can use formula

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we can plug value

P(t)=6.4 e^{rt}

In 2005, the same survey was made and the total amount of gamma ray bursts was 7.3 million

so, at t=2005-2000=5

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now, we can plug back

P(t)=6.4 e^{0.02632t}

now, we have

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so, we can set it and then we can solve for t

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Which of the following expressions are equivalent to 6 + (-4) - 5 ?
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Answer:

A

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Step-by-step explanation:

A and C gives same result....

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Step-by-step explanation:

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Sales price = Cost price[1+Profit after discount]

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Sales price = 4,800

Market price = Sales price[100/(100 - Discount)]

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