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3 years ago

What is the simplest form of the expression below?

Mathematics

1 answer:

dezoksy [38]3 years ago

5 0

Step-by-step explanation:

2/2-10X-28=

2×2/2-2×10X-2×28=

2-20X-56=

6=6/6=1.

X-7=X-7

A. 2X+4=

2X/2+4/2=

x+2

B. 6=6/6=1.

C. 12X+24=

12X/12+24/12=

X+2.

6X=6X/6=X

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julia-pushkina [17]

Answer:

Yes

Step-by-step explanation:

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So in 5 years he'll have about $1,662,500 using simple intrest but with compound it'd be more like 2mil

Hope this helps!

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2 years ago

3. A company with loud machinery needs to cut its sound intensity to 44% of its original level. By how many decibels would the l

sergeinik [125]

Answer: 3. The correct option is: A) 3.57 decibels.

6. The correct option is: B) $ln(\frac{x^2}{c^5})$ 

Step-by-step explanation:

3. Sound intensity is cut to 44% of its original level. That means, if the original sound intensity was 100, then now sound intensity will be 44.

So, $I_{0}= 100$ and $I= 44$

Using the formula $L= 10log(\frac{I}{I_{0}})$ , we will get.....

$L= 10log(\frac{44}{100})\\ \\ L= 10log(0.44)\\ \\ L= 10(-0.3565...)=-3.565...\approx -3.57$

(Rounded to the nearest hundredth)

So, the loudness would be reduced by 3.57 decibels.

6. Given expression is: $2ln(x) - 5ln(c)$

First applying the property $m*log(x)= log(x^m)$ , we will get.....

$ln(x^2)-ln(c^5)$

Now using the formula, $log(a)-log(b)= log(\frac{a}{b})$ , we will get....

$ln(x^2)-ln(c^5) = ln(\frac{x^2}{c^5})$

Thus, the answer as a single natural logarithm is $ln(\frac{x^2}{c^5})$

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3 years ago

Bernard saved $26 in June, $38 in July, and $30 in August. Then Bernard spent $11 on school supplies and $17 on new clothes. How

vladimir2022 [97]

Answer:

66$

Step-by-step explanation:

26+38+30=94

94-11-17=66

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3 years ago

A meteorologist found that the rainfall in Lexington during the first half of the month was 1/2 of an inch. At the end of the mo

zalisa [80]

Answer:

.1 inch or 1/12 of an inch

Step-by-step explanation:

3 0

3 years ago

Read 2 more answers

Help plz

Natalka [10]

Answer:

(4, 3)

Step-by-step explanation:

Since, A (-4, 3) is reflected across the y-axis to obtain point B.

Therefore, y coordinate remains the same, x coordinate flips over the y axis to be positive.

(-4,3) ==>> (4,3)

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3 years ago