3 years ago

Decrease £110 by 10%

Mathematics

1 answer:

nadya68 [22]3 years ago

3 0

Not sure of this, but this is what i found

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For any positive number b not equal to 1 and any number or variable n, evaluate the following expression.

kirza4 [7]

Answer:

$log_{b} b^{n}$ = n.

Step-by-step explanation:

Given : $log_{b} b^{n}$ , b is any positive number not equal to 1 and n is any number.

To find : Evaluate the expression $log_{b} b^{n}$ .

Formula used : $log_{b} x^{y}$ . = y ∙ $log_{b}$ (x) and

$log_{b}(b) = 1.Solution : We have [tex]log_{b} b^{n}$ .

By logarithm rule : $log_{b} x^{y}$ . = y ∙ $log_{b}$ (x).

Then $log_{b} b^{n}$ = n∙ $log_{b}$ (b).

By logarithm rule : $log_{b}(b) = 1.Now, n∙ [tex]log_{b}$ (b) = n.

Therefore, $log_{b} b^{n}$ = n.

5 0

3 years ago

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Find the slope of the line y =7/8x- 9/5. Simplify your answer and write it as a proper fraction, improper fraction or integer

Ilya [14]

Answer:

7/8

Step-by-step explanation:

The coefficient of x is the slope, so 7/8.

3 0

3 years ago

Jermaine paid 37.95 for 11 gallons of gasoline.what was the price in dollars per gallon?

densk [106]

Divide 37.95 by 11 to get 3.45
so the answer is:
$3.45 per gallon

7 0

4 years ago

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While mining, Nancy found a Large metal bar that contain 12 g of copper. Nancy also determined that the bar was 80% copper. What

Snezhnost [94]

Answer:

15 grams

Step-by-step explanation:

If the copper made up 80% of the weight of the bar (w), then the bar weighed ...

0.80w = 12 g

w = (12 g)/0.80 = 15 g

_____

Copper has a density of about 8.96 g/cm³, so Nancy's "large" metal bar is about the size of two sugar cubes.

5 0

4 years ago

What is the area of the composite figure?<br> 7 yds;<br> 12 yds.<br> 18 yds.

Tju [1.3M]

For the square its 18x12 which is 216
For tge triangle its 18x7 which is 126 divided by 2 because its a triangle so 63
216+63=279yds^2

4 0

3 years ago

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