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Mathematics

2 answers:

Veronika [31]3 years ago

8 0

Answer:shiii

Step-by-step explanation:I anit smart

gladu [14]3 years ago

3 0

I can help you but I am confused what you need to do ?

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the vate rate of a country is 15% ,a woman bought an item with a price tag ghc 300 plus vat .what price did she pay for the item

RSB [31]

Answer:

i think 345 if not sorry

Step-by-step explanation:

5 0

2 years ago

What's the geometric mean of these two numbers? 8.5 and 12.4

Strike441 [17]

(8.5*12.4)^(1/2)=10.266

In general the geometric mean is (ab)^(1/2), (abc)^(1/3), (abcd)^(1/4), etc

The nth root of the product of n elements.

7 0

3 years ago

Olivia has an average score 90 on her five French tests if she earns a score of 98 on the sixth test what will he average score

SVETLANKA909090 [29]

Answer:

91.33

Step-by-step explanation:

90x5=450, add 98 to get 548. Since there are 6 tests, divide 548 by 6 and you get 91.33

7 0

3 years ago

Use the order pairs to write a function rule. Give the tule in slope-intercept form.

topjm [15]

to get the equation of any straight line, we simply need two points off of it, so hmmm let's use say (-1 , -1.25) and (8 , -3.5)

$(\stackrel{x_1}{-1}~,~\stackrel{y_1}{-1.25})\qquad (\stackrel{x_2}{8}~,~\stackrel{y_2}{-3.5}) \\\\\\ \stackrel{slope}{m}\implies \cfrac{\stackrel{rise} {\stackrel{y_2}{-3.5}-\stackrel{y1}{(-1.25)}}}{\underset{run} {\underset{x_2}{8}-\underset{x_1}{(-1)}}}\implies \cfrac{-3.5+1.25}{8+1}\implies \cfrac{-2.25}{9}\implies -\cfrac{~~ \frac{225}{100}~~}{\frac{9}{1}} \\\\\\ -\cfrac{225}{100}\cdot \cfrac{1}{9}\implies -\cfrac{9}{4}\cdot \cfrac{1}{9}\implies -\cfrac{1}{4}$

$\begin{array}{|c|ll} \cline{1-1} \textit{point-slope form}\\ \cline{1-1} \\ y-y_1=m(x-x_1) \\\\ \cline{1-1} \end{array}\implies y-\stackrel{y_1}{(-1.25)}=\stackrel{m}{-\cfrac{1}{4}}(x-\stackrel{x_1}{(-1)}) \\\\\\ y+1.25=-\cfrac{1}{4}(x+1)\implies y+\cfrac{5}{4}=-\cfrac{1}{4}x-\cfrac{1}{4} \\\\\\ y=-\cfrac{1}{4}x-\cfrac{1}{4}-\cfrac{5}{4}\implies y=-\cfrac{1}{4}x-\cfrac{6}{4}\implies y=-\cfrac{1}{4}x-\cfrac{3}{2}$

3 0

2 years ago

Factor completely 4x2 + 25x + 6

xxTIMURxx [149]

(4x+1)(x+6).
Is this what you're looking for.

8 0

3 years ago