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3 years ago

A shopper buys notebooks for $15, what is the total cost if the tax is 8%

Mathematics

1 answer:

zloy xaker [14]3 years ago

4 0

Answer:

16.2$

Step-by-step explanation:

Price of the notebooks: 15$

Tax Rate: 8%

Tax: 15$ * 8% = 1.2$

Price after Tax: 15$ + 1.2$ = 16.2$

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Step-by-step explanation:

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2 years ago

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2.Solve the following quadratic equations<br> i. 9x^2 - 1/16<br> ii. 2h^2 - 3h - 27

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$ii)~2h^2-3h-27=0\\\\\Delta=b^2-4ac\to \Delta=(-3)^2-4\cdot2\cdot(-27)\to\Delta=9+216=225\\\\
\Longrightarrow h=\dfrac{-b\pm\sqrt{\Delta}}{2a}=\dfrac{-(-3)\pm\sqrt{225}}{2\cdot2}=\dfrac{3\pm15}{4}\\\\\begin{cases}h_1=\dfrac{3+15}{4}=\dfrac{18}{4}\iff \boxed{h_1=\dfrac{9}{2}}\\h_2=\dfrac{3-15}{4}=\dfrac{-12}{4}\iff\boxed{h_2=-3}\end{cases}$

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3 years ago

Joe drank 4 liters of water on Monday an 4 deciliters of water on Tuesday how much more water did he drink on Monday than on Tue

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3 years ago

please answer this question fast and please show all your work because I am locking for how can you do it please

inysia [295]

Option C is the correct values of the relationship between the number of cakes the baker makes and the number of bags of flour uses.

Solution:

Option A: Ratio of cakes baked to bags of flour used

$$\frac{9}{4}, \frac{18}{6}=\frac{3}{1} \text { and } \frac{27}{9}=\frac{3}{1}$

Here the ratios are not same.

So, this option is not true.

Option B: Ratio of cakes baked to bags of flour used

$$\frac{6}{2}=\frac{3}{1}, \frac{12}{4}=\frac{3}{1} \text { and } \frac{18}{6}=\frac{3}{1}$

Here the ratios are same.

So, this option is true.

Option C: Ratio of cakes baked to bags of flour used

$$\frac{4}{9}, \frac{6}{18}=\frac{1}{3} \text { and } \frac{9}{17}$

Here the ratios are not same.

So, this option is not true.

Option D: In this table cakes baked is 6 and the bags of flour is 18.

But a baker made 18 cakes using 6 bags of flour.

So, this option is not true.

Hence option C is the correct values of relationship between the number of cakes the baker makes and the number of bags of flour uses.

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3 years ago

If f(x) = 2x – 1 and g(x) = 3x + 5, then (f o g)(x) is equal to

Vlada [557]

Answer:

(f◦g)(x) = 6x +9

Step-by-step explanation:

Use g(x) as the argument to f(x) and simplify.

(f◦g)(x) = f(g(x)) = f(3x +5) = 2(3x +5) -1

(f◦g)(x) = 6x +9

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2 years ago