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Alexxandr [17]
2 years ago
14

2. Sam can make 15 pizzas in 2.5 hours. At this

Mathematics
2 answers:
Verizon [17]2 years ago
6 0

Answer:

48

Step-by-step explanation:

You can do it with cross multiplication

kirza4 [7]2 years ago
6 0

Answer:

the answer is 48. his rate per hour is 6 per hour.

Step-by-step explanation:

sam can make 15 pizzas in 2.5 hours. to find pizzas/hour, divide the pizzas (15) by the time spent (2.5). that will be 6. then multiply 6 by 8, and you get 48 pizzas per 8 hours (6 x 8= 48.)

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Answer:

y*(x+2)=k

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Step-by-step explanation:

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The answer for you problem is 6
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The hire purchase cost of a radio is $6355. If the deposit is $1000 and the balance is to be paid in 9 equal instalments, each i
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is the correct answer

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3 years ago
Can 3.65909090909 be expressed as a fraction whose denominator is a power of 10? Explain.
GuDViN [60]
\bf 3.659\textit{ can also be written as }\cfrac{3659}{1000}\textit{ therefore }3.6590909\overline{09}\\\\
\textit{can be written as }\cfrac{3659.0909\overline{09}}{1000}

notice above, all we did, was isolate the "recurring part" to the right of the decimal point, so the repeating 09, ended up on the right of it.

now, let's say, "x" is a variable whose value is the recurring part, therefore then

\bf \cfrac{3659.0909\overline{09}}{1000}\qquad \boxed{x=0.0909\overline{09}} \qquad \cfrac{3659+0.0909\overline{09}}{1000}\implies \cfrac{3659+x}{1000}

now, the idea behind the recurring part is that, we then, once we have it all to the right of the dot, we multiply it by some power of 10, so that it moves it "once" to the left of it, well, the recurring part is 09, is two digits, so let's multiply it by 100 then, 

\bf \begin{array}{llllllll}
100x&=&09.0909\overline{09}\\
&&9+0.0909\overline{09}\\
&&9+x
\end{array}\quad \implies 100x=9+x\implies 99x=9
\\\\\\
x=\cfrac{9}{99}\implies \boxed{x=\cfrac{1}{11}}\\\\
-------------------------------\\\\
\cfrac{3659.0909\overline{09}}{1000}\qquad \boxed{x=0.0909\overline{09}} \quad \cfrac{3659+0.0909\overline{09}}{1000}\implies \cfrac{3659+x}{1000}
\\\\\\
\cfrac{3659+\frac{1}{11}}{1000}

and you can check that in your calculator.
8 0
3 years ago
Decide if the function is an exponential function. If it is, state the initial value and the base. (2 points) y = - 7.4 ⋅ 6x
mixer [17]
This is not an exponential function. This is a linear function.
4 0
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