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dem82 [27]
3 years ago
13

Multiply using duplation and mediation. 731 × 54

Mathematics
1 answer:
Oliga [24]3 years ago
4 0
Hey there, 

731 * 10 = 7310 

731 * 20 = 14620 

731 * 5 = 3655 

731 * 25 = 14620 + 3655 = 18275 

731 * 25 = 18275 + 18275 = 36550 
<span><span><span><span>
</span></span></span></span>731 * 2 = 1462 &#10;&#10;731 * 4 = 2924 &#10;&#10;Therefore, 731 * 54 = 36550 + 2924 = 39474<span><span><span><span>
</span></span></span></span>
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Please help me !
gavmur [86]

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^^^^^^^^^^^^^^^^^^^^
Sladkaya [172]
<h2>Hello!</h2>

The answer is:

The correct option is:

A) $74.55

<h2>Why?</h2>

To calculate how much does Sonya pay for the four pairs altogether, we need to calculate the original price after the 50% discount and the taxes.

Calculating we have:

PriceAfterDiscount=35*50(percent)=35*\frac{50}{100}\\\\35*\frac{50}{100}=35*0.5=17.5

We have that before the tax, the price of the shoes was $17.5, then, calculating the price after the taxes, we have:

AfterTaxes=17.5(1+6.5(percent))=17.5(1+\frac{6.5(percent)}{100})\\\\AfterTaxes=17.5(1+\frac{6.5(percent)}{100})=17.5*(1+0.065)\\\\AfterTaxes=17.5*(1+0.065)=17.5*1.065=18.637

So, we have that the price after discount and the taxes is $18.637 per each pair of shoes.

Hence, the price for the four pairs of shoes will be:

TotalPrice=4*18.637=74.548=74.55

Have a nice day!

8 0
3 years ago
A cup is 6.4 cm tall, not including a 0.6 cm lip. Cups are stacked inside one another. You may want to draw a diagram to help yo
NemiM [27]

H(c)=6.4+0.6c

6.4 is the constant


when the height of the cups is 18.4 the function is:

18.4=6.4+0.6c

then you subtract 6.4 from both side to get:

18.4 - 6.4=6.4 + 0.6c - 6.4

12=0.6c

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plzzz mark brainiest

6 0
4 years ago
Read 2 more answers
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miskamm [114]

Answer:

a or c

Step-by-step explanation:

sana makatulong

sabi mo 3 lang yan tapos na

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