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3 years ago

A pair of Shoes are 40% off, regular price is n dollars, what’s the algebraic expression of the sale price

Mathematics

1 answer:

vlabodo [156]3 years ago

5 0

Answer:

.6n

Step-by-step explanation:

If we get 40 % off, we still have to pay 100-40 or 60%

The original price is n

We pay 60% of n

60%*n

.60*n

.6n

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Find the value of x in the triangle shown below. 5.7 20 6 6 56

ycow [4]

Answer:

62 degrees

Step-by-step explanation:

the base angles are congruent and the sum of angles is 180 degrees

56 + 2x = 180

2x = 124

x = 62 degrees

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2 years ago

What is the distance between (-5.2, -6.1) and (7.9, -6.1) once you answer this, hows your day been? Have you drank water? If not

bagirrra123 [75]

Answer:

I think it would be 13

Step-by-step explanation:

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2 years ago

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You buy a brand new wax candle that stands 6 inches tall. Knowing that the rate at which the wax melts is approximately 1/100 of

ipn [44]

Answer:

y=-1/100x+6 or y=-1x+600

Step-by-step explanation:

6 inches is the Y intercept (600,0) if measuring by 1/100 or (6,0)

Since the wax is melting, the slope is going to be negative

y=mx+6 or y=mx+600 either is fine and would yield the same results

y=-.01x+6, y=1/100x+6 or y=-1x+600

To explainn why 6 and 600 are both fine, 6 is measuring with full inches while the 600 is measuring with .01 inches. One graph will be full numbers while the other will be decimals.

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2 years ago

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-15 +n=-9 One step equation need the answer

Nady [450]

Answer:

Step-by-step explanation:

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2 years ago

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In preparing a certain ointment, a pharmacist used 28.35 g of zinc oxide instead of the 31.1 g called for. Calculate the percent

Vilka [71]

Answer: 9.70%

Step-by-step explanation:

The formula to find the percentage error is given by :-

$\%\text{ error}=\dfrac{|\text{Estimate-Actual}|}{\text{Actual}}\times100$

Given : Actual mass of zinc oxide used by pharmacist = 28.35 g

Estimated mass of zinc oxide used by pharmacist =31.1 g

Now, $\%\text{ error}=\dfrac{|31.1-28.35|}{28.35}\times100$

i.e. $\%\text{ error}=\dfrac{2.75}{28.35}\times100$

i.e. $\%\text{ error}=9.70017636684\approx9.70\%$

Hence, the percentage of error on the basis of the desired quantity.= 9.70%

5 0

2 years ago