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nadya68 [22]
3 years ago
12

Một cửa hàng bán một bang ủi điện được lãi 20% theo giá bán. Hỏi người đó được lãi bao nhiêu phần trăm theo giá vốn?

Mathematics
1 answer:
Tems11 [23]3 years ago
8 0

Answer:

a welding torch requires 4122.8L of ethylene gas at 0.64 atm

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9 friend catches the bus into town.the total cost is 31.05.how much does it cpst for one person
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I think the answer is 3.45$ for one person.
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Select the correct answer. Every dimension of a triangular pyramid is multiplied by 10 to produce a new figure that is geometric
BaLLatris [955]

Answer:

  • C. The surface area of the pyramid is multiplied by 100

Step-by-step explanation:

The area is the function of the two dimensions.

If each dimension has changed by 10 times, the the area will change by:

  • 10*10 = 100 times

Correct choice is C

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Find the product of (3^6)(3)(3^5) Express your answer using exponents
VikaD [51]

Answer:

3^12

Step-by-step explanation:

When multiplying the same number with different exponents you have to add the the exponents. For example:

a^x + a^y = a ^{x+y}

So (3^6)(3)(3^5) or (3^6)(3^1)(3^5) = 3^(6+1+5) = 3^12

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3 years ago
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Amber recorded the prices of candy, based on weight, from two different stores in the table and graph below.
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B if u divide the price by the pound at any point on the graph and in the chart, carmines is less
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2 years ago
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First using point slope form, write the equation of the line in slope-intercept form
faltersainse [42]

Answer:

y = \frac{2}{3} x - 8

Step-by-step explanation:

The equation of a line in slope- intercept form is

y = mx + c ( m is the slope and c the y- intercept )

y = - \frac{3}{2} x - 1 ← is in slope- intercept form

with slope m = - \frac{3}{2}

Given a line with slope m then the slope of a line perpendicular to it is

m_{perpendicular} = - \frac{1}{m} = - \frac{1}{-\frac{3}{2} } = \frac{2}{3}

The equation of a line in point- slope form is

y - b = m(x - a)

where m is the slope and (a, b) a point on the line

Here m = \frac{2}{3} and (a, b) = (9, - 2), thus

y - (- 2) = \frac{2}{3}(x - 9), that is

y + 2 = \frac{2}{3}(x - 9) ← in point- slope form

Distribute right side and rearrange

y + 2 = \frac{2}{3} x - 6 ( subtract 2 from both sides )

y = \frac{2}{3} x - 8 ← in slope- intercept form

3 0
3 years ago
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