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Ber [7]
3 years ago
13

The line m has a slope of a/b , where a and b are integers. What is the slope of a line that is perpendicular to line m ?

Mathematics
1 answer:
Aleks04 [339]3 years ago
6 0

Answer:

The slope of the perpendicular line is -b/a

Step-by-step explanation:

Perpendicular lines have slopes that multiply together to equal -1

Let the slope of the perpendicular line be p

a/b * p = -1

Multiply each side by b/a so we can isolate p

a/b * b/a * p = -1 * b/a

p = -b/a

The slope of the perpendicular line is -b/a

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70 kg

Step-by-step explanation:

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4 years ago
Franco's Pizza is selling their pizzas 35% cheaper than usual if a pizza normally cost $12 how much is it now
avanturin [10]

Answer:

New or current cost = 12 - 4.2 = $7.8

Step-by-step explanation:

Franco's Pizza is selling their pizzas 35% cheaper than usual. This is a discount on the normal cost. To get the amount it costs now, we will find the percentage of the discount on the original cost and subtract what we get from the original cost.

Discount = 35℅

Original cost of pizza is $12 (if a pizza normally cost $12).

So the discount in terms of dollars

= ℅ discount / 100 × normal cost of pizza

= 35 / 100 × 12 =0.35 × 12 = $4.2

New or current cost of pizza would be normal or original cost - the discount in dollars.

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4 0
3 years ago
The diameter of a circle is 14ft. What is the circle's area?​
galina1969 [7]

Answer:

153.95 feet²

Step-by-step explanation:

Area = pi × r²

radius= 7ft (half of diameter)

3.14 × 7 × 7= 153.95

7 0
3 years ago
Can someone please help me with the answer
pychu [463]

Answer:

x =  \frac{46}{3}

Step-by-step explanation:

A straight angle is equal to 180° degrees. Since both 9x +4 and 3x -18 is supplementary then I can make this claim below

(9x + 4 ) + (3x - 8) = 180

All we have to do now is to solve for x

(9x + 4) + (3x - 8) = 180 \\ 9x + 4+ 3x - 8 = 180 \\ 12x - 4 = 180 \\ 12x = 184 \\ x = \frac{184}{12}  \\ x =  \frac{46}{3}

6 0
3 years ago
The equation s = 180n – 360 gives the sum of the interior angles of a polygon with n sides. Josh wants to reverse the process by
vagabundo [1.1K]

Answer:

-36x5=69

Step-by-step explanation:

Because 69 is superior

4 0
3 years ago
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