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andriy [413]
3 years ago
13

Colette is on a canoe trip. Her team paddles the canoe at a constant rate of 3 km/h and they portage at a

Mathematics
1 answer:
Gennadij [26K]3 years ago
8 0

Answer:

d

Step-by-step explanation:

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What is the multiplicative inverse of -27 and what is the multiplicative inverse for 7/9 and -9/16
liberstina [14]

The multiplicative inverse of a number is the number when you multiply it, it gives you the product of 1.

So for - 27, what number will give us 1 when we multiply it by -27

-27 * -1/27 = 1

So the multiplicative inverse of -27 = -1/27

7/9 * 9/7 = 1

-9/16 * -16/9 = 1

So in essence, just take the number and flip it

-27 = -1 / 27

7/9 = 9/7

-9/16 = -16/9

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miv72 [106K]
The answer would be 4 divided by 2/3 = 6 tiles
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0=x2+4x-5 using zero product property
Elenna [48]

Answer:

x=1,-5x=1,−5

Step-by-step explanation:

0=(x−1)(x+5)

2 Switch sides.

(x-1)(x+5)=0(x−1)(x+5)=0

3 Solve for xx.

x=1,-5x=1,−5

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3 years ago
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An electric company charges a certain rate per kilowatt-hour (kWh) of electricity used and an administrative fee of $3.50. The c
Triss [41]

Answer:

Variable r represents the slope of the equation.

Step-by-step explanation:

Given that the administrative fees that company charge is $3.50.

Also, the Zhao has a bill of $63.25.

The equation used by Zhao is

63.25=r(800)+3.50

We can compare the equation of a line in the slope-intercept form.

y=mx+c

We can see the y-intercept is $3.50 that is a fixed cost. And the company charged $63.25 that is the dependent variable.

Also, variable r that is the rate per kilowatt-hour (kWh) represents the slope of the equation.

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