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VladimirAG [237]
3 years ago
7

The cost of renting a canoe to use on River Y costs $35. The cost of renting a canoe to use on River Z costs $5 per hour plus a

510 deposit. The total cost, c, of
renting a cance on the river for n hours can be represented by an equation White and graph a system to find how many hours you have to rent a canoe for the
renting to be the same on both rivers
below
Mathematics
1 answer:
jasenka [17]3 years ago
4 0

Answer: dang how do we have the same question

Step-by-step explanation:

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The price of a sandwich decreases from $6 to $4. What is the percent decrease in the price of the sandwich?
Anettt [7]

Answer:

33.33%

Step-by-step explanation:

Decrease in price= Original price -- New price

= $6 - $4

= $2

Percentage decrease= $2÷$6 × 100

= 33.33%

7 0
3 years ago
Homework help due today!!
SSSSS [86.1K]

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It's not iscolses or equal length

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Vladimir [108]

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How do you write an equation from a line of best fit on a graph?
marshall27 [118]

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find y intercept and slope

Step-by-step explanation:

8 0
3 years ago
If for two non-zero vectors a,b : ∣a+b∣=∣a−b∣ then angle between them is:______a. 0b. 45c. 60d. 90
Eddi Din [679]

Answer:

90^\circ

Step-by-step explanation:

Given two non zero vectors, \vec a, \vec b.

Let the angle between the two vectors = \theta

Given that:

|\vec a+\vec b|=|\vec a-\vec b|

Let us have a look at the formula for magnitude of addition of two vectors:

|\vec x+\vec y|=\sqrt{x^2+y^2+2xycos\theta}

Where \theta is the angle between the two vectors.

formula for magnitude of subtraction of two vectors:

|\vec x-\vec y|=\sqrt{x^2+y^2-2xycos\theta}

As per the given condition:

\sqrt{a^2+b^2+2abcos\theta}=\sqrt{a^2+b^2-2abcos\theta}

Squaring both sides:

a^2+b^2+2abcos\theta=a^2+b^2-2abcos\theta\\\Rightarrow 2abcos\theta=-2abcos\theta\\\Rightarrow cos\theta = -cos\theta\\\Rightarrow 2cos\theta = 0\\\Rightarrow cos\theta = 0\\\Rightarrow \theta = 90^\circ

So, the angle between the two vectors is: 90^\circ

7 0
3 years ago
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