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Kamila [148]
2 years ago
8

Last year, Nancy bought a mountain bike for $570. Her bike has depreciated since she bought it. It is now worth $410. What perce

nt did the value of Nancy’s bike depreciate over the past year? Round the the nearest whole percent.
Mathematics
1 answer:
Inessa05 [86]2 years ago
5 0
It’s worth about 72% of the original value so about a 28% depreciation over the year
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In a test (+5) marks are given for every correct answer and (-2) marks are given for every incorrect answer. Smitha answered all
Ymorist [56]

Answer:

15 answers

Step-by-step explanation:

To solve this question we need to set up an equation.

Let's name the number of incorrect answers x.

<u>We can set up an equation that's essentially:</u>

(Points for correct answer)*(number of correct answers)+(points for incorrect answer)*(number of incorrect answers)=final score

When we plug in our numbers and variables it looks like this:

5(3)+(-2x)=-15

Simplify

15-2x=-15

Subtract 15 from both sides

-2x=-30

Divide both sides by -2

x=15

This means Smitha attempted 15 wrong answers, and that there were 18 questions in total.

6 0
1 year ago
Please help! will give brainliest:)
Lorico [155]
Answer

1) x = 8

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3) x = -1/2y + -3/4z + -1/2

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2 years ago
At time t=0, water begins to drip out of a pipe into an empty bucket. After 56 minutes, 8 inches of water is in the bucket. what
Sergio [31]

Answer:

W = (1/7) t

Step-by-step explanation:

At t = 0, W  =  0

At t = 56 minutes , W = 8 inches

W = k*t    The y intercept = 0 because t = 0 W = 0

8 inches = k * 56 minutes

k = 8 / 56

k = 1/7 inches / minute

W = (1/7) t

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3 years ago
Geometry pls help! im<br> beggingggg!
Fantom [35]

Answer: D; B

Step-by-step explanation: 1 and 4 are alternate exterior angles if you use process of elimination, all the other pairs are, alternate exterior, corresponding or same side interior angles. angles 1 and 4 are in between lines a and b when lines a and b have the transversal of c. with process of elimination, c is the only logical answer, as 1 and 4 both lie on that line. which leaves you with two answers. if you draw out lines a and b with a transversal of c and the lines b and e with the transversal of c, then B is the only logical answer. goodluck :) i just finished this unit :D

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2 years ago
-72 = -8(11 + s)<br> what value of s is a solution to this equation ?
atroni [7]
The value of s would be -2

So -2=s
4 0
2 years ago
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