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Alex787 [66]
3 years ago
13

Jenna bought a bike for $200. The value of the bike decreases by 5% each year. Write an equation to model the situation.

Mathematics
2 answers:
bazaltina [42]3 years ago
8 0

I'm not sure if this is correct.

200/5x

harkovskaia [24]3 years ago
5 0

Answer:200-10x= y

Step-by-step explanation:

5%= .05 so 200*.05= $10 Per year

so the equation would look something like

200-10x= y

x= how old the bike is

y= is your answer

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Find mRT. Assume that segments that appear to be tangent are tangent.
IceJOKER [234]

Answer:

m(arc RT) = 148°

Step-by-step explanation:

From the picture attached,

Segment RT is a chord and segment RS is a tangent of a circle O meeting at R.

By the property of tangent chord angle,

"Angle formed by an intersecting tangent and chord measures half of the intercepted minor arc"

m(∠SRT) = \frac{1}{2}(\text{minor arc RT})

74^0=\frac{1}{2}m(RT)

m(\text{arc RT)}=2(74^0)

                 =148^0

Therefore, measure of minor arc RT is 148°.

7 0
3 years ago
Write a pair of integers whose difference gives. (a) a negative integer. (b) zero. (c) an integer smaller than both the integer.
chubhunter [2.5K]

Answer:

(a)5 and 8

(b)5 and 5

(c) 7 and 5

(d)6 and 2

(e)6 and -2

Step-by-step explanation:

(a)a negative integer

We consider the integers 5 and 8

Difference = 5-8 =-3

3 is a negative integer.

(b)Zero

We consider the integers 5 and 5

Difference = 5-5 =0

(c) an integer smaller than both the integer.

We consider the integers 7 and 5

Difference = 7-5 =2

2 is smaller than both integers.

(d) an integer smaller than only one of the integers.

We consider the integers 6 and 2

Difference =6-2=4

4 is smaller than only 6.

(e)an integer greater than both the integers

We consider the integers 6 and -2

Difference =6-(-2)=6+2=8

8 is greater than both 6 and -2.

5 0
3 years ago
For any linear function f(x) = mx + b, when does kf(x) = f(kx)?
iogann1982 [59]

Only when <em>b</em> = 0 or <em>k</em> = 1<em>.</em>

If <em>f(x)</em> = <em>mx</em> + <em>b</em>, then

<em>f</em> (<em>kx</em>) = <em>m</em> (<em>kx</em>) + <em>b</em> = <em>mkx</em> + <em>b</em>

while

<em>k</em> <em>f(x)</em> = <em>k</em> (<em>mx</em> + <em>b</em>) = <em>kmx</em> + <em>kb</em>

The two expression are identical only if

<em>kb</em> = <em>b</em>   ===>   <em>kb</em> - <em>b</em> = 0   ===>   <em>b</em> (<em>k</em> - 1) = 0   ===>   <em>b</em> = 0 or <em>k</em> = 1

4 0
3 years ago
He tells you that each small pizza only gets ⅛ of a pound of cheese. Sal yells for you to run to the cooler and get the exact am
sleet_krkn [62]

Answer:

2 pounds

Step-by-step explanation:

8 pizzas= 1 pound of cheese

8+8=16

16 pizzas = 2 pounds of cheese

3 0
2 years ago
MATH: EXPONENTIAL WORK PROBLEM 1. HELP PLEASE! 13 pts
Strike441 [17]

The amount of the radioactive substance is 374.6 g

<h3>How to determine the amount of radioactive substance?</h3>

The given parameters are:

  • Initial, a = 424 mg
  • Rate, r = 6%
  • Time, t = 2 hours

The amount of the radioactive substance is calculated as:

A(t) = a(1 - r)^t

This gives

A(t) = 424 * (1 - 6%)^t

At 2 hours, we have:

A(2) = 424 * (1 - 6%)^2

Evaluate

A(2) = 374.6

Hence, the amount of the radioactive substance is 374.6 g

Read more about exponential functions at:

brainly.com/question/2456547

#SPJ1

4 0
2 years ago
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