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Alex787 [66]
3 years ago
13

Ryan loves collecting keychains from his family vacations. He currently has 15 keychains in his collection and wants to add 5 ke

ychains each year. How many keychains will be in his collection in 18 years?
Mathematics
2 answers:
aksik [14]3 years ago
7 0

Answer:

rhtwjeukeyn3um3neh kedagjehkehjfq wy

Step-by-step explanation:

Cnameumag ga nhsntw ts at Arby's at ta ag fa at wy

pychu [463]3 years ago
5 0
Here you go, hope it helps

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Expand and simplify (x+3)(x-4)
Vinvika [58]

Answer:

the following term =

x { }^{2}  - x - 12

Step-by-step explanation:

here's the explanation in attached image.

i hope it helped

4 0
3 years ago
Read 2 more answers
1 point
stepan [7]

Answer:

y = 250x

Step-by-step explanation:

<em>The options are not given; however, the question can still be answered.</em>

Given

Direct Proportion:

In 20 minutes, y = 250 bottles

Required

Determine the graph

<em>In the first 20 minutes, y = 250</em>

<em>In the next 20 minutes, y = 250 + 250 = 500</em>

<em>In the next 20 minutes, y = 500 + 250 = 750</em>

<em />

This gives a arithmetic sequence:

250, 500, 750, ........

Next, is to determine the equation of the sequence using;

T_n = a + (n - 1)d

In this case;

T_n = y

x = n

a = 250

d = 750 - 500 = 500 - 250 = 250

Substitute these values in the above formula;

y = 250 + (x - 1) * 250

Open Bracket

y = 250 + 250x - 250

Collect Like Terms

y = 250x + 250 - 250

y = 250x

Hence; the graph that shows the given description is the graph with equation y = 250x

4 0
3 years ago
Answer plz I will correct answer as brainliest
Karo-lina-s [1.5K]
X is equal to 30 (vertically opposite angles)

y=180-50
=130 degrees (angles in a straight line equal to 180)

z=180-130-30 (angle sum of a triangle equal to 180)
z=20 degrees
6 0
2 years ago
Yvette invests $300 each quarter in a fixed-interest mutual fund paying annual
liraira [26]

Answer:

Step-by-step explanation:

The formula for  calculating the amount after t years is expressed as;

A = P(1+r/n)*nt

P is the Principal (amount invested) = $300

r is the rate = 7% = 0.07

t is the time used to save = 11 years

n is time of compounding = 1/4 (quarterly)

Substitute;

A = 300 (1+0.07/(1/4))^(1/4)(11)

A = 300(1+4(0.07))^2.75

A = 300(1+0.28)^2.75

A = 300(1.28)^2.75

A = 300(1.9716)

A = 591.49

Hence the amount that will be in her account after 11 years is $591.49

4 0
3 years ago
In the video, the water level was 15 milliliters before adding the chain, and 20 milliliters after adding the chain. When I weig
BartSMP [9]
345 g / ml I hope this helps you !
6 0
3 years ago
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