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Brilliant_brown [7]
3 years ago
6

2. Graph the horizontal line that goes through the

Mathematics
2 answers:
harina [27]3 years ago
7 0

Answer: y=-3

Step-by-step explanation:

andrezito [222]3 years ago
5 0
Answer is y=-3

Explanation is
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Brooklyn has a goal to save $8,000 to buy a new entertainment system. In order to meet that goal, she deposited $4,132.79 into a
densk [106]
To see how much interest she'll get after a quarter:

$4132.79 + ($4132.79 × 0.048) = $4331.16

After two quarters:
$4331.16 + ($4331.16 × 0.048) = $4359.06

You can keep going until eventually reaching $8000 then see how many quarters has passed. That's a lot of calculator work!

There's another way that uses less calculation, but more algebra. I call it the exponential formula method! There's this general formula for stuff that increases exponentially, like virus, population, and MONEY:

m= d {e}^{tc}

M is money, d is deposit, t is time taken, and c is just some unknown constant related to the interest rate. There's also the natural logarithm form of this equation, which will come in handy later:

ln( \frac{m}{d} ) = tc

Alright first we gotta find that constant c for this equation to be useful! Let's plug in stuff we know.

ln( \frac{4331.16}{4132.79} ) = (0.25)c

We know how much she'll have after one quarter (0.25 years), and we know how much she deposited initially.

After pressing some buttons on the calculator we'll find that c = 0.1875.

Great! Now we can use that formula to find how many years (t) it'll take to reach M=$8000. To save time I'm going to use the natural log form:

ln( \frac{8000}{4132.79} ) = t(0.1875)

That will give us t = 3.522 which means it'll take approximately 3.5 years for her deposit to reach $8000!
5 0
3 years ago
Read 2 more answers
2. Give the degree of x2 - 17x + 2x - 5.00
Evgen [1.6K]

Answer:

2

Step-by-step explanation:

Degree is the highest power of a term

I hope im right!

5 0
3 years ago
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Triangle 2 and triangle 3 were created by drawing an altitude in triangle 1. What is the relationship between the green highligh
Naily [24]

Answer:

Triangle 1 line segment AB and triangle 2 line segment BA correspond to each other

Step-by-step explanation:

Point b and point a don't correspond to anything else

triangle 1 and 2 are congruent my answer would be a 50/50 guess between C and D If it were me id risk it and go D but it is up to you.

4 0
3 years ago
If y=-7 when x=3 find y when x=-3
Anna007 [38]

Answer:

y= positive 7

Step-by-step explanation:

7 0
3 years ago
Read 2 more answers
I WILL MARK U BRAINLIEST PLEASEEE HELP ME WITH THIS!!!
slamgirl [31]

Answer:

this is answer

Step-by-step explanation:

Right now I don't have time. If u have doubt, send me a message. And I'll explain later.

hope it helps ☺️

6 0
3 years ago
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