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FrozenT [24]
3 years ago
13

Are these following equations linear?

Mathematics
1 answer:
Nimfa-mama [501]3 years ago
8 0

Answer:

y=3x-5 is a linear equation

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Amanda deposited 4000 into an account with 3.7% interest, compounded quarterly. Assuming that no withdrawals are made, how much
kondor19780726 [428]

Interest on interest, or compound interest, is the adding of interest to the principal sum of a loan or deposit. The amount that will be in Amanda's account after a period of 8 years is $5,370.57.

<h3>What is compound interest?</h3>

Interest on interest, or compound interest, is the adding of interest to the principal sum of a loan or deposit. It's the outcome of reinvesting interest rather than paying it out so that interest is received on the principal plus previously collected interest in the next quarter.,

The formula for compound interest is written as,

A = P(1+\dfrac{r}{n})^{n \times t}

A is the final amount

P is the principal amount

r is the rate of interest

n is the number of times the money is compounded in a year

t is the number of years

Given the following details about the account that Amanda owns,

The Principal amount, P is $4000; the rate of interest (r) is 3.7%; the amount is compounded quarterly, therefore, n=4. Also, the amount is invested for a period of 8 years. Thus, the amount in the account after 8 years will be,

A = P(1+\dfrac{r}{n})^{n \times t}\\\\A= \$4,000  \times (1+\dfrac{0.037}{4})^{4 \times 8}\\\\A = \$5,370.57

Hence, the amount that will be in Amanda's account after a period of 8 years is $5,370.57.

Learn more about Compound Interest:

brainly.com/question/25857212

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5 0
2 years ago
The test to detect the presence of a liver disorder is 98% accurate for a person who has the disease and 97% accurate for a pers
tester [92]
The probability tests to detect a liver disorder:
P (presence)= 0.98 (true)  0.02 (false)
P (absence)= 0.97 (true)  0.03 (false)

P(have disorder from the population)=0.035
P(do not have disorder from the population)= 0.965

To test positive:
P[have disorder and true from P(presence)] + P[do not have disorder and false from P(absence)]

=0.035*0.98+0.965*0.03= 0.06325

The answer is<span> 0.06325 </span>
7 0
3 years ago
Mhm help please! quarantine got me
Karolina [17]
The answer would be 9.4
3 0
3 years ago
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Suppose that y varies inversely with x. Use the information to find k, and then choose the equation of variation. x = 2 when y =
Sergeeva-Olga [200]

Answer:

y = \frac{22}{x}

Step-by-step explanation:

given that y varies inversely with x then the equation relating them is

y = \frac{k}{x} ← k is the constant of variation

To find k use the condition x = 2 when y = 11

k = yx = 11 × 2 = 22

y = \frac{22}{x} ← equation of variation

4 0
3 years ago
Read 2 more answers
Hey, help me with this pls i only have 10 minutes. 30 points each :)
vlada-n [284]

Answer:

y=-2x

Step-by-step explanation:

First you want to remember rise over run. Your rise is -2 and your run is 1. So -2/1 is your answer. And -2/1 is equal to -2.

7 0
3 years ago
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