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stiv31 [10]
3 years ago
5

Y(y + 4) - y 2 = 6 is a quadratic equation. True or False

Mathematics
2 answers:
Maksim231197 [3]3 years ago
6 0
FALSE,\ because:\\\\y(y+4)-y^2=6\\\\y^2+4y-y^2=6\\\\4y=6
Ugo [173]3 years ago
3 0
Y(y + 4) - y2 = 6
y2 + 4y - y2 = 6
4y = 6 ⇒ False
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Use inductive reasoning to find the next two terms in the sequence:
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25, and 12.5... it is dividing by a half each time, so half of 50 is 25 and half of 25 is 12.5, hope this helps!
3 0
3 years ago
Simplify 3 ∙ 2x. What is the coefficient?
matrenka [14]
<span>3 ∙ 2x = 6x
so </span><span>coefficient = 6
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5 0
4 years ago
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How many hours would someone who earns $6.25 per hour have to work to earn $225.65?
AURORKA [14]
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3 0
3 years ago
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Caleb has an offer from a credit card issuer for 0% APR for the first 30 days and 17.68%
svetlana [45]

Solution:- Answer is 19.33%

Annual percentage rate (APR) is the yearly rate for a price which have to pay for borrowing money through credit card.

Here Caleb has an offer from a credit card issue for i=0% APR for the first 30 days.

now, effective interest rate for n= 30 days  

=r=(1+\frac{i}{n} )^n-1\\\Rightarrow\ r=(1+\frac{0}{30} )^{30}-1\\\Rightarrow\ r=(1+0)^{30}-1=1-1=0

After 30 days APR =17.68%=0.1768

n=365-30=335 days

now the effective interest rate for n=335 days

=r=(1+\frac{i}{n} )^n-1\\\Rightarrow\ r=(1+\frac{0.1789}{335} )^{335}-1\\\Rightarrow\ r=(1+0.000527)^{335}-1=(1.000527)^{335}-1=1.1933-1=0.1933

=19.33%

So the effective interest rate for 365 days =0+19.33% =19.33%

So fourth option is correct.

6 0
4 years ago
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What is tan 30°?<br> 60'<br> 2<br> 1<br> 90<br> 30"
Lemur [1.5K]

Answer:

Option F. 1/√3

Step-by-step explanation:

From the question given above, the following data were obtained:

Angle θ = 30°

Opposite = 1

Adjacent = √3

The value of Tan 30° can be obtained as illustrated below:

Tan θ = Opposite / Adjacent

Tan 30 = 1/√3

Thus, the value of Tan 30° is 1/√3

8 0
3 years ago
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