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vredina [299]
3 years ago
14

What is the independent variable of y=12x−2

Mathematics
1 answer:
alexdok [17]3 years ago
3 0
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Alma invests $300 in an account that compounds interest annually. After 2 years, the balance of the account is $329.49. To the n
-Dominant- [34]

Invested amount (P) = $300.

Time in years (t) = 2 years.

Balance after 2 years (A) = $329.49.

Let us assume rate of interest = r % compounds annually.

We know, formula for compound interest

A=P(1+r)^t

Plugging values in formula, we get

329.49=300(1+r)^2

\mathrm{Divide\:both\:sides\:by\:}300

\frac{300\left(1+r\right)^2}{300}=\frac{329.49}{300}

\left(1+r\right)^2=1.0983

Taking square root on both sides, we get

1+r=\sqrt{1.0983}

\mathrm{Subtract\:}1\mathrm{\:from\:both\:sides}

1+r-1=\sqrt{1.0983}-1

r=\sqrt{1.0983}-1

r=1.048-1

r=0.048.

Converting it into percentage by multiplying by 100.

r=0.048 × 100

r  = 4.8 %

Therefore, the rate of interest on the account is 4.8% compounds annually.

5 0
3 years ago
Fine The slope of the line on the graph
Brrunno [24]

Take any 2 points through which the line on graph passes,

(0,-1) =(x₁,y₁)

& (2,-4)=(x₂,y₂)

slope=(y₂-y₁)/(x₂-x₁)

=[-4-(-1)]/(2-0)

=-3/2

3 0
3 years ago
Simplify: (g^6)(g^11)
11Alexandr11 [23.1K]
Multiplying exponents with like bases is the same as adding up the exponents.
<span>(g^6)(g^11)=g^17

Hope this helps!</span>
4 0
3 years ago
Two shops, Lidal and Oldi, sell the same brand of toilet rolls but with different package sizes.
Ugo [173]

Answer:

Oldi is best value

Step-by-step explanation:

<u>Lidal</u>

8 rolls for £3.76

72 rolls for £3.76*9= £33.84

<u>Oldi</u>

9 rolls for £4.14

72 rolls for £4.14*8= £33.12

Oldi offers better price for 72 rolls

5 0
3 years ago
Simplify:2(x2 + 5) − 3(x + 1) + 3
sesenic [268]

Step-by-step explanation:

2x2 + 10 - 3x - 3 + 3

Solving like terms

2x2 - 3x + 10

Option B is the correct answer

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3 years ago
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