3 years ago

What is the proper equation (-5cd^-4)(2cd^2)^2

Mathematics

1 answer:

mojhsa [17]3 years ago

7 0

Answer:

-20c^3

Step-by-step explanation:

((−5c)(d−4))((2cd2)2)

= −20c3d4 /d4

=-20c^3

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What is the annual compound interest rate for an investment account modeled by the function y=12⋅1.18t ?

NikAS [45]

Answer:

The interest rate for the given investment is 18%.

Step-by-step explanation:

We are given that,

The function representing the investment model is, $y=12(1.18)^t$ .

It is required to find the interest rate for the investment.

Since, the function can be re-written as,

$y=12(1.18)^t$

i.e. $y=12(1+0.18)^t$

So, on comparing with the formula for compound interest i.e. $A=P(1+r)^t$ , where 'r' is the interest rate.

We have that,

The interest rate for the given investment is 0.18 i.e. 18%.

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2 years ago

You deposit $200 in an account earning 3.5% simple interest. How many years will it take for the balance of the account to be $2

sweet [91]

I = PRT

21 = 200 * 0.035 * T

21 = 7T

3 years = T

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3 years ago

8.02 x 10^-2 in standard form

k0ka [10]

8.02 x 10^-2 = 8.02 * 0.01 = 0.0802 <span>in standard form</span>

6 0

2 years ago

Read 2 more answers

Abigail has $356 in her bank account. She earns simple interest on her money at a rate of 3% per year for a total of five years.

ch4aika [34]

Answer:

A. 409.4

Step-by-step explanation:

3%=10.68

10.68*5=53.4

53.4+356=409.4

3 0

3 years ago

The difference of the squares of two positive consecutive even integers is 84. Find the integers.

ziro4ka [17]

Answer:

The two integers are 20 and 22.

Step-by-step explanation:

Let x be the first integer.

$(x+2)^{2}-x^{2} = 84\\x^{2} +4x+4-x^{2} = 84\\4x = 80\\x = 20$

3 0

2 years ago