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4 years ago

Please help me, ASAP! Algebraic equation needed.

1 answer:

7 0

6 × 10 = 60$ per 6 pounds
14 × 8 = 112$ per 14 pounds

you'll get 20 pounds of the candy mixture and will cost 172

172/20
8.6$ per pound

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21 more than a number

Kobotan [32]

Answer:

N+21

Step-by-step explanation:

7 0

3 years ago

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You deposited $800 into an account paying 4.5% interest compounded continuously. A. How much would be in the account in 5 years?

elena55 [62]

Answer:

Step-by-step explanation:

The formula for continuously compounded interest is

A = P x e (r x t)

Where

A represents the future value of the investment after t years.

P represents the present value or initial amount invested

r represents the interest rate

t represents the time in years for which the investment was made.

A) From the information given,

P = $800

r = 4.5% = 4.5/100 = 0.045

t = 5 years

Therefore,

A = 800 x e^(0.045 x 5)

A = 800 x e^(0.225)

A = $1002

B) For it to double,

A = 2 × 800 = 1600

Therefore,

1600 = 800 x e^(0.045 x t)

1600/800 = e^(0.045t)

2 = e^(0.045t)

Taking ln of both sides, it becomes

Ln2 = 0.045t

0.693 = 0.045t

t = 0.693/0.045

t = 15.4 years

8 0

3 years ago

Why is it helpful to estimate quotients? Explain

Olegator [25]

Answer:

Estimation is important because It is used to determine how reasonable a quotient is, as well as making sure its within reasonable range.

7 0

4 years ago

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Select the correct answer.

Fudgin [204]

A) an answer that cannot be written as a fraction.

6 0

3 years ago

Figure ABCD is graphed on a coordinate plane.

Phoenix [80]

1. BC is 1+3=4 (units)

2. AD is 3+5= 8 (units)

3. Draw the altitude CH from point C, as shown in the figure.

4. Then triangle CHD is a right triangle, with hypothenuse CD, and sides HD and CH.

5. $CD^2=HD^2+CH^2$

$CD^2=2^2+4^2=4+16=20$

$CD= \sqrt{20}= \sqrt{4*5}= \sqrt{4} * \sqrt{5}=2 \sqrt{5}= 4.47$

6. AB=CD=4.47 because the trapezoid is isosceles.

7. P= BC+AD+AB+CD=4+8+4.47+4.47=20.9 (units)

3 0

4 years ago

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