3 years ago

PLS SEE ATTACHMENT! NEED HELP!!!

Mathematics

2 answers:

marta [7]3 years ago

8 0

Find it out yourself goodbye and goodnight or good morning

pshichka [43]3 years ago

6 0

Answer:idk

Step-by-step explanation:

idk

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If an individual saves $5,700 and elects to place the total dollar amount into a savings account earning 2.75% APR compounded mo

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Answer:

$7,925.53

Step-by-step explanation:

We'll have to use the compound interest formula: A = P(1 + r/n)ⁿˣ

A = final amount (?)

P = starting amount (5700)

r = rate

n = times applied (12 since its monthly and there 12 months in a year)

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3 years ago

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Step2247 [10]

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3 years ago

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Abram rode in a cab for 9 miles. The taxi driver charged $2.50 for the first z

MAVERICK [17]

Answer:

Abram payed $12.50 for the cab ride in all.

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2 years ago

PLEASE, I NEED HELP ASAP

Temka [501]

What is the question you need help on

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2 years ago

a quantity of ethanol is cooled from 47.9° C to 12.3°C and releases 3.12 KJ of heat. what is the mass of the ethanol sample?

victus00 [196]

Answer:

35.9 grams

Step-by-step explanation:

We use the formula:

$q=m*C_p*\Delta T$

Where

q is heat released

m is mass

C_p is the constant 2.44

ΔT is change in temperature

We put the info in the formula and solve for m (mass):

$q=m*C_p*\Delta T\\-3.12 = m*2.44(12.3-47.9)\\-3.12*10^3=m*(-86.864)\\m=35.9$

The mass of ethanol is 35.9 grams

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3 years ago