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SVETLANKA909090 [29]
3 years ago
5

Please help me asap

Mathematics
1 answer:
Darya [45]3 years ago
8 0
L = rc 
= 26.9 * 9*3.14 / 5
 =  152.04 to nearest 1/100

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The office manager of First Tech Support borrowed $25,000 to purchase new computers for employees. The bank charges 6 percent in
Travka [436]

Given:

Amount borrowed (P)= $25000

Rate of interest (r)= 6%

Time (t)= 4 years.

To find:

The total interest the company pay in all.

Solution:

We know that,

A=P(1+r)^t

where, A is amount, P is principal, r is rate of interest and t is time period.

A=25000(1+\dfrac{6}{100})^4

A=25000(1.06)^4

A=25000(1.26247696)

A=31561.924


Now,

I=A-P

I=31561.924-25000

I=6561.924

Therefore, the total interest is $6561.924.

7 0
3 years ago
Damien Smart is trying to decide whether to lease or purchase a new car costing $18,000. If he leases, he’ll have to pay a $600
gizmo_the_mogwai [7]
the\ lease:\\\\ \$450\cdot36(payments)- \$600(security)=\$16,200-\$600=\$15,600 \\\\ the\ purchase:\\\\down\ payments+payments+sales\ tax- residual\ value= \\\\=\$2,400+\$515\cdot36+\$1,080-\$6,500=\$2.400+\$18,540-\$5420=\\\\=\$15,520\\\\\$15,520
6 0
3 years ago
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An item is regularly priced at 25. It is on sale for 80% off the regular price. What is the sale price?
Burka [1]

<u>answer</u>:

sale price: $5

<u>explanation</u>:

total price is always 100%

sale price is 80% off,

sale price: 100% - 80% = 20%

<u>solve</u>:

→ 20% * $25

→ $5

7 0
2 years ago
Read 2 more answers
Please help with this AP Calculus question !
melomori [17]

Answer:

C.  \displaystyle \frac{cos(x)}{x} - ln(x)sin(x)

General Formulas and Concepts:

<u>Calculus</u>

Differentiation

  • Derivatives
  • Derivative Notation

Derivative Rule [Product Rule]:                                                                             \displaystyle \frac{d}{dx} [f(x)g(x)]=f'(x)g(x) + g'(x)f(x)

Trig Derivatives

Logarithmic Derivatives

Step-by-step explanation:

<u>Step 1: Define</u>

<em>Identify</em>

\displaystyle f(x) = ln(x)cos(x)

<u>Step 2: Differentiate</u>

  1. Derivative Rule [Product Rule]:                                                                     \displaystyle f'(x) = \frac{d}{dx}[ln(x)]cos(x) + ln(x)\frac{d}{dx}[cos(x)]
  2. Logarithmic Derivative:                                                                                 \displaystyle f'(x) = \frac{1}{x}cos(x) + ln(x)\frac{d}{dx}[cos(x)]
  3. Trig Derivative:                                                                                             \displaystyle f'(x) = \frac{1}{x}cos(x) + ln(x)[-sin(x)]
  4. Simplify:                                                                                                         \displaystyle f'(x) = \frac{cos(x)}{x} - ln(x)sin(x)

Topic: AP Calculus AB/BC (Calculus I/I + II)

Unit: Differentiation

Book: College Calculus 10e

7 0
3 years ago
(¡¡Please help!!)
Gnoma [55]

Answer:

Step-by-step explanation:

D is the answer

7 0
3 years ago
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