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3 years ago

5

What is the total amount that Matthew's bank will receive after lending him $8,000 for four years at an interest rate of 6 perce

nt, compounded annually?

1 answer:

xxMikexx [17]3 years ago

5 0

480/year. That's the correct math

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2/3 plus negative 1/3

vovikov84 [41]

2/3 + (-1/3) = 2/3 - 1/3 = 1/3

3 0

3 years ago

Evaluate the expression below when x = -1.<br><br> 2x∧2 − 5<br> ______<br> x + 9

kicyunya [14]

If x= -1

so.
2(-1)^2-5 / (-1 +9)
=-3/8
=-0.375

6 0

3 years ago

Given that cos(30°) = cos(45°)cos(15°) + sin(45°)sin(15°), it follows that cos(30°) =

mario62 [17]

Answer:

$cos(30\°) = cos(45\°-15\°)$

Step-by-step explanation:

To solve this problem you must know the formula of subtraction of angles for the function cosx.

The formula is:

$cos(h-d) = cos(h)cos(d) + sin(h)sin(d)$

We can write 30° as: 45° - 15°

Then:

$cos(30\°) = cos(45\°-15\°)$

Using the formula for subtraction of angles we have:

$cos(45\°-15\°) = cos(45\°)cos(15\°) + sin(45\°)sin(15\°)$

Notice that we have achieved the expression shown in the statement

Finally:

$cos(30\°) = cos(45\°-15\°)$

8 0

3 years ago

Read 2 more answers

Sam buys 3 pounds of apples for $6. What is the unit rate?

olganol [36]

Answer: 1 pound per $2

Step-by-step explanation:

Imagine this problem as a ratio:

Pounds : Dollars

3 : 6

To simplify this ratio, we see that a common divisor(in fact the only common divisor) is 3.

3/3 : 6/3

1 : 2

Therefore, we get 1 pound per $2

5 0

2 years ago

PLEASE HELP ME THIS IS DUE BY 1 P.M AND I REALLY NEED HELP

irga5000 [103]

It is not factored completely because it was only factored by 3ab but it could have been factored by 6a²b

6a²b(a+6+8a²)

5 0

3 years ago