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hodyreva [135]
3 years ago
9

Simply each expression only using. Use only positive exponents.

Mathematics
1 answer:
snow_lady [41]3 years ago
3 0

Answer:uwiefhgiwefkljgihrhgrwfe r3t6g4 b

Step-by-step explanation:

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Find the balance of $7,000 deposited at 4% compounded semi-annually for 2 years
Rufina [12.5K]

Answer:

The balance will be $7,577.03.

Step-by-step explanation:

The compound interest formula is given by:

A = P(1 + \frac{r}{n})^{nt}

Where A is the amount of money, P is the principal(the initial sum of money), r is the interest rate(as a decimal value), n is the number of times that interest is compounded per unit t and t is the time the money is invested or borrowed for.

In this problem, we have that:

P = 7000, r = 0.04

Semianually means twice a year, so n = 2

We want to find A when t = 2.

So

A = P(1 + \frac{r}{n})^{nt}

A = 7000(1 + \frac{0.04}{2})^{2*2}

A = 7577.03

The balance will be $7,577.03.

5 0
3 years ago
Multiply (x^2+4x+2) (2x^2+3x-4)
algol13

Answer:

(x² + 4x + 2)(2x² + 3x - 4) equals 2x⁴ + 11x³ + 12x² - 10x - 8

Step-by-step explanation:

<em>(x² + 4x + 2)(2x² + 3x - 4)</em>

Multiply each term in the first parentheses into the expression in the second parentheses.

<em>2x⁴ + 3x³ - 4x² + 8x³ + 12x² - 16x + 4x² + 6x - 8</em>

Combine like terms.

<em>2x⁴ + 11x³ + 12x² - 10x - 8</em>

So, your answer would be letter choice B.

<em />

6 0
3 years ago
Read 2 more answers
................. math help plssss ❤️❤️❤️
mojhsa [17]

Account B will cost less because

Account A will cost 0.2*20= $4

Account B will cost

0.1*20 +1.5= 2+1.5= $3.5

5 0
3 years ago
Read 2 more answers
Help this this is due today
Olegator [25]

Answer:

x=3

Step-by-step explanation:

Simplify 3(x-2)+5X

= 8x-6=18

Add 6 to both sides

8x=24

Divide by 8

x=3

7 0
2 years ago
Your class has 26 students, which represents 5% of your school's enrollment. Your friend uses the proportion 5/100 =n/26 to find
dedylja [7]
26 is a part of the whole. the proportion should be set up:

(26/x) = (5/100) It's the overall enrollment that is being asked.

If you also need to solve: Cross multiply, 26(100) = 5x, 2600 = 5x, divide both sides by 5, 520 is the enrollment
7 0
3 years ago
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