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koban [17]
3 years ago
14

Simplify:32x3y2z2-8xyz 5​

Mathematics
1 answer:
amm18123 years ago
7 0

Answer: 4y2z2 • (2x + y) • (4x2 - 2xy + y2)   i think.hope it was helpful.

Step-by-step explanation:

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Identify a solution of the equation: log2x+log(x−5)=2
Harrizon [31]

Answer:

  • 3.x= 10

Step-by-step explanation:

  • log 2x + log (x - 5) = 2
  • log (2x(x - 5)) = 2
  • 2x(x - 5) = 10²
  • 2(x² - 5x) = 100
  • x² - 5x - 50 = 0
  • x² + 5x - 10x - 50 = 0
  • x(x + 5) - 10(x + 5) = 0
  • (x - 10)(x + 5) = 0
  • x = 10
  • x = -5, this root is discounted as log should be positive.

Correct choice is 3.

6 0
3 years ago
Boys to girl 11;9 there are 124 more boys what is the total number of students
Deffense [45]

(124 \div 2) \times (11 + 9) = 1240
total number of students : 1240
7 0
3 years ago
Anisha invested $8,000 in an account that earns 10% interest How much money will she have in 15 years of the interest is compoun
tamaranim1 [39]

Answer:

A = $35,198.32

Step-by-step explanation:

<em>Use the formula to calculate compound interest</em>:

A = P(1 + i)ⁿ

"A" for total amount after the time period

"P" for principal, or starting money

"i" for the interest rate in a compounding period

To calculate "i":

i = r / c

"n" for the number of compounding periods

To calculate "n":

n = tc

So, we can <u>combine the formulas</u> into:

A = P(1+\frac{r}{c})^{tc}

"c" is the compounding periods in a year. (quarterly = 4)

<u>We know</u>:

P = 8000

r = 10% / 100 = 0.1

t = 15

c = 4

<u>Substitute the information in the formula</u>.

A = P(1+\frac{r}{c})^{tc}

A = 8000(1+\frac{0.1}{4})^{15*4}      Solve "i" and "n"

A = 8000(1+0.025)^{60}        Solve inside the brackets

A = 8000(1.025)^{60}         Do the exponent before multiplying by 8000

A = 35198.318             Exact answer

A ≈ 35198.32              Round to two decimal places for money

Therefore she will have $35,198.32 after 15 years.

5 0
3 years ago
Determine if the set is the empty set. X | x &gt; 7 and x &lt; 10
sveticcg [70]

x > 7                     x < 10

7 o---------------------o 10

This is not an empty set.  x contains all of the values between 7 and 10.

3 0
3 years ago
Read 2 more answers
How do you find the original price after a discount. The sales price is 55.50 and the percent of discount is 75%.
Arte-miy333 [17]
Well first we know that 55.50 is 25% so I guess multiply it by 3 to get the full price equalling nearly 166 which is closest to 165, so that’d be my answer. Sorry if wrong.
6 0
3 years ago
Read 2 more answers
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