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riadik2000 [5.3K]
3 years ago
12

Maria correctly answered 16 of the 20 questions. What fraction of the questions did she answer correctly?

Mathematics
1 answer:
densk [106]3 years ago
3 0
16/20
Simplified to 8/10
Again simplified to 4/5.
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Simplify. Assume x and y are nonnegative.
AnnZ [28]

9\sqrt{56x^7y^{12}}=\\\\9\sqrt{4x^6\cdot14x \cdot (y^6)^2}=\\\\9y^6\sqrt{14x\cdot (2x^3)^2}=\\\\9y^6\cdot 2x^3\sqrt{14x}=\\\\18x^3y^6\sqrt{14x}

7 0
3 years ago
Read 2 more answers
The sum of two complementary angles is 90°. For one pair of complementary angles, the measure of the first angle is 15 less than
steposvetlana [31]

let 2nd angle = x

 then 1st angle = 2x-15

 then you have 90 = x + 2x-15

2x +x = 3x

 so now 90 = 3x-15

add 15 to each side

105=3x

x = 105/3 = 35

1st angle = 35 degrees

 2nd angle = 2(35) - 15 = 70-15 = 65


4 0
3 years ago
Read 2 more answers
I need help with 1 and 2
ratelena [41]

Answer:3


Step-by-step explanation:


4 0
4 years ago
Need help!
chubhunter [2.5K]

The correct equation is P(t) = Po*e^(kt). Please enclose "kt" inside parentheses and use the " ^ " symbol to indicate exponentiation.


"k" is the growth constant, which here is 0.017. "t" is the number of yeasrs. P(7) is the population after 7 years. Po is the initial population, which in this case is 91 million.


The initial value, when t = 0, is 91 million.


After 7 years, the population, P(7), was P(7) = (91 million)*e^(0.017*7). This evaluates to P(7) = (91 million)*(1.070) = 96 million

8 0
3 years ago
A fast food restaurant sells between 164 and 328 hamburgers per day. If the company profits $82.00 per 82 hamburgers sold, appro
Ahat [919]
The answer would be $89,790. You take 164+328. To get 492. The you divided 492 by 2. To get 246. This is the average hamburgers made in a day. The you take that time 365. to get how much money is made in a year.
3 0
4 years ago
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