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enot [183]
3 years ago
10

-3 4 × -1 2 hgfhtdfhhffff

Mathematics
1 answer:
Anon25 [30]3 years ago
6 0

Answer:

4

Step-by-step explanation:

4, because all you have to do is calculate the amount of hours of sleep and divide by 2. 8 divided by 2

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What survival rate in the 10th year would make the average of loss over the 10 year period equal to 38.0%
Marat540 [252]

Answer: 63%

Step-by-step explanation:

<u>First step</u>

Find the 10th year rate of loss that will make the average of loss over the 10 years to equal 38.0%.

Assume this rate is x;

\frac{(36.2 + 29.0 + 46.2 + 37.5 + 40.9 + 40.0 + 32.6 + 40.5 + 40.1 + x)}{10} = 38.0\\\\\frac{343 + x}{10}  = 38\\\\x  = 380 - 343\\\\x = 37

x = 37%

<u>Second step - Survival rate</u>

The survival rate is calculated by;

= 1 - rate of loss

= 1 - 37%

= 63%

7 0
2 years ago
Ciao i am going into highschool next year and i was wondering does any one have tips
-BARSIC- [3]

Answer:

pay attention and do what your supposed to do and you'll be fine also dont pick the wrong group of friends.

Step-by-step explanation:

please mark brainliest... <3

5 0
3 years ago
(x + y , x - y) = (4 , 2)​
Naddika [18.5K]

Step-by-step explanation:

(x + y , x - y) = (4 , 2)

x+y=4 ------(1)

x-y=2 ------(2)

_____ (adding two equation)

2x=6

x=3

From equation 1

3+y=4

y=1

6 0
2 years ago
Determine the end behavior of the polynomial function. f(x)=-3x^4-2x^3+2x^2+ 3x +5 a) falls to the left and rises to the right b
Molodets [167]

Answer:

Option b is correct

Step-by-step explanation:

In order to check the end behavior of a  polynomial function we   just check the leading term and its coefficient and the procedure is as  follows:

Here we can see that highest exponent of the polynomial function is 4

therefore degree of the polynomial is 4. and therefore  -3x^4 is leading term.  

because of even degree it will be same from both ends that is either both sides rises or both sides falls. Since number in the front of  leading is negative therefore it falls at both ends. that is  falls to  the left and falls to the right.

therefore option b is correct.

8 0
3 years ago
WaSsUpDuD Answer quickly!!!! What’s 4+6+7+2+9+2+9+3??
Vinvika [58]

Answer:

42

Step-by-step explanation:

4+6 = 10

10+7 = 17

17+2 = 19

19+9 = 28

28+2 = 30

30+9 = 39

39+3 = 42

3 0
3 years ago
Read 2 more answers
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