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Degger [83]
2 years ago
13

Help please on these thanks

Mathematics
2 answers:
iogann1982 [59]2 years ago
8 0
Would you kindly ask your teacher
tia_tia [17]2 years ago
3 0
1. i cant see it 2. g=68 h=112 3. i=111 j=69 4. m=37 k=37 l=143
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I need to do this problem by completing the square . help please
sukhopar [10]

Answer:

the roots are n = 1 + √15 and n = 1 - √15

Step-by-step explanation:

In this case I would immediately rewrite n² - 2n - 5 = 10 as

n² - 2n                  = 10 + 5 = 15.

To complete the square:  Identify the coefficient of n (it is -2). Halve that, obtaining -1, square this result, and then add the outcome (1) to and subtract the outcome (1) to n² - 2n:

n² - 2n  <em>+ 1 - 1   </em>             = 15

Next, rewrite n² - 2n  + 1 as the square of a binomial:

(n - 1)² = 15

Finally, take the square root of both sides:

n - 1 = ±√15

so that the roots are n = 1 + √15 and n = 1 - √15

8 0
3 years ago
What's the domain (-2,6),(-5,-11),(3,7),(-5,0)
kodGreya [7K]

The domain is all the x values (range is y values). Remember to put the x values in numerical order.

So: Domain = {-5, -5, -2, 3}.

3 0
3 years ago
Read 2 more answers
Find the value of x for which / || m
Tresset [83]

Answer:

Step-by-step explanation:

7 0
2 years ago
`What is the maximum number of squares that could be formed using four of the dots in the unit grid as vertices. 5x5 grid
Dmitry_Shevchenko [17]

Answer:

my answer would be 25

Step-by-step explanation:

4 0
3 years ago
Read 2 more answers
Angle mIJK=180, angle mIJU = 3x-7, and angle mUJK=17x + 7 find angle mIJU
Andrej [43]

Answer:

The measure of angle IJU is 20 degrees.

Step-by-step explanation:

In order to find that, we need to add the two angles together and set equal to 180 degrees. Then we can solve for x.

(3x - 7) + (17x + 7) = 180 ----> Combine like terms

20x = 180 -----> Divide by 20

x = 9

Now that we have this, we can stick the value into the equation and solve for IJU.

IJU = 3x - 7

IJU = 3(9) - 7

IJU = 27 - 7

IJU = 20

3 0
3 years ago
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