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dezoksy [38]
3 years ago
11

Help please i really need help please ! i will upvote

Mathematics
1 answer:
Vladimir [108]3 years ago
5 0
Hi! What do you need help with?
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Find x using completing the square method<br> x^2+16n+28 = 0
Nezavi [6.7K]

Answer:

x=√−16n−28 or x=−√−16n−28

Step-by-step explanation:

Step 1: Add -16n to both sides.

x2+16n+28+−16n=0+−16n

x2+28=−16n

Step 2: Add -28 to both sides.

x2+28+−28=−16n+−28

x2=−16n−28

Step 3: Take square root.

x=√−16n−28 or x=−√−16n−28

8 0
3 years ago
What is the result when 8x + 3 is subtracted from -2x + 5?
Lerok [7]
First you must find x in order to solve this question, unless you do not need to find out X.
6 0
3 years ago
Convert the angle - 3 radians to degrees, rounding to the nearest 10th
dlinn [17]

Answer:

171.9 degrees.

Step-by-step explanation:

The factor is 180/π.

So 3 radians = (3*180)/π

= 171.9 degrees.

3 0
3 years ago
How many were served in 27 minutes
pshichka [43]

Answer:

Step-by-step explanation:

8/16 = 27/x

8x = 432

x = 54

7 0
2 years ago
Read 2 more answers
Simplify 3^8 x 3^4 / 3^2 x 3^8 leaving your answer in index form
Furkat [3]

Answer:

3² or 9

Step-by-step explanation:

Step 1: Add exponents

\frac{3^{12}}{3^{10}}

Step 2: Subtract exponents

You should get 3² because of exponent rules. Remember when you multiply exponents you add the powers and when you divide exponents you subtract the powers.

3 0
2 years ago
Read 2 more answers
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