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Karo-lina-s [1.5K]
3 years ago
11

Which of the following is a quadratic?

Mathematics
1 answer:
irina1246 [14]3 years ago
6 0
Number 3 i would say i think it is
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What is the value of x?
Anna11 [10]

Answer:

x=23

Step-by-step explanation:

The first triangle has two sides that are the same, therefore the two bottom angles are the same as well, so the two bottom angles equal to 56 degrees of the total 180 degrees that a triangle should have. That leaves the last angle to be 124 degrees.

Now what you do is subtract 9 from 124 to get 115

Lastly divide 115 by 5 to get 23.

:)

3 0
3 years ago
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Simplify -0.5i - i.<br> Enter your answer in the box.<br> help asap please
leonid [27]
The answer would be -1.5i
6 0
2 years ago
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Please help me with this math question, It's worth 30 points for whoever want's to answer.
swat32

Answer:

hello I can help you in this

8 0
3 years ago
I need help please.
GuDViN [60]

Answer:

The factors of 2q²-5pq-2q+5p are (2q-5p) (q-1)....

Step-by-step explanation:

The given expression is:

2q²-5pq-2q+5p

Make a pair of first two terms and last two terms:

(2q²-5pq) - (2q-5p)

Now factor out the common factor from each group.

Note that there is no common factor in second group. So we will take 1 as a common factor.

q(2q-5p) -1(2q-5p)

Now factor the polynomial by factoring out the G.C.F, 2q-5p

(2q-5p) (q-1)

Thus the factors of 2q²-5pq-2q+5p are (2q-5p) (q-1)....

4 0
3 years ago
The perimeter of a square is 20. Find the length of the diagonal
klemol [59]

Answer:

d≈7.07

Step-by-step explanation:

Using the formulas

P=4a

d= \sqrt{2} a

Solving ford  

d= \sqrt{2} P/4=2·20 /4≈7.07107

8 0
3 years ago
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