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Nastasia [14]
3 years ago
7

Find the value of c that completes the square 2 + 20r + c

Mathematics
1 answer:
Morgarella [4.7K]3 years ago
7 0

Answer:

c=5

Step-by-step explanation:

5

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Which are factors of x2 – 4x – 5?
Kitty [74]

Answer:

(x-5)(x+1)

Step-by-step explanation:

Since the highest power of x is 2, u can assume the equation to be (x +/- A) (x +/- B), whereby A and B are unknowns.

Since the coefficient of X^2 is 1, and the number in the equation is - 5, the only possible values for A and B to get - 5 is either - 5 and 1 or 1 and - 5.

Since coefficient of x is - 4 and number in equation is - 5, imagine inserting those numbers in the equation and cross multiplying back. You would realise that the answer should be as listed above.

7 0
4 years ago
What is the minimum number of degrees that an equilateral triangle can be rotated before it carries onto itself?
mash [69]
Since the triangle has equal sides it will carry onto it self at 120, since it can rotate 360 grades only and it has 3 sides so it will rotate in one third of 360 so 120

i hope i helped you
7 0
3 years ago
Read 2 more answers
Emily has a road map with a key that shows an inch on the map equals 5 miles of actual distance.if a distance measured on the ma
Pie
12 * 5 is 60.
Actual distance: 60 miles.
6 0
3 years ago
In parallelogram HJKL if HM=12 find HK.<br> K<br> M<br> M<br> H<br> L
Anestetic [448]

Answer:

HK = 24

Step-by-step explanation:

HK and JL are diagonals of the parallelogram.

Recall that diagonals of a parallelogram bisect each other. This implies that, they divide each other into equal parts.

Therefore,

HK = 2(HM)

HM = 12

Thus,

HK = 2(12)

HK = 24

7 0
3 years ago
Simplify 32^-1/5 Thanks in advance!!!
jeka94

Fractional index means "xth root of". Negative index means a fraction. So together, what it really means is:

\frac{1}{\sqrt[5]{32}} = \frac{1}{2}.

3 0
3 years ago
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