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Lilit [14]
3 years ago
7

What are the different types of polygons need it for my primary school sis​

Mathematics
1 answer:
shusha [124]3 years ago
8 0

Answer:

Regular Polygons.

Irregular Polygons.

Concave Polygons.

Convex Polygons.

Trigons.

Quadrilateral Polygons.

Pentagon Polygons.

Hexagon Polygons.

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Write the equation of a line that passes through (1,9) and has a slope of -3, please!
QveST [7]

Answer:

y = -3x + 12

Step-by-step explanation:

<u><em>Very similar to the other question i answered, by here's a step by step anyway in case you find it helpful : )</em></u>

There are lots of different methods to do these types of questions, but this is the way i like to do it.

Coordinate (x1, y1) : (1, 9) and Gradient (m): -3

Start with this generic equation:

y- y1 = m(x-x1)

Substitute in the values they have given you:

y - (9) = -3(x-1)

This becomes:

y -9 = -3x +3

Keep solving by moving the 10 over to the other side:

y = -3x + 3 +9

y = -3x + 12

An easy way to double check:

1) the coefficient of x is the slope. We got -3x, and the slope is -3, so that's correct.

2) Substitute x=1 into the equation, and we get 9, which is the exact coordinate that they gave us. This is also right.

Hope this helped : )

7 0
4 years ago
Which phrase represents the algebraic expression StartFraction 3 p + 6 Over 7 p minus 9 End Fraction?
Anarel [89]

Answer:

Step-by-step explanation:

(3p+6)/(7p-9)

4 0
3 years ago
Choose SSS, SAS, or neither to compare
yulyashka [42]

Answer:

SSS

Step-by-step explanation:

All sides are equal by SSS......

8 0
3 years ago
Read 2 more answers
Factor the quadratic expression to reveal the zeroes of the function it defines
Kazeer [188]

Answer:

Below.

Step-by-step explanation:

This factors to the product of 2 binomials like (x + a)(x + b), where a and b are 2 numbers.

40 = 4 * 10 and 14 = 4 + 10 so the answer is

(x + 4)(x + 10).

If we expand this we will get back to the quadratic expression:

(x + 4)(x + 10)

= x(x + 10) + 4(x + 10)

= x^2 + 10x + 4x + 40

= x^2 + 14x + 40.

4 0
3 years ago
Help me pls, it’s for right now
Hitman42 [59]

Answer:

c

Step-by-step explanation:

5 0
3 years ago
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