3 years ago

A. State whether each figure is a polygon

Mathematics

2 answers:

slega [8]3 years ago

6 0

All the shapes except the circle & heart are polygons

jarptica [38.1K]3 years ago

5 0

All except circle and heart

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1.) 87.743 2.)123.789 3.) 3256.1254 4.) 102356.78 5.) 78.56 Round to whole number..

Dima020 [189]

Answer:

1.)88

2.)124

3.)3256

4.)102357

5.)79

Step-by-step explanation:

5 0

3 years ago

What is 180% of 140? A. 25.2 B. 128 C. 180 D. 252

Dennis_Churaev [7]

252

Therefore its D!

8 0

4 years ago

I need help on 3 pls

Assoli18 [71]

Your answer will be 4 1/3

3 0

4 years ago

B) Find the value of x. Show algebraic support. hint: sum of the exterior angles is 360

schepotkina [342]

Answer:

x = 16

Step-by-step explanation:

Given that the sum of the exterior angles is 360°

Sum the given exterior angles and equate to 360

47 + 93 + 46 + 3x + 62 + 4x = 360, that is

248 + 7x = 360 ( subtract 248 from both sides )

7x = 112 ( divide both sides by 7 )

x = 16

3 0

3 years ago

I don't know how to simplify this question. Is quotient rule necessary?

barxatty [35]

Answer:

The answer to your question is $\frac{(x+1)^{2}(x - 23)}{(x-7)^{3}}$ , because the directions says to give the answer in factor form.

Step-by-step explanation:

$\frac{3(x+1)^{2}(x-7)^{2}- (x+1)^{3}(2)(x - 7)}{(x - 7)^{4}}$

Factor like terms (x - 7)(x + 1)²

$\frac{(x - 7)(x + 1)^{2}[3(x - 7) - 2(x + 1)}{(x - 7)^{4}}$

Simplify

$\frac{(x+1)^{2}[3(x - 7) - 2(x+1)]}{(x-7)^{3}}$

Expand

$\frac{(x+1)^{2}[3x - 21 -2x - 2]}{(x - 7)^{3}}$

Simplify

$\frac{(x + 1)^{2}(x - 23)}{(x - 7)^{3}}$

5 0

4 years ago

A. State whether each figure is a polygon​

A. State whether each figure is a polygon