3 years ago

What is the same about these polygons

Mathematics

2 answers:

aksik [14]3 years ago

6 0

They are all quadrilaterals <span />

vichka [17]3 years ago

6 0

They are all irregular polygons

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andriy [413]

Answer: I believe the answer is -119

Step-by-step explanation: Since the 85 is negative and subtracting from a negative number goes up instead of down, -85 - 34 is -119.

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3 years ago

What is the numerical factor of a multiplication expression like 3x

sweet [91]

3x can be factored into 3 times x. The numerical factor is 3.

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3 years ago

In Algebra you learned that Difference of Perfect Squares is x^2 - 25 = (x+5)(x-5)

nika2105 [10]

Answer:

(x+5i)(x-5i)

Step-by-step explanation:

We use imaginary numbers to solve that. since i = sqare root of -1 so i * i = -1.

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3 years ago

12, 21, 30 and 39 are the first four terms in a sequence

vivado [14]

Answer:

12, 21, 30, 39, 48, 57, 66, 75, 84.

Ninth term is 84.

Step-by-step explanation:

The rule for this sequence is "add 9".

So, using this rule, we can do......

12, 21, 30, 39, 48, 57, 66, 75, 84.

<em>Remember to add 9 each time!</em>

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2 years ago

If x−2=13, then what is the value of x2−4x+4?

Rus_ich [418]

Answer:

169

Step-by-step explanation:

x−2=13

First find the value of x

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x = 15

Now substitute into the expression

x^2 -4x+4

15^2 -4*15+4

225 - 60+4

165+4

169

8 0

3 years ago

Read 2 more answers