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DENIUS [597]
4 years ago
9

What is two rules for 4,8,9,18,19

Mathematics
2 answers:
Pachacha [2.7K]4 years ago
7 0
Multiply by 2 and adding by1
Zolol [24]4 years ago
3 0
Multiply by 2 and add 1
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Choose 2 trapezoids and find the area using proper format
masha68 [24]

Answer:

Area of green trapezoid would be:

(length of two parallel sides × h) ÷ 2

( 5cm x 2cm) ÷ 2

= 5 square centimetres

Area of the orange trapezoid would be:

(length of two parallel sides x h) ÷ 2

(10.5 cm × 3) ÷ 2

( 31. 5) ÷ 2

(15. 75 square centimetres

NOTE: h represents height

8 0
4 years ago
What is the simplified form of the following expression?
Igoryamba

Answer:

169 is the answer.

Step-by-step explanation:

I used a calculator.

7 0
3 years ago
If you know how to do order of operation plz answer this
Anarel [89]
  1. since you have no parentheses you have to break down the exponent so 3x3 is 9 plus x 2 is 18 x 8 is 144 divided by 7 plus 1 plus 5 is.... srry not good at long division
3 0
3 years ago
1. Example of Fourth-degree trinomial<br> 2. Example of Cubic polynomial with four terms
borishaifa [10]
So, i think all you really need here is some definitions:
degree is the highest exponent that a polynomial has; a "fourth-degree" polynomial would have a highest exponent of 4.
a trinomial is a polynomial with 3 terms (tri means 3).
a cubic polynomial is a polynomial with an exponent of three.
terms are the values separated by signs in a polynomial; for example, in the binomial x - 1, both "x" and "-1" are terms.

with that info, an example of a fourth-degree trinomial is simply one with an exponent of 4 and 3 total terms: x⁴ + x² + 16 is one example, but there are maaaaaaaany examples you could create from it. x⁴ + x + 1 has a degree of 4 and three terms, so you can do whatever you want with it.

an example of a cubic polynomial with 4 terms could be x³ + x² + x + 1; x³ + 2x² + 27x + 119 is another. the most important thing for this one is that you list out x³, x², and x as well as a constant, because that's the only way to secure their placement in the polynomial without becoming like terms that combine and turn into fewer terms. you couldn't put two x² terms or multiple constants because they simplify into a single term.
5 0
4 years ago
Use substitution to solve the system of equations.<br> 2x+y=4<br> -2x+y=-4
Gre4nikov [31]

Answer:

Step-by-step explanation:

1*2x+y=4

-1*2x+y=-4

-2x=-y-4

2x=y+4

x=y+4/2

4 0
3 years ago
Read 2 more answers
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