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skad [1K]
3 years ago
11

Which of the following are solution to the equation below check all that apply x^2+6x+9=20

Mathematics
1 answer:
Vera_Pavlovna [14]3 years ago
6 0

Answer: There's no answer choices but the exact value is -3±2√5

Step-by-step explanation:

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Seventy-eigth hundred-thousandths​
s2008m [1.1K]

The decimal number for seventy eight hundred-thousandths is 5.

<h3>What is decimal number?</h3>

A decimal is a number that consists of a whole and a fractional part

The decimal numeral system is the standard system for denoting integer and non-integer numbers.

What is the decimal number for seventy eight hundred-thousandths?

= 78 x 10⁻⁵

<u>note</u>: a hundred thousandth = 10⁻⁵

= 0.00078

Thus, the decimal number for seventy eight hundred-thousandths is 5.

Learn more about decimal number here: brainly.com/question/1827193

#SPJ1

8 0
1 year ago
What is the <br>greatest common factor of 27 and 18?​
expeople1 [14]

Answer:

9

Step-by-step explanation:

27:

1,3,9, 27

18:

1,2,3,6,9, 18

4 0
3 years ago
Read 2 more answers
Find a simplified expression to represent the area of the triangle. The area formula for a triangle is bh, where b is the base a
snow_tiger [21]

Answer:4x^2+22x-12

Step-by-step explanation:

height=(2x+12)

base=(4x-2)

Area of =(base x height)/2

Area of =((4x-2)(2x+12))/2

Area of =(8x^2+48x-4x-24)/2

Area of =(8x^2+44x-24)/2

Area of =4x^2+22x-12

6 0
3 years ago
Read 2 more answers
What is negative 2/7 + 1/4 =
horrorfan [7]

Answer:

-0.03571428571

Step-by-step explanation:

7 0
3 years ago
Help me please!!!!!!!!!!!!!!!!!!
Stella [2.4K]

Answer:

16/81

Step-by-step explanation:

(2/3)^4  = (2/3)*(2/3)*(2/3)*(2/3)

             = 16/81

4 0
3 years ago
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