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mart [117]
3 years ago
5

Please HELP ASAP IN NEED IT I WILL GIVE YOU POINTS

Mathematics
2 answers:
omeli [17]3 years ago
8 0

Answer:

C

Step-by-step explanation:

"Twice a number" means a variable/mystery number times 2; aka <em>2x</em>.

"Six less than" means minus/subtract six.

So, therefore it's 2x - 6.

klasskru [66]3 years ago
7 0

Answer: c six less than twice is the same as two times a number minus six

Step-by-step explanation:

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On a number line 6.64 would be located 
Dominik [7]

Answer:

yes

Step-by-step explanation:

7 0
3 years ago
Read 2 more answers
Subtract.
faltersainse [42]
18 1/2 -17 3/4
= 18.50 -17.75
= 0.75
= 3/4

The 4th selection is appropriate.
5 0
3 years ago
-8.0 is classified as?Select all that apply * Natural Number Whole Number Integer Rational Number
grigory [225]

Answer:

Integer and Rational Number

Step-by-step explanation:

Natural numbers are positive numbers starting at 1 and going onward.  Since -8.0 is not a positive number, it is not a natural number.

Whole numbers are natural numbers and 0 altogether.  -8 is not greater than zero or positive, so it is not a whole number.

A rational number is a number that can be expressed as the quotient or fraction p/q of two integers, a numerator p and a non-zero denominator q. Since q may be equal to 1, every integer is a rational number.  -8.0 can also be written as -8/1, so it is a rational number and an integer, since every integer is a number over 1 and also a rational number.

7 0
3 years ago
Q.23 Prove that: (sin4A - cos4A + 1) = 2sin2A
FrozenT [24]

Answer:

Step-by-step explanation:

I think you have the question incomplete, and that this is the complete question

sin^4a + cos^4a = 1 - 2sin^2a.cos^2a

To do this, we can start my mirroring the equation.

x² + y² = (x + y)² - 2xy,

This helps us break down the power from 4 to 2, so that we have

(sin²a)² + (cos²a)² = (sin²a + cos²a) ² - 2(sin²a) (cos²a)

Recall from identity that

Sin²Φ + cos²Φ = 1, so therefore

(sin²a)² + (cos²a)² = 1² - 2(sin²a) (cos²a)

On expanding the power and the brackets, we find that we have the equation proved.

sin^4a + cos^4a = 1 - 2sin^2a.cos^2a

4 0
3 years ago
16x squared -1=0<br> please help
Xelga [282]
16x^2 -1 = 0
16x^2 = 1
x^2 = 1/16
x= 1/4
4 0
3 years ago
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