3 years ago

What is the corrct answer

Mathematics

1 answer:

Mademuasel [1]3 years ago

4 0

D is the right answer

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N-4=16 solve equation

gizmo_the_mogwai [7]

n - 4 = 16 Given

+ 4 + 4 Cancel out 4 to isolate n variable

n = 20

Prove.

20 - 4 = 16

16 = 16

True.

6 0

2 years ago

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(7+4)6 =<br> Step by step is 42+24=66

ddd [48]

Answer:

Step-by-step explanation:

Add what is in the parenthesis, in this case 7+4:

(7+4)

=11

Multiply 11 by 6:

(11)6

=66

hope this helps :)

5 0

3 years ago

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Using the Quadratic Formula, which of the following is the solution to the quadratic equation x2 + 2x - 3 = 0?

saw5 [17]

Answer: x=1 or x=-3

Step-by-step explanation:

Quadratic formula is $-b+-\sqrt{b^{2}-4ac } /2$

a=1 b=2 c=-3

Substitute

$(-2+-\sqrt{2^{2}-4(1)(-3) }) /2\\(-2+-\sqrt{4+12}) /12\\(-2+-\sqrt{16}) /2\\(-2+-4) /2\\x=\frac{-2+4}{2} \\x=\frac{-2-4}{2} \\\\\\Simplify\\x=\frac{2}{2} \\\\x=\frac{-6}{2} \\\\Simplify\\x=1\\x=-3$

6 0

3 years ago

Samantha bought a calculator.she gave the cashier$50 and received$2 in change. How many did the calculator cost?

bonufazy [111]

48$ I think, because 50 minus 2 is 48

6 0

3 years ago

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Please help me

natka813 [3]

Answer:

The answer is Y=3x

when x is 0, y is 0

y=3x

Y= 3 X 0 = 0 (correct)

when x is 1, y is 3

y=3x

y=3 X 1= 3 (correct)

when x is 2 , y is 6

y=3x

y= 3 X 2= 6 (correct)

when x is 3, y is 9

y=3x

y= 3 X 3= 9 (correct)

when x is 4, y is 12

y=3x

y= 3 X 4= 12 ( Correct)

6 0

3 years ago

What is the corrct answer​

What is the corrct answer