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3 years ago

Evaluate the expression x+5 for when x=2

Mathematics

2 answers:

aksik [14]3 years ago

6 0

Wouldnt that be 2+5 ?? if x is 2 it’s simple, just add them and you get 7.

mario62 [17]3 years ago

6 0

Answer:

Step-by-step explanation:

2+5=7 and x+5=? And x=2 so 2+5=7

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Which expression is equivalent to 2cos2(x/2)-cos(x)

Pavel [41]

Answer:

Step-by-step explanation:

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2 years ago

Write a division problem with these types of numbers: • The dividend and divisor are both mixed numbers. • The quotient is a who

viktelen [127]

Answer:

1 2/1 ÷1 1/2 = 2

Step-by-step explanation:

dividend ÷ divisor = quotient

1 2/1 ÷1 1/2 = 2

In order to solve this you need to make the mixed numbers into an improper fraction:

3/1 ÷ 3/2

use the KFC method (Keep Change Flip)

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4 0

3 years ago

3 (x -1) = 5x +3 -2x

Vika [28.1K]

Steps to solve:

3(x - 1) = 5x + 3 - 2x

~Distribute left side

3x - 3 = 5x + 3 - 2x

~Combine like terms

3x - 3 = 3x - 3

~Subtract 3x to both sides

-3 = -3

~Add 3 to both sides

0 = 0

All real numbers are solutions.

Best of Luck!

6 0

3 years ago

Write the expression (x4)8 in simplest form.

goblinko [34]

The Answer is = 8x^4

Hope this helps! :)

8 0

2 years ago

Given that y = 18 + 3x²<br> i) express x in terms of y

fgiga [73]

Answer:

$\sqrt{-6 + \frac{y}{3}} = x$

Step-by-step explanation:

y = 18 + 3x²

- 18 - 18

__________

$\frac{-18 + y}{3} = \frac{3x^2}{3} \\ \\ -6 + \frac{y}{3} = x^2 \\ \\ \sqrt{-6 + \frac{y}{3}} = x$

I am joyous to assist you anytime.

6 0

3 years ago