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slava [35]
3 years ago
5

Evaluate the polynomial 6x - y, for x = - 3 and y = 2.

Mathematics
2 answers:
Ivahew [28]3 years ago
5 0

Answer:

Do the order of operations after you plug everything in.  If that doesn't help do a proof.

6x-y turns into 6(-3)-2.  Do parenthesis () first, (-18)-2. You will get the finally answer of -20.

professor190 [17]3 years ago
3 0

Answer:

<h2>-20</h2>

Step-by-step explanation:

6x - y

Put the values of x = -3 and y = 2 to the expression:

6(-3) - 2 = -18 - 2 = -20

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3 years ago
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Simplify £2.50 : 60p
slavikrds [6]

Answer:

Here we will simplify 2/50 to its simplest form and convert it to a mixed number if necessary.

In the fraction 2/50, 2 is the numerator and 50 is the denominator.

When you ask "What is 2/50 simplified?", we assume you want to know how to simplify the numerator and denominator to their smallest values, while still keeping the same value of the fraction.

We do this by first finding the greatest common factor of 2 and 50, which is 2.

Then, we divide both 2 and 50 by the greatest common factor to get the following simplified fraction:

1/25

Therefore, this equation is true:

2/50 = 1/25

If the numerator is greater than or equal to the denominator of a fraction, then it is called an improper fraction. In that case, you could convert it into a whole number or mixed number fraction.

1/25 = Proper Fraction

Step-by-step explanation:

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4 0
3 years ago
Simplify (x^2-8x+2) - (3x^2+x-1)
REY [17]

Answer:

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5 0
3 years ago
Find all solutions in radians. Approximate your answers to the nearest hundredth. (Let k be any integer.)
Bumek [7]

Answer: 0.73 + πk, 0.28 + πk

<u>Explanation:</u>

      cos (2x - 1) = 0.9

cos⁻¹[cos (2x - 1)] = cos⁻¹ 0.9

               2x - 1 = +/- 0.45

               2x      = +/- 0.45 + 1

                  x      = \frac{+/- 0.45 + 1}{2}

                  x      = \frac{0.45 + 1}{2},   x  = \frac{-0.45 + 1}{2}

                  x      = 0.73, 0.28

For ALL Solutions:

x = 0.73 + πk         and        x = 0.28 + πk

6 0
4 years ago
Ryan has 8 kittens. Two are white. What fraction of the kittens are not white? Write in simplest form
Liono4ka [1.6K]

Answer:

3/4

Step-by-step explanation:

If 2 out of 8 of the kittens are white, than 6 aren't white. That fraction would be 6/8 but when you simplify you get 3/4.

3 0
3 years ago
Read 2 more answers
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