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vesna_86 [32]
3 years ago
7

Evaluate the expression P(6,1)

Mathematics
1 answer:
klasskru [66]3 years ago
5 0

Answer:

p(6,3)=120

Step-by-step explanation:

In the pic is how to do it

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What is the answer to the question 25% of what is 21?
g100num [7]
If we call the number "x" then:
x*25%=21
x*25/100=21
x=21*4
x=84

Hope this helps. :)
8 0
3 years ago
Read 2 more answers
Ciara buys 7 lb of strawberries for $5.81. How much would she spend if she wanted 15 lb of strawberries?
wlad13 [49]

by multiplication of 15 and 5.81 answer is the

87.15

8 0
3 years ago
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Solve for x in the equation.
labwork [276]

Answer:

The solution is \displaystyle x=1\pm \sqrt{47}. Fourth option

Explanation:

Solve for x:

2x^2+3x-7=x^2+5x+39

Move all the terms from the right to the left side of the equation, a zero in the right side:

2x^2+3x-7-x^2-5x-39=0

Join all like terms:

x^2-2x-46=0

The general form of the quadratic equation is:

ax^2+bx+c=0

Solve the quadratic equation by using the formula:

\displaystyle x=\frac{-b\pm \sqrt{b^2-4ac}}{2a}

In our equation: a=1, b=-2, c=-46

Substituting into the formula:

\displaystyle x=\frac{-(-2)\pm \sqrt{(-2)^2-4(1)(-46)}}{2(1)}

\displaystyle x=\frac{2\pm \sqrt{4+184}}{2}

\displaystyle x=\frac{2\pm \sqrt{188}}{2}

Since 188=4*47

\displaystyle x=\frac{2\pm \sqrt{4*47}}{2}

Take the square root of 4:

\displaystyle x=\frac{2\pm 2\sqrt{47}}{2}

Divide by 2:

\displaystyle x=1\pm \sqrt{47}

First option: Incorrect. The answer does not match

Second option: Incorrect. The answer does not match

Third option: Incorrect. The answer does not match

Fourth option: Correct. The answer matches exactly this option

8 0
3 years ago
Is the square root of 3 rational or irrational
enyata [817]

Answer:

The square root of three is irrational.

Step-by-step explanation:

3 0
3 years ago
Y + 1 1/6 = 7 5/6 what is Y​
AfilCa [17]

Answer:

6\frac{2}{3}

Step-by-step explanation:

y + 1\frac{1}{6} = 7\frac{5}{6}

y + \frac{7}{6} = \frac{47}{6}

y = 40/6 = 20/3 = 6\frac{2}{3}

3 0
3 years ago
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