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Igoryamba
4 years ago
9

Evaluate the expression for x = 2 and y = 4. Enter your answer in the box. 16x0 + 2x2 .y-1

Mathematics
1 answer:
olganol [36]4 years ago
4 0

Answer:

47

Step-by-step explanation

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Help plz
zvonat [6]

Answer:

1) -5

2) 5

3) -4

4) 7

5) 3

Step-by-step explanation:

1) -20 divided by -4

2) -2 plus 7

3) 20 divided by 5

4) -2 plus 9

5) 20 minus 17

3 0
3 years ago
Read 2 more answers
Which expression is equivalent to (-18) - 36n?
Solnce55 [7]

Answer:

D

Step-by-step explanation:

-18 - 36n = -6(3 + 6n).

Use distributive property.

-6(3 + 6n)

-18 + (-36n)

-18 - 36n

-18 - 36n = -18 - 36n

Have a nice day!

3 0
3 years ago
Read 2 more answers
(5.81*10^-3)*(8.7*10^10) in scientific notation
GalinKa [24]
5.0547x10^8
Is it's scientific notation.
3 0
3 years ago
Write the quadratic function in the form g(x)=a (x-h)2 +kThen, give the vertex of its graph. G(x) =2x2 +20x+49Writing in the for
Snezhnost [94]

The quadratic function given to us is:

g(x)=2x^2+20x+49

We are asked to find the vertex form of the function.

The general formula for the vertex form of a quadratic equation is:

\begin{gathered} g(x)=a(x-h)^2+k \\ \text{where,} \\ (h,k)\text{ is the coordinate of the vertex} \end{gathered}

In order to write the function in its vertex form, we need to perform a couple of operations on the function.

1. Add and subtract the square of the half of the coefficient of x to the function.

2. Factor out the function with its repeated roots and re-write the equation.

Now, let us solve.

1. Add and subtract the square of the half of the coefficient of x to the function.

\begin{gathered} g(x)=2x^2+20x+49=2(x^2+10x+\frac{49}{2}) \\ \text{half of coefficient of x:} \\ \frac{10}{2}=5 \\ \text{square of the half of the coefficient of x:} \\ 5^2=25 \\  \\ \therefore g(x)=2(x^2+10x+25-25+\frac{49}{2}) \end{gathered}

2. Factor out the function with its repeated roots and re-write the equation.

\begin{gathered} g(x)=2(x^2+10x+25)-2(25+\frac{49}{2}) \\ re-\text{write the above function} \\ g(x)=2(x^2+10x+25)-1 \\ \text{Let us factorize this:} \\ g(x)=2(x+5)^2-1 \end{gathered}

Therefore, we can conclude that the Equation and vertex of the equation is:

\begin{gathered} Equation\colon g(x)=2(x+5)^2-1 \\  \\ Vertex\colon(-5,-1) \end{gathered}

5 0
2 years ago
Pls help<br> (extra characters)
Aleonysh [2.5K]

Answer:

Step-by-step explanation:

2) Let 't' be the temperature

t < 7

Height be 'h'

h >= 42

Cos be represented by 'c'

c >= 125

3) Distributive property: a*(b +c) =(a*b) + (b*c)

2(5a + 3b) + 5a  +2b = 2*5a + 2*3b + 5a + 2b

                                   = 10a + 6b + 5a + 2b

                                  = 10a + 5a + 6b + 2b   {Combine like terms}

                                  = 15a + 8b

6y + 2(3x + 5) + 2y + 3 = 6y + 2*3x + 2*5 + 2y + 3

                                     = 6y + 6x + 10 + 2y + 3

                                     = 6y  + 2y + 10 +3 + 6x

                                      = 8y + 13 + 6x

6 0
3 years ago
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