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3 years ago

Describe the error in finding the product (big ideas math)

Mathematics

1 answer:

ch4aika [34]3 years ago

8 0

Answer:

Step-by-step explanation:

you have to foil in situations like these, getting you

ksquared +4k+4k+16

2(k)(4) is the same thing as 4k+4k, which is what is missing from the answer

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HELP!

aev [14]

As you can see, in the table of the first function, f(2) = 18, and in the table of the second function g(2) = 18. Then, for x = 2, f(x) = g(x). and x =2 is the solution of the equation.

Answer: x = 2.

6 0

2 years ago

Read 2 more answers

What is the solution of the system of equations?

Elis [28]

Answer:

The answer to your question is:

x = 4

y = -1

z = -3

Step-by-step explanation:

3 x + 2 y + z = 7

5 x + 5 y + 4 z = 3

3 x + 2 y + 3 z = 1

$\left[\begin{array}{ccc}3&2&1\\5&5&4\\3&2&3\end{array}\right]$

= 45 + 10 + 24 - (30 + 24 + 15)

= 79 - 69

Δ = 10

$\left[\begin{array}{ccc}7&2&1\\3&5&4\\1&2&3\end{array}\right]$

= 105 + 6 + 8 - (18 + 56 + 5)

= 119 - 79

Δx = 40

$\left[\begin{array}{ccc}3&7&1\\5&3&4\\3&1&3\end{array}\right]$

= 27 + 5 + 84 - ( 105 + 12 + 9)

= 116 - 126

Δy = -10

$\left[\begin{array}{ccc}3&2&7\\5&5&3\\3&2&1\end{array}\right]$

= 15 + 70 + 18 - (10 + 18 + 105)

= 103 - 133

= -30

Δz = -30

x = Δx /Δ = 40/10 = 4

y = Δy/Δ = -10/10 = -1

z = Δz/Δ = -30/10 = -3

8 0

3 years ago

Read 2 more answers

In each of the following situations, data are obtained by conducting a research study. Classify each Experimental or Correlation

klio [65]

Answer:

1. Experimental

2. Correlational

3. Experimental.

Step-by-step explanation:

1. Experimental.

Researches are interested on finding the effects of music on a test.

2. Correlational

Researchers are interested on finding the correlation of the gender and cognition from different samples

3. Experimental

The Researcher wants to know the effects of bedroom light.

7 0

3 years ago

Find the area of the surface correct to four decimal places by expressing the area in terms of a single integral and using your

love history [14]

If we substitute $x=r\cos\theta$ and $y=r\sin\theta$ , we get $r^2=x^2+y^2$ , so that

$z=\cos(x^2+y^2)=\cos(r^2)$

which is independent of $\theta$ , which in turn means the surface can be treated like a surface of revolution.

Consider the function $f(t)=\cos(t^2)$ defined over $0\le t\le1$ . Revolve the curve $C$ described by $f(t)$ about the line $t=0$ . The area of the surface obtained in this way is then