Need help with this HW solution. I have tried many times but just can't seem to work it out properly.

Answers

Answer 1

Answer:

As a starter, the y value is equal to f(x); the x value is equal to the x in f(x).

So basically, in this case, replace x with the number in the brackets.

Coordinates have x, y values (x, y). Here, we know x is -2, so we need to find y.

on the graph, find x = -2 and find where the line of the drawn graph intersects it. Looks like the line intersect x = -2 when y = 3. So f(-2) = 3.

Same applies for b: x = 0, find where the line hits x = 0, and that's your y value, which is 1.

Tried my best to simplify it. Hope it helps lol.

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Matrix Question PLEASE

Answers

make into matrix
$\left[\begin{array}{ccc}2&1&1\n1&-3&-1\n4&5&2\end{array}\right] = \left[\begin{array}{ccc}-2\n14\n-4\end{array}\right]$

accoring to cramer's rule
replace the y collum with eh constant collumn and find the detterminant

$\left[\begin{array}{ccc}2&-2&1\n1&-14&-1\n4&-4&2\end{array}\right]$
det
$2 \left[\begin{array}{ccc}14&-1\n-4&2\end{array}\right]-(-2) \left[\begin{array}{ccc}1&-1\n4&2\end{array}\right]+1 \left[\begin{array}{ccc}1&14\n4&-4\end{array}\right]$
dunno wat fraction is

pick last option

For what values a is the equation (1/a+2)=(1/a)+(1/2) true?

Answers

There is no value of 'a' that makes the equation true.
In other words, the equation has no solution.

Here's how you can tell:

(1/a + 2) = (1/a) + (1/2)

Eliminate parentheses: 1/a + 2 = 1/a + 1/2

Subtract 1/a from
each side: 2 = 1/2

Is there any value of 'a' that can make 2 = 1/2 ?
I can't think of one.
So the equation has no solution.

What is the average of the following numbers: 3.2, 47/12,10/3?

Answers

Around 3.48 1/3 using the adding all the numbers and dividing by how many numbers there were

well,3.2=32/10
adding up all the fractions, we get
627/60
to find the average, we have to divide the fraction by 3, (as there are 3 fractions)
the answer is
3.484 approx

Which set of numbers is correctly ordered from least to greatest?• 247, : 15.758, 956 ve

| 246, 15.753. 956 ute

956€, 15.758, . 24,5

© 956/, , 15,758, 24,

Answers

Answer:

24π/5, 63/4, 15.758, 956√e

Note: The correct question is found in the attachment below

Step-by-step explanation:

Dividing to get values up to three decimal places

π = 3.142; e = 2.718

24π/5 = 24/5 × 3.142 = 4.8 * 3.142 = 15.0816

63/4 = 15.750

15.750 = 15.750

956 × √e

√e lies between 1.6 and 1.65 because 1.6 × 1.6 = 2.56

1.65 × 1.65 = 2.7225

Using 1.65

956 × 1.65 = 1577.4

Therefore, the correct ordering is 24π/5, 63/4, 15.758, 956√e

Answer:

Letter A is correct!!!

Step-by-step explanation:

got it right on edge

An inequality is shown.12+11/6x≤ 5+3x
Select the statement(s) and number line(s) that can represent the inequality. Click all that apply.
a. The solution set is {6, ∞} for x ∈ R.
b. The solution set is {6, 7, 8, …} for x ∈ N.
c. 6 ≤ x
d. The value of a number substituted for x is greater than 6.
(more options below.)

Answers

The right answer for the question that is being asked and shown above is that: "d. The value of a number substituted for x is greater than 6.; b. The solution set is {6, 7, 8, …} for x ∈ N." These are the statements and number lines that can represent the inequality.

Answer:

Step-by-step explanation:

56y

Write 130% as a fraction in lowest terms.

Answers

By lowest terms i'm guessing you mean the most simplified:

Firstly right the fraction in tenths (or one you know),
13/10

The answer is 13/10 and it can't be simplified anymore

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