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3 years ago

The line 3x - 2y = 12 has:

Mathematics

1 answer:

faltersainse [42]3 years ago

4 0

Answer: a slope of 3/2 and a y-intercept of -6

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A sequence of 7 numbers starts with 8. The second number in the sequence is unknown and may be positive or negative. The third t

scoray [572]

Answer:

Explanation:

$a_1=8,a_7=0$

Since the third term is the sum of the two previous terms

$a_3=a_2+a_1$

$a_7=a_6+a_5$

$a_7=a_5+a_4+a_4+a_3$

Continuing in like manner

$a_7=5a_3+3a_2$

Since $a_3=a_2+a_1$

$a_7=5(a_2+a_1+3a_2$

$a_7=5a_2+5a_1+3a_2$

$a_7=8a_2+5a_1$

Recall: $a_1=8,a_7=0$

$0=8a_2+5*8$

$8a_2=-40$

$a_2=-5$

The sequence is therefore:

8,-5,3,-2,1,-1,0

The sum of the seven numbers is 4.

8 0

3 years ago

How far is the point described by the ordered pair (4,5)<br>from the x axis?

weeeeeb [17]

Answer:

<h2>The point is 4 units away from the x-axis.</h2>

Step-by-step explanation:

The given ordered pair is (4, 5).

Remember, in a ordered pair, the first number is about the number of units used horizontally, and the second number is about the number of units used vertically.

So, this point is 4 units right side of the origin and 5 units upside of the origin.

Therefore, the point is 4 units away from the x-axis.

5 0

3 years ago

One of the pages help my lil cousin out

ivann1987 [24]

Answer:(that was a joke)

1.) acute

2.) right

3.) obtuse

4.) acute

5.) obtuse

6.) right

Step-by-step explanation:

if hes doing advanced stuff like isosceles equilateral and that then im sorry for the answer.

8 0

3 years ago

What is the constant in this expression<br> 4+8m+x

Strike441 [17]

4 is the contestant in the expression

5 0

3 years ago

Find the domain and range of a parabola with vertex (3, 4) and focus (1, 4).

hammer [34]

9514 1404 393

Answer:

domain: (-∞, 3]
range: (-∞, ∞)

Step-by-step explanation:

The focus is to the left of the vertex, so the parabola opens to the left. The domain is all values of x less than or equal to 3: (-∞, 3].

The vertical extent of the graph is <em>all real numbers</em>, so the range is (-∞, ∞).

The graph shows the focus and directrix as well as the parabola.

4 0

3 years ago