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kipiarov [429]
3 years ago
9

Which type of sequence is shown? Check all that apply. 4, 8, 12, 16, . . . The numbers are quickly getting larger, so this is a

geometric sequence. The numbers are slowly getting larger, so this is an arithmetic sequence. This is an arithmetic sequence because there is a common difference of 4 between each term. This is a geometric sequence because there is a common ratio of 2 between each term. Add 4 to the last term to extend this arithmetic sequence. Multiply the last term by 2 to extend this geometric sequence.
Mathematics
1 answer:
melisa1 [442]3 years ago
7 0

Step-by-step explanation:

4, 8 , 12 , 16 .....

  • This is an arithmetic sequence because there is a common difference of 4 between each term.
  • This is a geometric sequence because there is a common ratio of 2 between each term.

Hope it will help.

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A ship traveled 120 km with the current, and then turned around and traveled back, spending 5h and 24 min on its trip. Find the
nadya68 [22]

Yah same im also an RSM student. 8th Honors?

7 0
3 years ago
Solve the system by graphing y=-4x-2 -2x+y=-2 Plot both lines and point of intersection by moving the dots to the correct locati
UkoKoshka [18]

Answer:

The point of intersection is (0,-2).

Step-by-step explanation:

Equation 1: y=-4x-2

Equation 2 : -2x+y=-2

Plot the lines on the graph

Refer the attached figure

Equation 1: y=-4x-2 ---- Red

Equation 2 : -2x+y=-2 ---- Blue

Point of intersection : A point where both the lines intersect is called point of intersection.

So, Both lines intersect at point (0,-2)

So, Point of intersection is (0,-2)

Hence The point of intersection is (0,-2).

7 0
3 years ago
Find the equations of the tangents to the curve x=9t2+3, y=6t3+3 that pass through the point (12,9).
Xelga [282]

Answer:

The equation will be "y=x-3".

Step-by-step explanation:

Given:

Points (12, 9) = (x, y)

⇒ x=9t^2+3

then,

 \frac{dy}{dt}=18t

or,

⇒ y=6t^3+3

then,

 \frac{dy}{dt}=18t^2

⇒ \frac{dy}{dx}=\frac{18t^2}{18t}

        =t

By using the point slope form.

The equation of tangent will be:

⇒ y-9=1(x-12)

   y-9=x-12

          y=x-12+9

          y=x-3

4 0
3 years ago
The percent of working students increased 8.1 to 40.5 what was the present prior to increase
Dmitrij [34]

Answer:

  32.4

Step-by-step explanation:

prior + 8.1 = 40.5 . . . . . . seems to model the problem statement

prior = 32.4 . . . . . . . subtract 8.1 from both sides

Prior to the increase the percent was 32.4.

_____

<em>Comment on the problem statement</em>

When you're talking about a percentage increase in a percentage, it is almost never clear whether you're talking about the percentage of the underlying number, or the percentage of the percentage.

Here, we assume the 8.1 is a percentage of working students, not a percentage of the percentage of workings students. If you actually intend the latter, the percentage before the increase was about 37.465%.

6 0
2 years ago
Write the standard form of the quadratic equation modeled by the points shown in the table below.
rjkz [21]

Answer:

y = 2x² - 5x + 7

Step-by-step explanation:

General form of a quadratic is:

y = Ax² + Bx + C

Using the given points, construct equations and solve for A,B and C.

When x = 0, y = 7

7 = A(0)² + B(0) + C

C = 7

y = Ax² + Bx + 7

When x = -1, y = 14

14 = A(-1)² + B(-1) + 7

A - B = 7

A = 7 + B

When x = 1, y = 4

4 = A(1)² + B(1) + 7

A + B = -3

(7 + B) + B = -3

2B = -10

B = -5

A = 7 + (-5)

A = 2

y = 2x² - 5x + 7

5 0
3 years ago
Read 2 more answers
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