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MA_775_DIABLO [31]
3 years ago
11

PLS HELP i need this questions fast

Mathematics
1 answer:
lora16 [44]3 years ago
7 0
D- this should be correct because it explains the possible way of them matching even though DEF is bigger
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Which of the following is an arithmetic sequence?
algol13

Answer:

B: 3,0,-3,-6

Step-by-step explanation:

An arithmetic sequence has constant adding or subtracting. In this case, 3 is being subtracted as a constant.

8 0
3 years ago
Use the formula for the sum of the first n terms of a geometric sequence to solve. Find the sum of the first 8 terms of the geom
Dvinal [7]

Answer:

-2040

Step-by-step explanation:

S_n=a_1\dfrac{r^n-1}{r-1} \qquad\text{for first term $a_1$ and common ratio r}\\\\S_8=-8\dfrac{2^8-1}{2-1}=-2040

The sum of the first 8 terms is -2040.

8 0
4 years ago
Given g (x)=-x^2+10x-3<br> Find g (-3)
sweet-ann [11.9K]

Answer:

The value of g(x) at x=-3 is -42

That is g(-3)=-42

Step-by-step explanation:

Given that the function g is defined by g(x)=-x^2+10x-3

To find the value of g(-3) :

That is to find the value of g(x) at x=-3 :

g(x)=-x^2+0x-3

Put x=-3 in the above function we get

g(-3)=-(-3)^2+10(-3)-3

=-(9)-30-3

=-9-33

=-42

Therefore g(-3)=-42

The value of g(x) at x=-3 is -42

That is g(-3)=-42

3 0
3 years ago
The drama club is selling tickets to its play. An adult ticket costs $15 and a student tickets costs $11. The auditorium will se
Tema [17]
B) thats the only one i could think of that would even sound right

4 0
3 years ago
A circle centered at the origin contains the point (0,-9). Does (8, sqr 17) also lie on the circle?
Reptile [31]

Check the picture below.

since the circle is centered at the (0,0) origin, and a point on it is at (0, -9), its radius is simple the distance between those two, or r = 9.

if the second point is also on the circle, it must also be 9 units away from the origin.

\bf ~~~~~~~~~~~~\textit{distance between 2 points} \\\\ (\stackrel{x_1}{0}~,~\stackrel{y_1}{0})\qquad (\stackrel{x_2}{8}~,~\stackrel{y_2}{\sqrt{17}})\qquad \qquad d = \sqrt{( x_2- x_1)^2 + ( y_2- y_1)^2} \\\\\\ d=\sqrt{(8-0)^2+(\sqrt{17}-0)^2}\implies d=\sqrt{8^2+(\sqrt{17})^2} \\\\\\ d=\sqrt{64+17}\implies d=\sqrt{81}\implies d=9~~\textit{\Large \checkmark}

7 0
3 years ago
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