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pantera1 [17]
3 years ago
7

(Help!!!) Match the sequence (term) with the correct type of sequence (definition).

Mathematics
2 answers:
MaRussiya [10]3 years ago
8 0
A) Arithmetic, common difference is −4.
2. 28,24,20,16
24-28= -4
20-24= -4
16-20= -4
Common Difference- -4
And is an Arithmetic Sequence
B) Geometric, common ratio is 0.5
4. 48,24,12,6
24/48=0.5
12/24=0.5
6/12=0.5

C) Arithmetic, common difference is 2.
1. 2,4,6,8...
4-2=2
6-4=2
8-6=2
The pattern Continues, consecutive term differs by 2.. And is Arithmetic.

D) Geometric, common ratio is 2.
3. 2,4,8,16
4/2= 2
8/4= 2
16/8= 2
Varvara68 [4.7K]3 years ago
5 0
Here are the answers:

1) C

2) A

3) D

4) B
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both the red and blue line segments stretch from the center of the circle to a point on the circle. the legth of the blue line s
stiv31 [10]

Answer:

7.5

Step-by-step explanation:

It is longer than 5, so cross 2.5 and 5 out, 10 is too big, so 7.5 is the correct answer

4 0
3 years ago
Leta is planning to buy a new sofa and love seat as soon as they go on sale. The regular price for the sofa is $899.95 and the l
yawa3891 [41]

The sofa will cost $539.97

The love seat will cost $276

Just multiply each cost by .4 Then minus that from the cost.

Hope that helped

8 0
3 years ago
Write and evaluate the expression. Then, select the correct answer.
FromTheMoon [43]

                            zzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzz                                                          

4 0
2 years ago
Will mark brainliest if right and you show your work!
Anna007 [38]

Answer:

(x - 5)(x + 8)

Step-by-step explanation:

Your equation is: x² + 3x - 40

1. Factor the quadratic

(a) Find two numbers that multiply to give -40 and add to give 3.

List the positive factors of 40: 1, 2, 4, 5, 8, 10, 20, 40

One of the numbers must be negative. Start with the numbers near the middle of the list.

By trial and error, you will find that +8 and -5 work:

-5 × 8 = -40 and -5+8 = 3

(b) Rewrite 3x as -5x + 8x

x² - 5x + 8x - 40

(c) Factor the first two and the last two terms

x(x - 5) + 8(x - 5)

(d) Separate the common factor

x² + 3x - 40  = (x - 5)(x + 8)

2. Using Desmos

You can plot the equation with Desmos.

You get a parabola with x-intercepts at x = -8 and x = 5.

These are the solutions to

x + 8 =0 and x - 5 = 0, so

x² + 3x - 40 =  (x+ 8)(x - 5)

6 0
3 years ago
−4(w+1)=−24 what is t? plz help
Blizzard [7]
- 4 w - 4 = - 24
- 4w = - 20
w = 5
5 0
3 years ago
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