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irga5000 [103]
3 years ago
11

What are the next two terms of the following arithmetic sequence -3, 1, 5, 9,....

Mathematics
2 answers:
Mariulka [41]3 years ago
6 0
13 and 17.

Each time 4 is being added, so do 9+4=13, then 13+4=17.
V125BC [204]3 years ago
5 0

Answer:

The 5th number is 13 and the 6th number is 17.

Step-by-step explanation:

For more difficult question, you have to use this way. the rule for arithmetic sequence is An=a1+d(n-1)

So all you have to do is replace the things.

So, you are looking for the 5th spot, the first term is -3, and the difference is 4, replace the n with the 5.

A5=-3+4(5-1)

5-1 is 4

4*4 =16

A5 =-3+16

16-3=13

A5=13

Do the same for A6 , just instead of the "5's" put "6's".

A6=-3+4(6-1)

6-1 +5

5*4 =20

20-3=17

A6 =17

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dolphi86 [110]

Answer:

Find the unit rate of each printing machine and compare.

Step-by-step explanation:

3 0
2 years ago
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when a linear function is graphed it passes through the points (-1,1), (1,5), and (3,9) what is the rate of change for the funct
vesna_86 [32]
Use the linear slope formula to solve for m: 

m=(y2-y1)/(x2-x1)

using the points (-1,1) and (1,5) you can find the slope for the first interval:
 
m=(5-1)/(1-(-1))
m=4/2
m=2

you can double check by using the same formula on the second interval, which is (1,5) to (3,9).

m=(9-5)/(3-1)
m=4/2
m=2 

therefore, the rate of change is 2. 
5 0
3 years ago
Which point is located on the x-axis of a coordinate grid?​
Leokris [45]

I don't see the grid? did you attach a photo?

6 0
3 years ago
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If a triangle has side lengths 7, 10, and 12, is it a right triangle??
Vesnalui [34]

Answer:

No. Remember, a right angle must have a 90 degree angle. We can find the lengths with the Pythagorean Theorem.

Step-by-step explanation:

Given the length 7, 10, and 12, we can assume that 12 is the hypotenuse (it is the longest length).

- we can use 7 and 10 interchangeably.

Fill in the equation, a^2 + b^2 = c^2

                 where c = 12, and a or b = 7 or 10.

To indicate if the given lengths would form a right angle, we can only input 7 or 10, not both.

Therefore, 7^2 + b^2 = 12^2 or 10^2 + b^2 = 12^2

7^2 + b^2 = 12^2 ==> 49 + b^2 = 144 ==> <u>b= </u>\sqrt{95<u> ==> </u><u>9.746</u>

b= 9.7, not 10.

10^2 + b^2 = 12^2 ==> 100 + b^2 = 144 ==> <u>b = </u>\sqrt{44<u> ==> </u><u>6.633 </u>

b= 6.6, not 7.

Therefore, the lengths 7, 10, and 12, does NOT make a right triangle.

Hope this helps!

5 0
3 years ago
Determine the area of a triangle having the following measurements. Round your answer to two decimal places.
Svetllana [295]
Area of a triangle= 1/2 (ab) (sin C) 
                           = 1/2 (9 x 11.5) (sin 63.4) 
                           = 46.27
3 0
3 years ago
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