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Dovator [93]
3 years ago
12

Tell whether the following is geometric or not, if geometric find r

Mathematics
1 answer:
fiasKO [112]3 years ago
8 0

Answer:

  • yes
  • r = - 3

Step-by-step explanation:

We observe each term is -3 times the previous one.

<u>The sequence is geometric and the common ratio is:</u>

  • r = - 3
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What is the equation of a line that passes through the point?
Artist 52 [7]
<h3>Answer: 3x-2y = 5 (choice A)</h3>

=====================================================

Explanation:

The given graph passes through (0,2) and (2,5)

The slope of this line is

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

m = (5-2)/(2-0)

m = 3/2

Since the y intercept is b = 2, we go from y = mx+b to y = (3/2)x+2, which is the equation of the graphed line shown.

Any parallel line will have the same slope, but a different y intercept.

-------------------

The parallel line must pass through (x,y) = (3,2). We'll use these coordinates along with m = 3/2 to find the y intercept b

y = mx+b

2 = (3/2)(3)+b

2 = 9/2+b

2-9/2 = b

4/2 - 9/2 = b

-5/2 = b

b = -5/2 ... is the new y intercept

The equation of the parallel line is y = (3/2)x-5/2, which is in slope intercept form

-------------------

Let's convert to standard form

y = (3/2)x-5/2

2y = 3x-5 .... multiply everything by the LCD 2 to clear out fractions

2y+5 = 3x

3x = 2y+5

3x-2y = 5 ... is the equation in standard form of the parallel line

-------------------

As a check, we can plug (x,y) = (3,2) into that last equation above to get

3x-2y = 5

3*3-2*2 = 5 ... replace x with 3, replace y with 2

9-4 = 5

5 = 5

Confirming that (x,y) = (3,2) is on the line.

3 0
3 years ago
Im pretty bad with coordinates anyone wanna help with an explanation and and answer please? Ty ​
Salsk061 [2.6K]

Answer:

About 9.4

Step-by-step explanation:

64+25=89

sqr root of 89 is 9.4339

4 0
3 years ago
When making a guess and retesting this information, a theory or ___________ may be formed which explains why something has occur
podryga [215]
Model <span>

When making a guess and retesting this information, a theory or <u>model</u> may be formed which explains why something has occurred or what it may look like. Models are a representation of a certain situations that has occurred. These models can provide and amplify a clearer perception and comprehension of how and what processes are involved in an occurred phenomenon. And by that said, it can change and be modified depending on which factor catalyzed the alterations. </span>  



3 0
3 years ago
16. What is the area of the shaded region in terms of Tr? [20 points]
tangare [24]
Area of the circle outside
= πr2
= π(5)2
=25 π

Area of the bigger circle inside
= π x(3)2
= 9 π
Area of the smaller circle inside
= π x (2)2
= 4 π

Area of shaded region
= 25π - 9π - 4π
= 12π square unit
6 0
2 years ago
Wouldn’t it be the 3rd answer 1/3 + 1/4 because you have to convert the dominators into 12 then you will get 4/12 and 3/12 then
marusya05 [52]

Answer:

Yes, correct

Step-by-step explanation:

Hope that helppppps

7 0
3 years ago
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