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Vera_Pavlovna [14]
3 years ago
8

What is the next number in the sequence? 3, 9, 15, 21, ?

Mathematics
2 answers:
m_a_m_a [10]3 years ago
6 0

Answer:

Your next number would be 27

Step-by-step explanation:

3+6=9

9+6=15

15+6=21

21+6=27

Nonamiya [84]3 years ago
4 0

Answer: 27

Step-by-step explanation:

supposed to ad 6 everytime

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Consider the quadratic equation ax^2+bx+5=0, where a, b, and c are rational and the quadratic has two didstinct zeros if one zor
erica [24]

Answer:

It can either be rational or irrational

Step-by-step explanation:

Given the quadratic equation ax²+bx+5 = 0, to get the zeros of the function, we will factorize the function to have;

ax²+bx = -5

x(ax+b) = -5

x = -5 and ax+b = -5

From the second function we have;

ax+b = -5

ax = -5-b

x = -5-b/a

This shows that the other value of x can be rational or irrational depending on the values of a and b

3 0
3 years ago
Click an item in the list or group of pictures at the bottom of the problem and, holding the button down, drag it into the corre
BartSMP [9]

Answer:

x -y =4

Step-by-step explanation:

First find the slope

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

   = (1- -4)/(5 - 0)

    = (1+4)/(5-0)

   5/5

   = 1

Then we can use slope intercept form

The slope is 1 and the y intercept is -4

y = mx+b

y = 1x-4

We want it in standard form

Ax + By = C where A is a positive integer

Subtract x from each side

-x +y = -4

Multiply by -1

x -y =4

8 0
3 years ago
What is the answer??
Svetradugi [14.3K]

Answer:

32.

Step-by-step explanation:

I accidentally put my age too high. Im only in middle school but 32 could be one answer. If two sides are the same then it could be an isoceles triangle or whatever.

6 0
3 years ago
If a car travels 180 km on 12 liters of gas, how many km per liter does the car get? Express in simplest form.
lora16 [44]

Answer:

<u>5 kilo-meters per liter of gas</u>

Step-by-step explanation:

180 divided by 12 would be 180 / 12 = 5 km per liter

<em>(P.S., pls mark me brainliest, and have a nice day)</em>

6 0
3 years ago
If f(x) = 5x – 2 and g(x) = 2x + 1, find (f- g)(x).
GalinKa [24]

Answer:

la respuesta es A. 3x - 3

7 0
3 years ago
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