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sineoko [7]
3 years ago
6

HELP WILL MARK BRAINLEST no files nd no pictures

Mathematics
1 answer:
pantera1 [17]3 years ago
3 0

Answer:

<h3>6xsquared +9x + 12</h3>

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What is the equation used to find the nth term of the arithmetic sequence: -9, -4 1, 6, 11...
elena-s [515]

Answer:

a^n=-9+(n-1).5

Step-by-step explanation:

Arithmetic sequence=a+(n-1)d

a=-9

n=?

d=+5

Arithmetic sequence=-9+(n-1)5

=-9+5n-5

Collect like terms

-9-5+5n

-14+5n

So the final answer is

an=-9+(n-1).5

4 0
3 years ago
A person on a moving sidewalk 21 feet in 7 senconds the moving sidewalk has a lenght of 180 feet. How long will it take to move
aliina [53]

Answer:

He will take 60 seconds to move from one end of the sidewalk to other.

Step-by-step explanation:

Given:

A person on a moving sidewalk,

21 feet in 7 seconds

Then 180 feet

To Find:

Total time =?

Solution:

Speed:

Speed is defined as the rate of distance covered in per unit time.

It is given as

\textrm{Speed }=\dfrac{\textrm{Distance}}{Time}

Substituting the given values we get

\textrm{Speed }=\dfrac{21}{7}=3\ m/s

Now, With this speed if he walk 180 feet then the time is

\textrm{Time}=\dfrac{\textrm{Distance}}{Speed}

Substituting  Speed and Distance we get

\textrm{Time}=\dfrac{180}{3}=60\\\\Time=60\ s

He will take 60 seconds to move from one end of the sidewalk to other.

5 0
3 years ago
What are the extremes of the following portion 3/15 =12/60
IgorLugansk [536]
An app called phototmath is free and gives you computer generated answers in seconds
6 0
3 years ago
Quadrilateral ABCD is inscribed in a circle. Find the measure of each of the angles of the Quadrilateral. Show your work. ( Plea
oksano4ka [1.4K]

Answer:

  • Shown Below.

Explanation:

opposite angles in a quadrilateral sum up to 180°

total interior angles in a quadrilateral is 360°

solve for x:

x - 2 + x + 2 = 180°

2x = 180°

x = 90°

solve for each angle:

1st

x + 2

90° + 2 = 92°

2nd

x - 2

90° - 2 = 88°

3rd

x - 10

90° - 10° = 80°

4th

360° - 80° - 88° - 92° = 100°

7 0
3 years ago
What is the equation of this line in slope
GenaCL600 [577]

Answer:

y=-1/3x

Step-by-step explanation:

You go down 1 and to the right 3.

4 0
3 years ago
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