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uranmaximum [27]
3 years ago
14

Find a formula for the nth term

Mathematics
1 answer:
Airida [17]3 years ago
7 0

Answer:

a_{n} = - 1.3n - 2.4

Step-by-step explanation:

The n th term of an arithmetic sequence is

a_{n} = a₁ + (n - 1)d

where a₁ is the first term and d the common difference, thus

a_{n} = - 3.7 - 1.3(n - 1) = - 3.7 - 1.3n + 1.3 = - 1.3n - 2.4

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–3x – 3 < –63 This is rlly needed.
NISA [10]
-3x -3 < -63 subtract the 3 first
-3x < -60 then divide the -3 from both sides
x < 20 is your answer
6 0
3 years ago
I really need some help with this, if someone could put in an answer that would be a lot of help!
Black_prince [1.1K]

For the information given, a line segment of 4 inches can be drawn

<h3>How to illustrate the segment?</h3>

For the 'copy', you would measure the line drawn, and duplicate it to the right, measuring it to make sure it is the exact length of the first line.

To bisect the original line segment, measure the line with a ruler or other device, and calculate 1/2 distance from one end, mark it, measure from left end to mark, make sure right section is equal in length.

Draw an angle of  90 degree and label it to avoid confusion. Now use a scale to draw a ray and label the vertex point so we can know  the point where to place compass. Use compass to draw an arc on angle. This angle will help you measure where to put the new point on our new angle.

Similarly draw the same arc  on the new ray. This is the first step in finding the new point. Then, use compass to measure the difference between the two places where the arc meets the angle on angle.

Furthermore, use the measurements from the previous step to draw another arc. This step is to help establish a point where the two arcs meet. Now draw a point where the two arcs met and drew a line through it.

Learn more about segment on:

brainly.com/question/2437195

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6 0
2 years ago
Four times the sum of a number and two increased by three is at least twenty seven
Genrish500 [490]
<u>4(x + 2) + 3 >= 27</u>

4x + 8 + 3 >= 27

4x + 11 >= 27

4x >= 16

<u>x >= 4</u>
6 0
3 years ago
This table models a linear function. x −8 −4 4 8 y −3 0 6 9 Enter the coordinates of the y-intercept in the boxes.
adell [148]

Answer:

y-intercept is 3

Step-by-step explanation:

We are given table

x: -8  -4  4  8

y: -3   0   6  9

We can select any two points

x_1=-8,y_1=-3

x_2=-4,y_2=0

Firstly, we will find slope

m=\frac{y_2-y_1}{x_2-x_1}

now, we can plug values

m=\frac{0+3}{-4+8}

m=\frac{3}{4}\quad

now, we can use point slope form of line

y-y_1=m(x-x_1)

we can plug values

y+3=\frac{3}{4}(x+8)

now, we can solve for y

y=\frac{3}{4}x+3

For finding y-intercept , we can plug x=0

y=\frac{3}{4}\times 0+3

y=0+3

y=3

So,

y-intercept is 3

8 0
3 years ago
Someone help me please help me!!!
Ratling [72]
Here you go: the answers
7. C
8. A
8 0
3 years ago
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