Which of the following is an arithmetic sequence

Answers

Answer 1
Answer:

Answer:

A sequence that has a contant addition/subtraction to get to the next term

for example:

-3, 0, 3, 6, ...

to get to the next term, we'll need to add 3 each time

Step-by-step explanation:

Answer 2
Answer:

Answer:

The constant of variation is constant.  

Step-by-step explanation:

1, 3, 5, 7, 9, . . . is an arithmetic sequence because it is constant with a direct variation of 2. (1 + 2 = 3; 3 + 2 = 5; . . .)

Hope that helps!! Please give me brainliest!!!!!


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What is true about the sum of the measures of any two non-right angles in a right triangle?

Answers

The two non-right sides add to 90 degrees. 180 (Triangle's Total) - 90 (Right angle) = 90

Choose the kind or kinds of symmetry the following figure

Answers

Answer:

i) Line

ii) point

Step-by-step explanation:


Given is a number 3.  We have to find the kind or kinds of symmetry

On seeing 3, we find that no vertical line can divide 3 into exactly two symmetrical figures.

But if we draw a horizontal line in the middle of 3, we get two symmetrical figures up and down the line.

Hence i) symmetric about a line

Next is imaging the middle of 3 end point.

At that point we find that the figure is symmetrical on all sides of the point

Hence there is also a point symmetry

Kinds of symmetry are

i) Line

ii) point

What is 21 divided by 4

Answers

Change those messy words to numbers:
21 divided by 4
(21)/(4)
It can either be solved by using a calculator or long division
And we will end up with the answer:5.25
the answer is 5.25 ur welcome

A blimp is 1500 meters high in the air and measures the angles of depression to two stadiums to the west of the blimp. If those measurements are 72.9° and 34.1°, how far apart are the two stadiums to the nearest meter?

Answers

Answer:

The distance between both stadiums is:

2215.49 m - 461.46 m =1754.03 m

Step-by-step explanation:

Look at the attached picture:

Lets say that the stadium on the left is stadium 1 and stadium 2 is on the right.

Using the angle property of alternate angles the angle above stadium 1 is 72.9°  and the angle above the stadium 2 is 34.1°

By using trigonometric function of tangent we solve it as:

We know that tanθ = opposite / adjacent

Therefore,

tan  72.9°=1500/ adjacent

Now

adjacent = 1500/tan 72.9°

adjacent = 461.46 m

Solve for next angle:

Tan 34.1°=1500/ adjacent

adjacent = 1500/tan 34.1°

adjacent = 2215.49 m

Therefore the distance between both stadiums is:

2215.49 m - 461.46 m =1754.03 m ....

How to do two step equations simple please help and you can do the example on this one: 2x+5=21

Answers

Answer: The answer here is x=2

Step-by-step explanation:

This is a linear equation, take 5x to other side ut will change a sign then solve for x.

2x+5=21

2x=21-5

2x=16

Lastly divide by 2 both sides to get 2

Benjamin collected 4 times as many bags as his friend. If his friend collected 2/5 of a bag, how much did Benjamin collect? Write the answer as a mixed number.

Answers

Answer:

1  3/5 bags

Step-by-step explanation:

Benjamin = 4 * Friend

Benjamin = 4 * 2/5

Benjamin = 8/5

Convert to mixed number:

8/5 = 1  3/5

Hope this helps :)