(25 POINTS) 10. Find the sum of the arithmetic sequence. 5, 7, 9, 11, ..., 23​

Answers

Answer 1

Answer:

Sum = 140

Step-by-step explanation:

We find all the terms, we know that every consecutive term, we add 2 until we reach 23:

Sum = 5 + 7 + 9 + 11 + 13 + 15 + 17 + 19 + 21 + 23

Sum = 140


Related Questions

Khan academy Help please

Answers

Answer:

1)quotient, 2)sum, 3)difference, 4)product

Step-by-step explanation:

A quotient is always the answer to a division problem.

A product is always the answer to a multiplication problem.

A difference is always the answer to a subtraction problem.

A sum is always the answer to a addition problem.

Answer:

mm dont mind me

Step-by-step explanation:

what is the unknown angle

Answers

a supplementary angle (the horizontal line) = 180°
so 180°-62°= 128°

Answer:

the line is 180 so you do 180-62=118

soo the angle x is 118°

..What percent of 420 is 79.8?
What percent is 79.8 of 420?

Answers

Answer:

19.95 %

19.95%

Hope that helps!

Step-by-step explanation:

Will mark as brainly






5 ft
1
3 ft
5 ft
4 ft
[Not drawn to scale]
60 square feet
72 square feet
82 square feet
84 squ

Answers

Answer:

72ft or 82ft

Step-by-step explanation:

It's too long for an explanation but it's defo NOT 4ft or 60ft.

Hope you get full marks on your test/work! :) Have a nice life!

A car travels 88 miles in 1 hours
(with a constant speed). How far
can it travel in 2 hours (with the
same speed)?

Answers

Answer:

176 miles

Step-by-step explanation:

88x2=176

Hell please please please

Answers

First find the volume of the hemisphere which is 32.725 in
Then find the volume of the cylinder which is 549.78 in
Then add them together - 32.725 + 549.78 = 582.505
Finally round it to the nearest whole number which is 583
The final answer should be 583

Please help and answer all questions from the attachments. Will give brainliest to correct answers from attachments.

Answers

Answer:

See attachments

Step-by-step explanation:

Hope this helps.

Estimate the square root of -54 to the nearest integer

Answers

Answer:

7.34846923

Step-by-step explanation:

write the equation of the image y=x^2 after vertically stretched by a factor of 2 and horizontally shifted 3 units to the left​

Answers

Answer:

2=3^2?????

Step-by-step explanation:

y=x^2

(3,2)

substitute

2=3^2

Solve the equation for 1/3 + a = 5/4

Answers

a = 1/3 * 5/4

a = 5/16

Answer this question for 25 points

Answers

Answer:

49

Step-by-step explanation:

i see the other answer is absolutely useless

Marble:Stone

6          :   7

    42   :   49

therefore there are 49 stones

Answer:

49

Step-by-step explanation:

42 ÷ 6 is 6

7 x 7 is 49

so its 49

My friends last question pls answer ASAP

Answers

Answer:

64

Step-by-step explanation:

just count the blocks!

We should seperate the shape into 2 rectangles.

For the 1st one, we should find the volume by multiplying 2 by 3 by 4

This equals 24 cubic units

The 2nd shape's volume is found by 2 by 5 by 4

This equals 40 cubic units

Now we add the 2 volumes to equal 64 cubic units

Randy has 53 inches of ribbon that he cuts into 8 pieces of equal length. What is the length of each piece of ribbon, in inches? Use paper to show your work. Enter your answer in the box. The length of each piece of ribbon is inches. Question 2 Select from the drop-down lists to describe the length of each piece of Randy’s ribbon. The length of each piece of Randy’s ribbon is between and inches.

Answers

Answer:

6 5/8

Step-by-step explanation:

Which of the following situations
represents a proportional relationship?
A. A cheeseburger is $7.95 plus $ 1.00 for
each additional topping.
B. A pool fills at a rate of 90 gallons per hour.
C. A health club charges a $40.00
membership fee plus $25.00 per month.
D. A bank account begins with $350.00 and
gains $30.00 per month.

Answers

Answer:

I think the answer is C. : a health club charges a $40.00 membership fee plus $25.00 per month.

f(x)=-5x^2+4x-9 g(x)=8x^2-3x-4 find (f+g)(x)

Answers

Given:

The functions are

[tex]f(x)=-5x^2+4x-9[/tex]

[tex]g(x)=8x^2-3x-4[/tex]

To find:

The value of (f+g)(x).

Solution:

We know that,

[tex](f+g)(x)=f(x)+g(x)[/tex]

Putting the given functions, we get

[tex](f+g)(x)=-5x^2+4x-9+8x^2-3x-4[/tex]

On combining like terms, we get

[tex](f+g)(x)=(-5x^2+8x^2)+(4x-3x)+(-9-4)[/tex]

[tex](f+g)(x)=3x^2+x-13[/tex]

Therefore, the required function is [tex](f+g)(x)=3x^2+x-13[/tex].

Areesh is trying to build a box fort. He has 8 feet of duct tape.
The instructions are to use 22.5 inches of the tape to secure the roof of the box fort. Then, the remaining
tape should be cut into 5-inch sections to be used on the walls of the box fort. Areesh will use all of the
duct tape as instructed.
Determine the number of 5-inch sections of tape Areesh can cut.

Answers

Answer:

The number of 5-inch cuts if duct tape remainding is 14.

Step-by-step explanation:

1. 96 - 22.5 = 73.5

2.  73.5/5 = 14.7

3. .7 isnt a full piece of tape, so he has 14 5inch tapes


Write down all the odd numbers between 720 and 730​

Answers

Answer:

721, 723, 725, 727, 729

Step-by-step explanation:

Have a blessed day :)

solve the system of equations for X and Y
y=x+5
y=2x+2

Answers

x+5=2x+2
5-2=2x-x
3=x
y=(3)+5
y=8

Each day after school, Chelsey runs 2.8 miles farther than Kyle.


Part A. Write an equation that represents the number of miles Chelsey runs, c, compared with Kyle, k.
plzz help

Part B. If Kyle runs 4 miles, how many miles does Chelsey run?

Answers

Answer:

6.8 miles

Step-by-step explanation:

First, create the equation representing Chelsey's miles compared to Kyle's:

c = k + 2.8

Next, find how many miles Chelsey runs if Kyle runs 4 miles.

Plug in 4 as k into the equation:

c = k + 2.8

c = 4 + 2.8

c = 6.8

So, Chelsey runs 6.8 miles

Answer:

Question :-

Each day after school, Chelsey runs 2.8 miles farther than Kyle.

Part A. Write an equation that represents the number of miles Chelsey runs, c, compared with Kyle, k.

plzz help

Part B. If Kyle runs 4 miles, how many miles does Chelsey run?

Solution :-

Let the miles walk by Chelesy be x

Now,

x = 4 + 2.8

x = 6.8 miles

Therefore,

x = Kyle's mile walked + 2.86.8 miles

[tex] \\ [/tex]

Note: Enter your answer and show all the steps that you use to solve this problem in the space provided. Calculate the area of the trapezoid, which is not drawn to scale.

Answers

Answer:

38 in

Step-by-step explanation:

Ok, so the bottom part is a rectangle and the top part is a triangle. We’re gonna split those into two different shapes.

8 * 4 = 32, this is the area of the bottom rectangle.

To get the side length of the top triangle, we have to subtract 8 from 11.

11 - 8 = 3

(3 * 4)/2 = 6, this is the area of the top triangle.

Add the two areas, 32 + 6 = 38

And that’s it, maybe, I think.

How to make change for a dollar using exactly 50 coins.
Is there more than one way?

Answers

Answer:

Conversations of currencies

Step-by-step explanation:

I am 100% sure that's the other way

Determine the distance between the two groups after the hikes

Answers

Picture?? I need to see what I’m working with

A. Grace spent P184.35 for a box of chocolates and
handkerchiefs. She gave her sister P125.00. The money she had left was
P127.75? How much did she have at first?
1. What is asked in the problem?
2. What are the given facts?
3. What is the operation to be used?
4. What is the number sentence?
5. What is the solution?​

Answers

Step-by-step explanation:

1. What is asked in the problem?

How much did she have at first?

2. What are the given facts?

- Grace spent P184.35 for a box of chocolates and  handkerchiefs

- She gave her sister P125.00.

- The money she had left was  P127.75

3. What is the operation to be used?

Addition

5. What is the solution?​

Initial amount = Money spent on Choc and handkerchiefs + Money she gave her sister + Amount left

Initial Amount =  P184.35 + P125.00 + P127.75

Initial Amount = P437.1

helppppppp pleaseeeee ill give brainliest answer pleaseeeee helppp me

Answers

Answer:

Floor 48

Right and left rectangles 80

Two triangles 24

48+80+24 =152

what is the area of 11/5 and 15 inches

Answers

Answer:

33

Step-by-step explanation:

find the next four terms in a number pattern that follows the rule. start with the number 10. 10, 16, 22, 28, 34 Is 16, 22, 28, and 34 the answer?

Answers

Answer:

40, 46, 52, 58

Step-by-step explanation:

To find the next four terms, we have to find the pattern of the given terms.

We start at 10 and then go to 16.

Let's try adding 6 to each term and see what we get.

10 + 6 = 16

16 + 6 = 22

22 + 6 = 28

28 + 6 = 34

Looks like it matches the given terms.

To find the next four terms, we just have to keep adding 6 to each term.

34 + 6 = 40

40 + 6 = 46

46 + 6 = 52

52 + 6 = 58

How long is the segment from (-5,2) to (5,-8)

Answers

Answer:

[tex]\boxed{\textsf{ The lenght of segment is \textbf{ 10}$\sqrt{\textbf{2}} $ \textbf{ units }.}}[/tex]

Step-by-step explanation:

We need to find the lenght of the segment drawn from (-5,2) to (5,-8) . Basically here we need to find the distance between the two points .

Here we can use Distance Formula , which is used to find the distance between two points .

[tex]\rule{200}2[/tex]

Distance Formula :-

If we need to find the distance between two points say , [tex]\sf ( x_1,y_1 ) \:\:\:\: \& \:\:\:\: ( x_2,y_2) [/tex] , then we can find out the distance as ,

[tex]\boxed{\boxed{ \sf Distance =\sqrt{ ( x_2-x_1)^2+(y_2-y_1)^2 } }}[/tex]

[tex]\rule{200}2[/tex]

Put on the respective values ,

[tex]\sf\implies Distance =\sqrt{ ( x_2-x_1)^2+(y_2-y_1)^2 } \\\\\sf\implies Distance =\sqrt{ ( -5-5)^2+(2+8)^2 }\\\\\sf\implies Distance= \sqrt{ (-10)^2+(10)^2 }\\\\\sf\implies Distance =\sqrt{ 100+100}\\\\\sf\implies Distance =\sqrt{200}\\\\\sf\implies Distance =\sqrt{2\times 10\times 10}\\\\\sf\implies \boxed{\pink{\frak{ Distance = 10\sqrt{2} \:\; units }}}[/tex]

What is 7 1/5 written as a percent

Answers

Answer:

720%

Step-by-step explanation:

Answer:

720 %

Step-by-step explanation:

Method 1

If 1 is equal to 100 percent, then 7 would be 700 percent. 1/5 is equal to 20 percent. If you add 700 % and 20 % you will get 720 %

Method 2

7 1/5 is equal to  

7/1 × 5/5 + 1/ 5 = 35/5 + 1/5 = 36/5

We know that 36/5 is the same as 36 ÷ 5

36 divided by 5 gives us 7.2

Convert the decimal to a percent:

7.2 × 100 = 720%

Hope this helps :)

PS. PLZZZZZZZ GIVE ME BRAINLIEST!!!!

The product of two positive consecutive odd integers is 2703. What are the positive numbers?

Answers

Answer:

The positive numbers are 51 and 53

Step-by-step explanation:

Let first odd integer be x and another odd integer is (x+2).

According to the given condition,

The product of two positive consecutive odd integers is 2703 i.e.

x(x+2) = 2703

[tex]x^2+2x-2703=0[/tex]

It is a quadratic equation. It can be solved as follows :

x = 51 and x = -53

Neglecting negative sign,

The first number = 51

Another number =(51+2) = 53

Hence, the positive numbers are 51 and 53.

For the pair of similar solids, find the value of the variable.
A. 3 cm
B. 18 cm
C. 16 cm
D. 2 cm

Answers

Answer:

2cm..................

The answer would be 2 cm because you divide 15 by 6 you would get 2.5. Then divide 5 by 2.5 and you would get 2.
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