WILL MARK BRAINLIEST

WILL MARK BRAINLIEST

Answers

Answer 1

Answer:

The sum of the given sequence is 180

Step-by-step explanation:

Find each term

t₁ = 2*1 + 7 = 9t₂ = 2*2 + 7 = 11t₃ = 2*3 + 7 = 13...t₉ = 2*9 + 7 = 25t₁₀ = 2*10 + 7 = 27

The series is

9, 11, 13, ..., 25, 27

The sum of series can be shown as

9 + 11 + 13 + ... + 25 + 27

Find the sum

S₁₀ = 10/2*(9 + 27) = 5*36 = 180
Answer 2

Answer:

180

Step-by-step explanation:

The given series means to sum the first 10 terms of the sequence [tex]a_t=2t+7[/tex]

[tex]\begin{aligned}\displaystyle \sum^{10}_{t=1}2t+7 & = (2 \cdot 1+7)+(2 \cdot 2+7)+...+(2 \cdot 9+7)+(2 \cdot 10+7)\\ & =2(1+2+...+9+10)+10(7)\\\\& = 2(1+2+...+9+10)+70\\\\ & = 2(55)+70\\\\& = 110+70\\\\ & = 180 \end{aligned}[/tex]


Related Questions

PLEASE ANSWER 60 PTS
find all missing angles below.

Answers

Step-by-step explanation:

a=60°{vertically opposite angles}

b=180°-(52+110)°=18°

c=180°-(60+18)°=102°

d=180°-102°=78°

e=180°-(78+51)°=51°

need help with this problem

Answers

The answer is

for parallel : x-4=0

for perpendicular: y+4=0

What is slope- intercept equations?

The slope-intercept form is written as y = mx+b, where m is the slope and b is the y-intercept (the point where the line crosses the y-axis). It's usually easy to graph a line using y=mx+b.

Given line: x=-7

The slope of line x=7 is infinite

The equation of line passing through point (4,-4) and having slope infinite is

0.y+x=-7

So, 0.y= 4

hence, x=4

slope intercept form

x-4=0

Now, for perpendicular lines:

swap the coefficients on x and y with negative sign of x in x=-7

This is a vertical line, so the perpendicular line will be a horizontal line of the form y=b.

Since we are given that the line should pass through the point (4,−4), then the equation of the line is y=−4.

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Brainly for the one who help me
the words choices is
Fortunately
Obviously
Suddenly
Eventually

Answers

Answer:

suddenly

Step-by-step explanation:

Answer:

Suddenly is the answer

Step-by-step explanation:

Suddenly is a quickly and without warning or unexpectedly.

Example:Suddenly I heard a loud scream.

Select the reason why these triangles are
similar. If they are not, select "Not similar."
2.5
1
0.5
2.25
A. AA
B. SAS
C. SSS
D. Not similar

Answers

Answer:

D

Step-by-step explanation:

1/2 is not equal to 1/2.5 is not equal to 0.5/2.25.

NO LINKS!! Please help me with this problem​

Answers

Answer:

Mix A is 2 unitsMix B is 1 unitMix C is 3 units

Step-by-step explanation:

Let amount of Mix A is a, Mix B is b, Mix C is c.

With the given details, we get the following system

5a + 6b + 4c = 284a + 2b + c = 133a + 4b + 4c = 22

Find the value of c (the easiest one) for substitution

c = 13 - 4a - b

Substitute c into the first equation

5a + 6b + 4(13 - 4a - 2b) = 285a + 6b + 52 - 16a - 8b = 28- 11a - 2b = 28 - 5211a + 2b = 24      (5)

Substitute c into the third equation

3a + 4b + 4(13 - 4a - 2b) = 223a + 4b + 52 - 16a - 8b = 22- 13a - 4b = 22 - 5213a + 4b = 30       (6)

Double the equation (5) and subtract (6), find the value of a

2(11a + 2b) - 13a - 4b = 2(24) - 3022a - 13a = 48 - 309a = 18a = 2

Find b

11*2 + 2b = 2422 + 2b = 242b = 2b = 1

Now find c

c = 13 - 4*2 - 2*1 c = 13 - 8 - 2c = 3

33. Use formulas to find the lateral area and surface area of the given prism. Round your answer to the nearest whole number.
505 m² :519 m ²
505 m ²: 533 m ²
497 m ²: 519 m ²
497 m ²: 533 m ²

Answers

Answer: ⬇️⬇️⬇️⬇️

Lateral area = 505 m² ; Surface area =  519 m²


Hope I helped

Lateral area = Perimeter x height  

Lateral area = (2 + 7 + 7.28) x 31 = 16.28 x 31 = 505 m²

Surface area = 2(1/2 x 2 x 7) + 505  = 519 m²

Answer: Lateral area = 505 m² ; Surface area =  519 m²

Trey earned $23, $26, $25, $24, $23, $24, $6, $24, and $23 in tips working at a deli. Find the mean of the amounts of tips he earned.

Answers

Answer:22

Step-by-step explanation:

23 plus 26 plus 25 plus 24 plus 23 plus 24 plus 6 plus 24 plus 23= 198 so count how many numbers there are we had to add so its 198 divided by 9 gives you the answer  22

Use this information to answer the questions.

You are helping plan your sister's wedding. You decide to help set up a night to prepare the decorations and gift bags, but worry it all won't get done and you will be stuck doing the rest by yourself. Use the information below to help you know how long it will take to get everything done.

Question 1: You plan to have 2 people work on each task. How would you pair them up to complete each task in the shortest amount of time? Explain using rational expressions.

Question 2: What is the shortest amount of time it would take to complete all the tasks? If you know people have to leave your house by 9pm, what time should they come over to get started? Explain using rational expressions.

Answers

The best pairing to complete the task in the shortest amount of time is You and Aunt 1 and it would take them 30 minutes.

What is the Shortest Amount of Time?

This represents the fastest time it takes for a person to execute a task.

The time needed for all tasks for You is:

2.5 + 5 + 1.5 = 9 hours

The time needed for all tasks for Aunt 1 is:

1.5 + 4 + 3= 8.5 hours.

9 - 8.5 = 0.5 hours

= 30 minutes

The shortest amount of time to complete all tasks is 8.5 hours by Aunt 1

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mZR
R
S
10x - 8
98 °
12x + 4
Q
T

Answers

Answer:

Please clarify what you asking

Step-by-step explanation:

*
Drag each graph to show whether it is a function of x or not a function of x. If there is
not enough information to tell

Answers

By using the vertical line test, we conclude that graphs 4 and 5 don't represent functions.

Which of the shown graphs are not functions?

The criteria to know when a graph represents or not a function, is to draw a vertical line and see if the line intersects the graph in more than one point. (This is called the vertical line test).

If you do that with graphs 4 and 5, you will see that these two do not represent functions.

For the other graphs is immediate to know that:

graph 1: represents a linear function.graph 2: represents a constant linear function.graph 3: represents a quadratic function.graph 6: represents a piecewise function.

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What is the volume of a cylinder, in cubic centimeters, with a height of 7 centimeters and a base diameter of 18 centimeters? Round to the nearest tenths place

Answers

Answer:

the answer is 126 cm

sana makatulong

please help now. I will give brainly and 100 points!

Suppose a soup can has a height of 6 inches and a radius of 2 inches. In terms of π, how much material is needed to make each can?

A) 21π in²
B) 32π in²
C) 35π in²
D) 40π in²

Answers

Answer:

Volume in terms of pi is 24

Step-by-step explanation:

formula for volume is pi x radius squared x height

3.14 x [tex]2^{2}[/tex] x 6=

75.36 then divide by pi

75.36/3.14=24pi in[tex]^{2}[/tex]

Enter the range of values for x:
2x-4
10
45
60
2

Answers

Answer:

the answer is 0

Step-by-step explanation:

2x-4

putting 10

2x10-4

20-4

=16

putting 45

2x45-4

90-4

=86

putting 60

60x2-4

120-4

=116

putting 2

2x2=4

4-4=0

2.* Use the slope (m) and y-intercept (b)
to describe the system.
(1) x + y = -1
(2) -x - y=-1
F. Intersecting lines
G. Same lines, m > 0
H. Same lines, m < 0
J. Parallel lines, m > 0
K. Parallel lines, m < 0

Answers

Answer:

the answer is for this particular problem is F

What is an equation of the line that passes through the points (3,6) and (1,−2)?

Answers

Answer:

y = 4x - 6

Step-by-step explanation:

Hi there!

We are given the points (3,6) and (1, -2), and that a line passes through these 2 points

We want to find the equation of said line

There are 3 ways to write the equation of the line:

Slope-intercept form, which is y=mx+b, where m is the slope and b is the y interceptStandard form, which is ax+by=c, where a, b, and c are integer coefficients but a and b cannot be equal to 0, and a cannot be negative Slope-point form, which is [tex]y-y_1=m(x-x_1)[/tex], where m is the slope and [tex](x_1, y_1)[/tex] is a point

The  most common way is slope-intercept form, so let's write the equation of the line this way

First, we need to find the slope

The slope (m)  can be found using the formula [tex]\frac{y_2-y_1}{x_2-x_1}[/tex], where [tex](x_1, y_1)[/tex] & [tex](x_2, y_2)[/tex] are points

Before we calculate, let's label the values of the points.

[tex]x_1=3\\y_1=6\\x_2=1\\y_2=-2[/tex]

Now substitute into the formula

m=[tex]\frac{y_2-y_1}{x_2-x_1}[/tex]

m=[tex]\frac{-2-6}{1-3}[/tex]

Subtract

m=[tex]\frac{-8}{-2}[/tex]

Divide

m= 4

The slope of the line is 4

Substitute 4 as m in y=mx+b:

y = 4x + b

Now to find b

Since the equation passes through both (3,6) and (1, -2), we can use either point to help solve for b.

Taking (3,6) for example:

Substitute 3 as x and 6 as y.

6 = 4(3) + b

Multiply

6 = 12 + b

Subtract 12 from both sides

-6 = b

Substitute -6 as b into the equation

y = 4x - 6

Hope this helps!

Topic: finding the equation of the line

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A news report suggested that an adult should drink a minimum of 4 pints of water per day. based on this report determine the minimum amount of water an adult should drink, in fluid ounces, per week.

Answers

Answer:

448 fl oz/week

Step-by-step explanation:

1 week = 7 days

4 pints per day × 7 days/week = 28 pints per week

1 pint = 16 fl oz

28 pints/week × 16 fl oz/pint = 448 fl oz/week

If an alcohol and an organic acid are chemically combined, the resulting compound is called a (an)
a. ester.
b. halogen derivative.
C. lipid.
d. aromatic hydrocarbon.​

Answers

It’s a) which is ester

PLEASE HELP ASAP
prove the identity:
sec x sin x
—————— =sin^2x
tan x+cot x
Options in pic

Answers

Answer:

See below

Step-by-step explanation:

[tex]\displaystyle \frac{\sec x\sin x}{\tan x+\cot x}\\\\=\frac{\frac{1}{\cos x} \sin x}{\frac{\sin x}{\cos x} + \frac{\cos x}{\sin x}}\\ \\=\frac{\frac{\sin x}{\cos x} }{\frac{\sin x \sin x}{\cos x \sin x} + \frac{\cos x \cos x}{\cos x \sin x}}\\\\=\frac{\frac{\sin x}{\cos x} }{\frac{\sin^2 x}{\cos x \sin x} + \frac{\cos^2 x}{\cos x \sin x}}\\\\=\frac{\frac{\sin x}{\cos x}}{\frac{\sin^2 x+\cos^2 x}{\cos x \sin x} }\\ \\=\frac{\frac{\sin x}{\cos x} }{\frac{1}{\cos x \sin x} }[/tex]

[tex]=\frac{\sin x}{\cos x}\cdot \sin x \cos x\\ \\=\frac{\sin x \sin x \cos x}{\cos x}\\ \\=\sin^2x[/tex]

Thus, the identity is proven. Match the options up accordingly to my step-by-step process.

Whats the sum of integers from -100 to 30

Answers

Answer:

-4585

Step-by-step explanation:

the distance on the map between the treasures hidden in block A2 and block A3 is 35mm. if the scale on the map is 1:500 ratio, what is the actual distance between the two hidden treasures?

Answers

The actual distance is: 17500mm

What is a map scale?

A map scale is used to show the relationship between the distance on the map and the distance on the earth.

Analysis:

The scale 1:500 is a reduction scale, it means every 1 mm on the map represents 500mm on the ground

So if 1mm on the map represents 500mm on the ground, then 35mm on the map would be 500 x 35 = 17500mm

In conclusion, the actual distance between the two hidden treasures is 17500mm.

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A store employee conducted a survey of 325 randomly selected customers. According to the survey, 212 of the customers often use the app to shop. Get app | Meijer How many people would you expect to use the app if all 2,000 people in the community visited the store?

Answers

The number of people out of 2000 expected to use the app will be 1300.

What is a survey?

A survey is a research method used for collecting data from a predefined group of respondents to gain information and insights into various topics.

It is given that:-

A store employee conducted a survey of 325 randomly selected customers. According to survey 212, customers often use the app to shop.

We need to find the data for 2000 people who visited the store.

So the percentage of the people who are using the app will be calculated as:-

[tex]= \dfrac{212}{3254}=65\%[/tex]

So the number of the people out of 2000 will be:-

[tex]N\ = 2000\times \dfrac{65}{100}=1300\ \[/tex]

Hence the number of people out of 2000 expected to use the app will be 1300.

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2*5-1/2*10*9 answer will be 45

Answers

Sure if that’s the case

A computer generates 90 integers from 1 to 8 at random. The results are recorded in this table. Outcome 1 2 3 4 5 6 7 8 Number of times outcome occurred 26 8 10 12 8 6 9 11 What is the experimental probability of the computer generating a 3 or a 5? 9% 20% 18% 40%

Answers


its 20% (I took the test I chose 185 but I reviewed it and it said the answer was 20%)

Answer:

20%

Step-by-step explanation: I took the test

Suppose Marco draws a cross-section of the cube shown below and the result is a triangle. Describe how Marco could have sliced the cube to produce a triangular cross-section.

Answers

If he slices the cube so that the smaller piece only includes one of the original corners the cross section will be a triangle.

The biggest triangle he can get is by cutting along the diagonals of the three visible faces.

Which three side lengths best describe the triangle in the diagram?

Answers

Answer:

Option C . 6 cm , 8 cm and 10 cm

Step-by-step explanation:

Question : Which three side lengths best describe the triangle in the diagram?

Solution :

As we can clearly see measurement of the scale [ refer to attachment ]

In Triangle ABC

AC = 6 cm CB = 10 cmAB = 8 cm

Therefore option C is Correct.

Select ALL the expressions that have a value of 2² – 3³ + 29.
1. (78 ÷ 3) – 24
2. 83 – 14 × 62 – 2
3. –|–6|
4. |–6|
5. 72 – 3.1 – 19 × 2.1

Answers

There is no expression that is the same as the value of 2² – 3³ + 29 which is = 2.

Simplification of the given expression

To simplify the expression 2² – 3³ + 29. is as follows:

2² – 3³ + 29 = 4- 9+29

= 29 -5

= 24

(78 ÷ 3) – 24. To simplify is = 78/3=26-24 = 2 (false)

83 – 14 × 62 – 2. To simplify is = 69- 60 = 9 (false)

–|–6|. To simplify is -(-6) = +6( false)

-6( false)

72 – 3.1 – 19 × 2.1: To simplify is = 49.9×2.1 = 104.79 (false)

Therefore, there is no expression that is the same as the value of 2² – 3³ + 29. which is 2.

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PLEASE HELP ME WITH THIS!! I NEED HELP

Answers

Answer:

It would be d

Step-by-step explanation:

Its d because its in a staright line

Answer:

D.

Step-by-step explanation: the rest are either non-linear , have no correlation, have a curvilinear relationship, or have no association.

PLS HELP ME

1. What is the length of (AB)?


2. What is the length of (BC)?


3. What is the perimeter of this rectangle?

Answers

The length of AB is 4.12 units, length of BC is 8.25 units and Perimeter of rectangle ABCD is 24.74 units.

What is Perimeter of Rectangle?

The perimeter of a rectangle is the total distance of its outer boundary. It is twice the sum of its length and width and it is calculated with the help of the formula: Perimeter = 2(length + width).

Here,

A (-3, 3) and B (1, 4)

then, Length of AB = [tex]\sqrt{(x_{2}-x_{1})^2+(y_{2}-y_{1})^2 }[/tex]

                               = [tex]\sqrt{(1-(-3))^2+(4-3)^2 }[/tex]

                               = [tex]\sqrt{4^2 + 1^2}[/tex]

                               = [tex]\sqrt{17}[/tex] units.

                               = 4.12 units

B (1, 4) and C (3, -4)

then, Length of BC = [tex]\sqrt{(x_{2}-x_{1})^2+(y_{2}-y_{1})^2 }[/tex]
                                = [tex]\sqrt{(3 - 1)^2+(-4 - 4)^2 }[/tex]

                                = [tex]\sqrt{4 + 64}[/tex]

                                = [tex]\sqrt{68}[/tex]

                                = 8.25 units

Perimeter of Rectangle = 2 ( AB + BC )

                                        = 2 ( 4.12 + 8.25 )

                                        = 2 X 12.37

                                        = 24.74 units

Thus, the length of AB is 4.12 units, length of BC is 8.25 units and Perimeter of rectangle ABCD is 24.74 units.

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Students measured the length of different earthworms using centimeters (cm).The lengths were:

14 cm, 12.5 cm, 13 cm, 18 cm, 17 cm, 16.75 cm, 19 cm, 12.5 cm, 15 cm

If the students were asked to describe the difference in length of the worms, which answer would be best and why? (5 points)

Group of answer choices

6.5 cm; this is found by determining the range which is found by finding the difference between the greatest length and the least length

12.5 cm; this is found by determining the mode which is found by finding the number that occurs most frequently in a data set

15 cm; this is found by determining the median which is found by ordering the numbers from least to greatest and finding the middle number

15.3 cm; this is found by determining the mean which is found by finding the sum of all of the lengths and dividing by the total number of worms

Answers

The correct option regarding the difference in the length of the worms is given by:

6.5 cm; this is found by determining the range which is found by finding the difference between the greatest length and the least length.

What is the range of a data-set?

It is given by the difference of the highest value by the lowest value in the data-set.

In this problem, the difference is exactly what we want to estimate, hence we need to consider all measures(which removes the mode and the median), and find the largest lowest and the highest, which is the range, hence:

19 cm - 12.5 cm = 6.5 cm.

Which means that the correct option is given by:

6.5 cm; this is found by determining the range which is found by finding the difference between the greatest length and the least length.

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Find the value of x
A 20
B 60
C 50
D 45
E 30

Answers

Answer:

the answer is letter E.

see the attachment.

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