Find the value of the sum ∑j=131(6j2−7j+4)

j
=
1
31
(
6
j
2

7
j
+
4
)
. Use a summation formula, if possible.

Answers

Answer 1
I don’t know but I really need answers
Answer 2
I think that’s sum numbers like 1+3

Related Questions

I need help question istheimage attached

Answers

Answer:

length= 35 feet and width= 10 feet

Step-by-step explanation:

You are given the perimeter of the rectangular deck is

90 feet.

2 x length + 2 x width = 90 You are also given that the deck's length is 5 feet less than 4 times it's width. That is length = 4 x width - 5

Those two equations are your system of linear equations. The second equation can be plugged into the first equation. This gives us an equation entirely in terms of width.  

2x (4 x width - 5) + 2 x width =90

Distribute the 2 though

8 x width - 10 + 2 x width = 90

Combine like terms with width.

10 x width - 10 = 90

Add 10 to both sides.

10 x width = 100

Divide both sides by 10 width = 100

Now you can plug width into your original equation for length above. Recall: length = 4 x width - 5

Length = 4 x 10 - 5

Length = 40 - 5

Length = 35

length is 35 feet and width is 10 feet

Thank you pls don’t send any links

Answers

Answer:

Option 4: 10d + 5

Step-by-step explanation:

Given the algebraic expression, 5(2d + 1), which represents the fines per day, d, for overdue books.

In order to determine the equivalent algebraic expression of 5(2d + 1), we must distribute 5 into the terms inside the parenthesis:

5(2d + 1)

= 5(2d) + 5(1)

[tex]\fbox{\textsf{= 10d + 5 }}[/tex]

Therefore, the equivalent expression is: 10d + 5.

10d+5 I know it is you will get it right
Yessssssss

Better picture lol, but pls help it's due tmr

Answers

1. The second shape is multiplied by 2

2. The second shape is multiplied by 3

3. they are not similar

4. not similar

5. i don’t think it’s similar

6. angle L and N were subtracted by 10 and angle K and M were added by 10



I’m not too sure about this sorry if it’s wrong!

Answer:

1) Not Similar. 2/6 does not equal 6\12

2) Yes. 5/3 = 15/9

3)Yes. 10/30=8/24

4) Not Similar. 13/16 does not equal 16/21.

5) Not Similar. 28/48 and 42/36 do not reduce to the same value.

6)No. The angles are not the same.

Step-by-step explanation:

Ask yourself, is it proportional? Two triangles are said to be similar if their corresponding angles are congruent and the corresponding sides are in proportion.

In other words, ifthe corresponding sides reduce down to the same value, they are similar.

jacob collects hats.he has 6 hats already and collects 2 more hats each week. how many weeks does it take for Jacob to collect 32 hats?

Answers

It would take thirteen weeks to collect 32 hats.
it takes 13 weeks for jacob to collect 32 hats

this is the last question for the day I promise!!!!

Answers

Answer:

I think the answer is 13

Step-by-step explanation:

The answer is 13 hope this helps

A dugout needs to reach at least 72 feet below ground level. This means it needs to be more than 4 1/2 times its current depth. This depth is represented by the inequality 4 1/2 d < -72, where d is the current depth of the dugout.

The current depth of the dugout is ________ area feet below ground level.

Greater than 16


Fewer than 16


Greater than -16


Fewer than -16

Answers

Answer:

The answer i got is this -16 2/3, which i think is greater than -16

The ongoing profundity of the hole is less than the negative region feet subterranean level. Then the right choice is D.

What is inequality?

Inequality is defined as an equation that does not contain an equal sign. Inequality is a term that describes a statement's relative size and can be used to compare these two claims.

A hole needs to arrive at no less than 72 feet subterranean level. This implies it should be multiple 1/2 times its ongoing profundity. This profundity is addressed by the imbalance 4 ¹/₂ d < - 72, where d is the ongoing profundity of the burrow.

4 ¹/₂ d < - 72

Simplify the inequality, then we have

4 ¹/₂ d < - 72

4.5d < - 72

d < - 72 / 4.5

d < - 16

The ongoing profundity of the hole is less than the negative region feet subterranean level. Then the right choice is D.

More about the inequality link is given below.

https://brainly.com/question/19491153

#SPJ2

Hellppp meeeeeeee PLEASEEEEE:c.

Answers

Answer is -11.95

You can give the unknown value as x to make things easier

( x + 1.75 ) / 2 = -5.1

Find the value of x:

x + 1.75 = –5.1 x 2
x + 1.75 = -10.2

x = -10.2 – 1.75
x = -11.95

Not sure abt the simplified mixed number sorry tho -11.95 gives an answer of -239/20 on a calc

Answer: Answer is -11.95

You can give the unknown value as x to make things easier

( x + 1.75 ) / 2 = -5.1

Find the value of x:

x + 1.75 = –5.1 x 2

x + 1.75 = -10.2

x = -10.2 – 1.75

x = -11.95

:)

Step-by-step explanation:

Kevin Jones worked 8 hours each day on Monday, Wednesday, and Friday. He is paid $7.75 per hour. Find his weekly gross pay.

Answers

Multiply 8 by 7.75 to get 62 then multiply by 3 to get 186 which is how much he gets paid per week

Answer:

he is paid 186$

Step-by-step explanation:

7.75 * 8 is 62 and 62 * 3 is 186

i hope this helps

PLSSS HELP ME IN THIS QUESTION IT IS SO HARD CHALLENGES

Answers

Answer:

Step-by-step explanation:

1. 300

2. 2100

3. 560

4. 2800

5. 1200

6. 240

300 2100 560 2800 1200 240 7200

Pls help me with some questions, so please answer 1 2 and 14 thank you!! Also this is due in 8 mins

Answers

Answer:

Answer B

Step-by-step explanation:

Answer: C (I think) and the slope is 2/5, the points on the graph are (0,0) (5,2) (10,4) (15,6)

Step-by-step explanation: Nothing is being multiplied in the equation like in the other two answers, and slope is always change in y/change in x

A chef needs to choose a pan that will allow food to cook as quickly as possible for a special recipe and has decided that he will use one of three pans. Each pan has the same dimensions and design but is made of a different type of metal. The chef will design an experiment that will test and rank the thermal conductivity of the pans by cooking a hamburger patty to an internal temperature of 170 °F in each pan on the same stove burner. The thermal conductivity is the rate of transfer of energy in the form of heat over a period of time through a material.
Describe how thermal conductivity can be measured and compared for each of the pans.

Answers

Answer:

234

Step-by-step explanation:

In pea plants, the gene for the color of the seed has two alleles. In the following Punnett square shown below, the dominant allele (Y) represents yellow and the recessive allele (y) represents green.

Based on the Punnett square, what percentage of offspring would be expected to have green seeds?

Screenshot below if u don't understand and the diagram :)

Answers

0% if you fill out the chart, it shows that there is a capital letter in each little box meaning it has at least one dominant. Dom covers Recessive

i want to sleep. (+20 points lol) question in image

Answers

i m sorry i dont know the answer

let me know if you need help

Answer:

a. 3

b. -10

Hope this helps! I told ya how to do it in comments.

(I choose to write this here because one of the previous answers were deleted, SO i was capable of submitting the answer!)

Two school groups go to a roller skating rink. One group pays $243 for 36 admissions and 21 skate rentals. The other group pays $81 for 12 admissions and 7 skate rentals. Let x represent the cost of admission and let y represent the cost of a skate rental. Is there enough information to find values for x and y? Explain.
thxs

Answers

Answer:

No

There are infinitely many solutions to the system.

{36x+21y=24312x+7y=81

Multiply the second equation by 3.

3(12x+7y36x+21y=81)=243

Subtract this new equation from the first equation.

36x+21y−(36x+21y0+0=243=243)=0 true

There are infinitely many values of x and y are possible.

What is the system of equations?

One or many equations having the same number of unknowns that can be solved simultaneously called as simultaneous equation. And simultaneous equation is the system of equation.

Given:

Two school groups go to a roller skating rink.

One group pays $243 for 36 admissions and 21 skate rentals.

The other group pays $81 for 12 admissions and 7 skate rentals.

Let x represent the cost of admission and let y represent the cost of a skate rental.

We have a system of equations,

36x + 21y = 243   {equation 1}

12x + 7y = 81        {equation 2}

Simplifying equation 1 we get,

36x + 21y = 243  

Divide by 3,

12x + 7y = 81      

That means, there are infinitely many solutions possible.

Therefore, there are infinitely many solutions possible.

To learn more about the system of equation;

brainly.com/question/13729904

#SPJ2

What must be the signs of the coordinate of the point in the graph?

The x coordinate must be? the graph is 4 by 4 the point is one unit to the left of x

The y coordinate must be?

Answers

Question: Hi, I could help you with this question, but is there a graph?

4,430 divided by 6= tysm whoever answer this question

Answers

Answer:

Step-by-step explanation:

4,430 divided by 6= 738.333333333

Answer:

738.333... = 738 1/3

Step-by-step explanation:

4,430 ÷ 6 = 738.333... = 738 1/3

Jerome's sister told him to multiply both the amount of water and the amount of drink
mix by the same number to keep the ratio of water to drink mix the same and still
increase the total amount of energy drink.
Complete the table below.
Original
Ratio

Answers

Answer:

×1 = 3 : 8.

×2 = 6 : 16

×3 = 9 : 24

×4 = 12 : 32

Step-by-step explanation:

Answer:

the answer is below

Explanation:

anya stocked her pond with 263 bass and 187 trout. 97 fish swam away in a flood how many fish are left

Answers

Answer:

353

Step-by-step explanation:

263 + 187 = 450

450 - 97 = 353

pls mark brainliest if this helped :)

353 fish would be the answer sorry if i’m wrong lol.

Which comparisons are true? Select all that apply.

A.
7
.
34
>
7
.
304
B.
1
.
628
>
1
.
63
C.
4
.
05
<
4
.
055
D.
9
.
103
<
9
.
13
E.
2
.
29
<
2
.
129

Answers

Answer:

A is true. C is true. D is true

Step by-step explanation:

a, c and d is all correct!!

Please help take your time. Sorry about bad pic i give bonus point.

Answers

Answer:

B C and D

Step-by-step explanation:

that your unit rate is gonna be 3 dollars for a pound because at one pound it is at 3 dollars.

when it hits 24 it is above the 8 in pounds so it will be 24 dollars for 8 ponds

it is non proportional relationship because the line does not cross back and touch the origin

Look at the question, please orginize it in a good manner. NO LINKS!

Answers

Answer:

for the first one its       right 2 down 5

for the second one its       right 5 down 2

for the third one its          left 2 up 5

i hope this helps pls tell me if im wrong

1) right 2 down 5

2) right 5 down 2

3) left 2 up 5

Easy 100 points if you do all five questions.
plz help

Answers

Answer:

What are the five questions

Step-by-step explanation:

Answer: Where are the questions??? Please write them in the reply so I can answer them.

5. Using the equation y=2x+5, construct a table and graph the line

Answers

Step-by-step explanation:

What you are going to do is for each value of x (which is the value to the right on the table) you will find the Y value.

So for X = 0

y = 2(0)+5 = 5

x = 1

y = 2(1)+5 = 7

x = 3

y = 2(3)+5 = 11

x = 5

y = 2(5)+5 = 15

x = 10

y = 2(10)+5 = 25

Now for what you do is place the correspanding value into the graph.

(x,y) = (0,5), (1,7), (3,11),(5,15),(10,25)

Answer: See the graph below.

Step-by-step explanation:

What is the value of 3x + 2y – x when x = -1 and y = 5?

Answers

Answer:

8

Step-by-step explanation:

3x + 2y -x

3*-1 + 2*5

-3+10-(-1)

7 +1 = 8

Hello! (:

3(-1)+2(5)-(-1)

-3+10+1

-3+11

8

Hope it helps!

[tex]SparklingFlower[/tex]

Helppppp someone answered the first half but I need the second half

Answers

Answer:

i think its 182 dollars

Step-by-step explanation:

$192 i think because if you add both the cost of the bike and helmet you get 192

Find each product. Enter your final answer as a simplified fraction. (− 23 ) (− 38 ) ( 89 ) The product is

Answers

Answer:

Negative 23 time negative 38 equals 552 because negative times negative gives positive

552 times 89 gives 49128

Step-by-step explanation:

The answer is positive 49128

Select all the points that are on the graph of the line 2x+4y=20.
1. (0,5)
2. 10,0)
3. (1,2)
4. (5,0)
5. (0,10)
6. (1,4)
I need this answered ASAP thank you!! please explain too!​

Answers

1.(0,5)
2.(10,0)
Are the points

what is the surface area of a right pyramid with a slant hight of 12 inches and a square base of 8 inches?

Answers

Answer:

96, hope this helps

Step-by-step explanation:

12 x 8 = 96

Select the locations on the number line to plot the points 2, 1, and −4 .

Answers

Answer:

-5-4-3-2-1 0 1 2 3 4 5

Step-by-step explanation:

Step-by-step explanation:

look at the picture

hope it helps you.

Write a function rule for the statement.

The output is the cube of the input.

y= ?

Answers

Answer:

my dad left

Step-by-step explanation:

hes gone and now i have no father and no milk

It is Y=mx + b thats the rule for the statment
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