wer...
Correctly multiply (3x + 7) (7x + 5)
Then find the sum of the coefficients of your solution.

Answers

Answer 1

Answer:

The sum of the coefficients is 85.

Step-by-step explanation:

(3x + 7)(7x + 5)
3x * 7x is 21x^2
3x*5 is 15x

7 * 7x is 49x

7 * 5 is 35

21x^2 + 15x + 49x + 35

So the answer is 21x^2 + 64x + 35

Add the coefficients: 21 + 64 = 85


Related Questions

please help me .....

Which number is not an appropriate result?
A - a shopping receipt that totals $4.90

B - a soccer game where the average score is 4.7

C- a stack of 15.6 watermelons

D- a classroom with 24 students

Answers

Answer:

C - a stack of 15.6 watermelons

Step-by-step explanation:

Lets first go through each option:

"A shopping receipt that totals $4.90":

This is an appropriate answer since many items sold are not priced at exact dollars (where there are no cents), so having $4.90 as the total cost after shopping is appropriate.

"A soccer game where the average score is 4.7":

This is also an appropriate result since it is the average score of a soccer game, so finding a decimal is appropriate.

"A stack of 15.6 watermelons":

This is not an appropriate result since it would be strange to say a 'stack' or group of something that is not a whole number.

"A classroom with 24 students":

This is an appropriate result since the number of students is a whole number not a decimal.

Hope this helps :)

Find the area of a sector of a circle whose diameter is 21 cm and whose central angle is 10 degrees

Answers

Answer:

Area 38.484510 dm^2 (square decimeters)

Step-by-step explanation:

CAN SOMEONE PLEAEE HELP ????!!!!!! I will mark Brianliest !!!!!!!!!!!!!!!!!!

Answers

Answer:

I don't know if I'm correct but the answer is 6.

Step-by-step explanation:

I'm not 100% correct, but you set the other two angles to add to each other then set it equal to angle QRS and i got x=6.

Your equation should be like this: 3x + 17 + 2x +21 = 10x -1

than you solve form there

I;m not sure that this is the correct answer and maybe i'm wrong, but hope this helps

Answer:

59°

Step-by-step explanation:

According to the given description, [tex] \angle QRS[/tex] is the exterior angle of [tex] \triangle PQR[/tex]

So, by exterior angle property of a triangle, we have:

[tex] m\angle QRS=m\angle RPQ+m\angle PQR\\\\

(10x - 1)\degree = (3x +17)\degree+(2x +12)\degree\\\\

(10x - 1)\degree = (3x +17+2x +12)\degree\\\\

(10x - 1)\degree = (5x +29)\degree\\\\

(10x - 1)= (5x +29)\\\\

10x - 5x = 29 + 1\\\\

5x = 30\\\\

x = \frac{30}{5}\\\\

x = 6\\\\

\because m\angle QRS = (10x - 1)\degree \\\\

\therefore m\angle QRS = (10\times 6- 1)\degree \\\\

\therefore m\angle QRS = (60- 1)\degree \\\\

\huge\orange{\boxed{\therefore m\angle QRS = 59\degree }}\\

[/tex]

What is the slope of the line passing through the points (-3, 4) and (2,
-1)?


I will give brainilist to correct answer

Answers

Use slope formula and get slope is -1

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Answers

Answer:

eeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeee

Step-by-step explanation:

A skateboarder travels at a sleady rate of 15 feet per second. After 4 minutes, how far will the skateboarder have traveled?

Answers

Answer:

: 3,600 feet

Step-by-step explanation:

15 x 60 x 4

Answer: 60 feet

Step-by-step explanation:

you would do 15x4 and you would get 60

10x – 2 – 6x = 3x – 2 + x
A. one solution
B. no solutions
C. infinitely many solutions

Answers

Answer:

C

Step-by-step explanation:

4x-2=4x-2

when u simplify the equations you get 4x-2=4x-2 therefore they are the same line which results in infinitely many solutions.

(pls mark brainliest)

Answer:

there is one solution

Step-by-step explanation:

Khbsbdbd AHAHAHAHA s

Answers

That makes sense.
School is stressful.
But you got this, though.
You’re doing a fabulous job.
Proud of you.

A teacher spends $25.00 at a store for a pens and y notebooks. The store charges $2.50 for every pen and $5.00 for each notebook.
Which graph represents the situation

Answers

Answer:ok so yes the answer is the one you selected because 25.00 devided by 2.50 is 10 and 5 devided by 25 is 5 or you could go like 2.50 times 10 is 25 and 5 times 5 would be 25

Step-by-step explanation:10 pens to 5 notebooks

Please Help! Ratio question!

Answers

Answer:

10

Step-by-step explanation:

divide 1800 by 20 and 1800 by 18 and find the difference

Divide 2000 and then add what you get from that and that’ll be your answer

The owner of a used car lot wants to buy many cars at an auction as he can while not spending more than $20000. If he expects the average price to be $4000, how many would he expect to be able to buy?

Answers

Answer:

5

Step-by-step explanation:

Given that:

Total maximum amount that the owner wishes to spend = $20000

Average price of each car = $4000

To find:

How many cars that the owner can expect to buy?

Solution:

Total number of cars that the owner can expect to buy can be found by dividing the total money available with the owner with the average price of each car.

i.e.

[tex]\text{Number of cars expected to be bought} = \dfrac{\text{Total money available with the owner}}{\text{Average Price of car}}[/tex]

We have the following values as given in the question statement:

Total money available = $20000

Average price of car = $4000

Therefore, the answer is:

[tex]\text{Number of cars expected to be bought} = \dfrac{20000}{4000} = \bold{5}[/tex]

The owner can expect to buy 5 number of cars.

Simplify.
Rewrite the expression in the form a^n
α· α· α· α· α· α· α
α· α· α· α· α· α
=

Answers

a^13 is the answer because there are thirteen “a”s that you are multiplying together.

A fruit stall sells three kinds of fruits - apples, oranges and pears. At the end of the day, they amount of money earned from selling apples and oranges is $372, while the amount of money earned from selling apples and pears is $480. The ratio of the money earned from oranges and pears is 1 : 4. How much money did the fruit stall earn from the apples?

Answers

The fruit stall earns 96 dollars from the apples.

How to find how much money the fruit stall earn from the apples?

The fruit stall sells three kinds of fruits which are apples, oranges and pears.

Therefore,

The amount of money earned from selling apples and oranges is $372.

The amount of money earned from selling apples and pears is $480.

The ratio of the money earned from oranges and pears is 1 : 4

Therefore,

let

x = amount earned on apples

y = amount earned on oranges

z = amount earned on pears

Therefore,

x + y = 372

x + z = 480

The ratio of  the money earned from oranges and pears is 1 : 4. Hence,

x : z

x : 4x

where

z = 4x

Therefore,

x + 4x = 480

5x = 480

x = 480 / 5

x = 96 dollars

Therefore,  the fruit stall earns 96 dollars from the apples.

learn more on ratios and earning here: https://brainly.com/question/28307644

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1) Find the missing side length.
х
12 in.
18 in.

Answers

Answer:

x = 6[tex]\sqrt{5}[/tex]

Step-by-step explanation:

Using Pythagoras' identity in the right triangle.

The square on the hypotenuse is equal to the sum of the squares on the other 2 sides, that is

x² + 12² = 18²

x² + 144 = 324 ( subtract 144 from both sides )

x² = 180 ( take the square root of both sides )

x = [tex]\sqrt{180}[/tex]

  = [tex]\sqrt{36(5)}[/tex]

   = [tex]\sqrt{36}[/tex] × [tex]\sqrt{5}[/tex]

   = 6[tex]\sqrt{5}[/tex] ← exact value

Please help answer!!! I am so lost
3. use the diagram shown to calculate m

Answers

Answer: 131

Step-by-step explanation:

The angle A inside the triangle is

180-162 = 18 degrees

The measure of angle N inside the triangle is

180 -  149 = 31 degrees

Now, since we have the inside angles we can find ang P

Inside Ang A + Inside Ang N + Ang P = 180

18 + 31 + P = 180

49 + P = 180

P = 180 - 49

P = 131 degrees

What is the quotient of StartStartFraction 90 (cosine (StartFraction pi Over 4 EndFraction) + I sine (StartFraction pi Over 4 EndFraction) ) OverOver 2 (cosine (StartFraction pi over 12 EndFraction) + I sine (StartFraction pi Over 12 EndFraction) ) EndEndFraction ?


45 (cosine (StartFraction pi Over 3 EndFraction) + I sine (StartFraction pi Over 3 EndFraction) )

88 (cosine (StartFraction pi Over 3 EndFraction) + I sine (StartFraction pi Over 3 EndFraction) )

45 (cosine (StartFraction pi Over 6 EndFraction) + I sine (StartFraction pi Over 6 EndFraction) )

88 (cosine (StartFraction pi Over 6 EndFraction) + I sine (StartFraction pi Over 6 EndFraction) )


I think it's c/the third option

Answers

Answer:

The answer is C

Step-by-step explanation:

Answer:C

Step-by-step explanation:

got it right on edge2022

What is the answer to 500(59+38)/250?

Answers

the answer is 194 because you multiply 59 and 500 and then 38 and 500 you then get 29,500 plus 19,000 divided by 250 you add the two together and get 48,500 divided by 250 and end up with 194
Answer: 194..................

Velma needs to crate 59 watermelons. If she can fit 7 watermelons in each crate, how many crates does she need?

Answers

Answer:

The answer would be nine

Explanation:

59 divided by 7 is 8 with 3 remaning but all must be included so you have anothr crate for the remaining the and sice 8+1=9. Velma needs 9 crates. Hope this Helps!!

what does n+6 mean as a phrase

Answers

This is an expression

This means that there is no answer, n+6 is as is until given more information

Is this the right answer?

Answers

Yep pretty sure!!!!!

The location of Sam's house, the library, and the gas station are shown on the map below.
Based on the map, what is the shortest distance, to the nearest tenth, from the Library to the Gas Station if each unit represents one mile?

Answers

It is found that location of Sam's house is at a distance of approximately 8.062 meters far from the gas station.

What is the distance between two points ( p,q) and (x,y)?

The shortest distance (length of the straight line segment's length connecting both given points) between points ( p,q) and (x,y) is:

D = √[(x-p)² + (y-q)²]  

Sam's house S(x, y) = (2, -4)

Library L(x, y) = (-5 , 2)

Gas station  G(x, y) = (3, 4)

The distance d, in miles, is determined by the line segment distance formula:

D = √[(x-p)² + (y-q)²]  

It is used in an operation known as dot product.

Then the distance between Sam's house and the Gas station is:

D = √[(2 - 3)² + (-4 -4)²]  

D = 8.062 meters

Hence, The location of Sam's house, is at a distance of approximately 8.062 meters far from the gas station.

Learn more about distance between two points here:

brainly.com/question/16410393

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The Complete question is described below:

The location of Sam's house, the library, and the gas station is shown on the map below. What is the distance from Sam's house to gas station? The coordinate of each location are presented below: (Distances are given in miles)

An ice cream cone is shown. What is the volume of the ice cream cone? Use 3.14 for x

A. 310.86cm3
B. 34.54cm3
C. 103.62cm3
D. 414.48cm3

Answers

C 85% sure... ✌

Sorry If it’s wrong, I tried my best

Answer:

C. 103.62cm^2

Step-by-step explanation:

Volume of a cone:

πr^2h/3

= 3.14(3)^2(11)/3

= 28.26(11)/3

= 310.86/3

= 103.62

The sum of the squares of two different numbers is less than or equal to 49. Twice one of the numbers squared is less than the other number. Which system of inequalities represents these criteria?

Possible answers:
x^2 + y^2 ≤ 49 and 2x^2 < y
x^2 + y^2 ≥ 49 and 2x^2 < y
x^2 + y^2 ≤ 49 and x^2 < 2y
x^2 + y^2 ≥ 49 and x^2 < 2y

Answers

This system of inequalities represents is x² + y² ≤ 49 and 2x² < y

What is inequality?

Inequality is the defined as mathematical statements that have a minimum of two terms containing variables or numbers is not equal.

Let the numbers x and y,

According to 1st condition,

The sum of the squares of two different numbers is less than or equal to 49 :

x² + y² ≤ 49

According to 2nd condition,

Twice one of the numbers squared is less than the other number :

2x² < y

Hence, this system of inequalities represents is x² + y² ≤ 49 and 2x² < y

Learn more about inequalities

https://brainly.com/question/20383699

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Can you add 4b + 4m? How do you know? What is this called?

Answers

Answer: [ number 1 & 2are a rule of sequence ] 1: Write a rule for the sequence. 2,6,10,14 a; start with two and subtract four repeatedly b; start with four and add two repeatedly ** c; start with two and add four repeatedly d; start with two and add one , add two.

Step-by-step explanation:

Answer:

You can’t add both terms because the coefficients are multiplying different variables. It’s like trying to add apples and oranges together. They are two different things. So is this situation, variables b and m are two different things. Therefore you can’t add them together. This means that you can’t simplify the expression any further. This also means that you can’t combine like terms, because the two terms are unalike.

Hope this helps! :)

Helppppppppppppppppppppppp

Answers

Answer:

-1 5/6

Step-by-step explanation:

-2/3 + (-1 1/6)

Look carefully at he number line. Each space between whole numbers is divided into 6. That means that from one mark on the line to the very next one, the distance is 1/6.

Start at -2/3. Since we are dealing with 1/6's, convert -2/3 to 6ths.

-2/3 * 2/2 = -4/6

-2/3 is the same as -4/6, so start at -4/6. Locate 0 on the number line, and move 4 marks to the left. That is -4/6 which is the same as -2/3 and is your starting point.

Now you need to add -1 1/6. Adding a negative number is the same as subtracting a positive number. Adding -1 1/6 is the same as subtracting 1 1/6. That means you need to go left 1 1/6. Since each unit is divided into 6 equal parts, 1 1/6 is 7 marks on the number line. Starting at -4/6, count 7 marks to the left. Where you end up is the answer which is -1 5/6.

Answer: -2/3 + (-1 1/6) = -1 5/6

sin70° sin130° sin170°=1/8​

Answers

Sin 10° Sin 50° sin 70° = 1/8
Now we multiply upper & bottom both side 2/2

then

➡ 1/2 (2sin 10° sin50° 70°)

➡ 1/2 sin10°( 2sin70° sin50°)

we know that
2 sinA sinB = cos (A-B) - cos (A+B)

Then

➡ 1/2 sin 10° ( cos 20° - cos 120°)

➡ 1/2 sin 10° ( cos 20° - cos (90°+30°))

➡ 1/2 sin 10° ( cos 20° +1/2)

➡ 1/2 sin 10° cos 20° +1/4 sin 10°

again we multiply both upper & bottom side 2/2 so

➡ 1/4 ( 2 sin 10° cos 20°). + 1/4 sin 10°

we know that
2 sinA cos B = sin (A+B) - sin (A- B)

➡ 1/4 (sin 30° - sin 10°) + 1/4 sin 10°

➡ 1/4 sin 30° - 1/4 sin 10° + 1/4 sin 10°

we know sin 30° = 1/2

➡ 1/4 × 1/2

➡ = 1/8 hence proved

Find the sum.
3(2 – 0.9h) +(-1.3h – 4) =

Answers

Answer:

i believe your answer is... -1.3h - 0.7

Step-by-step explanation:

Answer:

1.3h and mievdhevev

Step-by-step explanation:

bjsjsbfvaidbcrbsi

how do you solve graphs and make an equation from a line on a graph?​

Answers

Ans: To find the equation of a graphed line, find the y-intercept and the slope in order to write the equation in y-intercept (y=mx+b) form. Slope is the change in y over the change in x. Find two points on the line and draw a slope triangle connecting the two points.

Always start on the y-axis.

rise/run

First things first, you have to know your positives, negatives, zeros, and undefined.

To make an equation from the graph you have to know your formula.

y=mx+b

You do the rise first. The rise on the graph is 3. The run is 2. So, that'll make it 3/2. m=slope.

b=y-axis. b=1.

y=3/2x+1 (Example from the image)

convert 18 1/10 into a decimal.

Answers

Answer:

the answer is 18.1 1/10 is the same thing as .1

Which expressions are equivalent to 3.64? Check all that apply. 1 36.4 + 10 36.4 x 10 0 0.0364 x 100 [(3 x 1) + (6 x 0.1) + (4 x 0.01)] x 100 O (3 x 1) + (6 * 0.1) + (4 0.01)​

Answers

Answer:

0.0364 × 100

and

[(3×1)+(6×0.1)+(4×0.01)

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