IM BEING TIMEDDD PLEASE HELPPPPPP

Choose the correct simplification of (6x3 − 7x − 4) + (4x3 + 8x + 3). (5 points)

2x3 − 15x − 7
10x3 + x − 1
2x3 + 15x + 6
10x3 − x − 1

Answers

Answer 1

Answer:

10x^3 + x - 1

Step-by-step explanation:

(6x^3 -7x - 4) + (4x^3 + 8x + 3)

Combine like terms

6x^3 + 4x^3 = 10x^3

Combine like terms

-7x + 8x = x

Combine like terms

-4 + 3 = -1

Combine the results of the terms

10x^3 + x - 1


Related Questions

I need help if you help me I give you point

I need help if you help me I give you point

Answers

Any number with 3 in the tens place.

So, B.

Which of the following fractions have the same value as 16 ÷ (–3)? Check all that apply.
StartFraction 16 over negative 3 EndFraction
StartFraction negative 16 over negative 3 EndFraction
StartFraction negative 16 over 3 EndFraction
StartFraction 16 over 3 EndFraction
Negative (StartFraction 16 over 3 EndFraction)
Negative (StartFraction 16 over negative 3 EndFraction)

Find the quotient:

–20 ÷ 5 =

Answers

The fractions that have the same value as 16 ÷ (–3), include:

16 over negative 3negative 16 over 3Negative (StartFraction 16 over 3 EndFraction)

The quotient of the problem given is - 4.

How to find the equivalent fractions ?

To find the equivalent fractions to ,16 ÷ (–3), first solve for the quotient:

= 16 ÷ (–3)

= - 5. 33

Then, solve the fractions in the options to see if they give the same result as when you solved 16 ÷ (–3).

Fraction : 16 over negative 3

= 16 / -3

= - 5.333

This has the same value

Fraction : negative 16 over negative 3

= -16 / -3

= 5. 333

This does not have the same value

Fraction : negative 16 over 3

= - 16 / 3

= - 5. 333

This has the same value

Fraction : 16 over 3

= 16 / 3

= 5. 333

This is not the same value

Fraction: Negative (StartFraction 16 over 3 EndFraction)

= - ( 16 / 3 )

= - 5. 33

This is the same

The quotient of - 20 / 5 :

= - 20 / 5

= - 4

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What is the place value of 1 of 574.8931.

Answers

In the number 574.8931, the 1 is in the thousandths place.

Name a pair of lines that are parallel

Answers

you didn't include the picture, so I cant see what the question is, sorry.

or if you mean any lines they just have to not intersect or combined at any point like the image I attached, that is parallel lines when they never touch.

Name a pair of lines that are parallel

Thank you for the answer, I meant to put 5 stars but I accidentally put 4 stars! Truly, I'm sorry!

Answers

Answer:

Ok???

Step-by-step explanation:

Answer:

is there a question?

Step-by-step explanation:

let me know if you need help, I got you

what is the rule of this pattern
6,30,150,750

Answers

Answer:

a_1 = 6

a_n = 5 × a_n-1

Step-by-step explanation:

30/6 = 5

150/30 = 5

750/150 = 5

The rule is to start with 6 and multiply each number by 5 to get the next number.

a_1 = 6

a_n = 5 × a_n-1

Answer:

Step-by-step explanation:

To get the next term, you multiply the previous term by 5

tn = 5*t_(n -1)

a1 = 6

a2 = a1 * 5

a2 = 6 * 5

a2 = 30

a3 = 5*a2

a3 = 5 * 30

a3 = 150

and so one

244-33456/3456*345+13.55-2=

Answers

The order of operations (PEMDAS) states that we should perform multiplication and division before addition and subtraction. Using this order, we get:

244 - (33456 / 3456) * 345 + 13.55 - 2

= 244 - 97.02 * 345 + 13.55 - 2

= 244 - 33494.1 + 13.55 - 2

= -33238.55

Therefore, 244-33456/3456*345+13.55-2 = -33238.55.

is 3.4567 irrational or rtional

Answers

3.4567 is irrational

Answer:

3.4567 is a rational number

Step-by-step explanation:

An irrational number has no ending while a rational number does. An irrational number can not be written as a fraction while a rational number can. Basically, all you have to do to figure out if a number is rational or irrational is to figure out if it has an ending.

For example, if you had 234.888888888 irrational but if the number was 234.98989654 then it would be rational

2x-1=y
3x-1=y

Consider the system of equations above. Which of the following statements about this system is true?

2x-1=y 3x-1=yConsider the system of equations above. Which of the following statements about this system

Answers

Answer:

B; There is only one (x,y) solution and y is negative

Step-by-step explanation:

First, I graphed the two equations. Attached is an image of the equations graphed. Next, I looked for overlapping points. Wherever the two points overlap, there is a solution. When looking at the graph, we can see the lines overlap at only one point, (0,-1). Since y is negative, the answer must be B; there is only one (x,y) solution and y is negative.

If this answer helped you, please leave a thanks!

Have a GREAT day!!!

2x-1=y 3x-1=yConsider the system of equations above. Which of the following statements about this system

A scientist has two solutions, which she has labeled Solution A and Solution B. Each contains salt. She knows that Solution A is 65% salt and Solution B is 90% salt. She wants to obtain 150 ounces of a mixture that is 80% salt. How many ounces of each solution should she use?

Answers

The amount of solution A and B required are 60 and 90 ounces respectively.

Creating simultaneous equations for the problem:

Mass of solution A = a

Mass of solution B = b

a + b = 150 _____(1)

0.65a + 0.90b = 150×0.80

0.65a + 0.90b = 120 __(2)

From (1)

a = 150-b ____(3)

substitute (3) into (2)

0.65(150-b) + 0.90b = 120

97.5 - 0.65b + 0.90b = 120

0.25b = 120-97.5

0.25b = 22.5

b = 22.5/0.25

b = 90

a = 150 - b

a = 150 - 90

a = 60

Therefore , 60 ounces of solution A and 90 ounces of solution B is required.

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f(x)=x^2. What is g(x)?

f(x)=x^2. What is g(x)?

Answers

Answer:

D, g(x) = 1/4 x^2

Step-by-step explanation:

You can try plugging in the x and y values into each equation. The answer to this would be D, where if you plug in 2 as the x value, you get 1/4 * 4 which equals 1. This also makes sense because 2x would have a narrower curve while 1/2x would have a wider curve.

how many ping pong balls do you need if you want to arrange them in the shape of an equilateral triangle with 23 rows

Answers

Answer:
You would need a total of 276 ping pong balls

Step by step explanation:
To determine the number of ping pong balls needed to form an equilateral triangle with 23 rows, we can calculate the total number of balls in the triangle. In an equilateral triangle, each row has one more ball than the previous row. The formula for the sum of the first n natural numbers is given by:

Sum = (n * (n + 1)) / 2

In this case, we want to find the sum of the first 23 natural numbers. Substituting n = 23 into the formula, we get:

Sum = (23 * (23 + 1)) / 2 = 276

Therefore, you would need 276 ping pong balls to arrange them in the shape of an equilateral triangle with 23 rows.

s+(s+4)+2(s+4)=
what is the total

Answers

4s+12 if I’m not mistaken

△DEF with points D(−2, 1), E(−1, −1), and F(−2, −2) was stretched horizontally and vertically by a factor of −5.

Is it true that △DEF ≅ △D′E′F′?

△DEF congruent to △D′E′F

Answers

Answer:

The answer is D (-6,3) E( -3,-3)F(-6,-6)


10. Ms. Snyder wants to buy a television at an electronics store. All televisions at the store are 3/4
price, p. She has a $40 discount coupon she will use during the sale. Which equation should Ms. Snyder use to find
the final price, f, of a television?

Answers

If all the television at the stores are 3/4 of the original price and has a $40 discount coupon, then the equation which she used to find the price of the television is f = (3/4)p - 40

The original price of the television = p

The 3/4 of the original price = (3/4)p

The worth of the discount coupon = $40

So the discount price will be subtracted

Then, the final price of the television = (3/4) × The original price of the television - The worth of the discount coupon

Substitute the values in the equation

The final price of the television f = (3/4)p - 40

Hence, If all the television at the stores are 3/4 of the original price and has a $40 discount coupon, then the equation which she used to find the price of the television is f= (3/4)p - 40

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Great Foods will soon begin producing a new line of puppy food. The marketing department predicts that the demand function will be​ D(p) = −14.99p ​+ 985.27 and the supply function will be​ S(p) = 90.85p− 6.39
What price per unit should be charged in order to have equilibrium between supply and​ demand?
​$___

Answers

Answer:  9.37

======================================================

Explanation:

Equilibrium is reached when supply and demand are equal. So when D = S.

Let's solve for p

D = S

-14.99p+985.27 = 90.85p-6.39

-14.99p-90.85p = -6.39-985.27

-105.84p = -991.66

p = -991.66/(-105.84)

p = 9.36942554799698

p = 9.37

Don't forget to round to the nearest cent.

Find the common difference of the sequence 4, 12, 20, ....

Answers

8

In this pattern, we have 4 12 then 20.

We can see that the difference 4 and 12 is 8.

Since the difference between 12 and 20 is also 8, the common difference of the sequence is 8.

please answer....writing assignment for math

please answer....writing assignment for math

Answers

Answer:

This information tells me that f equals a number and 3 multiplied by the number that f equals is 16.

Could I please have Brainliest?

simplify the expression 4+ (11-3)2 ​

Answers

Answer:

20

Step-by-step explanation:

Answer:

20

Step-by-step explanation:

First, because of order of operations, PEMDAS, you solve in the parenthesis first:

4+ (11-3)2

4+ (8)2

Then multiplication:

4+ 16

Then addition:

20

Hope this helps!

Plz name brainliest if possible!

Help!!! Quick answer please!

Help!!! Quick answer please!

Answers

Answer:

18 sq ft

Step-by-step explanation: all you have to do is add the sides. 5+5=10

4+4= 8

10+8=18

This makes the most sense with the answers givin

The country of Freedonia has decided to reduce its carbon-dioxide emission by 35\%35%35, percent each year. This year the country emitted 404040 million tons of carbon-dioxide.

Answers

The tons of carbon emission for the following year is 26 million tons.

How to calculate the carbon emission?

From the information, the country of Freedonia has decided to reduce its carbon-dioxide emission by 35 percent each year and in the year given, the country emitted 40 million tons of carbon-dioxide.

The carbon for the next year will be:

= Total carbon emmision - Reduction in emissions

= 40 million - (35% × 40 million)

= 40 million - 14 million

= 26 million

The complete information is given below.

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Complete question

The country of Freedonia has decided to reduce its carbon-dioxide emission by 35 percent each year. This year the country emitted 40 million tons of carbon-dioxide. What is the carbon emission for the next year.

The rates of on-time flights for commercial jets are continuously tracked by the U.S. Department of Transportation. Recently, Southwest Air had the best rate with 80 % of its flights arriving on time. A test is conducted by randomly selecting 15 Southwest flights and observing whether they arrive on time. (a) Find the probability that exactly 10 flights arrive on time.

Answers

Probability that exactly 10 flights arrive on time is 53.33%.

Given that,

The rates of on-time flights for commercial jets are continuously tracked by the U.S. Department of Transportation.

Recently, Southwest Air had the best rate with 80% of its flights arriving on time.

Total number flights in sample = 15

Probability that exactly 10 flights arrive on time is,

P = 10/15 × 80%

  = 0.5333

  = 53.33%

Hence the required probability is 53.33%.

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Which of the expressions are equivalent to the one below check all that apply

Which of the expressions are equivalent to the one below check all that apply

Answers

Answer:

A , B and C

Step-by-step explanation:

evaluate the expressions following the order of operations as set out in PEMDAS

initial expression

note that • indicates multiplication

3 (2 + 6) + 4 × 5 ← evaluate parenthesis

= 3(8) + 20 = 24 + 20 = 44

A

5 × 4 + 3 × (6 + 2) ← evaluate parenthesis

= 5 × 4 + 3 × 8 ← perform multiplication

= 20 + 24 ← perform addition

= 44

B

(6 + 2) × 3 + 4 × 5 ← evaluate parenthesis

= 8 × 3 + 4 × 5 ← perform multiplication

= 24 + 20 ← perform addition

= 44

C

3 × 2 + 3 × 6 + 4 × 5 ← perform multiplications

= 6 + 18 + 20 ← perform addition

= 44

D

3 × 2 + (6 + 4) × 5 ← evaluate parenthesis

= 3 × 2 + 10 × 5 ← perform multiplication

= 6 + 50 ← perform addition

= 56

the expressions equivalent to the initial expression are A , B and C

What is the domain of this graph
put in final form (only the awnser)

What is the domain of this graphput in final form (only the awnser)

Answers

from 2 to infinity, so like x (greater than or equal to 2) use the symbol that’s like > but with a line under

Interpreting Exponential Function Constant

Interpreting Exponential Function Constant

Answers

The answer is given in the description.

What is rate of change?

Rate of change is the change in specific quantity with respect to the change over the time.

Given, \(f(t)=2700(0.05)^{\frac{t}{60} }\) in this t refers to the time.

Here constant term is 0.05. It means that if there is any change in the t value there is also change in the constant term.

If time t increases the constant value must be decreases, because the constant value is 0.05 which is less than 1.

Hence, less quantities over time, since the value of constant is less than 1.

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NEED HELP! GIVING POINTS!

NEED HELP! GIVING POINTS!

Answers

Answer:

b

Step-by-step explanation:

fairly certain it is b

Answer: b
Step by step solving

Solve for x. 6x-10≤8 or 1/3x+6>12 PLEASE HELP and show work

Answers

The value of x in 1st equation is x ≤ 3 i.e.  x ∈ (-infinity,3] and the value of x in 2nd equation is x > 18 i.e.  x ∈ (18,infinity)

Given two equations  1)6x-10<8 and 2) \(\frac{x}{3}\)+6 > 12

Solving the above equations

1) 6x-10≤8

⇒6x ≤ 18

⇒X≤ 3

⇒x ≤ 3 i.e.  x ∈ (-infinity,3]

2)\(\frac{x}{3}\)+6 > 12

⇒\(\frac{x}{3}\) > 6

⇒x>18

⇒ x > 18 i.e.  x ∈ (18,infinity)

Therefore,The value of x in 1st equation is x ≤ 3 i.e.  x ∈ (-infinity,3] and the value of x in 2nd equation is x > 18 i.e.  x ∈ (18,infinity)

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the theater has 585 seat they sold 352 how many more tickets do they need to sell

Answers

Answer:

233

Step-by-step explanation:

585-352

=233

I hope this helps

Lilliana is picking marbles out of a jar. There are 18 purple marbles and 12 yellow marbles. What are the chances that Liliana will pick a purple marble, replace it, and then pick a yellow marble?
A. 8/25
B. 6/25
C. 25/100
D. 30/90

Answers

The chances that Liliana will pick a purple marble, replace it, and then pick a yellow marble is B. 6 / 25.

How to calculate the probability?

The fact that there are 18 purple marbles and 12 yellow marbles implies that the total marbles will be:

= 18 + 12

= 30 marbles

The probability will be:

= P(Purple) × P(yellow)

= 12/30 × 18/30

= 2/5 × 3/5

= 6/25

The probability is 6/25.

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Please help me on b I’m so confused

Please help me on b Im so confused

Answers

Answer:

2×2×7=28

Step-by-step explanation:

28÷2=14

14÷2=7

Prime numbers 2, 2, and 7 make 28

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