What's the pattern in 30 21 12 3 -6

Answers

Answer 1
 [tex]a_b=39 - 9b[/tex]
Answer 2
The pattern is Subtract 9 from the previous number to get the next number

Related Questions

Please answer the following question

Answers

the answer is right.....

What is 132 divided by 8 using long division with the remainder (pls show the work so I can copy it pls)

Answers

8 goes into 13 1 time. 13-8=5. Bring down the 2. 8 goes into 52 6 times. 52-48=4. Answer is 16 remainder 4.

Check: 16x8=128, +4 remainder equals 132.

The quotient of 132 divided by 8 is 16 with a remainder of 0.

let us perform long division to find the quotient of 132 divided by 8, including the remainder.

         16

   __________

8 | 132

Step 1: Determine how many times 8 can be divided into 13 (the first two digits of 132).

         16

   __________

8 | 132

       8

Step 2: Multiply 8 by 1, which gives us 8. Write the result below 132.

         16

   __________

8 | 132

       8

   -------

        12

Step 3: Subtract 8 from 13 (the original dividend). Write the result below the line.

         16

   __________

8 | 132

       8

   -------

        12

   -------

Step 4: Bring down the next digit of the dividend, which is 2.

         16

   __________

8 | 132

       8

   -------

        12

        2

   -------

Step 5: Determine how many times 8 can be divided into 12. The answer is 1.

         16

   __________

8 | 132

       8

   -------

        12

        2

   -------

        8

Step 6: Multiply 8 by 1, which gives us 8. Write the result below 12.

         16

   __________

8 | 132

       8

   -------

        12

        2

   -------

        8

Step 7: Subtract 8 from 12.

         16

   __________

8 | 132

       8

   -------

        12

        2

   -------

        8

   -------

       

Step 8: We have no more digits to bring down from the dividend. The remainder is 0.

Therefore, the quotient of 132 divided by 8 is 16 with a remainder of 0.

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The value of a car changed from $14,000 to $11,200. Find the percent of change. Show work please!

Answers

Percentage change = (14000-11200) / 11200 * 100
 = 280000 / 11200
 = 25%

So, your final answer is 25%

Hope this helps!

each year, the department of water works measures the chloride concentration level in the water. the first year, they found the chloride concentration changed by -13/5 mg /L . it is estimated that the chloride concentration will change -21/15 mg/L the next year. what is the total change that will likely occur in 2 years?

Answers

Answer:

um i think its 8/30

Step-by-step explanation:

what is the system equation of y=1/4x : x+4y=8?

Answers

since x+4y = 8 the thing is y = 1/4*x but if you get 1/4 of x then multiply it by 4 when you put it back in the problem, which means x=4 y=1
Final answer:

The system equation of y = 1/4x and x + 4y = 8 can be found by substituting the value of y from the first equation into the second equation and solving for x. The solution is x = 4 and y = 1.

Explanation:

The given system of equations is y = 1/4x and x + 4y = 8.

To find the system equation, we can substitute the value of y from the first equation into the second equation.

Substituting y = 1/4x into x + 4y = 8 gives us x + 4(1/4x) = 8. Simplifying this equation, we get x + x = 8, which is equivalent to 2x = 8. Solving for x, we find x = 4. Substituting this value back into the first equation, we can solve for y and find y = 1.

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Nadia surveyed 80 students at her school and found that 0.55 of the students she surveyed said their favorite class is math. Another 15% of the students she surveyed reported that their favorite class is science. How many more students in the survey prefer math over science?

Answers

80 x .55 = 44 people whose favorite class is math
80 x .15 = 12 people whose favorite class is science 
(15 as a decimal is written as .15)   

44 - 12 = 32 more students prefer math over science

The number of the more students who prefer math over science is 32.

What is an expression?

The mathematical expression combines numerical variables and operations denoted by addition, subtraction, multiplication, and division signs.

Mathematical symbols can be used to represent numbers (constants), variables, operations, functions, brackets, punctuation, and grouping. They can also denote the logical syntax's operation order and other properties.

Given that Nadia surveyed 80 students at her school and found that 0.55 of the students she surveyed said their favourite class is math. Another 15% of the students she surveyed reported that their favourite class is science.

The number of students will be calculated as,

People whose favourite class is math,

80 x .55 = 44

People whose favourite class is science,

80 x .15 = 12

The number of students will be calculated as,

44 - 12 = 32 (more students prefer math over science)

Therefore, the number of the more students who prefer math over science is 32.

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write each fraction as the sum of two fractions with different denominators. a) 1/2 b) 3/4 c)9/10

Answers

a) 2/4 b) 6/8 c) 18/20. Is that what you are asking for?
a) 2/8 + 2/8
b) 6/16 + 6/16
c) 9/20 + 9/20

Could someone please help me on this graph? I'll give the Brainliest to whoever is CORRECT.
Danielle needs to sell candy bars for a club fundraiser. She starts with 72 candy bars and begins selling at a constant rate of 8 bars each day.
Use the Segment tool to plot a graph representing the number of candy bars Danielle has left to sell from the time she begins selling until the candy bars are gone.

Answers

Not sure how to use "the Segment tool"
But here's what I have. It should be a straight line.

Hope this helps.

Use the distributive property to express 24+36

Answers

La respuesta es correcta es 60
(20+4)+(30+6)

24+36=60

PLEASE HELP WITH THIS I DONT UNDERSTAND THIS ONE

The coordinates of quadrilateral VWXY are given below. Find the coordinates of its image after a dilation with the given scale factor.


make sure to use a well explained answer.


V(6, 2), W(-2, 4), X(-3, -2), Y(3, -5), scale factor of 2

Answers

At a quick glance I would just say to multiply each coordinate by 2 (6,2) becomes (12,4) because its being scaled up by 2

Write a real world situation that could be modeled by the equation 100-6x=160-10x.

Answers

James starts off with a hundred dollars and loses 6 dollars a week. Lara starts off with 160 dollars and loses 10 a week. At what week will they both have the same amount of money?

Answer:

Suppose you have $100 and you spent 6 dollar each day, and your friend has $160 and he/she spent $10 each day. After x days you both have equal amount, find the number of days.

Step-by-step explanation:

Consider the provided information.

We need to write a real world situation that could be modeled by the equation 100-6x=160-10x.

You can use any situation to represents this equation.

The left side of the equation consists of a constant and a variable also the right side of the equation consists of a constant and a variable.

Suppose you have $100 and you spent 6 dollar each day, and your friend has $160 and he/she spent $10 each day. After x days you both have equal amount, find the number of days.

aiko jump rope for an amazing 20 min she stopped at 8:05 when did she start

Answers

Aiko jump roped for 20 minutes before stopping at 8:05. Just count 20 minutes back in order to see when she started.

8:05 - 20 minutes = 7:45
7:45 , I believe. 8:00 minus 15 min. equals 7:45      

If 5 goldfish cost $6.45, what is the cost of 8 goldfish?

Answers

Cost of 5 goldfishes = $6.45

Now, we need to calculate the unit rate, for that you've to divide 6.45 from 5,

Cost of 1 goldfish = $6.45/5 = $1.29
Then,
Cost of 8 goldfishes = $1.29 * 8 = $10.32

So, your final answer is $10.32

Hope this helps!!

Answer:

$10.32

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it is given that 2(3+x)=6+2x. this is an example of the ____ property.

Answers

Answer:

Distributive Property

Step-by-step explanation:

USA Testprep

Expression 2(3+x)=6+2x is an example of the distributive property,

the given expression is:

2(3+x)=6+2x.

what is distributive property?

The distributive property is a property of multiplication used in addition and subtraction. This property states that two or more terms in addition or subtraction with a number are equal to the addition or subtraction of the product of each of the terms with that number.

for example

a(b+c) = a*b+ a*c=ab+ac

a(b-c)= a*b-a*c=ab - ac

in the same way,

given expression

2(3+x)= 2*3+2*x = 6+2x

therefore, expression 2(3+x)=6+2x is an example of the distributive property.

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HELP!!!!!!! PLEASE LITTLE BOY IN CRISIS!!!!!!!!1
Look at the model that shows 1/2 =3/6. How does the number of parts in the whole affect the number of parts that are shaded?

Answers

Final answer:

Equivalent fractions represent the same portion of a whole, despite having different numerators and denominators. By increasing the number of equally divided parts of a whole and accordingly adjusting the number of shaded parts, you create equivalent fractions such as 1/2 and 3/6, which look different but represent the same amount.

Explanation:

The question is addressing a concept in Mathematics, specifically the idea of equivalent fractions and how changing the number of parts in a whole affects those fractions. When you look at the model showing 1/2 = 3/6, you see that the whole is divided into different numbers of parts. The fraction 1/2 means that one out of two equal parts of the whole is shaded, whereas 3/6 indicates that three out of six equal parts of the whole are shaded.

To understand this, imagine dividing a shape into two equal parts. Shading one of these gives you 1/2. If you further divide each half into three parts, making six equal parts in total, and shade three, you still have the same amount shaded (which is half) but in terms of six parts now, hence 3/6. This shows that by increasing the number of parts into which the whole is divided, while maintaining the proportion of the shaded area, you increase both the numerator and denominator of the fraction proportionally, thus creating what is known as an equivalent fraction.

Aaron needs to hire a waiter. Waiter A is offering his services for an initial $25 in addition to $4.75 per hour. Waitress B is offering her services for an initial $30 in addition to $3.75 per hour. When will the two waiters charge the same amount of money?

At
hours, both waiters will charge the same amount, which is.....

Answers

Two equations, one variable. You want to find when both are equal to each other.
$25 + $4.75*(hours) = $30 + $3.75*(hours)
Solve for hours. 
$1*(hours) = $5
hours = 5

At 5 hours, it will cost the same to Waiter A as it will to hire Waitress B. 

Waiter A and waitress B will charge the same amount of money in 5 hours and which is $48.75.

What is the equation?

The equation is defined as mathematical assertions that have a minimum of two terms containing variables or numbers that are equal.

As per the question, we can write the equations as:

For Waiter A, this is given by the equation 25 + 4.75h,

For Waitress B, the equation is 30 + 3.75h.

where h is the number of hours.

We can set up the equation 25 + 4.75h = 30 + 3.75h by equating the total amount each waiter will charge. Solving for h, we get:

25 + 4.75h = 30 +

4.75h - 3.75h = 30 - 25

h = 5

This means that at 1.05 hours, both waiters will charge the same amount of money.

The total amount they will charge is:

⇒ 25 + 4.75(5)

⇒ 30 + 3.75(1.05)

⇒ $48.75.

Thus, they will charge the same amount of money in 5 hours and which is $48.75.

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Un rectángulo tiene un área de 30 metros cuadrados y un perímetro de 34 metros. Cuáles son las dimensiones del rectángulo

Answers

yo hablo ingles pero es 15 y 2. :)

Find the slope of the line.

Answers

Given two points (x₁,y₁) and (x₂,y₂), the slope of the line passes through these points will be:
m=(y₂-y₁)/(x₂-x₁)

In this case, the points are (-5,-4) and (1,-3) and the slope would be:
m=(-3+4)/(1+5)=1/6

Answer: the slope would be 1/6

Answer: [tex]m = \frac{1}{6}[/tex]



Step-by-step explanation:

(-5,-4) = (x1, y1)

(1,-3) = (x2, y2)

Slope = [tex]\frac{y2-y1}{x2-x1}[/tex]

          = [tex]\frac{-3-(-4)}{1-(-5)}[/tex]

          = [tex]\frac{-3+4}{1+5}[/tex]

          = [tex]\frac{1}{1+5}[/tex]

          = [tex]\frac{1}{6}[/tex]

A packing machine can pack 4,000 boxes in 5 hours. At what rate does the machine work?

Answers

800 boxes a hour; 13.3 boxes a minute

what is 31000 decreased by 6%

Answers

29,140. 31000 times 6% = 1860.

Starting from the same place, Sara walks due west and Ammad walks due east. On the number line, 0 represents their starting point, negative values represent the distance traveled west and positive values represent the distance traveled east. A number line with a point for Ammad at coordinate 480 and a point for Sara at coordinate -240. How many feet apart are Sara and Ammad on the number line?

Answers

480 - - 240

2 negatives make a positive so it would be 480 + 240 which is 720 feet apart

The answer is 720, hope this helps :)

Compare the values of each digits in the decimal 962.69 , compare the 6 in the tens place than the 6 in the tenths place.

Answers

I think the answer would be like... The 6 in each place is worth a different amount. Like just the 6 in the tenths place is worth less than the 6 in the tens place.

how to write 1.075 in word form

Answers

Here you go.1.075=One and Seventy five Thousandths
One and Seventy Five Thousandths. Hope it helps!!!

What does it mean to classify the real number?

Answers

The real numbers includes both the rational and irrational numbers.
To classify a real number means to put it into a category like in the picture I clipped. Those are the different groups a number can be in

Which number is located to the right of -1 2/3 on the horizontal number line?

Answers

Answer:

The Answer is -1 1/3 (A.)

-1 2/3 is equal to -1.666 so -1 1/3 equals -1.3, it would make the number locate on the right of -1 2/3 on the horizontal number line

The mixed fraction number - 1 ²/₃ is lesser than the mixed fraction number - 1 ¹/₃. Then the correct option is A.

What is a number line?

A number line refers to a straight line in mathematics that has numbers arranged at regular intervals or portions along its width. A number line is often shown horizontally and can be postponed in any direction.

The mixed fraction number is given below.

⇒ - 1 ²/₃

Convert the mixed fraction number into a decimal number. Then we have

⇒ - 1 ²/₃

⇒ - (1 + 0.667)

⇒ - 1.667

The value of the mixed fraction number - 1 ¹/₃ will be given as,

⇒ - 1 ¹/₃

⇒ - (1 + 0.333)

⇒ - 1.333

The mixed fraction number - 1 ²/₃ is lesser than the mixed fraction number - 1 ¹/₃. Then the correct option is A.

The number line is given below.

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The complete question is given below.

Which number is located to the right of -1 2/3 on the horizontal number line?

A. -1 1/3

B. -2 1/3

C. - 2

D. - 3

quantas palavras com 2 letras distintas podemos formar com as 7 primeiras letras do alfabeto

Answers

No hablo mucho español, para...

solvar (solve) con 7*6.... porque son siete possible letras por la primera letra y solemente seis para LA segundo. La contesta es 42

Last one in math! Help Me

Answers

.55x5+1.4x.55x2

4.29 Kilometers.
0.55 x 1.4= 0.77 0.55x 5 = 2.75 0.77 x 2 =1.54 2.75 + 1.54= 4.29

Julie spends $5.62 at the store. Micah spends 5 times as much as Julie. Jeremy spends $6.72 more than Micah. How much money does each person spend?
Julie: $5.62
Micah:
Jeremy:


Explain how you can use a quick picture to find 3 × 2.7



Sarah is cutting ribbons for a pep rally. The length of each ribbon needs to be 3.68 inches. If she needs 1,000 ribbons, what is the length of ribbon Sarah needs?


Adam is carrying books to the classroom for his teacher. Each books weighs 3.85 pounds. If he carries 4 books, how many pounds is Adam carrying?

Answers

Julie: $5.62
Micah: $28.1 (5.62 x 5 = 28.1)
Jeremy: $34.82 (28.1 + 6.72 = 34.82)
--
3.68 x 1,000 = 3680
Sarah needs 3680 inches of ribbon
--
3.85 x 4 = 15.4
Adam is carrying 15.4 pounds of books.


1. The probability of randomly selecting a female from a group of 25 elementary school teachers is 21/25. Which of the following describes the likelihood of selecting a female elementary school teacher?
a .unlikely
b. neither unlikely nor likely
c. likely

Answers

the probability of selecting a female = 21/25....or 84%

so it is likely that a female will be picked
The answer is C, it is over 75 percent chance that you will pick a female teacher.

do the following lengths form a right triangle?
a= 6.4, b= 12, c= 12.2

Answers

The way you find if they form a right triangle is by using the Pythagorean Theorem, a^2 + b^2 = c^2:

(6.4)^2 + (12)^2 = (12.2)^2

40.96 + 144 = 148.84

184.96 ≠ 148.84

Therefore, this is not a right triangle.

Answer:

It is not a right triangle,184.96 ≠ 148.84

Step-by-step explanation:

Definition of Pythagoras theorem:

The square of the long side of a right-angled triangle is equal to the sum of the squares of the other two sides.

The formula is as follows:

[tex]a^{2} +b^{2} =c^{2}[/tex]

Given, a= 6.4, b= 12, c= 12.2

Using the Pythagorean Theorem, [tex]a^{2} + b^{2} = c^{2}[/tex] ,you may determine if they form a right triangle:

[tex](6.4)^2 + (12)^2 = (12.2)^2[/tex]

40.96 + 144 = 148.84

184.96 ≠ 148.84

Therefore, this is not a right triangle.

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