Juan sold half of his comic books and then bought six more. If he now has 36 comic books, with how many did he begin?

Answers

Answer 1

Answer:

60

Step-by-step explanation:

he bought 6 so you need to subtract 6

which 36-6=30

and double 30 is 30

so its 60


Related Questions

Estimate 16.76 -9.611 by first rounding each number to the nearest tenth.​

Answers

Answer:

7.2

Step-by-step explanation:

16.76 = 16.8

9.611 = 9.6

16.8 - 9.6 = 7.2

Help pls due right now






Will give brainlist

Answers

Answer:

D. 1.89 sq. m

Step-by-step explanation:

Plz mark brainliest

Katherine has at least 2 hours of homework every night. If "h" is the number
of hours of homework, write an inequality that represents the sentence
above.

Answers

Answer:

[tex]h \geq 2[/tex]

Step-by-step explanation:

h has to be 2 or more since there is at least 2 hours.

PLEASE HELP!!!Design a chart, flow chart, mind map, or some other visual to help you organize the information that can easily be determined about the graph of a parabola when the function is written in vertex form, standard form, and factored form.

Answers

Answer:

Meh sure But I can't post a picture, so I'll just type it out.

Standard form: ax^2+bx+c

Quadratic Formula: -b + or - Square root of b^2-4ac/2a

Vertex form: a(x-h)+k

Please help me faster if know what the answer please answer???!?!?!

Answers

Answer:

17

Step-by-step explanation:

First of all we find the total number of students:

4+6+2+2+3+4+6+3=30

Then we find the amount of seniors:

2+3=5

Now to find the probability we find the percentage of students which are seniors:

[tex]\frac{5}{30}[/tex] Which is also [tex]\frac{1}{6}[/tex] and when you put that into your calculator you get:

0.16666... which is a decimal, we need a percentage, so we multiply by 100 to convert it:

0.16666...×100=16.666...

which is equal to 17 once rounded as the third digit (6) rounds up

A motorboat travels 244 kilometers in 4 hours going upstream and 665
kilometers in 7 hours going downstream. What is the rate of the boat in still water and what is the rate of the current?

Answers

Answer:

Rate of the current: 19 kilometers per hour

Rate of the boat in still water: 80 kilometers per hour

Marcus makes the statement "15 more than twice a number is equal to 5” What number makes Marcus's statement true?
O-5
O 7.5
O -2.5
O 10

Answers

So we know that we need to add 15 to the double of this number. We know we need to add 15 since it says "15 more than" and we know we need to double/multiply the number by two since it says "twice a number"! We also know that this mystery number equals 5.

Therefore, we can set up our equation and solve! The variable x is used to represent the number we're looking for!

2x + 15 = 5

2x = -10

x = -5

So, your answer should be -5!

Write an equation

Y=|x| 10 units down

Answers

To translate the point P(x,y) , a units left and b units down, use P'(x−a,y−b) .

Write an equation Y=|x| 10 units down?

y=|x-10|-3

Inside, is opposite. So therefore, to move it right 10 units, you subtract ten. However, outside of the absolute value, it is normal, so to move it down 3 units, you subtract 3.The number –45.3 is 45.3 units away from zero and the number 10 is 10 units away from zero. Therefore, the absolute value of any number is really a positive number (or zero).As we know that absolute value means remove the negative sign from the number and make it positive. So we get the absolute value of -10 as 10. So we get the absolute value of 10 as 10. Hence absolute value of -10 and 10 is 10 and 10 respectively

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Is it possible that
1952
is the remainder of 375139654 - 1953?

Answers

No I don’t think it’s possible

if (x+A)^2 -3 = x^2 + 4x + B. Find the value of A and B

Answers

The values of A and B are 2 and 4 respectively.

What is expression?In mathematics, an expression or mathematical expression is a finite combination of symbols that is well-formed according to rules that depend on the context.Mathematical symbols can designate numbers (constants), variables, operations, functions, brackets, punctuation, and grouping to help determine order of operations and other aspects of logical syntax.

Given is the equation as -

(x + A)² - 3 = x² + 4x + B

We can write the given equation as -

(x + A)² - 3 = x² + 4x + B

x² + A² + 2Ax = x² + 4x + B

A² + 2Ax = 4x + B

A² + 2Ax = B + 4x

Equating both sides, we get -

A² = B

and

2A = 4

A = 2

Then B will be equivalent to 4.

B = 4

Therefore, the values of A and B are 2 and 4 respectively.

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find the measure of each side of an equilateral triangle whose area is √3 cm
STEP BY STEP​

Answers

Answer:

s = 2 cm

Step-by-step explanation:

Given the following data;

Area of equilateral triangle = √3 cm

Mathematically, the area of an equilateral triangle is given by the formula;

A = √3 * s²/4

Where, s represents the sides of length.

Substituting into the formula, we have;

√3 = √3 * s²/4

Dividing both sides by √3, we have;

1 = s²/4

Cross-multiplying, we have;

4 = s²

Taking the square root of both sides, we have;

s = √4

s = 2 cm

Graph the parabola.
y=x²+2x+2
(Will mark brainliest)

Answers

Answer:

Step-by-step explanation:

Decompose the fraction 1 3/4

Answers

Decomposition of the fraction [tex]1\frac{3}{4}[/tex] =7/4 = 17/4 - 10/4

Here, the numerator, or top number, 7, indicates how many pieces we will examine.

Please look at figure a and pay attention to the three coloured components. The bottom number, our denominator, provides the total number of components. As a result, pay close attention to figure a. There are a total of four parts, numbered 1, 2, 3, and 4. However, since we are working with 7/4, we will just examine the three shaded parts.

7/4 = 17/4 - 10/4

7/4 = 11/4 - 4/4

Unit fraction decomposition will be used. Unit fraction - what is it? What would we focus on if we just looked at one element? It is one in four, or 1/4. Because this is the first of a series that includes 1, 2, 3, and 4. The third component would also be 1/4, and the second piece would be 1/4.

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HELPPP PLEASEEEEE, BRIANLEST WILL BE GIVEN ON CORRECT!​

Answers

Answer:

1: 1 1/5!

2: 1 4/7!

3: 5 1/4!

4: 4 4/7!

5: 2 6/9!

6: 4 1/6!

40= x²-y²
21= xy
find x and y​

Answers

On solving the provided question, we can say that - the equation, 21 = xy; 40 = [tex]x^2-y^2[/tex] x= 2 and y = 2

What is equation?

An equation is a formula in mathematics that joins two statements with the equal symbol = to represent equality. The definition of an equation in algebra is a mathematical statement proving the equality of two mathematical expressions. In the equation 3x + 5 = 14, for instance, the terms 3x + 5 and 14 are separated by an equal sign. The link between two phrases on either side of a letter is expressed mathematically. There is often only one variable, which is also the symbol. instance: 2x - 4 Equals 2.

here,

21 = xy;

40 = [tex]x^2-y^2[/tex]

x= 2

and

y = 2

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Evaluate the expression when c=4 and d=40


D-5c

Answers

WORK:
D-5c

40-5(4)

20

Answer: 20

HOPE THIS HELPS


State the order and type of each transformation of the graph of the function
ƒ(x) = –(x + 1)3 + 1 as compared to the graph of the base function

Answers

Answer:

steps below (C)

Step-by-step explanation:

1. x³ -> (x+1)³   ... horizontal translation left 1 unit

2. (x+1)³ -> -(x+1)³  .... reflection over x axis

3. -(x+1)³ -> -(x+1)³ + 1  ... vertical translation up 1 unit

what is the slope of the table below? 3/8 15/12 9/10 0/7

Answers

The slope of the table shown in the image attached below is equal to: D. 1/3.

How to calculate the slope of the given table?

Mathematically, the slope of the given table can be calculated by using the following mathematical expression;

Slope, m = (Change in y-axis, Δy)/(Change in x-axis, Δx)

Slope, m = (y₂ - y₁)/(x₂ - x₁)

From the information provided in the table, we have the following data points:

Points on x-axis = (-2, 2).

Points on y-axis = (-4, -2).

Substituting the given points into the slope formula, we have;

Slope, m = (12 - 8)/(15 - 3)

Slope, m = 4/12

Slope, m = 1/3

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Mrs. Bike was looking for books at the library. She decided to check
out 2 books from each shelf in the children's section. Which expression
below can represent the total number of books Mrs. Bike checked out if
there are v number of shelves in the children's section?

1) x + 2

2) 2 - v

3) v x 2

4) 2 divided by v​

Answers

Answer:

2 x v

Step-by-step explanation:

Two books per shelf would mean 2+ per shelf.

So if she took out 5 shelves it would be 2+2+2+2+2 in other words. 5*2.

So the equation would be 2 x v

ill give brainlest:)

Answers

Answer:

Triangle, rectangle

Step-by-step explanation:

I solved it visually

Answer:

Triangle and rectangle

what is the volume of a prism if the width is 8 the height is 6 and the length is 4

Answers

Answer: 48

Step-by-step explanation:

V = b x h

V = 8 x 6

V = 48

49
58
57
The data show the chest size and weight of several bears. Find the regression equation, letting chest size be the independent (x) variable. Then find the best predicted
A weight of a bear with a chest size of 48 inches. Is the result close to the actual weight of 298 pounds? Use a significance level of 0.05.
Chest size (inches) 58
43 46
Weight (pounds) 355 266 332 177 246 348
What is the regression equation?
G
ĝ=0.x (Round to one decimal place as needed.)
C

Answers

hsbsosnsjehsjsiwkwkwjwjwiwiwiw

72 ounces and 6 steaks = what rate and unit rate

Answers

the answer is 9oz/ per steak

The fourth term of an arithmetic sequence is 20. The common difference is -1/5 times the first term. Graph the sequence.

Answers

Answer:

To graph an arithmetic sequence, you can start by plotting the first few terms of the sequence on the coordinate plane. The x-axis represents the term number, and the y-axis represents the value of the term.

In this case, we are given that the fourth term is 20 and the common difference is -1/5 times the first term. Let's say the first term is x. Then, the second term is x - (1/5)x = 4/5x, the third term is 4/5x - (1/5)x = 3/5x, and the fourth term is 3/5x - (1/5)x = 2/5x.

Therefore, the first four terms of the sequence are x, 4/5x, 3/5x, and 2/5x. If we plot these terms on the coordinate plane, we get the following graph:

(0, x)

(1, 4/5x)

(2, 3/5x)

(3, 2/5x)

This graph represents the first four terms of the arithmetic sequence. To find the fifth term, we can use the formula for the nth term of an arithmetic sequence: a_n = a_1 + (n - 1)d, where a_1 is the first term, d is the common difference, and n is the term number.

For this sequence, the fifth term is x + (-1/5)x = 4/5x. To find the sixth term, we can use the same formula: a_6 = x + (-1/5)x = 3/5x.

By continuing this process, we can plot the rest of the terms of the arithmetic sequence on the coordinate plane.

Step-by-step explanation:

Pls help me i need to fill in the boxes that dont have anything in them but i aldo need to fill in the one that says "A="​

Answers

Answer:

Area is 35

Perimeter is 26

A = hb/2

Step-by-step explanation:

You're given the base (7) and the height (10). The area formula is [tex]\frac{h*b}{2}[/tex].

The area of a triangle is half of the base times the height. 7 * 10 = 70, so 70 is twice the area. Divide it by 2 to get the area (35).

The perimeter is all of the sides added together. 10 + 8 + 7 = 26

a rectangular garden has length twice as great as it’s width. a second rectangular garden has the same width as the first garden and length that is 4 meters greater than the length of the first garden. the secon garden has area of 70 square meters. what is the width of the two gardens?

Answers

The width of the two gardens will be equal to 5 feet.

What is the area of the rectangle?

A rectangle is a quadrilateral having four sides and the sum of the angles is 180 in the rectangle the opposite two sides are equal and parallel and the two sides are at 90-degree angles.

The space occupied by any two-dimensional figure in a plane is called the area. The space occupied by the rectangle in a two-dimensional plane is called the area of the rectangle.

Given that a rectangular garden has a length twice as great as it’s width. a second rectangular garden has the same width as the first garden and a length that is 4 meters greater than the length of the first garden. the second garden has an area of 70 square meters.

For the first rectangle, the  dimensions will be,

L = 2w

For second rectangle width is same then the area is,

L x w = 70

( 2w +4 ) x w = 70

2w² + 4w - 70 = 0

w² + 2w -35 = 0

w² + 7w - 5w -35 = 0

w(w + 7 ) -5(w+7) = 0

w =-7 and  w = 5

Hence, the width is w = 5 ft.

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help me pls the question is in the picture

Answers

Answer:

M<C = 37 degrees

M<D = 86 degrees

M<DEC = 111 degrees

Step-by-step explanation:

The exterior angle theorem can be measured by the hypotenuse of a 90 degree angle. Since there is no hypotenuse in the matrix, you don't need to make it positive :)

Therefore, after using this theorem, I came to the conclusion that m/C would be 37 degrees, since I calculated the measure of the angle. I used the same tactic on m/D and m/DEC.

I hope this helps :)

help me with this please

Answers

Answer: 1/14

Step-by-step explanation:
1. Multiply 4/7 and 1/8 because the term of implies multiplying in this case. You would multiply the fractions by multiplying the numerators by each other and the denominators by each other like 4x1 and 7x8.

2. Simplify the fraction 4x1/7x8. This will give you 4/56.

3. Simplify the fraction by dividing the numerator and denominator by its greatest common factor which is 4. 4/4 leaves you with 1 and 56/4 gives you 14. This means the answer is 1/14.

Is f(x)= 7e^-21 an example of exponential growth or decay?

Answers

Answer:

[tex]\small\mathfrak\green{here \: is \: your \: answer...} \\ \\ \small\mathfrak\pink{exponential \: decay...} \\ \\ \small\mathfrak\green{hope \: it \: helps...}[/tex]

Which of the following lines is perpendicular to the line passing through the points (-3, 4) and (-5, 6)?

Answers

The equation of the perpendicular line will be x + y - 5 = 0. Then the correct option is B.

What is the equation of a perpendicular line?

Let the equation of the line be ax + by + c = 0. Then the equation of the perpendicular line that is perpendicular to the line ax + by + c = 0 is given as bx - ay + d = 0. If the slope of the line is m, then the slope of the perpendicular line will be negative 1/m.

The equation of the line passing through (-5, 6) and (-6, 5) will be given as,

(y - 6) = [(5 - 6) / (- 6 + 5)](x + 5)

y - 6 = (x + 5)

y = x + 1

The equation of the line that is perpendicular to the above line is given as,

y = - x + c

The equation of the line is passing through (3, 2)

3 = - 2 + c

c = 5

Then the equation of the perpendicular line will be given as,

y = -x + 5

x + y - 5 = 0

The equation of the perpendicular line will be x + y - 5 = 0. Then the correct option is B.

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The complete question is given below.

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