Mathematics High School

Write and solve the equation and then check your answer.
The difference between a number and four hundred forty is five hundred eighty-five.
Complete the statements.
The equation that correctly models the problem is
To undo what has been done to the variable,
both sides of the equation.
The solution of the equation is
Check the solution by substituting for the variable and simplifying.
1)Intro

Answers

Answer 1

Answer:the first one is n-440=585

The second one is add 440 to

The third one is n = 1025

The last one is 1025

Step-by-step explanation: got this all right on edge

Answer 2

Answer:

The equation that correctly models the problem is

✔ n – 440 = 585

To undo what has been done to the variable,

✔ add 440 to

both sides of the equation.

The solution of the equation is

✔ n = 1025

Check the solution by substituting

✔ 1025

for the variable and simplifying.

Related Questions

Cómo se llama un ángulo que mide exactamente 90°

Answers

Answer:

a right angle

Step-by-step explanation:

i just know this

150 ml of orange juice has a mass of 200g. What is the density?

Answers

density = mass / volume . 200/150 = 1.3334

The value of a baseball card can be represented by the equation y = 3 x + 39, where x represents the number of years that Robert has owned the card and y represents the total value, in dollars, of the card. What was the value of the card when Robert originally purchased it?
$3
$13
$36
$39

Answers

Answer:

The answer will be $39 :)

Answer:

$39

Step-by-step explanation:

help me please I need an answer now, please

Answers

Answer:

can you re-upload the picture its blurry

Step-by-step explanation:

Can somone please help me asap I’ll mark brainlist!!!!!

Answers

Answer:

405.45

Step-by-step explanation:

405.45

405.45 i’m positive

The lunch lady has 3 pounds of lasagna. If she makes 16-pound servings using this amount of lasagna, how many servings can she make?

Answers

Answer:

Step-by-step explanation:

Answer:

5 1/3 servings

Step-by-step explanation:

16/3 = 5.33 = 5 1/3 servings

Please, help me!!! ( Thank You )

Answers

Answer:

The mean is 29.72 the median is 30.4 and the range is 29.4

round if necessary

Have a nice day! :)

15x+10 80
I need help plzzzzzzz

Answers

Answer:

Step-by-step explanation:

180-80=100

100-10=90

90 divided by 15=6

explanation:

they’re supplementary angles (they add up to 180°), so we need to set up an equation by adding them to equal 180°:

15x + 10 + 80 = 180

combine like terms

15x +90 = 180

subtract 90 from move sides

15x = 90

divide both sides by 15

x= 6

PLEASE HELP WILL GIVE BRAINLYEST

Multiple questions each number needs a letter!

1. I like or go to the beach or I like to eat ice cream.

2. I like or go to the beach and I like to eat ice cream.

3. I enjoy rainy days and I like to eat ice cream.

4. I do not enjoy eating ice cream or I do not enjoy rainy days.

5. Therefore, I enjoy ice cream.

ANSWER OPTIONS
A. p v q
B. ~q v r
C. r ^ q
D. p ^ q
E. (Three dots in the shape of a pyramid) q

Answers

Answer:

The answers are below!

Step-by-step explanation:

These are what the symbols mean so you can better understand them

p: I like to go to the beach

q: I like to eat ice cream

r: I do not enjoy rainy days

^ = means OR so a that has or in it.

v = means AND so any sentance with and in it

~ = not so any phrase that condridicts what the origional P,Q, and/or R

∴ = Therefore so any phrase with therefore.

So; p ∧ q would be P... OR... Q acording to the key above would be

I ilke to go to the beach OR I like to eat icecream.

You can figure out the rest! Hope this helps you!

Think About the Process The length of a rectangle is twice the width. The area of the rectangle is 9

square units. Notice that you can divide the rectangle into two squares with equal area. How can you

estimate the side length of each square? Estimate the length and width of the rectangle.

Answers

Answer:

The side length of each square is 2.12 units.

The length ad width of the rectangle are 2.12 and 4.24 units

Step-by-step explanation:

Let the width of the rectangle is x,

So, the length of the rectangle is 2x.

Area of the rectangle = 9 sq. units

[tex]9 = 2x \times x[/tex] [as area = length x width]

[tex]\Rightarrow 9 = 2x^2[/tex]

[tex]\Rightarrow x^2 = \frac{9}{2}=4.5[/tex]

[tex]\Rightarrow x = 1.5\sqrt{2}=2.12[/tex] units

So, width of the rectangle, x= 2.12 units and

the llengthof the rectangle, 2x= 2 x 2.12= 4.24 units.

After division of the rectangle into two equal square, so, the area of each square will be half of the area of the rectangle.

The area of the rectangle = 9/2=4.5 square units.

Let a be the length of the sides of the square, so

Area [tex]= a^2[/tex]

[tex]\Rightarrow a^2=4.5[/tex]

[tex]\Rightarrow[/tex] [tex]a = 1.5\sqrt{2}=2.121[/tex]

Hence, the side length of each square = 2.12 units.

Which of these functions could have the graph shown below?

Answers

it's the first one it's the f (x) =40x

I think the answer is C

TIMED TEST PLEASE HELP Find the distance between the points -5 and -3 on a number line.

Answers

Answer:

-2

Step-by-step explanation:

Answer:

(see below)

Step-by-step explanation:

You can also solve this algebraically:

–5 – (–3)

–5 + 3

–2

Since it can't be negative units between two points on a number line, you can multiply it by –1 to make it a positive number:

–2 (–1)

2 units

Or, you can use a number line. I have screenshotted a number line attached below for you.

Hopefully this helps!

Subtract.

125−(−35)

Enter your answer, in the simplest form, in the box

Answers

Answer:

160

Step-by-step explanation:

The two subtraction symbols are going to cancel each other out and turn into addition symbols so the problem is 125 + 35

Answer:

-2 3/4

Step-by-step explanation:

Logan used 12 centimeters of tape to wrap 4 presents. How much tape will Logan need in all if he had wrap 8 presents? Assume the relationship is directly proportional.

Answer:

f(x) = -2(x - 3)² + 6

Step-by-step explanation:

The vertex form of an equation of the parabola:

f(x) = a(x - h)² + k

the vertex is (3, 6) ⇒ h = 3, k = 6

so:

f(x) = a(x - 3)² + 6

The parabola goes through the point (4, 4) ⇒ x=4, f(x)=4

4 = a(4 - 3)² + 6

4 = a(1)² + 6

-6 -6

- 2 = a

It means the equation of the parabola in vertex form:

Add them together.

11.68+4.38=16.06!

3/4 + 5/16
Plz help nowwwwwwww

Answers

Answer:

1.0625

Step-by-step explanation:

Answer:

17/16

Step-by-step explanation:

Baking a tray of chocolate chip cookies takes three cups of milk and two cups of flour. Baking a tray of oatmeal raisin cookies takes one cup of milk and four cups of flour. The baker has 9 cups of milk and 16 cups of flour available. He makes $2.50 profit per tray of chocolate chip cookies and $2 profit per tray of oatmeal raisin. How many trays of each type of cookies should be make to maximize his profit?

Answers

Step-by-step explanation:

this is a linear programming problem.

the objective is to maximize profit

let the chocolate be x

and cookies be y

Maximize

2.5x+2y=P

constraint milk

3x+y=9------------------1

constraint flour

2x+4y=16----------------2

solving 1 and 2

3x+y=9

2x+4y=16

multiply 1 by 2 and 2 3 to eliminate x we have

6x+2y=18

6x+12y=48

-0-10x=-30

10y=30

y=30/10

y=3

put y= 3 in eqn 1 we have

3x+3=9

3x=9-3

3x=6

x=6/3

x=2

two trays of chocolate

three trays of cookies

2.5x+2y=P

2.5(2)+2(3)=P

5+6=P

P=$11

A bakery sold a total of 80 cupcakes in a day, and 95% of them were chocolate
flavored. How many of the cupcakes sold that day were chocolate flavored?

Answers

Answer:76

Step-by-step explanation:

You can make a solar hot-dog cooker by shaping foil-lined cardboard into a parabolic trough and passing a wire through the focus of each end piece. How far from the bottom should the wire be placed?

Answers

Answer:

The wire should be placed at a height of 2.25 inches from the bottom

Step-by-step explanation:

With the assumption that the shape of the solar hot-dog cooker is a parabola. we have the equation for the shape given as y = a·x² + b·x + c

Whereby the coordinates of the vertex is taken as (h, k) = (0, 0), we have;

c = 0

∴ y = a·x² + b·x

From the diagram, we have;

When x = 6, y = 4

When x = -6, y = 4

Which gives;

4 = a·(-6)² + b·(-6) = 36·a - 6·b

4 = 36·a - 6·b.........................................(1)

4 = a·(6)² + b·(6) = 36·a + 6·b

4 = 36·a + 6·b........................................(2)

Subtracting equation (1) from equation (2) gives;

4 - 4 = 36·a - 6·b - (36·a + 6·b) = -12·b

0 = -12·b

b = 0

Therefore;

4 = 36·a - 6×0

a = 4/36 = 1/9

The focus = F(h, k + p)

p = 1/(4·a) = 1/(4 × 1/9) = 1/(4/9) = 9/4 in = 2.25 inches

The coordinates of the focus, F = (h, k + p) = (0, 9/4) = (0, 2.25)

Therefore, the wire should pass through the focus and placed at 2.25 inches above the bottom.

A jet was at a cruising altitude, then descended 3,500 feet. If the airplane is at 24,700 feet now, what was the cruising altitude?

Answers

Answer:

28200

24700+3500=28200.

The plane was at 28200 feet then it desended 3500 feet then it was at 24700 feet.

7th grade math , I’ll give brainliest

Answers

Answer:

7.$340

8. -88

Step-by-step explanation:

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