como resuelvo (×-8)(×+8​

Answers

Answer 1

Answer:

The answer is zero(0) because x is the same and -8 + 8 would equal 0

Step-by-step explanation:


Related Questions

Solve X + 5 + 6x = 180. What are the steps?

Answers

Answer:

x=25

Step-by-step explanation:

x+5+6x=180

7x+5=180

7x=175

x=25

If < 5 = 35, what is m < 3

Answers

Answer:

∠ 3 = 35°

Step-by-step explanation:

∠ 5 and ∠ 3 are alternate angles and congruent, thus

∠ 3 = ∠ 5 = 35°

what is ten to the 3rd power

Answers

Answer:

1000

Step-by-step explanation:

10 x 10 = 100

100 x 10 = 1000

PLS HELP ME !!
20 POINTS PLS HELP !!

Number 3 and 4 !!:)

Answers

Answer:

3. W = L - 4

4. x = 12 + 5cd

if you're creating equations that's what I would do

The width of a rectangle is 14 meters less than the length. The area of the rectangle is 576 square meters. Find the length and the width.

Answers

Answer: Width = 18m

Length = 32m

Step-by-step explanation:

Let the width of a rectangle be x

Let the length of the rectangle be: x+14

Width = 18m

Length = 32m

Check the attachment for the explanation and further details.


Find the equation of the line.

Answers

Answer:

y = 2/3x + 4

Step-by-step explanation:

so we already know the y intercept is 4 so lets put that in the equation

y = mx + 4

now we use the equation y2 - y1 / x2 - x1 to find the slope

lets use the points (-6, 0) and (3, 6)

6 - 0 / 3 - (-6)

6 / 9

2/3

the equation is

y = 2/3x + 4

check:

lets use the point (6, 8)

substitute:

8 = 2/3(6) + 4 ?

8 = 4 +4?

8 = 8

Calculate the value of each expression.

Type each value in the corresponding boxes below.

Answers

Answer:

140

-2.6

0

Step-by-step explanation:

60 -(-80) if there is - - that means +

60 + 80 = 140

2.3 + (-4.9) if its + - it just means - ignore the plus

2.3 - 4.9

-2.6

4.5 + (-4.5)

0

Answer:

a.140

b. -2.6

c. 0

Step-by-step explanation:

a.60-(-80)= 60+80 because two negatives make a positive

=140

b. 2.3+(-4.9)= 2.3-4.9

= -2.6

c. 4.5+(-4.5)=0

What is an equation of the line that passes through the point (8,2) and is parallel to the line x+4y=28

Answers

Answer:

[tex]y =\frac{-1}{4}x + 4[/tex]

Step-by-step explanation:

Parallel lines have same slope

x + 4y = 28

    4y = -x + 28

     [tex]y=\frac{-1}{4}x+\frac{28}{4}\\\\y=\frac{-1}{4}x+7[/tex]

m = (-1/4) and line passes through (8 , 2)

Equation: y - y₁ = m(x - x₁)

  [tex]y - 2 = \frac{-1}{4}(x - 8)\\\\y -2 = \frac{-1}{4}x - 8*\frac{-1}{4}\\\\y -2 = \frac{-1}{4}x + 2\\\\ y = \frac{-1}{4}x + 2 +2\\\\ y =\frac{-1}{4}x + 4[/tex]

a person walks 80 feet in 40 seconds. what equation represents this relationship. how many feet will the person walk in 10 seconds

Answers

Answer:

20 feet

Step-by-step explanation:

[tex]\frac{80 feet}{40 seconds}[/tex]  = [tex]\frac{x feet}{10 seconds}[/tex]

Simplify [tex]\frac{80}{40}[/tex]

[tex]\frac{80}{40}[/tex] = [tex]\frac{2}{1}[/tex]

Every 1 second, a person will walk 2 feet.

[tex]\frac{x}{10}[/tex] = [tex]\frac{20}{10}[/tex]

X = 20 feet

Answer:

20 feet

Step-by-step explanation:

We can solve this two different ways:

The 1st and easiest way would be to first divide [tex]40/10[/tex] to get [tex]4[/tex], and then divide [tex]80/4[/tex] to get [tex]20[/tex].

This method works well in this situation because all the numbers are easily divisible, but in some situations this method may give you decimals which would make things more difficult.

In a situation like that, you would create a simple equation using this format: [tex]y=m(x)[/tex] in which [tex]y[/tex] represents the total number of feet walked, [tex]m[/tex] represents the number of seconds, and [tex]x[/tex] represents number of feet walked per minute.

You would start by finding out the number of feet walked per minute. You do this by plugging the information you know into the equation. We know that the person walks 80 feet in 40 seconds so the equation would look like this: [tex]80=40x[/tex]

To solve for [tex]x[/tex], you would then divide 40 on both sides to get [tex]2=x[/tex]

Now that we know that the person walks 2 feet every second, we can plug the information into a new equation to find out how far they go in 10 seconds. This equation will look like this: [tex]y=10(2)[/tex] and we can solve it to learn that [tex]y=20[/tex]. This means that the person will walk 20 feet in 10 seconds.

How is the product of 2 and-5 shown on a number line

Answers

Answer:

-10

Step-by-step explanation:

start at 0 and move backwards 5(gives you -5) then move backwards 5 more(-10)

9^2 - (4) (2) (-6) what is the answer?

Answers

Answer:

129

Step-by-step explanation:

pls heart and give brainliest much appreciated

Lexi ran 2/4 of a mile in 1/10 of an hour. At this rate, in how long does she run one mile?

Answers

Answer:A runner ran 20 miles in 150 minutes. If she runs at that speed,. How long would it take her to run 6 miles? ... How fast is she running in miles per hour? ... experience in reasoning with equivalent ratios and unit rates from both sides of the ratio.

Step-by-step explanation:

Answer:

0.2 hours

Step-by-step explanation:

Givens

2/4 mile = 1/2 mile when 2/4 is reduced. 1/2 = 0.5 miles in decimal form.

1/10 = 0.1

0.5 miles        1 mile    

=======      =  ======

0.1 hours         x hours

Solution

Cross multiply

x* 0.5 = 0.1 * 1                        Combine

0.5 x = 0.1                              Divide by 0.5

x = 0.1/0.5

x = 0.2                                   hours.

A banner measures 5.4 feet long.

How long does the banner measure in inches and in yards?

Enter your answers in the boxes.

Answers

Answer:

64.8 inches, 1.8 feet

Step-by-step explanation:

5.4*12=64.8

5.4/3=1.8

Answer:

Inches: 64.8, Yards: 1.8

Step-by-step explanation:

To get inches you multiply 5.4 by 12 and you get 64.8. To get yards you divide 5.4 by 3 and you get 1.8.

A. Antonia has a green rope and a blue rope. Her green rope is 4 feet in length. She cut the green rope into 2 pieces. One of the pieces is 21 inches in length.
How many inches long is the other piece of the green rope? Use words and numbers to explain your reasoning.
B. Antonia's blue rope measures 2 yards. She wants to cut the rope into MORE than 3 pieces so all the pieces of rope are equal in length with no rope left over.
What is ONE possible way that Antonia can cut the rope so that each piece of rope is less than 24 inches in length? Use words and numbers to explain your reasoning.
Type your answer in the box below. Make sure to label each part with A and B.

Answers

Answer:

The other part is 27 in. long

Step-by-step explanation:

1 ft is 12 in

2 ft are 24 in

4 ft are 48 in

48 in - 21 in = 27 in

Answer:

Part A

Green rope = 4 ft

As 1 ft = 12 in

Then 4 ft = 4 × 12 in = 48 in

Antonia cuts the green rope into 2 pieces.  One of the pieces is 21 in long.  To find the length of the unknown piece, subtract the length of the known piece from the total length:

length of unknown piece = 48 - 21

                                           = 27 in

Part B

Blue rope = 2 yd

1 yd = 36 in

Therefore, 2 yd = 2 × 36 = 72 in

Antonia wants to cut the rope into MORE than 3 pieces, and all the pieces need to be of equal length.  As the length of the rope is an even number of inches, Antonia could first cut the rope in half, so she would have 2 pieces each of 36 in in length.  Then she could cut both of those lengths in half, so she would have 4 pieces each of 18 in in length.

HELP PLEASE! 30 POINTS AND WILL MARK BRAINLIEST.
Write the first 4 terms of the sequence defined by the explicit rule

f(n)=n^2-5

Answers

Answer:

-4,-1,4,11

Step-by-step explanation:

f(n)=n^2-5

Let n= 1

f(1)=1^2-5 = 1-5 = -4

Let n= 2

f(2)=2^2-5 = 4-5 = -1

Let n= 3

f(3)=3^2-5 = 9-5 = 4

Let n= 4

f(4)=4^2-5 = 16-5 = 11

Find the slope between the two points.
(3, 7) and (-4, 2)

Answers

Answer:

5/7

Step-by-step explanation:

Answer:

slope=5/7

Step-by-step explanation:

y-y=m(x-x)

7-2=m(3+4)

5=m(7)

5/7=m

605 and 1152 to the nearest tenth

Answers

Answer:

600 and 1200

Step-by-step explanation:

pizzas cost 14$ and you have 60$ how many pizzas can you buy and whats the remainder and quotient

Answers

Answer:

you can buy 4 pizza's and have $4 left over

Step-by-step explanation:

60/14 = 4.2857...

14 x 4 = 56

60 - 56 = 4

Answer:

quotient: 4

remainder:4

Step-by-step explanation:

you can buy 4 pizzas in all

Please someone I need help
I will give3 BRAINLY
5 STARS and a THANKS
Please help

HINT: Add 5 yrs to x

Answers

Answer:

the answer is 5 + x

Step-by-step explanation:

The reason is because since you do not know the age of sam you cant put a number infront of x. So you just add 5 + x

Sams age in 5 yrs time
= (x + 5) yrs

I need to know the answer to this and how to solves

Answers

Answer:

B is the answer

Step-by-step explanation:

looking at line CF,

it is a straight line thus being 180°

the < EOD is 90° < EOF is 55°

let < COD = t

therefore,

EOD + EOF + COD = 180

90 + 55 + t = 180

taking terms

t = 180 - (90 + 55)

t = 180 - 145

t = 35

COD = 35

EOD = 90

THUS, COE = COD + EOD

COE = 35 + 90

COE. = 125

DO MARK BRAINLIEST

Plzz help this assignment is due tomorrow!!

Answers

Answer:

Rip dude XD Ur gonna die

Can someone help please, I put answers but I’m not sure if they’re right

Answers

Answer:

Step-by-step explanation:

x = y

x² + x² = 18²

2x² = 324

x² = 162

x = √162

x = y = 9√2

Square root of 125 it’s between ___ and ___. It’s closer to ___.

Answers

Answer:

explantion IS the answer

Step-by-step explanation:

To estimate the square root of a number, we could start by relating the square to known perfect squares. 125 is between 11 and 12. It is probably closer to 11 since 125 is closer to 121 than to 144.

11 and 12 and I would say it’d be closer to 11

What is the change in the scale factor from the old scale to the new scale?

Old: 1 inch = 3.3 feet. New: 1 inch = 1.1 feet.
1 to 3
1 to 2.2
2.2 to 1
3 to 1

Answers

Answer:

The Answer is 3 to 1 I'm 100% sure

Step-by-step explanation:

Answer:

d

Step-by-step explanation:

what is a Gratitude to you?

Answers

appreciating what you have or what someone has done for you

The revenue, Y, received for selling, t, DVD players is given by the equation: Y = -1/1000 t^2 + 10t. Find the number of DVD players that must be sold to obtain the maximum revenue.

Answers

The equation Y = -1/1000 t^2 + 10t is an illustration of a quadratic function

The number of DVD players that must be sold to obtain the maximum revenue is 5000

How to determine the number of DVDs?

The equation of the function is given as:

[tex]Y = -\frac 1{1000} t^2 + 10t[/tex]

Differentiate the function

[tex]Y' = -2 * \frac 1{1000} t + 10[/tex]

Set to 0

[tex]-2 * \frac 1{1000} t + 10 = 0[/tex]

Simplify

[tex]- \frac 1{500} t + 10 = 0[/tex]

Subtract 10 from both sides

[tex]- \frac 1{500} t = -10[/tex]

Multiply both sides by -500

[tex]t = 5000[/tex]

Hence, the number of DVD players that must be sold to obtain the maximum revenue is 5000

Read more about maximum revenue at:

https://brainly.com/question/25638609

Find the 70th term of the arithmetic sequence 11,19,27

Answers

Answer:

should be 563

Step-by-step explanation:

11,19,27,35, 43, 51, 59, 67, 75, 83,

91, 99, 107, 115, 123, 131, 139, 147, 155, 163,

171, 179, 187, 195, 203, 211, 219, 227, 235, 243

(there is a notable difference of 80 on each row)

243+(80x4)=243+320=563

Answer:

563

Step-by-step explanation:

This is an arithmetic sequence since there is a common difference between each term. In this case, adding to the previous term in the sequence gives the next term. In other words, .

Formula;

L = a + (n - 1)*d

Givens

n = 70

a = 11

d = 8

Solution;

t = 11 + (70 - 1)*8

t = 11 + 69*8

t = 11+ 552

t = 563

~Learn with lenvy~

There are 23 animals in the field. Some are pigs and some are ducks. There are 80 legs in all. How many of each animal are in the field?

Answers

Answer:

Pigs = 17

Ducks = 6

Step-by-step explanation:

Let there be x pigs and y ducks in the field.

[tex]\implies x + y =23[/tex]

[tex]\implies y =23-x.....(1)[/tex]

Since, there are 80 legs in all.

Each pig has 4 legs and each duck has 2 legs. So, x pigs will have 4x legs and y ducks will have 2y legs.

Total legs = 4x + 2y

Total legs = 80 (Given)

[tex]\implies 4x + 2y =80....(2)[/tex]

From equations (1) & (2), we find:

[tex]\implies 4x + 2(23-x) =80[/tex]

[tex]\implies 4x + 46-2x =80[/tex]

[tex]\implies 2x =80-46[/tex]

[tex]\implies 2x =34[/tex]

[tex]\implies x =\frac{34}{2}[/tex]

[tex]\implies x =17[/tex]

[tex]\implies y =23-17[/tex]

[tex]\implies y =6[/tex]

2x + 4 = 6x -8

X=2
No solution
X=4
X=3

Answers

Answer:

x=3

Step-by-step explanation:

-8-4=-12

2x-6x=-4

-12÷-4=3

Hope this helps! :)

How do I find the area of a triangle in a coordinate plane

Answers

The first formula most encounter to find the area of a triangle is A = 1⁄2bh. To use this formula, you need the measure of just one side of the triangle plus the altitude of the triangle (perpendicular to the base) drawn from that side. The triangle below has an area of A = 1⁄2(6)(4) = 12 square units.
Other Questions
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