anyone know inverse operations, cause I am confused, I looked online and it said
Example: 20 + 9 = 29 can be reversed by 29 − 9 = 20 (back to where we started)
And the other way around:

Example: 15 − 3 = 12 can be reversed by 12 + 3 = 15 (back to where we started)
so like when do we do the 2nd way or can we just do either one of them???

Answers

Answer 1

Answer:

For inverse operations, it helps make solving equations easier. Say if you'd rather add than subtract, then you can do the inverse of a negative equation.

Inverse operations are also very helpful for linear equations.

To find the inverse of an equation, we change the plus sign to a negative sign. Then, we switch the first number and the answer.

Ex:

13 - 2 = 11    (now change plus to minus)

13 + 2 = 11      (not the answer yet)

Now we switch the first number with the answer!

11 + 2 = 13

Hope this helped, I tried to explain it easily.

Answer 2
11+2=13 that’s the answer maybe

Related Questions

State the degree of the polynomial.
-4x^4
A. 1
B. 3
C. 4
D. 2

Answers

Answer:

D

Step-by-step explanation:

Just like that guy said it’s D. 2

The relation shown in the graph is not a function.
True or False

Answers

Answer:

true. it can be a function only if its exponential, trigonometric or polynomial. that graph is none of them

hii I need help with these questions tyy!

Answers

Answer:

(7x+2)(3x-1); (5x+4)^2 or (5x+4)(5x+4);

Step-by-step explanation:

formula to find area is L* W = A ; meaning length multiplied by width equals to the area.

21.

using the formula to find area...

l*w=a

(7x+2)(3x-1) would be your answer

btw, don't put the "=a" at the end, since it's an expression :))

22.

since the problem states that it's a square, you can just say either...

(5x+4)^2 or (5x+4)(5x+4) not sure which one your teacher accepts

22.,,.,.,.,..,...,,,.

Determine the measures of the unknown angles in the figure.
m < APD =

m < CPE =

m < BPD =

Answers

Answer:

angle APD=115 degrees

angle CPE=25 degrees

angle BPD=65 degrees

Step-by-step explanation:

APD=180-65=115 because it is supplementary

CPE=90-65=25 because it is complementary

BPD=65 because it is an alternate angle

The measurements of the asked angles are m ∠APD = 115°, m ∠CPE = 25° and m ∠BPD = 65°.

What is an angle?

An angle is a geometrical shape that is formed by two rays or lines, called the sides or arms of the angle, that share a common endpoint, called the vertex of the angle.

Given is a figure, we need to find the measurement of the asked angles,

m ∠APD, m ∠CPE and m ∠BPD.

So,

∠APD + ∠APC = 180° [linear pair]

∠APD = 180° - 65°

∠APD = 115°

∠CPE + ∠CPA = 90° [complimentary angles]

∠CPE = 90° - ∠CPA

∠CPE = 90° - 65°

∠CPE = 25°

∠BPD = ∠APC [vertical angles]

∠BPD = 65°

Hence, the measurements of the asked angles are m ∠APD = 115°, m ∠CPE = 25° and m ∠BPD = 65°.

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ANYONE PLEASE HELP!!!
How would you graph the solution set of ≤ -18?

closed circle on -3 and shaded to the left
closed circle on -108 and shaded to the left
closed circle on -3 and shaded to the right
closed circle on -108 and shaded to the right

Answers

closed circle on -18 shaded to the left because it’s less than or equal to -18 (i think u meant to put -18 not -108)

Expressions in brackets should always be calculated first. If there are no brackets in an algebraic expression, it means that multiplication and division must be done first, and addition and subtraction afterwards.

Answers

Answer:

This statement is true

Step-by-step explanation:

PLEASE HELP ASAP
WILL GIVE BRANLIEST

Answers

Answer:

y=2x-11

Step-by-step explanation:

Answer:

[tex]y = 2x - 11[/tex]

Step-by-step explanation:

Find the negative reciprocal of the slope of the original line and use the point-slope formula  [tex]y-_{1} = m (x - _{1})[/tex]  to find the line perpendicular to [tex]2x + 4y = 12[/tex].

Your answer is  [tex]y = 2x - 11[/tex]

Have a great day.

1 how many more calories should a person on a 2,000-calorie diet eat from veggies than from carbs?

2 if a person is on an 1,800-calorie diet,then how many of their calries will come from fruit?

3 a person on a 2500 calorie diet states that they ar healthier because they eat more calories from veggies. explain why this is or is not accurate

4 according to the graph above which of the following best represents the number of calories from protein a person on a 2200 calorie diet should consume
A 450
B 550
C 625
D 650

Answers

4. A
I seen the problem bf hope it helps

The calories from the different diets are given below.

1.  2,000 calories diet eat from veggies than from carbs is 200 calories.

2.  1,800 calories diet from fruit is 270 calories.

3.  2500 calorie diet, healthier because they eat more calories is not accurate.

4.  2200 calorie diet eat from protein is 550 calories. Then option B is correct.

What is the percentage?

The amount of something is expressed as if it is a part of the total which is a hundred. The ratio can be expressed as a fraction of 100. The word percent means per 100. It is represented by the symbol ‘%’.

1.  The calories should a person on a 2,000 calories diet eat from veggies than from carbs will be

→ 2000 × 0.35 = 700 calories

→ 2000 × 0.25 = 500 calories

→700 – 500 = 200 calories

2.  If a person is on a 1,800 calories diet, then the calories will come from fruit will be

→ 1800 × 0.15 = 270 calories

3.  A person on a 2500 calorie diet states that they are healthier because they eat more calories from veggies will be

→ 2500 × 0.35 = 875 calories

Because veggies have more calories than others. Thus, inaccurate.

4.  The number of calories from protein a person on a 2200 calorie diet should consume will be

→ 2200 × 0.25 = 550 calories

More about the percentage link is given below.

https://brainly.com/question/8011401

Darlene had 1.56 pounds of beads to make bracelets. She gave 0.978 pounds to her friends. How many pounds of beads does she have left?

Answers

Answer:

0.582 pounds of bread left

Step-by-step explanation:

1.56 - 0.978 = 0.582

(could i have brainliest if right thanks)

help pls im in a timer?! Michael is measuring fabric for the costumes of a school play. He needs 47 feet of fabric. He has 12 1/3yards of fabric. How many more yards of fabric does he need?

Answers

47-12 1/3= 34 2/3 so the answer is 34 2/3 yards of fabric
3 and 1/3 yards of fabric

Please help ASAP thank you!!!!!!!!!!!!!!!!!!!!!

Answers

Answer:

58.9 m

Step-by-step explanation:

To find the width, use the area by dividing 215.2/16 to get 13.45. You now have the length and the width so add 16 + 16 + 13.45 + 13.45. You get 58.9.

Hope it helps!

I’m being timed hurry!!!

Answers

Step-by-step explanation:

go left 10 and down 2 this due to the numbers being negative.

Answer:

Step-by-step explanation:

10 points to the left, 2 points down

Tara's music teacher requires students to practice their instrument at least 9 hours each week. Tara usually spends 2.5 hours practicing on weekends. She also plans to practice an equal amount on Tuesday, Wednesday, and Thursday this week. In addition to the weekend hours, how many hours must she practice each of those days to achieve at least 9 hours of practice?

Anyone have the steps to solve?

Answers

Answer:

She will need to practice 6.5 hours during Tuesday, Wednesday, and Thursday or 2.2 hours on each of the days she will practice.

Step-by-step explanation:

An infant playpen is in the shape of a circle. If the playpen has a radius of 2, what is the approximate area of the playpen? Use 3.14 for pi.

a 12.56 square meters
b 6.28 square meters
c 3.14 square meters
d 10.14 square meters

Answers

Answer:

The answer is 12.566 or 12.57

Step-by-step explanation:

The formula for the area of a circle is [tex]\pi[/tex]r²

∴ 3.14×(2)² is equal to 12.566 or 12.57

Your answer is A : 12.56

anyone know? need help asap please

Answers

Answer:

y=-2x+190

Step-by-step explanation:

what is the answer?
30/r =

Answers

Not sure, can you elborate?

Answer:

R=30

hope it helps

(◔‿◔)

What is the mean and MAD of this data set?
NO RUFF STUFF ANIMAL HOSPITAL
n = 7
Mean: 8 gerbils
MAD: 30 gerbils
The number of gerbils seen per day:
0, 3, 6, 9, 11, 13, 14
Mean: 9 gerbils
MAD: 30 gerbils
Mean: 8 gerbils
MAD: 4.29 gerbils
Mean: 9 gerbils
MAD: 4.29 gerbils

Answers

Mean: 8 gerbils

MAD: 4.29 gerbils

Use the​ power-reducing formulas to rewrite the expression as an equivalent expression that does not contain powers of trigonometric functions greater than 1.

2(sin^4)x

Answers

Answer:

13sin4(x) = 39/8 - 13/2cos(2x) + 13/8cos(4x)

Step-by-step explanation:

13sin4(x) = 39/8 - 13/2cos(2x) + 13/8cos(4x)

A student usually saves $20 a month. He would like to reach a goal of saving $350 in
12 months. The student writes the equation 12(x + 20) = 350 to represent this situation.
Solve the equation for x.
• Show your work or explain your answer.
• Write your answer as a sentence that describes what the variable x represents

Answers

Answer:

Step-by-step explanation:

12x + 240 = 350

12x = 110

x = [tex]\frac{110}{12}[/tex]

x is how much money the student needs to save more amonth. so insead of saving 20 dollars the student would have to save 20+x dollars and x is [tex]9.16666666666.....[/tex]

What is the equation of the line

A.Cannot be determined
B. y=2x+2
C y= -x+2
D. Y= 2x-2

Answers

Answer:

Step-by-step explanation: good luck;)

it’s infinitely many solutions but sorry ion know that answer

The model below represents an equation. Write the equation that is modeled then find what value of x makes the equation true.
HELP ASAP I HAVE TO TURN IT IN THE TEACHER IS GONNA CHECK HOMEWORK AND THIS IS THE LAST ONE BUT I DON'T KNOWWWW HELP ASAP

Answers

6x-5=4x+5
+5

6x=4x + 0
-4x
2x=0
x =0

probably to late but whatever

1. Thad bought 8 notebooks that cost $3.79 each. If he gave the cashier a $50 bill, how much change did he get back from the purchase?
2.Lucy purchases a car for $16,314.40. If she makes a payment each month for the next 40 months, how much will she pay each month. (enter your answer as $dollars.cents)

Answers

Answer:

Step-by-step explanation:

1. Cost of each notebook = 3.79

Cost of 8 notebooks = 3.79 x 8 = 30.32

Amount gave to cashier = 50

Change = 50 - 30.32 = 19.68

407.86
Og. Cost - $16,314.40
Months - 40
I divided $16,314.40 by 40 and got $407.86

Lucy will pay $407.86 dollars each month for 40 months.

Thanks, brainliest, and 5 stars!!
Johnetta was simplifying 7/9 divided by 3/8 and her work is shown below. Identify where she made her error.

Original problem: 7/9 divided by 3/8.

Step 1: 7/9 multiplied by 3/8.

Step 2: 7 times 3/9 times 8 .

Step 3: 21/72.

Step 4: 7/24.

Answers

I hope this helps its step 2 gl

Order Of operation.
12) Jennifer earns $78 per day working at a supermarket. She spends $8 each day at lunch and her gas to get to and from work is $6 per day. How much money will she earn in 28 days?

Answers

So, first let’s see how much income she makes in 28 days. To do this we multiply 78$ by 28, which gives us 2184. Now we need to calculate the total of her expenses, how much money she spends. She spends 8 dollars per day at lunch, and 6 dollars per day to and from work. So let’s add 8 plus 6, and we get 14. Now let’s multiply 14 by 28 which gives us 392. Now we subtract 2184 minus 392, and we get 1792. So our answer is 1792$

Answer:

$1792

Step-by-step explanation:

$78 x 28 = 2184

28 x $8 = 224

28 x $6 = 168

168 + 224 = 392

2184 - 392 = $1792

Check Work:

1792 + 392 = 2184

2184 / 78 or 2184 / 28

=78

Here It´s Go The Question Down Below

Answers

5(7) + 5^2/5
35 + 25/5
60/5 divide both sides by 5
= 12
The simplified answer is 12

In a recent season, the Kansas Jayhawks has 15 guards, 4 forwards, and 3 centers on their roster. Write two equivalent expressions using the Associate Property that can be used to find the total number of players on their roster.

Answers

Answer:

(15+4)+3

15+(4+3)

Step-by-step explanation:

Just move the parenthesis

Need help ASAP BC it’s too hard for me

Answers

Answer:

1=3

Step-by-step explanation:

Subtract the number without the x from the answer then find a multiple of the number with the x for example

5x+2=17

17-2=15

Multiples

X1= 5

X2=10

X3= 15

Answer:

I hope this helps :)

Step-by-step explanation:

- 5x + 2 = 17 -- x = 3

- 3x + 5 = 36 -- x = 10.333

- x/3 - 14 = 9 -- x = 7.667 (Might be wrong)

- 73 = 3x - 20 -- x = 31

- 2x - 14 = 7 -- x = 10.5

- 53 = 9x - 1 -- x = 6

can some one please help meh :P

Answers

Answer:6k-4m

because it the answer

6k-4m

Combine like terms, 4k + k + k= 6k.
You cannot combine 4m and 6k because they are not like terms. You are left with 6k - 4m

What is
9 - 3 divided by 1/3 + 1 =

Need it ASAP

Answers

Answer:

0.9999

Step-by-step explana

Answer:

4.5   or 1

Step-by-step explanation:

(9-3)/(1/3+1) = 6/(4/3) = 4.5

but, if:

9 - 3/(1/3) + 1, then

9-9+1 = 1

parentheses can be your friend

the vertices of △ABC are ​A(-5,4),B(-2,4),and C(-4,2). If ABC is reflected across the​ y-axis to produce the image △ABC​, find the coordinates of the vertex C


the coordinates of C are...

Answers

Answer:

(4, 2)

Step-by-step explanation:

Because ABC is reflected across the y-axis, this means that the y coordinate will remain the same, and the x coordinate is the negative of its original (because it is being flipped)

If the vertices of △ABC are ​A(-5,4),B(-2,4),and C(-4,2). If ABC is reflected across the​ y-axis to produce the image △ABC​, then coordinates of the vertex C is (4,2)

What is coordinate system?

a coordinate system is a system that uses one or more numbers, or coordinates, to uniquely determine the position of the points or other.

Given that,

Vertices of △ABC are ​A(-5,4),B(-2,4),and C(-4,2).

If ABC is reflected across the​ y-axis to produce the image △ABC.

We need to find the image of △ABC.

We need to find coordinates of vertex C.

As ABC is reflected across the y-axis, this means that the y coordinate will remain the same,

As the triangle is flipped the sign of x coordinate is the negative of its original.

Hence (4,2) is the coordinates of the vertex C.

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