sole w - 12 = -3 using mental math

Answers

Answer 1

Answer:

-15

Step-by-step explanation:

Answer 2

Answer:

w=9

Step-by-step explanation:

w - 12 = -3

w-12+12=-3+12

w=9


Related Questions

What is the eighth term of the sequence that begins with 1, 3, 7, 13, 21, ... ?

Answers

31 because it is adding 2 to each number

The lowest recorded temperature in a town was 4ºF, without the windchill. With the wind, the temperature felt like 10ºF below zero. On a number line, what is the distance between the two temperatures?
6
7
14
15

Answers

Answer:

14

Step-by-step explanation:

got it right on edge 2020 got 100% on the quiz

The lowest recorded temperature in a town was 4ºF, without the windchill. With the wind, the temperature felt like 10ºF below zero. On a number line, what is the distance between the two temperatures?

6

7

-->14

15

PLEASE HELP ME IM DESPERATE!

Answers

Answer:

3/12

Step-by-step explanation:

The slope is Rise over Run

They gave you the rise of 12ft

and a horizontal change is equal to run which is 100.

12/100 simplifies to 3/12.

Hope this helps.

Hi kind person you mind helping? (I’m giving 100 pts btw) ok thanks have a good day!

Answers

Answer:

52° since AGE is the same angle as FHD

Step-by-step explanation:

find the side length of the triangle

Answers

Answer:

19

Step-by-step explanation:

The markings on the triangle means that this is an equilateral triangle (All sides are the same length)

So, we can set the two equations we have equal to each other

4x + 7 = 3x + 10

x + 7 = 10

x = 3

Plug it into either equation

3(3) + 10 = 19

"The sum of half a number and 13 is 9" DO NOT SOLVE, please just translate the equation.

Answers

Multiply the entire equation by 2 , Subtract 26 from both sides , The original number is -8

Which of the following sentences correctly keeps a consistent verb tense?

a
He jumped out of the airplane and deployed his parachute.

b
He jumped out of the airplane and deploying his parachute.

c
He will be jumping out of the airplane and deployed his parachute.

d
He's jumping out of the airplane and deployed his parachute.

Answers

Answer:  b

He jumped out of the airplane and deploying his parachute.

Step-by-step explanation: The first sentence because the verbs keep a -Ed ending, signifying the last tense through the whole sentence

Answer: b

He jumped out of the airplane and deploying his parachute.

Step-by-step explanation:

Help plsssssssssssss

Answers

Answer:5

Step-by-step explanation:-7+8=1 so-3+8=5

What is the solution for x in the equation?


9 - 10x2x+1-8x

x = ?

Answers

Answer:

-3x

Step-by-step explanation:

this is the answer I think

Which of the following values are solutions to the inequality 4+2x\le 4?4+2x≤4?
\text{I.}\hspace{2px}0\hspace{20px}\text{II.}\hspace{2px}-4\hspace{20px}\text{III.}\hspace{2px}-3
I.0II.−4III.−3

Answers

I got 14 to the third power because when You multiply the quadratics

what is 3/4(2x+5)=5(x+12)

Answers

Answer:

--16 1/14, -225/14 or -16.07

Step-by-step explanation:

3/4(2x+5)=5(x+12)

3x/2+15/4=5x+60

-225/14

I just need go with the one I selected ​

Answers

x + y + 2x = 180

180 = x + 60 + 2x
180 = 3x + 60
120 = 3x
x = 40

3x + y = 180
120 + y = 180
y = 60

In which choice are all four points on the same straight line?
A. (-3, -6), (-2, -3), (0, -4), (3, -4)
B. (2, 1), (0, 0), (-1, 1), (-2, -3)
C. (-4, 4), (-2, -2), (2, -1) (3, -2)
D. (-7, -3), (-4, 0) (0, 4), (3, 7)
If u help me on this ill give u brainlist

Answers

Answer:

The answer is D.(-7, -3), (-4, 0) (0, 4), (3, 7)

Step-by-step explanation:

I did this on a test last week and i got this question right.

Mr. Smith has an online cooking show. Before he films an episode about baking the perfect pound cake, he prepares his ingredients. His recipe calls for 2 1 2 cups of sugar for the cake and 1 1 4 cups of sugar for the vanilla glaze. How many 1 4 -cup scoops of sugar does he need? Write your answer as a whole number, fraction, or mixed number. Simplify any fractions.

Answers

Mr. Smith has an online cooking show. Before he films an episode about baking the perfect pound cake, he prepares his ingredients. His recipe calls for 2 1 /2 cups of sugar for the cake and 1 1/ 4 cups of sugar for the vanilla glaze. How many 1 /4 -cup scoops of sugar does he need? Write your answer as a whole number, fraction, or mixed number. Simplify any fractions.

Answer:

15

Step-by-step explanation:

We are given

Mr. Smith's recipe calls for 2 1/2 cups of sugar for the cake and 1 1/4 cups of sugar for the vanilla glaze.

The total amount of sugar he would need

2 1/2 + 1 1/4

= (2 + 1) + (1/2 + 1/4)

= 3 3/4 cups of sugar.

We need this amount of sugar in 1/4 cup scoops.

This is calculated as:

let x be the number of scoops needed

x * 1/4 = 3 3/4

x* 1/4 = 15/4 ( 3 3/4 = 15/4)

x= 15

Therefore, he would be needing 15 , 1/4 cup scoop of sugar

Cassie and her friend Molly played the balloon-pop game at the Belltown County Carnival. Cassie threw a total of 10 darts, 7 of which popped balloons. Molly threw a total of 5 darts, 4 of which popped balloons. Who had a greater ratio of darts that popped balloons to total darts?

Answers

Answer:

Molly had a greater ratio.

Step-by-step explanation:

If I were to multiply Molly's ratio by two it would give us 10:8 which is now comparable to 10:7 and 10:8 is greater than 10:7, therefore, Molly had the greater ratio. Hope this helps! Have a great day!

What does -B + a = 8 mean

Answers

Answer:

Step-by-step explanation:

If you're looking to find what b= Subtract a from both sides

-b=-a-8

Then divide negative 1 from both sides to equal

b=a+8

If you're looking to find what a= Add b to both sides

a=b+8

Half the value of 3x-9 is x+37. What is the value of x?

Answers

Answer:

x = 83

Step-by-step explanation:

You know that half of 3x-9 is x+37. That means 2(x+37) = 3x-9. Solve the left side of the equation. You will get 2x+74. Now the whole equation is 2x+74=3x-9. Well, move the like terms to each of their sides. You will now have 74+9 = 3x-2x. Simplify and you will get 83 = x.

Hope this helps! Please mark me as brainliest!

Answer:

x=83

Step-by-step explanation:

Since we know that half of 3x-9 is x+37, that's the same as saying the double of x+37 or 2(x+37) is equal to 3x-9. So, we can write this equation: 3x-9=2(x+37). Now, all we have to do is use simple algebra to solve the problem:

   Steps               Justification

3x-9=2(x+37)   Original Equation

3x-9=2x+74     Distributive Property of Equality

x-9=74             Subtraction Property of Equality (Subtract 2x from both sides)

x=83                Addition Property of Equality (Add 9 to both sides)

Hope this helps!! :)

A store sells mugs Each mugs cost the same amount. During a sale the store reduces of each mug by $1.75 Wen spends $28.20 on 5 mugs at the sale price what was the price of one mug before the sale

Answers

Answer: $7.39

Step-by-step explanation:

From the question, we are informed that a store sells mugs and that each mugs cost the same amount. We are further told that during a sale the store reduces of each mug by $1.75 and that Wen spends $28.20 on 5 mugs.

Since the store reduced $1.75 on each mugs, the amount that When would have paid without the discount will be:

= $28.20 + ($1.75 × 5)

= $28.20 + $8.75

= $36.95

The price of one mug before the sale will then be:

= $36.95 / 5

= $7.39

Answer:

7.39

Step-by-step explanation:

write the linear equation

Answers

Answer:

y = 3/5 +2

Step-by-step explanation:

PLS HELP ASAP IM FAILING MATH

Answers

Answer:

1.B

2.A

3.D

4.C

Step-by-step explanation:

Hello! Since f(a) = 5a + 12, you need to substitute the a values into the equation.

For example, 1:
1. a = 6; you will substitute the a value for 6.
f(a) = 5a + 12
f(a) = 5(6) + 12
f(a) = 30 + 12
f(a) = 42

Do the same for the other ones. This will help you not fail math.

26) Hailey is 3 times as old as Maverick.
The sum of their ages is 48 years. How
old is Maverick?

Answers

Let H = Hailey's age and M = Maverick

Hailey is 3 times as old as Maverick: H = 3M

The sum of their ages is 48 years: H + M = 48

Since H = 3M, substitute 3M in place of H in the second equation:

H + M = 48

3M + M = 48

4M = 48

M = 12

Maverick is 12 years old. Hailey = 3M = 3(12) = 36 years old.

Maverick is 12 years old. I used the equation (3x)+x=48. X represents Mavericks age.
I plugged in a random number for x until the equation equaled 48.

What is the mapping notation that will transform triangle ABC to triangle A'B'C'?

Answers

Answer:

I cant see it so can u do something so i can see it plz

The number of boys is 3 more than double the girls. Together, there are 54 students in total. How many boys and girls are there?

Answers


54-3=51
51=1x+ 2y
51 divided by 3= 17

So 17 girls and 37 boys

solve the inequality 3x-3<9

Answers

Answer:

x < 4

General Formulas and Concepts:

Pre-Algebra

Equality Properties

Step-by-step explanation:

Step 1: Define inequality

3x - 3 < 9

Step 2: Solve for x

Add 3 to both sides:                    3x < 12Divide 3 on both sides:                x < 4

Here we see that any number x smaller than 4 would work as a solution.

Answer:

x < 4 is the answer.

Step-by-step explanation:

3x - 3 < 9 <----- This is the original question.

3x - 3 + 3 < 9 + 3 <----- Add 3 to both sides.

3x < 12 <-----Simplify

3x/3 < 12/3 <----- Divide both sides by 3.

x < 4 = x is less than 4

Hope this helps! :)

What are the three steps to dividing fractions

Answers

Answer:

There are 3 or more steps to dividing fractions

Step-by-step explanation:

1. The first step to dividing fractions is to find the reciprocal (reverse the numerator and denominator)

2.Next, multiply the two numerators

3.Then, multiply the two denominators.

4.Finally, simplify the fractions if needed

Clare volunteers at a local library during the summer. Her work includes putting labels on 750 books.

How many minutes will she need to finish labeling all books if If she takes no breaks and labels:

Answers

Answer:

How much time does it take for one book tho?

Step-by-step explanation:

If it takes two minutes for one book then it would take 1,500 minutes for all books to be labled.

I ONLY HAVE 5 MIN TO ANSWER PLEASE HELP ME !!!!!!!!!!!
How do you determine which values to multiply when you apply the distributive property?

WILL MARK BRAINLIEST!!!

Answers

multiplying two numbers (factors) together will result in the same thing as breaking up one factor into two addends, multiplying both addends by the other factor, and adding together both products

What is the answer to the qustion 0.3h+1.2=0.1h-2.6

Answers

Answer:

-19

Step-by-step explanation:

0.3h+1.2=0.1h-2.6

.2h+1.2=-2.6

.2h=-3.8

h=-19

Mary ran 3.45 miles on Monday, 2.2 miles on Tuesday, 0.055 miles on Wednesday, and 9.03 miles on Thursday. How many total miles did she run?

Answers

Well all you need to do is add them so 3.45 + 2.2 = 5.65 then add 0.055 to 5.65 which is 5.705 and last but not least, add 9.03 to 5.705 which is 14.735 which makes 14.735 how many miles she ran. Hope this helps

What is the range of f(x)=−3x+4

A. the set of real numbers less than 0
B. the set of real numbers less than 4
C. the set of real numbers greater than 4
D. the set of real numbers greater than 0

Answers

I think it’s b not sure tho

The range of the function f(x) = -3x + 4 is all real numbers

None of the options is correct

The given function is:

f(x)  =  -3x  +  4

The range of a function is the set of its valid output values

The function f(x) = -3x + 4 does not have any constraint, neither does it have any value that will make the function f(x) to be undefined.

Therefore, both the domain and the range of the function is a set of all real numbers

The range of the function f(x) = -3x + 4 is a set of all real numbers

Learn more here: https://brainly.com/question/19271624

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