Mathematics Middle School

What is 12-(3-1/2)? I NEED ASAP!! THANK YOU

Answers

Answer 1
I believe the answer is 9.5
Answer 2

9.5 because when you subtract 3-1/2 you get 2 1/2 and then you multiply by 12 and get 36 1/2

Related Questions

Are rational numbers closed under addition, subtraction, multiplication, and division?

Answers

Rational numbers are closed under addition, subtraction, multiplication, and division (with the exception of division by 0).

Explain your reasoning and include the equation you used to set up and solve this.

Please help!

Answers

To find the interior angle of C, you must subtract 117 (the exterior) from 180 (a straight lines angle) to find the interior angle

Angle C = 63.

180 - 65 (angle a) - 63 (angle c) = 52 (angle b)

Angle B = 52

hope this helps

Which of the following numbers are perfect squares?
27
36
81
108
121

Answers

36, 81, and 121 are all perfect squares
answer: 36, 81, and 121.

explanation: find out which numbers are perfect squares.

well, we know from our basic multiplication tables that: 6x6 = 36, 9 x 9 = 81 and 11 x 11 = 121.

what about 27 and 108?

we can rule out these numbers by finding square roots both bigger and smaller.

we know that 5 x5 = 25, so the square root of 25 is 5
we know that 6 x 6 = 36, so the square root of 36 is 6.

Perfect squares are whole numbers, and the square root of 27 is in between 2 other perfect squares, meaning it cannot be a perfect square.

we know that 10 x 10 = 100, so the square root of 100 is 10
we know that 11 x 11 = 121, so the square root of 121 is 11

Perfect squares are whole numbers, and the square root of 121 is in between 2 otehr perfect squares, meaning it cannot be a perfect square.

so, the only ones we can do are 36, 81, and 121. Hope this helps!

What is 0.26 written as a fraction in simplest form??

Answers

13/50 is the simplest form

Hope this helps :)

The simplified fraction of 0.26 is 13/50.

What is Fraction?

Every fraction has a numerator and a denominator separated by a horizontal bar known as the fractional bar.

The denominator represents the number of components into which the whole has been subdivided. It is positioned below the fractional bar in the lower section of the fraction.The numerator specifies how many fractional parts are depicted or selected. It is positioned above the fractional bar in the upper section of the fraction.

Now,  we can remove the decimal and put the number of zeroes in the denominator.

So, 0.26

= 26/100

Now, simplifying the fraction as

= 13/ 50

Thus, the simplified fraction is 13/50.

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x:2 (105-275:11):4=28

Answers

X:2+(105-275:11):4=28
X:2+(105-25):4=28
X:2+80:4=28
X:2+20=28
X:2=28-20
X:2=8
X=8×2
X=16

What is the fraction of 135%

Answers

the fraction is 135/100
First convert 135% to fraction by diving it by 100 so
 
135 / 100 = 1.35  

then put 135 over 100 to make fraction
 135             
-----
100

then simplfiy 
to become 27/20  

you then make it a proper fraction and write it like 
       7
      ---
1    20

PLEASE HELP ME :,(((((((((((((

Answers

The answer is:  "2.24 " .
_______________________________

Dingane has \$8.00$8.00dollar sign, 8, point, 00, and exactly 30\%30%30, percent of that money is from 555‑cent coins. How many 555‑cent coins does Dingane have?

Answers

Total amount = $8.00

30% of this amount is
0.3*$8.00 = $2.40

There are twenty 5-cent coins in 1 dollar.
Therefore the number of 5-cent coins in $2.40 is
2.40*20 = 48

Answer:  48

Eleven increased by the difference of twenty and a number

Answers

11+20-x

X is the number not given

List all number sets that apply to each number

Answers

a counting number is like 1,2,3,4,5,6 etc

whole numbers are like 0,1,2,3,4,5 etc

integers are like -4,-3,-2,-1,0,1,2,3,4, etc

rational numbers are number that can be writen in form a/b where a and b are integers and b≠0

irrational numbers can't be written in a/b, they are like pi and stuff

and then we've got real numbers which is irratinoal numbers and rational numbers

so


0.3333333333333333333=1/3, that's a rational number and a real number
Final answer:

Every number belongs to at least one number set, but might also belong to several other sets, depending on its attributes.

Explanation:

The question is asking you to categorize numbers into different sets based on their attributes. Let's use the sets S, A, and B from Solution 3.1 as an example.

Set S:{1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19}. This is a set of all positive integers from 1 to 19.

Set A:{2, 4, 6, 8, 10, 12, 14, 16, 18}, is a set of even numbers from the set S.

Set B:{14, 15, 16, 17, 18, 19} is a set that includes certain numbers from set S that satisfy a given condition.

So, every number belongs to at least one set (set S), but may also belong to multiple other sets (like A and B) depending on its attributes.

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 The largest exponent in a polynomial is called its _____.

Answers

Answer:Degree of a polynomial :)

Final answer:

In mathematics, the largest exponent in a polynomial is referred to as the polynomial's degree. For example, in the polynomial 2x^3 - 5x^2 + 3x - 7, the degree would be 3 as it is the highest exponent.

Explanation:

The largest exponent in a polynomial is called its degree. To understand this concept, consider the polynomial 2x^3 - 5x^2 + 3x - 7. Each 'x' represents a term, and the highest numerical exponent of these terms is the degree of the polynomial. In this case, the polynomial's degree is 3, since that is the highest exponent in the equation.

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an isosceles triangle has two 50 degrees angle . What is the measure of the third angle ? Explain how you found your answer

Answers

The triangle is 180 degrees in total.The sum of the two angles is equal to 100.SO the third angle is 80 degrees.

SUSAN AND TEO PLAY SOCCER. SUSANS TEAM PLAYS EVERY FIVE DAYS. TEO'S TEAM PLAYS EVERY SIX DAYS. WHEN WILL THE TWO TEAMS PLAY TOGETHER?

is the answer 30th?

Answers

Yes the answer is 30.
I don't know how the answer would be the 30th but no I believe not. they will not play together

The price of a cup of coffee has risen to $ 2.35 today. Yesterday's price was $ 2.20 . Find the percentage increase. Round your answer to the nearest tenth of a percent.

Answers

The answer for this question is 14.70%

a real-world problem for 5x=3x+20

Answers

5x=3x+20
x=10 I think  that's the answer
x+10 there chu goess

Is each equation true or false? 62−28=60−30 3⋅-8=(2⋅-8)−8 16-2+24-2=40-2

Answers

62 - 28 = 60 - 30
34 = 30
False

3 • -8 = (2•8) -8
-24 = 16 - 8
-24 = 8
False

16-28+24-2 = 40-2
-12 + 22 = 38
10 = 38
False

Answer:

From what I see its False

Step-by-step explanation:

Hope it helps even though I don't really explain

troy's truck has a 30 gallon gas tank and gets an average of 21 miles per gallon.write an equation to represent the amount of gas in troy' s truck after driving a certain number of miles (assuming he starts with a full tank).define your variables.

Answers

So, 30 gallons, and 21 miles per gallon. Lets say, the variable for the miles he can travel is x. What is x? x is 30 gallons that allow for 21 miles to be traveled for each, so it would be written like this.

x = 30 * 21

Write 5.9/100 as a percent.

Answers

0.059 x 100 = 5.9%
 

5.9% is your answer

hope this helps

➥ The easy way:

5.9/100 * 100 = 0.059 * 100 = 5.9%




I will give BRAINLIEST to whoever is correct.

Answers

the third one is correct
Look at the slope-intercept equation that is shown. It doesn't have a y-intercept part. That means it's 0. Which also means it passes through the origin.

The slope is [tex]\frac{1}{5}[/tex] which is also positive. So, we know the slope will be inclining.

The numerator means to move 1 positive on the y-axis.
The denominator means to move 5 positive on the x-axis.

The only graph that fits this equation is the bottom left one.

There was a total of $548 dollars collected for tickets to the school play. The adult ticket cost $6 and the student ticket cost $4. If 12 more student tickets were sold than adult tickets, find the number of adult and student tickets sold.

Answers

6A + 4S = 548
s = 12 + A

Substitute
6A + 4(12 + A) = 548
6A + 48 + 4A = 548
10A = 500
A = 50
S = 62

To solve the problem, two equations were set up: 6A + 4S = 548 and S = A + 12. By substituting A + 12 for S in the first equation and solving, it was determined that 50 adult tickets and 62 student tickets were sold.

To solve the problem of finding the number of adult and student tickets sold, we can set up two equations based on the given information. Let A be the number of adult tickets and S be the number of student tickets sold.

Firstly, we know that the total amount collected for tickets was $548. Thus, the first equation is: 6A + 4S = 548.

Secondly, we are told that 12 more student tickets were sold than adult tickets, which gives us the second equation: S = A + 12.

Using the substitution method, we can replace S in the first equation with A + 12, leading us to: 6A + 4(A + 12) = 548. Simplifying the equation, we have 6A + 4A + 48 = 548, so 10A = 500 and A = 50.

Now that we have the number of adult tickets, we can solve for the number of student tickets by plugging the value of A into the second equation: S = 50 + 12 = 62.

Therefore, the number of adult tickets sold is 50 and the number of student tickets sold is 62.

A store makes a 20 ounce cup of coffee that is 70% and 30% steamed milk. How many ounces of milk is used in a 20 ounce cup of coffee?

Answers

30% of 20 is equal to 6 so your answer would be 6.
Final answer:

To find how many ounces of milk are used in a 20 ounce cup of coffee that is 70% coffee and 30% steamed milk, set up a proportion and solve for x. The result is 14 ounces of milk.

Explanation:

To find how many ounces of milk are used in a 20 ounce cup of coffee that is 70% coffee and 30% steamed milk, we can set up a proportion. Let x represent the number of ounces of milk. Since the cup of coffee is 70% coffee, the rest (30%) is milk. This can be written as:

70/100 = x/20

Cross multiplying, we have:

70 * 20 = x * 100

Simplifying, we get:

1400 = 100x

Dividing both sides by 100, we find:

x = 14

Therefore, 14 ounces of milk are used in a 20 ounce cup of coffee.

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A ladder is leaning against a wall. The top of the ladder is 999 feet (\text{ft})(ft)left parenthesis, f, t, right parenthesis above the ground. If the bottom of the ladder is moved 3\,\text{ft}3ft3, space, f, t farther from the wall, the ladder will be lying flat on the ground, still touching the wall. How long, in feet, is the ladder?

Answers

The ladder is 166335 feet long. For this problem, we have a right triangle. The hypotenuse is the length of the ladder. The short leg is 999 feet long and the long leg is the length of the hypotenuse - 3. So let's make an equation to express this knowledge. 999^2 + (h-3)^2 = h^2 Expand expression 999^2 + h^2 - 6h + 9 = h^2 Subtract h^2 from both sides 999^2 -6h + 9 = 0 Add 6h to both sides 999^2 + 9 = 6h Do the squaring and adding. 998010 = 6h Divide both sides by 6 166335 = h So the ladder is 166335 feet long.

a ladder against a wall makes a 70° angle with the ground. if the base of the ladder is 3 feet from the wall, what is the length of the ladder?

Answers

8.77 feet is the length of the ladder :)!

Final answer:

To find the length of the ladder, we can use trigonometry. The length of the ladder is approximately 3.25 feet.

Explanation:

To find the length of the ladder, we can use trigonometry. In this case, we have a right triangle formed by the ladder, the wall, and the ground. The angle between the ladder and the ground is given as 70°, and the base of the ladder is given as 3 feet.

Using the sine function, we can set up the equation: sin(70°) = opposite/hypotenuse. The opposite side is the height of the ladder on the wall, and the hypotenuse is the length of the ladder. Rearranging the equation, we get: hypotenuse = 3 feet / sin(70°).

Calculating the value, we find that the length of the ladder is approximately 3.25 feet.

Mr chandler had some candy to give to his four children. he took ten pieces for himself and then evenly divided the rest among his children. each child received two pieces. how many pieces did he start with?

Answers

4 multiplied by 2 is 8.
Add that to 10 then you have your answer.
The answer is 18 pieces of candy.

Hope this helps!

huuuuuurrrrrrrry please huurrrrrrr math

Answers

So basically, so start off, let's explain the term "absolute value".
When you want to find the absolute value of something, such as the number 3 in this question, you just look at the number you have.
In this case, you have the number 3, and you want to find two numbers that have an absolute value of 3.
Absolute value is basically always a positive number that's the same number as you had.
You're looking for 3, and there are two numbers with an absolute value of 3.
The numbers are both -3 and 3 since the absolute value guarantees us that the number (or negative number) is always a positive.
Another example: You want to find the absolute value of 113.
The two numbers that have an absolute value of 113 is -113 and 113. Absolute value guarantees the number is always positive, thus you have your two numbers.

Tyler walked 2 Miles a day for the first week of his exercise plan. Then he walked 3 Miles a day for the next 9 days. How many miles did Tyler Wali walk in all

Answers

He walked 41 miles Hope this helps!
ok so 2 miles every day for a week so 2 x 7, which is 14. Then 3 miles a day for 9 days so 3 times 9 which is 27.

Add 14 and 27 up and POOF its 41

4⁄6 + 2⁄4 + 3⁄5 please answer my question

Answers

9/15 is the correct answer if you add 6,4,and 5 you will get 15. Then, add 4,2,and 3 and you will get 9. 9 is the numerator and 15 is the denominator.
Let's multiply 6, 4 and 5 together
= 120

Let's add
80/120 + 60/120 + 72/120
This equals 212/120 or 1 92/120

What is the volume of a pool when perimeter is 30 and it's depth is 4 ft

Answers

120
hmmmmmmmmmmmmmmmmmmm

The middle 5 in 0.555 is 1/10 the value of the 5 to its _____

Answers

Right. The first 5 is in the tenths place, the second five is in the hundredths, and the third one is in the thousandths. I'd like to think that if you take away (divide 1000 by ten) a tenth from the thousandths, that would leave you with the 5 in the middle being one tenth the value of the five to its right. (I'm not sure if this is correct or not, i'm just making an assumption). I would check with someone to make sure

Answer:

Left

Step-by-step explanation:

We are given that 0.555

We have to fill the correct value in the blank space

5 which is placed left side of middle 5 is at tenth place.

Therefore, the place value of this 5  =[tex]\frac{5}{10}[/tex]

Middle 5 is placed at hundredth place.

Therefore, the place value of middle 5 =[tex]\frac{5}{100}[/tex]

The place of 5 at right side of middle 5 is thousandth .

Therefore, the place value of this 5 =[tex]\frac{5}{1000}[/tex]

Therefore, middle 5 in 0.555 is [tex]\frac{1}{10}[/tex] the value of the 5 to its left.

1 plus one is to yay its correct

Answers

1 + 1 = 2

hope this helps
*two

If this is an answer, you answer the question directly on the page, not separately.
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