Explain how the order of operations determine how you simplify a numerical expression

Answers

Answer 1
order of operations helps by simplifying  a numeric expression because you have to solve it by doing gemdas which is grouping symbols, evaluate exponents, multiply and/or divide from left to right, and lastly add and/or subtract from left to right. This helps because you will get the answer and you will understand the question better.

Related Questions

plz help I think I have it right but I am not for sure

Answers

cost of jeans = 60
total cost of the shirts = 20x

daniel is creating a scale drawing of her room. the rectangular room measures20 1/2 ft. by 25 ft. if her drawing uses the scale where 1 inch represents 2 ft of the actual room, will her drawing fit on an 8 1/2 in. by 11in. piece of paper.


plzz someone help me it'll give u 99 points,, plzzzzzzzzzzzzzzzzzz

Answers

1 in = 2 ft

20.5 ft = 10.25 in
25 ft = 17.5 in

8.5 in and 11 in. no, the drawing will not fit, because the proportions is larger than 8.5 in and 11 in. 

hope this helps


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Solve (−7) ⋅ (−4).

a −28
b −11
c 28
d 11

Answers

-11 because first you add -4 and -7 because when you subtract negatives you add I hope I helped and have a good day
that dot means multiply

remember, negative times negative=positive
so
(-7) times (-4)=28
answer is C

What side lengths do the area models of 45 and 60 have in common?

Answers

45 = 15 x 3 
60 = 15 x 4

side length in common is 15
The answer is 15 because 45 =15x3
And 60= 15x4 so they both have in common of 15
=

What is the equation of this line?

A. y=−2x

B. y=12x

C. y = 2x

D. y=−12x

Answers

the answer is y=2x because when you graph it thats the line you get

0.35 convert to simplest form

Answers

0.35 = 35/100

7/20 is your simplest form

hope this helps
.35
35/100

35/5=  7
---      ----
100/5=20


7/20

There are (2^4)^2•2^0 books in a cupboard. What is the total number of books in the cupboard?

Answers

2^0 = 1
so
(2^4)^2 * 1 = 2^8

answer
C. 2^8

Two numbers have a product of 108 and a quotient of 12.what are the two numbers

Answers

the answer is 9 and 12 because 9x12=108 and 12 divided by 108 = 9

what is the next number in this sequence 7,10,16,28,52

Answers

Every time, you add the amount of the previous number added. 
So, 

7 + 3 = 10
10 + 3(2) = 16
16 + 6(2) = 28
28 + 12(2) = 52
52 + 24(2) = 100

So the next number in the sequence is 100. 
Hope I helped!!

The next term is the given sequence is 100.

The given number sequence is 7, 10, 16, 28, 52,......

In the given sequence, pattern is as follows

7 + 3(1) = 10

10 + 3(2) = 16

16 + 6(2) = 28

28 + 12(2) = 52

52 + 24(2) = 100

Therefore, the next term is the given sequence is 100.

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What percent in change if The price was $160 and now it is $40?

Answers

Hello there! 

[tex] \frac{40 - 160}{160} (100) \\ \\ \\ 40 - 160 = -120 \\ \\ 160 = 160 \\ \\ \\ Problem: \frac{-120}{160} (100) \\ \\ \\ \frac{-120}{160} = -0.75 \\ \\ Problem: -0.75(100) = -75[/tex]

Therefore, it [tex]decreased [/tex] by [tex]75[/tex]% 

Good luck on your assignment and enjoy your day 

~ [tex]MeIsKaitlyn:)[/tex]

plz help. will give double points, comment, like brainliest. plz

L1 and L2 are parallel lines
the equation of L1 is y= 3x + 2
L2 passes through the point (3,4)
find an equation for L2

Answers

y = 3x + 2. The slope here is 3. A parallel line will have the same slope.

y = mx + b
slope(m) = 3
(3,4)...x = 3 and y = 4
now we sub and find b, the y int
4 = 3(3) + b
4 = 9 + b
4 - 9 = b
-5 = b

so ur other line, L2 is : y = 3x - 5 <==
The slope for 2 parallel lines is always the same so the slope will remain 3.(m=3)
To find the y intercept you have to replace the y and x with the 2 points given and the m with the slope and simplify.
so, y=mx+b
(4)=(3)(4)+b
4=12 +b
8=b
then plug in the intercept and the slope into the slope intercept equation and there is your answer.
y=3x+8

Factor expression 42x+49

Answers

Final answer:

To factor the expression 42x+49, we find the GCF which is 7, and express the expression as 7(6x + 7).

Explanation:

The question focuses on the task to factor the expression 42x+49. Factoring is a mathematical process in which we express a number or an algebraic expression as the product of its factors, which are usually simpler or more basic expressions.

To factor the given expression, we look for the greatest common factor (GCF) that both terms share. In this case, the GCF of 42x and 49 is 7. We factor the 7 out:

42x + 49 = 7(6x + 7)

The factored form is 7(6x + 7), which is the simplest form of the expression where 7 is a common factor multiplied by the binomial 6x+7.

5t+16=6-5t
I need help solving step by step

Answers

Equation: 5t+16=6-5t

Add 5t to both sides: 10t+16=6

Subtract 16 from both sides: 10t=-10

Divide by 10 from both side: t=-1

The solution of expression is,

t = - 1

We have to given that,

An expression to solve,

5t + 16 = 6 - 5t

Now, We can simplify as,

5t + 16 = 6 - 5t

Add 5t both side,

5t + 5t + 16 = 6 - 5t + 5t

10t + 16 = 6

Subtract 16 both side,

10t + 16 - 16 = 6 - 16

10t = - 10

Divide both side by 10,

t = - 10/10

t= - 1

Therefore, The solution is, t = - 1

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what polynomial should be added to 4x²+5x-8 in order to equal 0?
A. 4x+5x+8
b. -4x²-5x+8
c. -4x²-5x-8
d. -4x²
e. 4x²+5x-8

Answers

4x^2 + 5x - 8 + (- 4x^2 - 5x + 8) = 0

all ur doing is changing the signs so they will cancel each other out.

so ur adding : -4x^2 - 5x + 8

Dawn raises money for her school in a jog-a-thon. She will get three dollars for every lap she completes. If it takes 4 laps to jog 1 mile, and Dawn jogs a total of 11 miles, how much money will Dawn raise for her school?

Answers

If Dawn gets 3$ for every lap she completes and 1 mile is 4 laps, and it says she runs 11 miles you would do 4 multiplied by 3, which is 12, once you get that answer you would multiply 12 by 11 and your answer would be: 132$
To check your answer you could do 4x11 which is 44 and you could multiply that by 3 which will also get you: 132$
She will raise 132 dollars.

Describe some data that when graphed would represent a proportional relationship. Explain your reasoning

Answers

The lines would go up and over at the same rate. They would have the same slope, like parallel lines.

Hope this helps!! :)

Answer:

A proportional relationship is "two quantities vary directly with each other."

Example:

The amount of gasoline you fill in your car and the amount you pay is a proportional relationship.

If 1 gallon of gasoline is $3, then the cost of 3 gallons of gasoline is $9.

Step-by-step explanation:

A relationship is between two quantities.

A proportional relationship is "two quantities vary directly with each other."

Say, if the quantity "x" increases, then the associated quantity "y" also increases.

For example,

y = 2x

Let's find the data.

x                y

0                 0

1                  2

2                 4

3                  6

As you can see when the value of "x" increases, the value of "y" also increases.

This is called proportional relationship.

Example:

The amount of gasoline you fill in your car and the amount you pay is a proportional relationship.

If 1 gallon of gasoline is $3, then the cost of 3 gallons of gasoline is $9.

verbal expression for 4(n + 6) ? PLEASE HELP ME ASAP

Answers

four times the sum of a number and 6.

work:

the 4 is multiplying the expression in parenthesis, so we can start with 

4 times.

in the parenthesis, a number n is being added to 6.

we are multiplying this by 4, so it's 4 times the sum of a number plus six. hope this helps! :D
The sum of 4 times a number and six

what is number 2 need help kinda confused

Answers

Since 60 minutes are in 1 hour, we can do (0.08 km/1 min)*(60min/1 hour) and cross out the minutes, getting (0.08*60 km)/(1 hour)= 4.8km/1 hour. Since 1.61 kilometers are in 1 mile, we can multiply the equation by 1mile/1.61 km (since they are equal) and cross out the km to get 4.8*1.61miles/1 hour= \
7.728mi/1 hour. Since it's closer to 8 than 5, 3, or 2, D is right

find the measure of an angle whose supplement measures seventeen times its measure

Answers

supplement angles, sum = 180
lets x =  angle
its supplement = 180 - x

x + 17x = 180
18x = 180
x = 10
180 -10 = 170

answer
angle = 10
its supplement  = 170

Final answer:

The measure of an angle whose supplement is seventeen times larger than the angle itself is 10 degrees.

Explanation:

We are looking to find the measure of an angle that is said to have its supplement measure seventeen times larger than the angle itself. In terms of mathematical relationships, this means that if we call the angle in question x, then its supplement would be 17x. We know that supplementary angles add up to 180 degrees, hence we can write the equation x + 17x = 180. By solving this equation, we find that 18x = 180, and therefore x = 180÷18 which simplifies to x = 10. So the measure of the angle we are looking for is 10 degrees.

dont make it long....plz

Answers

-5 and 5. They have the same distance from 0.

Hope this helps!
-5 and 5, because |-5| = 5, -5, while |5| = 5, -5

hope this helps

c = 5p + 235 solve for p

Answers

well, P will be

(C - 235)
------------   = P
       5

hope this helps

The second of two numbers is 5 more than twice the first. Their sum is 80. Find the numbers.....Thanms

Answers

This is a simple equation; "x" is the first number and (5+2x) is the second number because it is "5 more than twice the first" and the sum = 80. So... x + (5+2x) = 80 You start by subtracting "x" and moving it to the other side...5 + 2x = 80 - x Then you add the "x" to the other side...5 + 3x = 80 Next, subtract 5 to the other side...3x = 75 Finally, divide the 3 to the other side...x = 75/3...x = 25 25 is the first number so you then multiply it by 2 and add five to get the final answer. 25 + 55 = 80

A class is playing a game called “Guess my Number,” in which the number is an integer. The teacher gives these clues for the unknown number. 4 + h ≤ 7 and h + 1 > 3 What is the value of the unknown number, h?

Answers

3

If you subtract for 4 from 7 in the first expression, then h is less than or equal to 3.

If you subtract 1 from 3 in the second expression then h is greater than 2.

Thus the only value of h possible is 3.

Answer:

the answer is 3

if you subtract for 4 from 7 in the first expression, then h is less than or equal to 3.

If you subtract 1 from 3 in the second expression then h is greater than 2.

thus the only value of h possible is 3.

The number of people waiting in a line to buy tickets x minutes after a ticket booth opened is given by the expression 70−5x .

What does the value 70 represent?



A. the number of minutes it takes to sell all the tickets

B. the total number of tickets available

C. the number of people in the line when the ticket booth opened

D. the number of people who bought tickets every minute

Answers

70 represents the number of is C i think
its would be A hope this helps

what is 100 divided by 13 subtract 45 then add 19

Answers

Order of operations rules (PEMDAS) require that the div. be done first:

100

------ = 7.692

13

Subtracting 45 results in -37.308

Finally, adding 19 produces the final desired answer: -18.308

Answer:

-18.30769230769231

Step-by-step explanation:

calculator

Which number is not in scientific notation?
9 ⋅ 101^9
7.8 ⋅ 10^6
1.45 ⋅ 10^−7
0.33 ⋅ 10^−15

Answers

9 ⋅ 10^19 Yes
7.8 ⋅ 10^6  Yes
1.45 ⋅ 10^−7 Yes
0.33 ⋅ 10^−15 No  (should be 3.3 x 10^-16)

answer
Not in in scientific notation: 0.33 ⋅ 10^−15
mhm the other guy is right

what is 10 times as much as 50

Answers

ten times as much as fifty, or 10 * 50, is equal to 500

Final answer:

To find what is 10 times as much as 50, you multiply 50 by 10, which results in 500. This is a basic multiplication problem where the number 50 is increased by one order of magnitude.

Explanation:

The question 'what is 10 times as much as 50' involves a basic arithmetic operation known as multiplication. Multiplying a number by 10 is the same as adding a zero to the end of that number, when dealing with base ten numerical system. In this scenario, we are seeking to calculate 10 times 50, which can be expressed mathematically as:

Identify the two numbers involved in the multiplication: 10 (the multiplier) and 50 (the multiplicand).

Multiply the multiplicand by the multiplier: 50 × 10 = 500.

Therefore, 10 times as much as 50 is 500. This is consistent with the idea that a change from a power of ten to the next higher power means a ten-fold increase in value, or an increase by one order of magnitude.

Prove that the line segment joining the midpoints of the diagonals of the trapezium is parallel to each of the parallel sides and is equal to half of the difference of these sides.

Answers

the answer is given above

Math help please im begging you help ASAP

Answers

B and d
The answer is B
Hope it helped
The correct answer is B and D

You can tell because when you look at the point (1,4), the lines that touch that point are B and D

One eighth of a number is less than or equal to 3 what is the inequality

Answers

we will assume that the number is n
one eighth of the number = 1/8 x n = n/8
we know that this result n/8) is less than or equal (<=) 3
therefore, the inequality is:
n/8 <= 3
Final answer:

The inequality that represents the scenario given, where one eighth of a number is less than or equal to 3, is X ≤ 24.

Explanation:

The problem given can be represented by an inequality. We are told that one eighth of a number is less than or equal to 3. We can express this in equation form as X/8≤3, where X is the unknown number we are trying to figure out.

To solve for X, we can perform the inverse operation of division on both sides of the inequality by multiplying by 8, following the principle of maintaining balance within an inequality. The inequality thus simplifies to X ≤ 24.


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