Answers
9514 1404 393
Answer:
1e. 2t² +8t -6
2h. a² +2ab -3b²
3b. 8r +4
4b. 6x +4y -11
5b. e -3
Step-by-step explanation:
1e. Combine like terms.
(3t² +3t -6) +(-t² +5t) = t²(3 -1) +t(3 +5) -6
= 2t² +8t -6
__
2h. (2a² +3ab -4b²) -(a² +ab -b²)
Use the distributive property to eliminate parentheses. Note that all signs change in the second set of parentheses.
= 2a² +3ab -4b² -a² -ab +b² = a²(2 -1) +ab(3 -1) +b²(-4+1)
= a² +2ab -3b²
__
3b. The hash marks indicate sides of the same length. The perimeter is the sum of all side lengths.
P = (4r -2) +2(2r +3)
P = 4r -2 +4r +6 . . . . . . eliminate parentheses
P = 8r +4 . . . . . . . . . . . . combine like terms
__
4b. (3x +4y) +(5x -8) -(2x +3)
Note that the distributive property changes the sign of all terms in the last parentheses.
= 3x +4y +5x -8 -2x -3 . . . . eliminate parentheses
= x(3+5-2) +y(4) +(-8-3) . . . group like terms
= 6x +4y -11
__
5b.
Bill's age - Erin's age = (2e-3) -(e) = e -3
The difference in their ages is (e -3).
Related Questions
Goran is participating in a 6-day cross-country biking challenge. He biked for 51, 65, 62, 46, and 62 miles on the first five
days. How many miles does he need to bike on the last day so that his average (mean) is 56 miles per day?
Answers
Answer:
i dont understand?
Step-by-step explanation:
Use the Distributive Property to simplify the expression.
8(12+a)
Answers
[tex]\huge\boxed{\bf{Hi\:there!}}[/tex]
All we have to do to simplify this expression is multiply 8 by 12 and a:
8(12+a)
96+8a
That's our final answer.
[tex]\huge\boxed{\bold{Hope\:it\:helps!\:Good\:luck!}}[/tex]
[tex]\huge\mathfrak{LoveLastsAllEternity}[/tex]
The distributive property is defined as:
a x (b + c) = a x b + a x c
a x (b - c) = a x b - a x c
The final value of the expression 8 x (12 + a) after simplification using the distributive property is 96 + 8a.
What is an expression?An expression is a way of writing a statement with more than two variables or numbers with operations such as addition, subtraction, multiplication, and division.
Example: 2 + 3x + 4y = 7 is an expression.
We have,
8(12 + a)
We will apply the distributive property.
The distributive property is defined as:
a x (b + c) = a x b + a x c
a x (b - c) = a x b - a x c
Now,
8 x (12 + a ) is in the form of a x (b + c)
So,
8 x (12 + a)
= 8 x 12 + 8 x a
= 96 + 8a
Thus,
The final value of the expression 8 x (12 + a) after simplification using the distributive property is 96 + 8a.
Learn more about expressions here:
https://brainly.com/question/3118662
#SPJ2
Mrs.Kim wants to share the stickers equally with each of her students. there are 32 students in here class
100 points for this
Answers
Answer:
Ok... what's the question
Step-by-step explanation:
Answer:
anwser= 8 she will have 0 left
Step-by-step explanation:
each student gets 8 stickers
:)
Calculate the speed of a car traveling a total distance of 60 meters in 4 seconds. pls help will give brainliest
Answers
Answer:
15 meters per second
Step-by-step explanation:
60/4 = 15
Answer:
15 meters per second
What is 4 + 200039393939
Answers
Answer:
200039393943
Step-by-step explanation:
Use a calculator (;
1 hr=3.6 ×10^3 seconds
1 day =24 hrs
1 year =3.65 ×10^2days
use scientific notation to calculate the number of seconds in 3 days
Answers
Answer:
1 Year = 8.76 x 10³ Hours
2.4= -5y + 14.9. Solve for y
Answers
2.4=-5y+14.9
We move all terms to the left:
2.4-(-5y+14.9)=0
We get rid of parentheses
5y-14.9+2.4=0
We add all the numbers together, and all the variables
5y-12.5=0
We move all terms containing y to the left, all other terms to the right
5y=12.5
y=12.5/5
y=2+2.5/5
Y=2.5
what is x? (WILL GIVE BRAINLIEST)
Answers
Answer:
5
Step-by-step explanation:
Answer:
x = 5
Step-by-step explanation:
These are vertical angles, so both equal 51 degrees. To solve for x, solve the equation (9x + 6) = 51. 51 - 6 is 45. 45 divided by 9 is 5. So x = 5.
Hope it helps!
What is the inequality shown?
Answers
This type of graph is called a segment.
To write the solution set which represents the graph
of a segment, read the segment from left to right.
If you take a look at the segment shown here, we would start with the endpoint on the left which is a -4, our variable x would be in the middle, and we would finish things off with the endpoint on the right, which is 5.
Since we have an open dot at -4, we use a less than sign between the -4 and the x and since we have a closed dot at 5, we use a less tan or equal to sign between the x and the 5.
It's important to understand that when representing a segment by reading it from left to right, you will only use "less than" or "less than or equal to" between the parts, never "greater than" or "greater than or equal to."
So the solution for this graph is read {x: -4 < x ≤ 5}.
Simplify (3x - 5) - (4x + 6).
-X + 11
x + 11
-X-11
x- 11
Answers
Answer: The given expression (3x − 5) − (4x + 6) = -x - 11.
Step-by-step explanation:
Given : Expression (3x − 5) − (4x + 6).
We have to simplify the given expression.
Consider the given expression (3x − 5) − (4x + 6).
Remove Parentheses ,
we have,
(3x − 5) − (4x + 6) = 3x - 5 - 4x -6
Combining like terms, we have,
LIKE TERMS are terms having same variable with same degree.
here 3x and -4x are like term and -5 and -6 are like terms,
Simplify, we have,
= 3x - 4x - 5 - 6
= -x - 11
Thus, the given expression (3x − 5) − (4x + 6) = -x - 11.
Step-by-step explanation:
hope this helps have a nice day❤️❤️❤️❤️
Answer: The given expression (3x − 5) − (4x + 6) = -x - 11.
Step-by-step explanation:
Given : Expression (3x − 5) − (4x + 6).
We have to simplify the given expression.
Consider the given expression (3x − 5) − (4x + 6).
Remove Parentheses ,
we have,
(3x − 5) − (4x + 6) = 3x - 5 - 4x -6
Combining like terms, we have,
LIKE TERMS are terms having same variable with same degree.
here 3x and -4x are like term and -5 and -6 are like terms,
Simplify, we have,
= 3x - 4x - 5 - 6
= -x - 11
Thus, the given expression (3x − 5) − (4x + 6) = -x - 11.
Step-by-step explanation:
hope this helps have a nice day and god bless u ❤️❤️❤️❤️
solve for x
solve for x
solve for x
Answers
Answer:
x = 95
Step-by-step explanation:
(2x - 60)° = (x + 35)° (corresponding angles are congruent)
2x - 60 = x + 35
2x - 60 - x = x + 35 - x
x - 60 = 35
x - 60 + 60 = 35 + 60
x = 95
Answer:
x = 95
Step-by-step explanation:
a train travels 16 miles in 20 minutes how many minutes would 12 miles be
Answers
Answer:Then 16x = 240, and x = 240/16 = 15. It will take 15 minutes to travel 12 miles.
Step-by-step explanation:
16 miles = 12 miles
20 mins. how many mins?
16 = 12 cross multiply 16? = 240 divide by 16 240 divided by 16 = 15 miles
20 ? because 15 x 16 = 240
Answer:
It will take 15 minutes to travel 12 miles.
Step-by-step explanation:
Write and solve an equation of ratios:
16 miles 20 min
----------- = -----------
12 miles x
Then 16x = 240, and x = 240/16 = 15.
pleaseeeeeeeeeeeeeeeeeeeeeeeeeeee
Answers
Answer: A, scale factor is 3
Step-by-step explanation:
Mr Harris had a piece of rope that measured 10 feet. He cut it into 15 equal pieces. How long was each piece?
Answers
Answer:
I think that it is 8 inches
Step-by-step explanation:
I multiplied 10 times 12 because there is 12 inches in a foot. Then I divided 120 by 8.
I hope this is right
I NEED HELP!!!!!!!!!!!
Answers
Answer:
50-3 x 12 - 9
Step-by-step explanation:
please help me please i really need help please
Answers
Answer:
There are a total of 24 players and 4 teams.
Please let me have brainliest :)
What single percentage change is equivalent to a 11% increase followed by a 15% increase?
Answers
Answer:
It's a total increase by 27,65%
Step-by-step explanation:
1,11 × 1,15 = 1,2765
1,2765 = +27,65%
Based on her recipe, Elena knows that 5 servings of granola have 1,750 calories. If she eats 2 servings of granola, how many calories does she eat? *
Answers
Answer:
5 / 1750 = 2 / x
5x = 3,500
x = 700
Step-by-step explanation:
Every two servings she eats, she eats 700 calories
I NEED HELP HURRRRRRY
Answers
Answer:
D
Step-by-step explanation:
P=6 and Q=2
-3(6/2)=-9
3(-6/2)=-9
3*6/-2=-9
-6/-3*2=1
Help me with my math **50 pts*** I mark brainliest**
Answers
Answer:
Sure. Now what do you need help on? Please post the question.
Step-by-step explanation:
georgia has 45 pencils she places all of the pencils into one or more baskets.
Answers
Answer:
one basket release you are dividing then it would be 9
The list of numbers 41, 35, 30, X, Y, 15 has a median of 25. The mode of the list of numbers is 15. To the nearest whole number, what is the mean od the list?
Answers
Answer:
1.2
Step-by-step explanation:
1.Arrange the numbers in order by size.
15,20,25,30,35,41
2.If there is an odd number of terms, the median is the center term.
with these numbers they are even (6 numbers total)
3.If there is an even number of terms, add the two middle terms and divide by 2.
30 ÷ 25=1.2
If 10 people can paint a fence in 3 days, how long would it take 6 people?
Answers
Answer:
5 days.
Step-by-step explanation:
By proportion it will take (10/6) * 3
= 30 /6
= 5 days.
Is it - or + 60 plz help me
Answers
Jude graphed the inequality s < -9,="" as="" shown.="">
A number line going from negative 12 to negative 4. A closed circle is at negative 9. Everything to the left of the circle is shaded.
Is his graph correct? Explain why or why not.
Answers
Answer:
Step-by-step explanation:
What does ="as="shown.="> mean?
No, his graph of s<-9 is incorrect. There should be an open circle at -9.
Answer:
sample response I would suggest rewording it
Step-by-step explanation:
No, Jude’s graph is incorrect. The inequality symbol is “less than,” so -9 is not included. He should have used an open circle on -9.
Isabella earned $129.60 at her job when she worked for 6 hours. How much money
did she earn each hour?
Answers
Answer:
21.6
Step-by-step explanation:
you divide 129.60 by 6 and you get 21.6.
What is the common difference for this arithmetic sequence?
31, 48, 65, 82, ...
Answers
Answer:
d = 17
Step-by-step explanation:
The given arithmetic sequence is :
31, 48, 65, 82, ...
We need to find the common difference for this sequence.
First term, a₁ = 31
Second term, a₂ = 48
Common difference = a₂-a₁
= 48-31
= 17
So, the common difference for this arithmetic sequence is equal to 17.
Evaluate the expression when x=4 and y+-6.
x-5y
Answers
Answer:-26
Step-by-step explanation:
PLEASE HELP!!!!!
provide the value of the polynomial P(x)=8x2-9x+12 at x=-3.
Answers
Answer:
111
Step-by-step explanation:
Answer:
x3−8x2+19x−12 = (x−1)(x−3)(x−4)
Step-by-step explanation:
Welcome =D
Billy has a set of wooden boards. Each board is 0.6 meters long. If Billy lays 4 boards end-to-end, how many meters long will the line of boards be?
Answers
Answer:
2. 4 meters long
Step-by-step explanation:
0. 6 times 4 equals 2. 4