Mathematics High School

7. (3y2 – 4y + 1) + (-y2 + y - 2)

Answers

Answer 1

Answer:

2y2−3y−1

Step-by-step explanation:

hope this helps

Answer 2

The answer is 2y2-3y-1

Related Questions

A chemical compound requires 8 ounces of chemical A and 12 ounces of chemical B. A mixture contains 24 ounces of chemical A and 30 ounces of chemical B. How can you fix the mixture to make the chemical compound?

Answers

Add 6oz of chemical B and remove 1/3 of the total mixture.
I might always be wrong.
Explanation:
Since 8x3=24 and since 12x3=36 you need to add 6oz of chemical B to have 24oz of chemical A and 36oz of chemical B.
Take 1/3 of the total mixture to have 8oz of chemical A and 12oz of chemical B.

im begging yall please help me!please?

Question-Susan works for the school newspaper and wants to conduct a survey to ask students whom they will vote for in the upcoming School actions which example should she choose to best represent the entire population ?

Answers

B- asking every tenth student has an advantage of asking more people

Determine when domain increases

Answers

Answer:

Step-by-step explanation:

[0,7)

because the dot is colored in you need to have the bracket

Please help!!
Mr. Sanchez’s class sold fruit pies for $1.65 each and Mr. Kelly’s class sold bottles of fruit juice for $1.36 each. Together, the classes sold 79 items and earned $118.17 for their school.

(a) Write and solve a system of equations that model the problem. Show all your work.

(b) Which class earned more money?

(c) How much more money did that class earn?

Answers

Answer:

Step-by-step explanation:(a)

1.65p+1.36j=118.17 and p+j=79

We can say p=79-j and sub this value in first equation

1.65(79-j)+1.36j=118.17

130.35-1.65j+1.36j=118.17

-0.29=-12.18

j=42, p=79-j, p=79-42=37

(b)

1.65(37)=61.05 and 1.36(42)=57.12

Sanchez class earned more selling pies.

(c)

61.05-57.12=3.93

So Sanchez class made $3.93 more than Kelley class.

Some one already answered this, heres the link to the answer:

brainly.com/question/19662350?referrer=searchResults&exp=25-1

Steven read 2 12 of the 8 books he
checked out from the library. What
percent of his library books did
Steven read?

Answers

Answer:

1.33 percent of his 8 books.

Step-by-step explanation:

Assuming you mean [tex]\frac{2}{12}[/tex] , that equates to 1.33 percent of 8, thus he has read one whole book and is reading his second one.

hiii please help i’ll give brainliest and please write how you got the answer

Answers

Answer:

385

Step-by-step explanation:

11 / 4 2 3 5

−__ 0___

4 2

−__3__ 3_

9 3

−__8___8__

5 5

−____5_ 5___

0 0

−_______0__

0 0

Can someone answer this question this correctly for me

Answers

The answer is A cause thoes are the ones u don’t have a number for yet

Whoever answers this question first gets brainly 2

Answers

Answer:

Step-by-step explanation:

Answer:

F. 80

Step-by-step explanation

12/180 = 1/15

1200/15 = 80

W-20.5=8 please help me

Answers

This is just the same as asking you what number when subtracted by 20.5 will give you an answer of 8. The answer would obviously be 8+20.5=28.5 so w=28.5.

We can also do it in a more algebraic way. By adding 20.5 to both side of the equation which won't change the value.

w-20.5+20.5=8+20.5

w=28.5

Any questions just ask me in the comments of this question :)

If the data does not have outliers and is not overly spread out, use:

Mean, mean absolute deviation, median, or interquartile rang

Answers

Mean I think I hope it’s right !

2 +7 +4(9 - 6)2 = 6

PLEASEE I NEED HELP

Answers

Answer:

It is false

Step-by-step explanation:

Because 2+7+4x3 2 =33 not 6

2+7+24 =6

33=6

Answer:

your mum, lol

Step-by-step explanation:

someone already did it might as well put random comment

find the measure of each angle indicated and please explain how you got that answer if you can

Answers

#15- The answer should be 35.
In the photo I included, both points A and B are equal, because they are intersecting. To get the measurement for these angles, you add 40+40 to get 80. We know that three angles in a triangle need to add up to 180, so you would subtract 80 to get 100. If point A and B are 100, that means you can add 100+45 to get 145, and subtract that from 180 to get your answer. (35)

#16- The answer should be 42. Using the same logic as before, take away 80+40 from 180 to get 60 for points A and B. Then you would subtract 78+60 from 180 to get your answer. (42)

#17- The answer should be 108. You need to find the final angle of the triangle by subtracting 37+71 from 180. This would equal 72. Since the angle of a line is 180 degrees, you would subtract 72 from 180 to get the finished product. (108)

#18- The answer should be 35. You would start by finding the bottom left angle. You would use the same logic as I did in #17 by subtracting 180-126. This tells you that the bottom left angle in the triangle is 54. Then you would subtract 91+54 from 180 to get your answer. (35)

I hope this helps and that it wasn’t too confusing. #17 and #18 aren’t my strong suit, so I’m sorry if I’m wrong. Please mark brainliest!

If a/b
and c/d
are rational expressions, then a/b*c/d=a*d/b*c.
A. True
B. False

Answers

Answer:

True

Step-by-step explanation:

Promise Just toke the test

Answer:

it is true have a good day

What is the result when the number 80 is decreased by 32%?

Answers

Answer:

54.4

Step-by-step explanation:

Answer: 54.4

Step-by-step explanation:

Subtract 32% from a 100% then multiply it by 80 to get the results.

100% - 32% = 68%

68% * 80 = 54.4

Whats 3/7 multiplied by 14/18.Make sure ur answer is fully reduced.

Answers

Answer:

1/3

Step-by-step explanation:

3×14 = 42

7×18 = 162

simplify by dividing them each by 42 and you get 1/3

Answer:

1/3

Step-by-step explanation:

just multiply per usual then reduce it

pls help with question 25 50 points brainslest if right

Answers

Answer:

25,26,27

Step-by-step explanation:

n +(n+1)=(n+2)+24

2n+1=n+26

n=26-1=25

3 integers=25, 26, 27

which equation represents the line that passes through the point (-1 -2) and (3 10)

Answers

Answer:

the answer is y = 3x + 1

During the economic downturn in 2008, the price of a stock, A(x), over an 18-month period decreased and then
increased according to the equation A(x) = 0.70x2 - 6x + 15, where x equals the number of months. The price of
another stock, B(x), increased according to the equation B(x) = 2.75x + 1.50 over the same 18-month period. State all
prices, to the nearest dollar, when both stock values were the same.

Answers

Answer:

(-2) + (3-7)

(-1) * (-2)

EVALUATE THE EXPRESSION

Step-by-step explanation:

HELP ME PLS

3n + 1 for n= 2
PLEASE HELP

Answers

Answer:7

Step-by-step explanation:

3(2)+1

6+1=7

Answer: 7

Step-by-step explanation:

if n=2 then

3*2+1

3*2=6

6+1=7

A restaurant buys a freezer that is 6 feet long, 2 feet wide, and 2.5 feet tall. What is the volume of the freezer?
© 21 cubic feet
10.5 cubic feet
30 cubic feet
15 cubic feet

Answers

Answer:

30 cubic feet

Step-by-step explanation:

Special right triangle- Please help

Answers

Answer:

x = 3

y = 6

Step-by-step explanation:

It says that the answer couldn't be submitted, so refer to the screenshots below of what I typed:

IF 2^x=10 AND 10^y =128 ,find xy

Answers

Answer:

Your answer is

XY= 7

Hope that this is helpful. Tap the crown button, Like & Follow me

mhhhhhhhhhh welppp i need help

Answers

Answer:

It does not pass the vertical Line test, because the vertical line test is when you put a line through a something like this circle and if it passes throug it more the once it is not a line.

Step-by-step explanation:

Hope this help.

no it doesnt pass the vertical line test

Riley has $14 more than Ashton. Peyton has twice as much money as Riley. If Ashton has m dollars, which expression represents the amount of money that Peyton has?

Answers

Answer:

14 times 2

Step-by-step explanation:

2(m+14) because I got big brains trust me

What is an equivalent fractions

Answers

Answer:

fractions that are the same

Bobby is 5 less than Kylie's age. Their combined
age is 43. How old is Kylie?

Answers

Answer:

Kylie is 24 years old

Step-by-step explanation:

kylie = x

Bobby=x-5

x+x-5=43

2x-5=43

2x=43+5

2x=48

X=24 years old

If you subtract 5 off of 43 and divide it by two you find Kylie's age. The reason you divide by two is because there are two people and it is a combined age, meaning you would divide by two.

-Ɽ3₮Ɽ0 Ⱬ3Ɽ0

Which triangle is a 30°-60°-90° triangle?
10
O
5,3
15
5
5/5
10
5
10/3
15
10
5./3

Answers

Answer:

the first one

Step-by-step explanation:

K12 Math What was the "phrase that pays" EXACTLY as written in the Unit 2 Practice Test Desmos lesson?

Answers

Answer:

never stop learning

Step-by-step explanation:

all lower case

i took the k-12

find the value of 9x+4y when x=4 and y=-3

Answers

Answer:

you substitute x for 4 and so you multiply 9 x 4 which will give you 36 and then you have to add four times y so you substitute y for -3 and you add 36 - 12 which will give you 24

What is the c-value for the data point that represents the outlier in the scatter plot?
0 195
0 190
0 170
0 160

Answers

The answer is the first one. 195 is the x value for the data point that represents the outlier in the scatter plot.

Other Questions

A study showed that 25% of the students drive themselves to school. Based on the suggested probability, in a class of 18 students, what would be the probability that at least 6 students drive themselves to school? (CDF)A) 0.139B) 0.283 C) 0.717D) 0.861 ill give braniliest the 1st term in a sequence is 50 the term to term rule is subtract 10 what is the 4th term help how would you do this?-3x + 16 =1 Some systems of inequalities can have no solution. Above all, a mangrove forest is alive. When the tides come in, water laps at the trunks of the trees. As the tides recede, sediment washes around the mangroves' roots. Mangrove seedlings drop off their parent tree into the water when they're mature and float until they root in the soil. Mangrove leaves flutter in the wind and drift to the forest floor. Termites burrow in the mangroves' bark and dead wood; ants crawl on roots and branches. Snakes, crabs, parrots, lizards, alligators, fish, sponges, mosquitoes, snails, oysters, lobsters, mudskippers, and even sharks live here, depending on where the forest is located. In Bangladesh, you may see a tiger.What is the most important supporting detail is in this paragraph. Explain your reasoning in 2 to 3 sentences. pls ill mark brainlest awnser nowwww Read this passage from Dragonwings by Laurence Yep.Only once during all those trips did we have any trouble. Some demon boys were out in the street. They stooped as if to pick up things to throw, and Father whispered to me to sit up straight and not show I was afraid. The demon boys called out some things, but we ignored them until we had passed them by. A rock whizzed by my ear and hit Red Rabbit in the side. He snorted, but plodded on as steadily as before.Based on the actions in this passage, what inference can be made about the narrators father?He is too afraid to stand up to the demon boys.He is strong and confident even in times of trouble.He is unaware of the trouble caused by the boys.He is more concerned about looking brave than being safe. A 1 800-kg pile driver is used to drive a steel I-beam into the ground. The pile driver falls 4.60 m before coming into contact with the top of the beam, and it drives the beam 13.6 cm farther into the ground before coming to rest. Using energy considerations, calculate the average force the beam exerts on the pile driver while the pile driver is brought to rest. 1 2 3 4 5 6 7 8 9 In general, the more physical activity individuals do, __________. A. the more intense the exercise needs to be B. the more money they will save on dieting C. the more television they will be able to watch D. the more benefit they will receive from exercise Who was Judah Maccabee loyal to? can u help me out ill give brainliest Please help I will give points and mark brainliest 21. Follow the base pair rule to replicate this original DNA strand:A G T A A T T C C C G T C A A G C T A C The model below shows a type of cell.What type of cell does the picture show? Which of the following is true about acid rain? a. It is more acidic that normal rain. b. It is less acidic than normal rain. c. All rain is acid rain. d. There is no such thing as acid rain.hurry please Which sentence uses the word deferred correctly?She asked for her entry into the university to be deferred until she had time to save money for her tuition.Carlos deferred the bulk of the work in his group project because he had the most experience growing vegetables.The employees were deferred that they were given two extra vacation days.We deferred the chance to see the movie early because we could not wait for opening day. write the equation of the line in fully simplified slope intercept form book vs movie giving brainliestCompare and contrast the country of Panem. then fill in the table below about the physical description and role of the government. A pea plant with purple flowers and green pods is crossed with a plant that has white flowers and yellow pods.All the offspring have purple flowers and green pods .If two of these F1 are crossed what phenotypes will be seen in the F2 generation The figure below shows three quadrilaterals on a coordinate grid:A coordinate grid is shown from positive 8 to negative 8 on the x axis and from positive 8 to negative 8 on the y axis. An image of a rectangle labeled E is shown on ordered pair negative 1, negative 1 and negative 3, negative 1 and negative 3, negative 2 and negative 1, negative 2. Another image of a rectangle labeled G is shown on ordered pair negative 2, negative 2 and negative 6, negative 2 and negative 6, negative 4 and negative 2, negative 4. Another image of a rectangle labeled F is shown on ordered pair negative 1, 1 and negative 1, 2, and negative 3, 2 and negative 3, 1.Which of the following statements is true about the three quadrilaterals? (5 points)Group of answer choicesG and F are similar and also congruent.E and G are similar but not congruent.E and F are similar but not congruent.E and G are similar and also congruent. Convert 5 ounces into kilograms. Round your answer to the nearest hundredth.