# Posts by chloe

Total # Posts: 575

Maths
Jack spends 1 3/5 as long on his homework as Jill. Last week, Jill spent 7 1/4 hours doing homework. How long did Jack spend doing homework?

Maths
Jack spends 1 3/5 as long on his homework as Jill. Last week, Jill spent 7 1/4 hours doing homework. How long did Jack spend doing homework?

math
im just not sure how to answer this question, or how to even start it

math
Complete the indirect proof. Given: Rectangle JKLM has an area of 36 square centimeters. Side is at least 4 centimeters long. Prove: KL ? 9 centimeters Assume that a. ____. Then the area of rectangle JKLM is greater than b. _____ , which contradicts the given information that ...

Math
How do I write 90,000,000+5,000,000+900,000+60,000+200+80+5 in standard notation

Algebra
I need the answers to pre algebra pizzazz pg 50 How did the angel lose his job I have the riddle I need the work!! Plz help me!!

Math
Find the area for the circle (use 3.1 for pi) Round to the nearest tenth The circles radius is 23 yd.. My answer is 1666

physics-sound
A police car moving at 41 m/s is initially behind a truck moving in the same direction at 17 m/s. The natural frequency of the car's siren is 800 Hz. The change in frequency observed by the truck driver as the car overtakes him is __(Hz) Take the speed of sound to be 340m/s.

physics
A person jumps out of a helicopter in mid-air to retrieve a small metal ball. He screams at 475Hz, but people on the ground hear him scream at 578Hz. The person is falling at __(m/s) Once he grabs the metal ball, he is pulled back up to the helicopter at the same speed as he ...

Chemistry
A compressed gas in a cylinder contains 1000.0 g of argon gas. The pressure inside the cylinder is 2050 psi at 18 degrees Celcius. How much gas remains if the pressure is decreased to 650. psi at a temperature of 26 degrees Celcius?

Math
The circumference is 3 inches and the length of tube is 16 inches. The string is wrapped around symmetrically around the tube. What is the length of the string?

thank you for actually explaining instead of just giving me the answer, like most people do on here.

When multiplying two numbers written in scientific notation, what do you do with the exponents of the 10? a. multiply b. add*** c. subtract d. divide

Algebra 1

Algebra 1
500637.911743

Algebra 1
Suppose your? friend's parents invest \$20,000 in an account paying 5% compounded annually. What will the balance be after 66 ?years?

Health
i would go with 4 as well

Algebra 1
thank you!

Algebra 1
Paul has decided to raise rabbits. He has been warned that the number of rabbits will double every month. He started with 3 rabbits, and the function y=3(2^x) models the number of rabbits he will have after x months. How many rabbits will paul have after 8 months?

English
What is the function of the gerund in this sentence Representing the junior class was her job as a memeber of the Student Senate

chemistry
How many grams of MgO are produced during an enthalpy change of -199 kJ? 2 Mg(s) + O2(g) ? 2 MgO(s) ?H = -1204 kJ

History
What did John Brown plan to do with the guns he seized at Harper's Ferry? a. he planned to sell them to make money to support antislavery candidates for Congress. b. he planned to give them to slaves to start slave rebellions. c. He planned to bring them to kansas to fight...

Math
Six groups of students sell 162balloons at the school carnival there are three students in each group if student sells the same number of balloons how many balloons does each to student sell

Math
Comparison of bottles 1/3 and 2/6

Physical Education
5. Select the answer below that best describes how you can increase the intensity of your workout. (1 point) A. exercise more often B. increase the speed of a run, amount of weight lifted, or distance a muscle is stretched C. Increase the length of time of each training ...

Algebra 1
thank you bob, you were correct

Algebra 1
what do you mean?

Algebra 1
Suppose the growth of a population (in thousands) is represented by the expression 32*2.1^x, where x represents the number of years since 2010. Evaluate the expression for the year 2015. Round to the nearest whole number. a. 41 b. 1,307 c. 67 d. 622

Algebra
okay thanks

Algebra
There is also a graph that goes down in a straight line. It starts at 40 on the y axis and 20 on the x axis. i would link the picture but jiskha wont let me.

Algebra
On a given day, a vendor made less than \$40 from hot dog and pretzel sales. The inequality graphed below represents the number of hot dogs (x) and pretzels (y) he could have sold and made less than \$40. Which combination of hot dogs and pretzels could the vendor have sold that...

Geometry
right triangle ABC B is vertex with right angle <A=30 <C=60 AB= square root of 3 (cm) what is BC and AC

Algebra
would it be d?

Algebra
The jaguars basketball team was down 21 points at halftime. In the second half, they started to catch up at a rate of 2 points per minute. The inequality below can be solved to determine the number of minutes it took the jaguars to take the lead. -21+2m>0 what is the ...

Algebra
thank you!

Algebra
If the roots of a quadratic equation are -2 and 3, the equation can be written as a.(x+2)(x+3)=0 b.(x-2)(x+3)=0 c.(x+2)(x-3)=0 d.(x-2)(x-3)=0

English
Is the sentence "They perform many tasks" transitive

Algebra
it doesnt tell me the points at which the graph is. I'm glad I'm not the only one who thinks that its dumb but its for a midterm and I have to do good. Can you just guess a random letter? lol

Algebra
Shirts with the a school's mascot were printed, and the table shows the number of people who bought them the first, second, third, and fourth weeks after their release. Which graph could represent the data shown in the table? Weeks | Number of sales 1 |22 2 |50 3 |62 4 |75...

math
Gwen needs to add 2/3 of a cup of flour to a recipe. She only has a 1/3-cup measure. How many scoops of flour does Gwen need to add?

Riddle
You have 24 hours to answer this riddle.There was a man who walked down the road. He noticed a child crying, he walked up to the child and whispered into her hear. The child smiled, said thank you ... and left. My question is What is in the fourth drawer next to my bed? Any ...

13. how did the embargo act of 1807 affect south carolina? a. it hurt the sale of the planters' rice and cotton b. it hurt the planters who needed british manufactured goods c. it hurt the aristocrats who could not longer send their sons to school in england d. it hurt the...

social studies help pls
my textbook is in the mail on the way but i don't have it right now.

social studies help pls
13. how did the embargo act of 1807 affect south carolina? a. it hurt the sale of the planters' rice and cotton b. it hurt the planters who needed british manufactured goods c. it hurt the aristocrats who could not longer send their sons to school in england d. it hurt the...

SC state history
note: not all letters will be used. a. sectionalism b. missouri compromise c. andrew jackson d. john c. calhoun e. articles of confederation f. cabinet g. tariff h. treason i. daniel webster j. louisiana purchase k. nationalism l. thomas jefferson 1. the first constitution of ...

ELA
Si it C or D??

Math
Two picture frames are similar. The ratio of the perimeters of the two pieces is 3:5. If the area of the smaller frame is 108 square inches. what is the area of the larger frame?

Thank you so much.

Susanna is going to make some concrete, using cement, sand and gravel, in the ratio 1:3:3. Nicola wants to make 245kg of concrete. There is 40kg of cement, 110kg sand and 105kg gravel. Is there enough material to make concrete. Thank you.

Math algebra
As of 2012, the movies with the highest worldwide box-office sales are Avatar, Titanic, and The Avengers. The total box-office sales for all three movies were \$6.5 billion. The box-office sales for Avatar were \$0.2 billion less than twice the box-office sales for The Avengers...

ENGLISH HELP PLS
Identify the choice that best describes the sentence. 5. More than 1,000 years passed before Copernicus proposed that the earth orbited the sun. (1 point) a. simple*** b. compound c. complex d. compound-complex *** = my answer

algera help plzzzz
idk how to add an attachment but basically there are 3 different diagrams of pentagons. diagram one has just one pentagon with 3 on each side. diagram two is two pentagons attached together by a side ( they don't have the 3's ). diagram three has three pentagons ...

algera help plzzzz
In the diagramâ€‹ below, what is the relationship between the number of pentagons and the perimeter of the figure theyâ€‹ form? Represent this relationship using aâ€‹ table, words, anâ€‹ equation, and a graph. Let...

Algebra
One number is three times the another number. If both numbers are positive and their product is 27, find the numbers

Maths
Were do the brackets go to make this equation true. 23+4=10🤓

Math
If kelly has a blue shirt, a red shirt, an yellow shirt an only one pair of jeans. If kelly wears one shirt at a time, how many outfits does she have

Math
If a red light flashes every 3 seconds, a blue light flashes every 4 seconds and a blue light flashes every 5 seconds and they all flashed together at midnight when would be the next time they all flash together?

Math
What is the 9th multiple of 100

honors algebra 1
3. Which ordered pair is a solution of the equation y=x-4? a. (2,6) b. (6,2) c. (-2,6) d. (3,1) 4. Which ordered pair is a solution of the equation y=5x? a. (-2,10) b. (-5, 25) c. (-3,15) d. (-2, -10) 5. Which ordered pair is a solution of the equation y=-5x+4? a. (2,14) b. (5...

Math
If my clothes are like this the hundred digit is greater than 7 the tens is one more than the hundreds digit and the ones digit is less than 2 then what would my answer be

SC State History
A piece of decorated pottery from the Woodland Era is considered a(n)... a. fossil b. artifact c. hieroglyph d. chert I know its either a or b but i'm not sure which. The culture of American Indians in South Carolina during the pre-projectile Point era was based on... a. ...

Math
The angle of elevation to the top of a tower is 27 degrees, taken from a point 19 meters from the base of the tower. How high is the tower?

History
He united twelve tribes under one king.

Physics
If a basketball player has a vertical leap of 1.29 m , then what is his takeoff speed and his hang time ( total time to move upwards to the peak and then return to the ground ) ?

math
what is 0.31+1/5=?

One more thing!
Day had broken cold and gray, exceedingly cold and gray, when the man turned aside from the main Yukon trail and climbed the high earth-bank, where a dim and little traveled trail led eastward through the fat spruce timberland. It was a steep bank, and he paused for breath at ...

In which sentence is the word periscope used correctly? A. Excited about her finding, the scientist used a periscope to view the organisms in the water sample. B. On the night of the full moon, we used the periscope to look at the sky. C. Sitting behind the tall stone walls, ...

Maths
Which fraction is the largest 3/4, 31/50 or 17/40

science
Between a 700kg elephant moving at a velocity of 18km/h East and a 74kg cheeetah moving at 31m/s East. Which is more difficult to stop? Why?

Math
A rock falls straight down from a height of 10 m. How long will it take the rock to hit the ground?

Geometry
A trapezoid has an area of 220m^2, a height of 11m, and one base is 13m. Find the other base.

math
a picture with 4 right angles 4 sides an 2 pairs opposite what quadrilateral is this

How old are u dummy?

FOR the assignment I have to write why it was unfair to the colonist politically, economically, and social reasons

I done that I cant find it

I meant colonists

What are the political, economic,and social reasons why the stamp act was not fair to the colonist?

Thank you! :) That's all I need. My mom helped me on 2.

Is 5 c?

1. What purpose might you set for reading the list of characters in A Surprising Point of View? A. to complete a task B. to make a decision C. to gain understanding *** D. to be inspired 2. If you were adjusting your reading rate to suit your purpose, how would you read lines ...

A Surprising Point of View: A Television Play in Two Acts Characters: (in order of appearance) 1. JASON: a boy of about 14. He is a student in Ms. Smith’s English class. He regularly misbehaves in order to get attention, and he doesn’t apply himself to his schoolwork...

Plz do help..GEOMETRIC SEQUENCES
let the beginning of year 1 = B1 (the first year after she earned 32000) B1 = 32000 x 1.04 B2 = (32000 x 1.04) x 1.04 = 32000 x 1.04^2 B3 = (32000 x 1.04^2) x 1.04 = 32000 x 1.04^3 Bn = 32000 x 1.04^n

Math
Walking along two of its adjacent sides: 24 + 18 = 42cm Draw the diagonal (to form two triangles). Find the hypotenuse of one of the triangles to find the diagonal. Use pythagoras theorem: c = sqrt[a^2 + b^2] = sqrt[24^2 + 18^2] = 30cm Therefore, it is 12cm shorter to walk ...

maths
I think 18 works. (18/2)^2 = 81

maths
Let Kate = k, let her son = s k - 5 = 5(s - 5) (You have to take 5 years from both their ages) k = 5s - 20 (1) k + 5 = 3(s + 5) - 8 k = 3s + 2 (2) sub (2) into (1) 5s - 20 = 3s + 2 2s = 22 s = 11 sub into (1) k = 5 x 11 - 20 k = 35

Math
Ethan had \$12 more than Dakota. Ethan then gave 1/3 of his money to Dakota. The ratio of money Ethan had to the amount of money Dakota had then became 5:7. How much money did Ethan give to Dakota?

math
5^2 = 25 sqrt 25 = 5 Therefore, option 3

Maths
the length of the arc of a sector is given by the radius times the angle bisected at the centre. l = 14 x 45 = 630cm Then you just add twice the radius (the two sides of the sector) The perimeter = 360 + 14 + 14 = 388 cm I don't believe you need to use pi in this question.

Math
You need to get a common base. In this question, your bases are 36, 6, 6. Use a base of 6 (and hence change 36 to 6). 36 = 6^2 36^5x = 6^2(5x) = 6^10x Your equation now is: 6^10x = 6^(x+x-2) INDEX LAWS Since we have the same base, the powers must be equal: 10x = x+x-2 8x = -2 ...

Maths
I feel like this question might be missing some vital information. Is this a 3D trigonometry question? If so, I'm not sure it can be solved without being given an additional length or some bearings/elevation angles.

Math
To find the capacity (amount of water), you must first find the volume. This prism is a cylinder (since it has a circular base). Find radius: Circumference = 2πr r = C/2π = 16/2π = 8/π feet (= 2.55) Find volume: Volume = Area x height = πr^2 x h = &#...

Mathematics
Don't worry, I've got it. I used the substitution u = 1 + lnx and got the answer

Mathematics
Find using substitution: ∫ 1/[x(1+lnx)^2] dx I'm not sure what substitution to use.

Algebra
If this is a multiple choice question, can't you just test each? e.g. for (A): -160 x -2 = 320 Therefore, the answer is "multiply the previous term by -2" To check that the rest are incorrect: for (B): -160 /2 ≠ 320 for (C): -160 - 60 ≠ 320 for (D): -...

lambton
The acceleration is centripetal (circular): a = velocity^2 /radius (formula) = 240^2 /24 = 2400 rad/s^2 Linear velocity is calculated using the formula v = u + at. That is: final velocity = initial velocity + acceleration x time linear velocity = 0 (since at rest) + 2400 x 15...

Math
f(x) = 3x + 5 f(x) = 6x^2 + 1 g(x) = 22 - 8x^3 H(x) = 14x^2 + 52x^3 - 8√x It can really be any algebraic expression. A function is defined as "a relation from a set of inputs to a set of possible outputs where each input is related to exactly one output." For ...

cal
You haven't actually posted a question. What are you differentiating?

MATH
I'm not sure how you found the length given only the height and width. Why divide by 4? Were you also given the volume?

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