# Posts by Anonymous

Total # Posts: 107,692

**data management gr.12**

The number of immigrants living in a certain country with a large population makes up 35% of the population. In a random sample poll of 40 people what is: a)the expected number of non-immigrants will be polled? b)the probability that no immigrants will be polled? c)the ...

**social studies**

The Emergency Highway Energy Conservation Act was passed in 1974. Under this act, states would only get federal highway funding if they set a speed limit of 55 mph on all four-lane highways. Why would the federal government deny funding the states instead of just directly ...

**chemistry**

How many grams of aluminum is produced from the decomposition of 34grams of aluminum oxide

**Math**

A line has a slope -4/3 and passes through the point (12,6). Determine three additional points of this line. I'm very confused of this

**a.p**

12

**SS**

How did the supreme court decision in Worcester v Georgia and the Indian Removal Act lead to the removal and resettlement of native American groups?

**Science**

5000kg

**Anonyms**

By what percent will a fraction change if its numerator is decreased by 50% and its denominator is decreased by 25%?

**math**

a ?ùn is fired at a distance of 24•3 away from a man • he hears the sòùñd after 27 second find the speed of soùnd at which it travels

**English**

In a certain code TGFYWOAG means SECURITY. In the same code what does GGHHGGJS mean? A) FINANCES B) CARRIAGE C) RETAINER D) FEEDBACK

**Math**

Is (2,12) a solution to the given system? y>2x+4 y<3x+7 Yes No What is the solution of the system of equations shown below? 2x+2y=10 5x-2y=4 (-2,7) (2,7) (2,3) (3,2) The point (-3,11) is a solution of which of the following systems? y?x-2 2x+y?5 y>x+8 3x+y>2 y>...

**science**

In me is me In me is a twin Which is said to flee When slumber comes in

**American Government**

All Correct!!!^^^^^^^^^^^^^^^^^^^^^

**Techm**

What is a bin range

**math**

Make a list of data values thays fits this statement Half of the days of February were colder than 30 degrees fahrenheit find the mean, median, mode, and range of the data?

**math**

what is the mean median mode and range of 420,450,480,440,420,490,580,590,510, 450,430,480

**Math**

Data that would represent a bar gragh

**Chemistry**

how many sulfate ions are in 30 formula units of aluminum sulfate?

**Business Finance**

You deposit $300 each month into an account earning 7% interest compounded monthly.

**Business Finance**

Deposit $300 each month into an account earning 7% interest compounded monthly. How much total money will you put into the account? How much total interest will you earn?

**Write the system of equations as an augmented matr**

-4x-y=-6 -8x-5y=-6 Solutions:

**math**

a car traveling at 25 miles per hour is 48 miles over the first 5 second it maintains this speed for the next 5 seconds and than slow to a stop during the next five seconds which graph below could match the situation described

**Location**

What

**Math**

Each week I save half my pocket money and I buy stamps for my collection with 1/3 of the pocket money. That leaves $3.21. How much do I spend on stamps?

**Physics**

A 13 kg block(mA) rests on a level table. The coefficient of kinetic friction between the block and the table is .15. A string of negligible mass is attached to the block. The string, which is perfectly horizontal, passes through a frictionless pulley at the edge of the table ...

**Algebra 1a**

Find the slope of a line that passes through the given points (-6,1) (4,8)

**Social studies**

oh forget it

**Social studies**

I think A

**science**

do you go to connexus?

**ELA**

@Miss Sands Leave.

**algebra 2**

w gets small

**math**

the hour hand of a clock move from 1 to 4 0 clock. through how many degrees does it move

**Fractions**

Ian drinks 3/4 cups of water for every half-mile that he runs. In cups, how much water should Ian take along for a 31/2 mile run?

**physics**

54m

**Spanish**

1. Escribe esta frase como imperativo. Tú eres simpático. 2. Escribe esta frase en el imperativo. Me lo das.

**SUMMARY OF FINANCIAL TIME VALUE OF MONEY**

How much should you invest each month in order to have $800,000 if your rate of return is 5.3% compounded monthly and you want to achieve your goal in 40 years? If you deposit the amount you need to achieve your goal in 20 years, how much will your savings be worth after 10 ...

**Calculus**

A light on the ground moving at 0.5 m/s approaches a man standing 4 m from a wall. How fast is the tip of the man’s shadow moving when the light is 10 m from the wall?

**unitar**

A machine produces parts with lengths that are normally distributed with ï³ ï€½ 0.5 . A sample of 10 parts has a mean length of 75.92.

**Savings**

annuity

**soil mechanic**

2. A stratum of sand 2.5 m thick overlies a stratum of saturated clay 3 m thick. The water table is 1 m below the surface. For the sand, Gs = 2.65, e = 0.50 and for the clay Gs = 2.72, e = 1.1. Calculate the total and effective vertical stresses at depths of 1 m, 2.5 m and 5.5...

**Math**

please give me the answerof this problem

**Math**

The speed of a Garden snail is 50 meters per hour and that of the Cheetah is 120 kilometers per hour. Find the ratio of the speeds.

**Math - Coordinate Geometry**

The vertices of a quadrilateral are A(-2,3), B(5,4), C(4, -3) and D(-3, -4). Prove that ABCD is a rhombus. Find the area of ABCD. Formula to find length: d = ?(x2 - x1)^2 + (y2-y1)^2 Please show working out, thanks.

**math**

Find P(A?B).

**math**

A basket at a baby shower contains 8 bottles of pink nail polish numbered 1 through 8, and 9 bottles of red nail polish numbered 1 through 9. One bottle is drawn from the basket at random.

**Check Answer!! Conditional Probability**

A certain virus infects one in every 500 people. A test used to detect the virus in a person is positive 90% of the time if the person has the virus and 10% of the time if the person does not have the virus. Let A be the event "the person is infected" and B be the ...

**math**

Zack orders a box of 80 sweaters manufactured from a factory. He needs to check the quality of 30% of the sweaters. Select all of the equations that Zack could use to find x, the number of sweaters he needs to check.

**Really Need Help Please**

Given probabilities: P(A) = 1/200 = 0.005 P(B) = 199/200 = 0.995 P(B|A) = 0.9 P(B|~A) = 0.1 Infer: P(~B|A) = 0.1 P(~B|~A) = 0.9 Then: a.) Find P(A|B) P(A|B) = P(A)P(B|A) = 0.005×0.9 = 0.0045 rounds to 0.0 b.) Find P(~A|~B) P(~A|~B) = P(~A)P(~B|~A) = 0.995×0.9 = 0....

**Really Need Help Please**

A certain virus infects one in every 200 people. A test used to detect the virus in a person is positive 90% of the time if the person has the virus and 10% of the time if the person does not have the virus. (This 10% result is called a false positive.) Let A be the event &...

**math**

Hh

**American Government**

What would be the main benefit of a contested convention be to the other political party? A. a lack of momentum and unity in the contested candidate's party**** B. an inexperienced candidate taking the nomination C. a candidate the public disapproved of taking the ...

**Health**

The answer is D. for #1 A. for #2 A. for #3 And idk da rest

**Math - Coordinate Geometry**

Area = 24?

**Math - Coordinate Geometry**

@MathMate would love that, thanks.

**Math - Coordinate Geometry**

The vertices of a quadrilateral are A(-2,3), B(5,4), C(4, -3) and D(-3, -4). Prove that ABCD is a rhombus. Find the area of ABCD. Please show working out, thanks.

**Math - Coordinate Geometry**

Find the equation of the line which passes through the point (6, -4) and is parallel to to the line 2x-3y+3=0. Please show working out as well, thanks.

**Check Work**

A poll was taken of 10,439 working adults aged 40-70 to determine their level of education. The participants were classified by sex and by level of education. The results are shown below. Education Level Male Female Total High School or Less 2023 3264 5287 Bachelor's ...

**Math**

Binomial distribution if mean 10 AND VARIANCE 9 find mide

**compute the probability that a person who tests po**

A certain disease has an incidence rate of 0.3%. If the false negative rate is 6% and the false positive rate is 2%, compute the probability that a person who tests positive actually has the disease.

**Gauss-Jordan elimination**

Write the system of equations as an augmented matrix. Then solve for x and y. -3x+3y=-21 3x+2y=-4

**augmented matrix**

Write the system of equations as an augmented matrix. Then solve for x and y. 3x+y=-11 -9x-3y=33

**Sets**

Suppose Set B contains 69 elements and the total number elements in either Set A or Set B is 107. If the Sets A and B have 13 elements in common, how many elements are contained in set A?

**Algebra**

Can you please help with this question: The cheerleaders are having a bake sale to raise funds for new uniforms. The group sell cupcakes for $3 each and make a profit of $840 from the sales. If X represents the number of cupcakes the cheerleaders sold and their cooking ...

**Check Answer!!**

Compute the probability that a person who tests positive actually has the disease. A certain disease has an incidence rate of 0.3%. If the false negative rate is 4% and the false positive rate is 1%, compute the probability that a person who tests positive actually has the ...

**Math**

Emily has 5u game cards. John has 8/3 fewer cards than Emily. Find the average number of game cards that Emily and John have in all in terms of u.

**Math**

So do you round $60.89

**MATH**

Freddy paid w dollars for a camera and $120 for an additional camera lens. If the sales tax is 8%, how much did Freddy pay for the camera and lens, including the sales tax?

**math**

Emily has 5u game cards. John has 8/13 fewer game cards than Emily. Find the average number of game cards that Emily and John have in all in terms of u.

**math algebriac expressions**

Okay if it 2 tablespoons equal to fluid ounce how would you write it? yes i will tell my teacher tmorrow

**math algebriac expressions**

Please help this is wat the problem say

**math algebriac expressions**

If 6 tablespoons are equivalent to 1 fluid ounce, how many fluid ounces are in (10t-4) tablespoons?

**Chemistry**

A cube of solid reactant with sides of 1.00 cm² is submerged in a liquid and reacts to form a gas product at an initial rate of 20 mL/s. The solid-liquid interface is 6.0cm² of surface area. If you sliced this cube (like a block of cheese) into 10 slices, and then ...

**Science**

What do bone marrow and epidermis have in common. A.they are both sites of new cell information B.they both contain structures that assist the body in cooling down if overheating occurs. C.they both contain or are associated with sensory neorons D.they are both involved in ...

**science**

Idk

**history**

1. C 2. C 3. C and A 4. D 5. A 6. B 7. C 8. B 9. B 10. B 11. D

**Calculus**

Determine the open intervals on which the graph of f(x) = -7x^2 + 8x + 1 is concave downward or concave upward. The second derivative is just -14, so I don't know what to do with that.

**social studies**

ok thank you :)

**Math**

Bob is twice as old as chuck, and susie is 10 years younger than bob. If the sum of their age is 100 years, how old is susie?

**Maths**

The diagonals of a rhombus are in the ratio 3:4. If its perimeter is 40 cm, find the lengths of the sides and diagonals of the rhombus

**history**

What are the comparisons between herodotus and thucydides

**Math**

109 miles at 1.99 a gallon how much is amount of paid mileage

**math**

11 notebooks were added to w notebooks. 7 friends then shared the notebooks equally. Express the number of notebooks each person received in terms of w.

**Math**

The length of a picture frame is (8u - 12) inches. Its width is 3/4 of its length. Express the width of the picture frame in terms of u.

**math**

determine the equation of the graph in the form y=acos(bx)

**The Value of an Annuity**

you would like to have $800,000 when you retire in 35 years. How much should you invest each quarter if you can earn a rate of 6.7% compounded quarterly? a) How much should you deposit each quarter? b) How much total money will you put into the account? c) How much total ...

**math**

How would you justify the steepness of a slope?

**can you check my answers precalculus**

can you check my answers? Find Pk + 1 if Pk = 7 + 13 + 19 + ...+[6(k - 1)+1] + (6k + 1) 7 + 13 + 19 + …+[6(k - 1) + 1] + (6k + 1) + [6(k + 1) + 1] 8 + 14 + 20 + …+[7(k - 1) + 1] + (7k + 1) 7 + 13 + 19 + …+(6k + 1) 7 + 13 + 19 + ...+[6(k - 1) + 1] + (6k7 +1) + (...

**precalculus**

can you check my answers? Find Pk + 1 if Pk = 7 + 13 + 19 + ...+[6(k - 1)+1] + (6k + 1) 7 + 13 + 19 + …+[6(k - 1) + 1] + (6k + 1) + [6(k + 1) + 1] 8 + 14 + 20 + …+[7(k - 1) + 1] + (7k + 1) 7 + 13 + 19 + …+(6k + 1) 7 + 13 + 19 + ...+[6(k - 1) + 1] + (6k7 +1) + (...

**math**

659

**math**

659

**math**

The number of blocks has 9 in the ones place the number in the hundred place is one more than the number in the tens place those two numbers equal 11 how many blocks are there?

**Science**

How much you would weigh on the moon if you are 72 pounds on Earth

**math**

Jenn practiced basketball for 45% of the time Kaylee practiced. Jenn practiced for 36 minutes. How long did Kaylee practice?

**language arts**

ur guys r weird

**precalculus**

can you check my answers? Find the second difference for the sequence. 7, 6, 7, 10, 15, 22, …. answer: 1 Find first differences for the sequence in order from a1 to a5. Determine whether or not the series is quadratic or not. -1, -3, -1, 5, 15 answer: -2, 2, 6, 10; ...

**precalculus**

Can you please check my answers? 1.Find Pk + 1 if Pk=2^K-1/k! answer: 2^k+1/(k+1)! 2.Find Pk + 1 if Pk = 7 + 13 + 19 + ...+[6(k - 1)+1] + (6k + 1) answer: 7+13+9...(6k-1+1)+6k+1 +(6k+2) 3.What is the first step when writing a proof using mathematical induction? answer: Find ...

**Geometry**

I don't know solve it yourself

**Geometry**

IDK

**Math**

How much would you need to deposit in an account each month in order to have $20,000 in the account in 7 years? Assume the account earns 2% interest.

**Finite Math**

You deposit $300 each month into an account earning 8% interest compounded monthly. a) How much will you have in the account in 35 years? b) How much total money will you put into the account? c) How much total interest will you earn?