# Posts by Jenny

Total # Posts: 1,627

**math**

The bottom of the ladder is 5 feet tall from the wall. the ladder is 13 feet long. about how high is the wall?

**math**

the tempurature was 72 degrees at noon. at midnight a cold front moved in, dropping the tempoerature to 12 degrees. what is the answer please!

**math**

the tempurature was 72 degrees at noon. at midnight a cold front moved in, dropping the tempoerature to 12 degrees. what is the answer please!

**math**

the tempurature was 72 degrees at noon. at midnight a cold front moved in, dropping the tempoerature to 12 degrees. what is the answer please!

**math**

the varsity football team gained 7 yards on one play and then lost 4 yards

**trigonometry**

is sin^(2)x the same as sin(x)^2?

**science**

How many ml of a 2% solution will 20 ml of a 10% solution make?

**chemistry**

Can someone help me to check my answer and the way I solve this problem is right or wrong? Determine the energy required to turn a Na metal atom into a gas phase ion (Na+ (g)). Ionization energy of Na(g) 499 kJ/mol Electron affinity of O(g)for2e- 603 kJ/mol Energy to vaporize ...

**mat**

In some cases the Distributive Property of Multiplication over Addition or Distributive Property of Multiplication over Subtraction can be used to obtain an answer quickly. Represent the following operations using one of the distributive properties and also give the answer. a...

**math**

At first one third of the class were boys. Then another boy joined the class. Now three out of eight of the class are boys how many students are in the class now? (Hint:There are fewer than 40 students in the class.)

**calculus**

integrate (3dx/xln3x)

**Accounting**

Here is my question am I suppose to make journal entry. Cindy Lou makes $30,000 per year as an exempt employee. She worked 15 hours of overtime in the month of September. Payday for wages earned in the month of Septemberis October 7? Ignoring Federal and state income tax ...

**Geometry**

For each of the past four years, Paulo has grown 2in. every year. He is now 16 years old and 5ft. 10in tall. He figures that when he is 22 years old he will be 6ft 10in. tll. What would you tell Pauo about his conjecture.

**Chemistry**

answer would be d

**math**

how many 7 digit telephone numbers can be made if every other digit is even

**Math**

Given These Equations x+y=9.0 .50x+.20y=3.90 Find the values of X and Y.

**Chem TWO**

Assuming 100% dissociation, calculate the freezing point and boiling point of 2.91 m K3PO4(aq).

**chemistry**

detail how to dilute a stock solution of nitric acid, 81 m HNO3, to prepare 675 ml of a 2.5 M solution

**Physical Science**

What are the different kinds of overlapping sciences?

**spanish**

Cuando mis hermanos y yo fuimos menores, siempre comíamos en aquel restaurante. Mis padres esperan que yo aprendiera mucho en la escuela. These 2 sentences are wrong. Please help

**spanish**

Thank you

**spanish**

El domingo pasado, yo iba con mis amigos al cine. What is wrong?

**chemistry**

Thank you very much..

**chemistry**

52 F = 284 K. 1008 (hPa) = 101.9(kPa) Is that right? I'm checking my book and its soooo confusing to me. I have this info so far and want to know if I'm doing it right since its worth 12 points on my test!!! .5*8.314*284/101.9=11.58L

**algebra**

The prices of several chess sets are $15, $20, $38, $95, $60, $45, $40, $35, and $50. Make a box-and-whisker plot of the data. What conclusions can you make? (You do not have to submit the box and whisker plot.)

**Algebra II**

Thank you Reiny!!!! I've been asking for this as well......

**algebra help please**

Ms. Sue, The same exact question was just asked today from another student and WAS answered in a timely manner. My however is still blank...... :( Good thing is I have my answer now.....

**algebra help please**

I notice that other problems are answered in a timely manner....was is my overlooked? Determine values for A, B, and C such that the equation below represents the given type of conic. Each axis of the ellipse, parabola, and hyperbola should be horizontal or vertical. Then ...

**Math**

$1.24

**Algebra II**

A)3!=6 ways B)4!=24 ways C)5!=120 ways ...since there is 12 to choose from. That's on my test too!!!

**Algebra II**

Hyperbola (x-2)^2-4(y-1)^2=36 I have that one on my exam too.

**Algebra II**

r=1.65/1.1=1.5=22.8594 I have the same question on my exam too!!!

**ALGEBRA**

3^4=81

**ALGEBRA**

214.67*36=7728.12 7728.12-6000=1728.12 1728.12/6000=.28802=28.8%

**algebra 2**

Determine values for A, B, and C such that the equation below represents the given type of conic. Each axis of the ellipse, parabola, and hyperbola should be horizontal or vertical. Then rewrite your equation for each conic in standard form, identify (h, k), and describe the ...

**algebra 2**

Determine values for A, B, and C such that the equation below represents the given type of conic. Each axis of the ellipse, parabola, and hyperbola should be horizontal or vertical. Then rewrite your equation for each conic in standard form, identify (h, k), and describe the ...

**ALGEBRA**

i=.039/360=.000108333 n=15*360=5400 Amount=2300(1.000108333)^5400 =30153.83 Interest earned=30153.83-23000=$7,153.83

**algebra 2**

The monthly rents for the apartments in a building are listed below. $425, $550, $550, $550, $650, $650, $650, $650, $800, $900 Part B: The apartment manager considers raising the rent for every apartment by $50. Find the mean, median, mode, range, and standard deviation of ...

**algebra homework check**

Thank you mathmate!!!!!

**algebra homework check**

Are my other answers right?

**algebra homework check**

The monthly rents for the apartments in a Business building are listed below. $425, $550, $550, $550, $650, $650, $650, $650, $800, $900 Part A: Find the mean$637.50 median=$650 mode=$650 range=$475 and standard deviation of the rents???

**homework check plz**

The monthly rents for the apartments in a building are listed below. $425, $550, $550, $550, $650, $650, $650, $650, $800, $900 Part A: Find the mean$637.50 median=$650 mode=$650 range=$475 and standard deviation of the rents???

**PsyDAG homework check**

The monthly rents for the apartments in a building are listed below. $425, $550, $550, $550, $650, $650, $650, $650, $800, $900 Part A: Find the mean$637.50 median=$650 mode=$650 range=$475 and standard deviation of the rents????

**algebra 2**

Thank you

**algebra 2**

Renee belongs to a bowling club. She scores 50, 52, 55, and 59 on her first four games. She hopes to continue improving according to this pattern. Part A: What are the next four terms in Renee’s sequence? Part B: Write an recursive function rule for the sequence? Part C: ...

**PsyDAG homework check please**

Range = highest value - lowest=$475 Mode = most frequently occurring score=$650 Median = 50th percentile. Half of the scores have a higher value and half are lower=$650 Mean = sum of scores/number of scores=$637.50

**algebra 2**

The monthly rents for the apartments in a building are listed below. $425, $550, $550, $550, $650, $650, $650, $650, $800, $900 Part A: Find the mean, median, mode, range, and standard deviation of the rents. Part B: The apartment manager considers raising the rent for every ...

**algebra**

A normal distribution has a mean of 98 and a standard deviation of 6. What is the probability that a randomly selected x-value from the distribution is at least 80?

**algebra 2**

Thank you!!!!! I see my mistake now...

**algebra 2**

A sequence is defined recursively by a1=1,an=(an-1+1)^2. Write the first 4 terms of the sequence.

**algebra 2**

A store sells rings with birthstones selected from the 12 different months of the year. The stones are arranged in a row. Part A: Mary wants a ring with a topaz, a sapphire, and a ruby set in a line. Write and evaluate an expression to show how many ways the 3 stones can be ...

**algebra 2**

Thank you!!!

**algebra 2**

Jeremy and Noor are playing a game where they each draw a marble from a bag, and whoever draws the marble worth the most points wins. Red marbles are worth 1 point, green marbles are worth 2 points, blue marbles are worth 3 points, and white marbles are worth 10 points. There ...

**algebra**

If events A and B are independent, P(A) = 0.62, and P(B | A) = 0.93, what is P(B)?

**algebra**

If events A and B are independent, P(A) = 0.62, and P(B | A) = 0.93, what is P(B)?

**algebra 2**

504?

**algebra 2**

Nine people are entered in a race. If there are no ties, in how many ways can the first three places be awarded? 3 252 472 504

**math**

there are 10 tenths in one whole.There are 100------------------ in one whole

**algebra 2 help please**

7 girls audition for 12 roles in a school play. What is the probability that at least 2 of the girls audition for the same part?

**algebra 2**

Find the first 5 terms of the sequence with a1=6 and an=2a n-1 -1 for n _>2 a. 6, 12, 24, 48, 96 b. 6, 11, 21, 41, 81 c. 6, 7, 8, 9, 10 d. 1, 2, 3, 4, 5

**algebra 2**

Thank you!!!

**algebra 2**

What is the 16th term in the following geometric sequence? 5, –10, 20, –40, 80, ...

**algebra 2 help please**

Yves and some friends are playing a fair game in which 18 cards are dealt to 6 players. One of the cards is a queen. The player who receives the queen goes first. What is the probability that Yves will go first? a) 1/18 b) 1/3 c) 1/6 d) 1/13

**algebra 2 help please**

You have a carrying case that holds four CDs. You want to know in how many ways you can place four of the ten CDs you own into the case.

**algebra 2**

Keep in mind....its algebra. :)

**algebra 2**

7 girls audition for 12 roles in a school play. What is the probability that at least 2 of the girls audition for the same part?

**algebra 2 homework check**

Yves and some friends are playing a fair game in which 18 cards are dealt to 6 players. One of the cards is a queen. The player who receives the queen goes first. What is the probability that Yves will go first? Is it 1/3?

**algebra 2 help please/check**

The first 3 terms in a geometric sequence are 1.1, 1.65, and 2.475. Part A: What is the sum of the first 6 terms of the sequence? Show your work. Part B: How does the sum of the seriesy differ from the 6th term? Explain. Part C: If the nth term in this sequence represents the ...

**algebra 2**

The first 3 terms in a geometric sequence are 1.1, 1.65, and 2.475. Part A: What is the sum of the first 6 terms of the sequence? Show your work. Part B: How does the sum of the seriesy differ from the 6th term? Explain. Part C: If the nth term in this sequence represents the ...

**algebra 2 homework check**

Thank you!!!!

**algebra 2**

Thank you!!!!

**algebra 2**

Ralph, Mario, Jack, Laura, and Maria are in the math club. The club advisor will assign students to 3-person teams at the next math team competition. How many different 3-person teams can be formed from these five students? I got this wrong...here was my answer 5*4*3/(2*1) 60/...

**algebra 2 homework check**

Thank you. Boy I was way off!!! I guess I over think things.

**algebra 2 homework check**

Tell whether the possibilities should be counted using a permutation or combination. Then find the number of possibilities. You have a carrying case that holds four CDs. You want to know in how many ways you can place four of the ten CDs you own into the case. Answer: 10*9*8*7...

**algebra 2**

Yves and some friends are playing a fair game in which 18 cards are dealt to 6 players. One of the cards is a queen. The player who receives the queen goes first. What is the probability that Yves will go first?

**algebra 2**

Thank you

**algebra 2**

If no digit appears more than once, how many 2-digit numbers can be formed from the digits 1, 3, 5, and 7?

**algebra 2 help please**

D)x^2+y^2=625 X^2+(y-50)^2=1122 Y=20 (-15,20)(15,20) E)x^2+y^2=625 X^2+y^2-200y+10000=13618 Y=18 (-20,-15)(20,-15) 1)Combine your answers from Parts D and E to pinpoint the epicenter of the earthquake 2)Graph the equations for all three stations to verify your algebraic ...

**algebra 2**

An auditorium has a curved back wall. A horizontal cross section of the wall is in the shape of a parabola. The wall is 80 feet wide and the vertex of the parabolic cross section is 50 feet from the stage. Where in the auditorium should you sit for the best sound quality?

**algebra 2**

Nonlinear systems Solve the system by elimination. y=x^2+2 -4x-y=10 Solve the system using substitution. y=-3x^2+x-2 y=-5x+3

**algebra 2**

An auditorium has a curved back wall. A horizontal cross section of the wall is in the shape of a parabola. The wall is 80 feet wide and the vertex of the parabolic cross section is 50 feet from the stage. Where in the auditorium should you sit for the best sound quality? ...

**physics**

Two rigid rods are oriented parallel to each other and to the ground. The rods carry the same current in the same direction. The length of each rod is 0.85 m, and the mass of each is 0.077 kg. One rod is held in place above the ground, while the other floats beneath it at a ...

**algebra 2**

Nonlinear homework... Solve the system by elimination. 1)y=x^2+2 -4x-y=10 2) Solve the system using substitution. Y=-3x^2+x-2 Y=-5x+3

**algebra 2**

Solving nonlinear systems

**algebra 2**

Solve the system using substitution. Y=-3x^2+x-2, Y=-5x+3

**algebra 2**

Solve the system by elimination. Y=x^2+2, -4x-y=10

**physics**

A body projected upward from the level ground at an angle of 50º with the horizontal has an initial speed of 40 m/s. (a) How long will it take to hit the ground? (b) How far from the starting point will it strike? (c) At ehat angle with the horizontal will it strike?

**algebra**

Write an equation for a parabola with vertex at (3, -6) and focus at (3, -4)

**algebra**

Write the equation for a parabola with vertex ( -2, 3) and focus ( -2, 1

**Maths**

Oh dear me. What is this? My eyes are burning!

**calculus**

What size should be the frame be? Suppose an artist has a circular picture with a diameter 6 inches which she wishes to frame by a uniform width frame with covers 1/2 inch width uniformity of the painting and has total area equal to that of the exposed painted surface when the...

**Math**

How do you use prime factorization to reduce a fraction?

**Math**

Sorry, I didn't see yours

**Math**

How do you use prime factorization to reduce a fraction?

**Math**

how do you write the prime factorization for 75/108.

**Math**

If input x is 1, 2, 3, 4 and output y is 6, 10, 14, 18 , what is its function rule?

**Help**

Avery has a three week vacation. He plans on driving a total of 4,898 miles. About how many miles should he average per day? As it turned out he spent 5 hours a day driving and drove a total of 5,565 miles. What was his average speed for the hours he drove?

**Math**

It is known that if the deer population falls below a certain level, m, then the deer will become extinct. It is also known that is the deer population goes above the maximum carrying capacity, M, the population will decrease to M. (a) Discuss the reasonableness of the ...

**math**

A jar consists of 21 sweets, 12 are green and 9 are blue. William picked 2 sweets at random. Find the probability that both sweets are blue.