Posts by Jessica

Total # Posts: 3,450

math
Evaluate (2.1 x 10^4) + (5.68 x 10^-2)Express the result in standard form. Can you explain your steps? I don't understand how to solve this with the negative 2

Math
1) Maria is 6 times as old as Tina. In twenty years, Maria will be only twice as old as Tina. How old is Maria now? Please explain how you got your answer. Thanks! 2) Rating. Relative speed of flow 10W. Half as fast as 5W 15W. Half as fast as 10W 20W. Half as fast as 15W 2) ...

Math
Savings-5% Others-25% Food- 10% Housing- 25% All taxes- 35% The pie chart above shows the Carson family's expenses for 1994. The Carsons had an income of $40,000 in 1994. In 1995 the Carsons income was $10,000 greater than in 1994. The family spent the same dollar amounts ...

Algebra2A
I am confused with this question: Find teh value of y for a given value of x, if y varies directly with x. If y = 6 when x = 2, what is y when x = 5?

Algebra2A
Thanks, can you help me with more?

Algebra2A
This is one of the questions on the semester exam, which is: Which algebraic expression represents the following phrase? 'The square of the sum of t and 6.' A. t^2 + 6 B. t + 6^2 C. (t + 6)^2 D. 2(t + 6) I do believe it is C, but I am not sure.

Not math sorry. Science
Sorry

Not math sorry. Science
Sorry

Math
Can you explain?

Math
The number of bonds an atom can form is represented by A pair of dots*** Unpaired dots Total number of dots One dot

Science
Which element is most stable? Chlorine Helium*** Silver Oxygen

spanish
Gracias

spanish
Thank you

spanish
change the verbs from the present tense to the present progressive Nosotros salimos de la escuela Answer: estamos saliendo

Math
Thanks

Math
A certain college had 5,000 applicants and 3/8 of thes applicants were female. The college admitted 40 percent of all applicants and an equal number of male and female applicants. What is the percentage of female applicants admitted to the college? What is the male applicants ...

Math
Thanks

Math
(k + 1/k) ^2 =36 what is k^2 + (1/k)^2 34?

Math
Why did you do 1^2 + ( 2+ radical3) ^2 Is that the Pythagorean theorem? If it is why did you do ( 2+ radical3) ^2 Wouldn't it be (Radical 3)^2 + EC = 2^2

Math
There is a picture of a square - BCAD, and then there is a triangle EAD. B. E C A. D FIGURE NOT DRAWN TO SCALE In the figure above, the perimeter of the equilateral triangle AED IS 6. What is the area of the rectangle ABCD? A) 6 B) 4 C) 4 radical 3 D) 3 radical 3 E) 2 radical 3

Math
If x^2 - x - 6 = 0 and x^2 + 5x+6=0, what is the value of x? A) -3 B) -2 C) 2 D) 3 E) it can't be determined from the information given. I got B. By plugging in the answers. Is there an another way to solve this?

math
There's this language called English. You should try it; Instead of whatever you were trying to do there.

Math
I got D, can you please check this?

Math
Which ordered pair could be removed to make a function? {(1,3) (2,4) (3,4) (3,6) (5,10) (6,3)} A) (2,4) B) (3,4) C (1,3) D) (6,3)

Math
Thank you!

Math
The planet Mercury is approximately 6 x 10^7 miles from the Sun. The distance between the Sun and Mars is approximately 2 x 10^8 miles. ABOUT how many times farther from the Sun is Mars than Mercury? 2 3 20 30 I got B? Can you please check? Thank you!!

Math
Due to the plate tectonics, the summit of Mount Everest moves about 4.5 X 10 ^-3 meter northeastwar in one year. About how many meters does the summit of Mount Everest move in 11 years? 4.09 x 10 ^-3 4.95 x 10 ^-3 4.09 x 10 ^-2 4.95 x 10 ^-2 Can you please check this? I got D...

Math
A camper attaches a rope from the top of her tent, 4 feet above the ground, to give it more support. If the rope is 8 feet long, about how far will the stake need to be from the middle of her tent?

Geometry
I was checking to see if my answers were right or not.

Geometry
What does that mean?

Geometry
8. The lateral area of a cone is 555?cm^2. The radius is 15.1 cm. What is the slant height to the nearest tenth of a centimeter? A. 36.8 cm B. 11.7 cm C. 83.8 cm*** D. 25.5 cm 10. What is the volume of the given prism? Round the answer to the nearest tenth of a centimeter. The...

Geometry
What do you mean?

Geometry
I have a few questions I am confused on. #4. Use formulas to find the lateral area and surface area of the given prism. Round your answer to the nearest whole number. The figure is not drawn to scale. A. 795 m^2; 809 m^2 B. 758 m^2; 849 m^2 C. 795 m^2; 822m^2 D. 758 m^2; 822 m^2

Precal
solve for x 7^x/2=5^1-x what i have so far is: (x/2)ln7=(1-x)ln5 im not sure where to go from there

Algebra2
Yea

Algebra2
I am doing the Factoring Quadratic Expressions Quiz, has anyone done it? I am really stuck on it.

Chemistry
Periodic table

History
ok thank you so much Ms. Sue you were a big help! :D

History
Ms.Sue? are you there?

History
I would like to know if my answers are right or wrong 1. B 2. D are my answers right?

History
I think number one is B I think number two is D Am I wrong or right? Plz help.

History
1.Which event took place soon before The United States annexed Texas. A Sam Houston became president B Texas became a u.s. territory C James Polk became president D Texas wrote a new constitution 2.Which of the following images would be the best symbol of the turning point in ...

Chemistry
How many copper atoms are in a pure copper statue with a mass of 200 kg ?

biochemistry
) If the loss of each electron represents the liberation of 1.875 x 10-19 J, calculate the number of kJ and Cal (kcal), of fructose and oleate in a 1.00 g sample. (Significant digits count.) Fructose kJ = _____________ Cal = _____________ oleate kJ = _____________ Cal = ...

biochemistry
The carbons in each molecule are being oxidized to carbon dioxide in aerobic respiration.

biochemistry
for the assignment he said we'll need these... Use these for this assignment NA = 6.022 x 1023 mol-1 1 Cal (kcal) = 4.184 kJ

biochemistry
Calculate the total number of electrons that are lost in 1.00 g samples of fructose and oleate. (Note: the number of electrons lost per carbon atom is equivalent to its increase in oxidation state.) No. e- lost in 1.00 g fructose = _______________ No. e- lost in 1.00 g oleate...

Math/calculus
Prove Sin 8theta -sin 10theta= cot 9theta (cos 10theta - cos 8 theta)

Math/calculus
Thank you

Math/calculus
Tan 165° Use appropriate identity and evaluate

Math/calculus
Cos^2x-sin^2x/sin^4x-cos^4x Simplify

Math helppp
Thank you

Math helppp
Graph f (x) = 3cos (4pix -pi/2) -2

Math/calculus
Graph f (x) = 3cos (4pix -pi/2) -2

Math/calculus
Damon, why did you find the circumference when we already have the distance?

Math/calculus
Earth orbits the sun at an average distance of about 150 million kilometres every 365.2564 mean solar days, or one sidereal year. What is the linear velocity of th3 Earth in kilometres per hour?

Math/calculus
Thank you

Math/calculus
I don't understand how you got 125 and 120°

Math/calculus
A small plane leaves Victoria airport and flies at a compass heading of 330°. If the plane cruises at 125km/he for 90mins, how far north and how far west will the plane gave flown

Math
2a+b=11 and 4a^2 +b^2=101, what is the value of ab? A 4 B5 C12 D6 E20

Math
Okay.. I worked on The problem a little more, but I got D. Because the area of the squares would be 32(4) The area of the circles is 32pi So then wouldn’t the answer be 32(4-pi)

Math
Erica has 8 squares of felt, each with area 16. For a certain craft project she cuts the largest circle possible from each square felt. What is the combined area of the excess felt left over after cutting out all the circles? A) 4(4-pi) B) 8(4-pi) C) 8(pi-2) D) 32(4-pi) E) 16(...

Math
X=22?

Math
X=22?

Math
X=22?

Math
The average of four possible numbers is 15. The second number is 2 times the first number. The third number is twice the second. What is the largest number? Would these be consecutive integers? And then you find the median??

Math
What?

Math
D? I don’t know if this is correct... I filled in the variables D=R times T 500=60/T times x

Math
While driving on a 500-mile trip, Mr. Smith averages 60 miles per hour for the first t hours. In terms of t, where t<8, how many miles remained to be traveled? A) 60t-500 B) 500-60t C) 300,000 D) 500-60/t E) 500/60t

Math
By 7:00P.M., 1/3 or the junior class has arrived at a school dance. By 8:09PM., 30 more juniors had arrived, raised attendance to 1/2 of the juniors class. How many people are in the juniors class? I don’t understand.. can someone help? A 30 B90 C120 D180 E240

Math
Okay thank you!!

Math
And how can I contact her? Or will she answer here?

Math
Hi! I’m practicing for the SHSAT, and I am doing some math problems. I don’t want to take advantage of this website, so I decided to ask you guys first. Am I allowed to ask lots of math questions? But I will answer them(at least the ones I know) could you help me ...

math
Write a 2-column proof for each of the following. Given: QR|| TU , S is the midpoint of QT Prove: /\QSR =~ /\TSU /\ Is the triangle sign

math
Given: measured angle D =~ measured angle F; GE bisects DEF prove: DG =~ FG

math
Write a 2-column proof for each of the following. Given: QR|| TU , S is the midpoint of QT Prove: /\QSR =~ /\TSU /\ Is the triangle sign

math
Write a 2-column proof for each of the following Given:RS=~ TS , V is the midpoint of RT Prove: /\RSV=~/\TSV /\ is the sign that looks like a triangle.

math
Name the congruent angles and sides for the pair of congruent triangles. ?GKP=~? ?LMN that is the "congruent" sign

Science
Well, let's narrow this down, toothpaste obviously has more than one ingredient, leafy vegetables are not, made from anything, soda has more than one ingredient, like, sugar, corn syrup I think, You get the idea, so the answer has to be wine, right?

Science
Which of the following distinguishes living things from nonliving things? A) Living things are made up of cells;nonliving things are not B) Living things are made up of atoms;nonliving things are not. C) Living things are made up of elements;nonliving things are not D) Living ...

Science (PLEASE ANSWER SOON)
Most bacteria are: A) Unicellular eukaryotes B) Unicellular proaryotes C) Multicellular eukaryotes D) Multicellular proaryotes

Chemistry
Calculate the solubility of LaF3 in grams per liter in the following solutions. The Ksp of LaF3 is 2.01 e-19. 0.013 M KF Solution

Math
12,000 is compounded semiannually at a rate of % for 20 yrs

Math help
How does rationalizing the denominator use the form of 1?

Social studies
LiL Yatchy you have to tell her your ANSWERS THEN SHE WILL HELP YOU!.

Math helppp
The area of a playground is 64 square yards. The length of the playground is 4 times longer than its width. How can I solve this?

Advanced Algebra
The regular price of a chair is $895. If you purchase the chair at a 25% discount and then pay 6% sales tax, what is the final cost of the chair? I don't get how to set up this problem

Algebra
Jessie needs to rent a truck for two days to move her belongings to college. She can rent a U- Haul for $35 a day plus 25 cents per mile or she can rent a Budget Rental Truck for $25 per day plus 32 cents per mile. Write an equation and solve to find out how many miles she ...

Life orientation
Why would I participate in a community project? Firstly, the people living in communities are crippled by poverty. The are jobless and roam around looking where they can steal (often accompanied by crime. In order to increase the living standard and have a dignified way of ...

physics
Starting from the constant-acceleration kinematic equations, write a formula that gives xf in terms of t, xi, vf, and a. xf

math
how do I solve problems like this? 64x1 7/24

chemistry
If Cl ? is the only anion in the solution, what is the Cl ? concentration in milliequivalents per liter?

Science
Describe the process of decomposition

Health
Ms.sue? plz help.

Health
b?

Health
I think it is c

Health
15. Strong social bonds and a good support system can block the negative effects of stress in your life. Which factor can be a poor choice for blocking the negative influences? (1 point) A.associating with peers who are drug free B.having friends who are supportive and ...

Physics
The left face of a biconvex lens has a radius of curvature of magnitude 12.8 cm, and the right face has a radius of curvature of magnitude 17.9 cm. The index of refraction of the glass is 1.45 a) Calculate the focal length of the lens for light incident from the left. b) After...

Science
Explain why would the debris fan (mound of deposition) be greener than the surrounding areas? Think of the slide mass versus the surrounding in?place bedrock in terms of porosity and permeability; how would these parameters differ?).

HISTORY HELP, URGENT
Ms. Sue, so far i've come up with the Native Americans. I feel like the others really don't have anything in common with the environmental movement. Am i wrong?

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