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Unit 8 lesson 5 in 8th grade math
1. 1 answer
2. 44 views
It is important to blank the victim before calling 911
1. 1 answer
2. 61 views
Sera shared part of her land among her fourchildren. Their shares were 0.29, 0.26, 0.21 and 0.14 of the land. If the part that
1. 1 answer
2. 123 views
what is negative nine plus five times ten divided by two
1. 1 answer
2. 160 views
An unknown nonelectrolyte and nonvolatile compound is dissolved in enough pure water to make 229 ml of solution. The vapour
1. 3 answers
2. 712 views
Divide. (24w10 + 8w12) ÷ (4w4)A. 6w6 + 2w8 B. 6w6 + 8w12 C. 24w10 + 2w8 D. 6w10 + 2w12
1. 1 answer
2. 553 views
Divide. Start Fraction left-parenthesis Start Fraction x squared plus 6 x plus 9 over x minus 1 End Fraction right-parenthesis
1. 9 answers
2. 2,276 views
Divide. (35x2 – 11x – 8) ÷ (5x + 2)A. 7x minus 5 plus StartFraction 2 over 5 x plus 2 EndFraction B. 7x plus 5 plus
1. 0 answers
2. 624 views
The width, w, of a rectangular playground is 2x – 1. The area of the playground is 2x3 + x2 – 5x + 2. What is an expression
1. 1 answer
2. 1,738 views
A software company is releasing one of its products on CD. The manufacturer charges a $5,500.00 setup fee and $1.00 per CD.
1. 1 answer
2. 1,073 views
Note: Enter your answer and show all the steps that you use to solve this problem in the space provided.Simplify (2√5+3√7)^2
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2. 578 views
In Spanish, how do you say “Where are the posters”?A. ¿Dónde está los cartels? B. ¿Dónde están los carteles? C.
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2. 869 views
In Spanish, how do you say “It’s a table.”?A. Es el mesa. B. Es un mesa. C. Es los mesa. D. Es una mesa.
1. 1 answer
2. 477 views
How would you write the sentences “You [formal] need to study for English class” and "You [informal] need to study for
1. 0 answers
2. 507 views
¿Qué necesitas para la clase de matemáticas? Write your answer in a full sentence in Spanish.
1. 3 answers
2. 1,826 views
Why is it not always necessary to include a subject pronoun before the verb in Spanish? Write your answer in English and give an
1. 1 answer
2. 1,950 views
What is your favorite class? Use two adjectives to explain why you like it.Write your answer in Spanish using the following
1. 1 answer
2. 1,274 views
What are the domain and range of the function y equals 2 start root 3x plus 4 end root minus 5?A. lower x
1. 1 answer
2. 1,437 views
The area of a rectangular art studio is given by the trinomial 12 x squared plus 5 x minus 2. What are the possible dimensions
1. 3 answers
2. 2,426 views
The area of a rectangular room is given by the trinomial x squared plus 3 x minus 28. What are the possible dimensions of the
1. 1 answer
2. 1,495 views
Write the label P for positive, C for comparative, or S for superlative to describe the degree of comparison of the modifier in
1. 5 answers
2. 3,575 views
What pronoun should you use to address a teacher in Puerto Rico?A. ustedes B. tú C. usted D. vosotros
1. 2 answers
2. 1,076 views
How do most students in Puerto Rico go to school?A. They walk. B. They ride a bike. C. They take a school bus. D. They drive
1. 5 answers
2. 1,195 views
What does la clase de ciencias naturales es aburrida mean in English?A. The science class is fun. B. The social studies class is
1. 2 answers
2. 1,277 views
How would you write 1:30 p.m. using 24-hour time?A. 1:30 B. 01:30 C. 13:30 D. 15:30
1. 2 answers
2. 285 views
How would you say “in second period” in Spanish?A. en el sexto hora B. en la sexta hora C. en el segundo hora D. en la
1. 4 answers
2. 792 views
when you must give something up in order to get something else its called
1. 1 answer
2. 458 views
Please help I don't know how to solve thisSuppose a spherical asteroid has a radius of approximately 9.0 × 102 m. Use the
1. 1 answer
2. 507 views
what is average speed in miles per hour for 621 miles in 11.5 hours
1. 1 answer
2. 308 views
How do you ask for help for your mental health? My parents aren't really that accepting and I'm afraid of being casted out to a
1. 2 answers
2. 312 views
LOG2 (X+3)= LOG2 (4X-24)THANKS
1. 1 answer
2. 304 views
What is possibly the best indicator of a country's ability to use technology to leap several stages of economic development in a
1. 1 answer
2. 653 views
I am looking at an olympic event that has happened every 4 years (except for when the olympics didn't happen because of the
1. 2 answers
2. 625 views
Would someone check this for me please because I'm a little confused.The height of a golf ball in meters can be described by the
1. 1 answer
2. 661 views
Find the x-intercepts of the polynomial y = x^2 - 4x + 3I'm not sure how to approach this -- do I first factor it and then my x
1. 2 answers
2. 2,830 views
Hello,I am working on exponential equations of best fit. I have a table numbered from 1-7 with corresponding numbers. I put that
1. 2 answers
2. 692 views
Suppose a radio active substance decays at a rate of 3.5% per hour. First write an exponential decay function that describes a
1. 3 answers
2. 2,558 views
Which equation is NOT an example of a direct variation?a. y = x b. 4x + 3y = 0 c. y = 5/4 x d. 2x + 6y = 0 Direct variation is y
1. 3 answers
2. 6,309 views
Hi,Would you please check to see if I did this problem correctly? Your distance from lightning varies directly with the time it
1. 3 answers
2. 1,979 views
Hi,would you please check to see if I did this problem correctly? A recipe for 2 dozen corn muffins calls for 3 cups of flour.
1. 2 answers
2. 1,506 views
I had to look up a restaurant's nutrition information and pick an entree. Then the question says this: Assume that one serving
1. 1 answer
2. 582 views
Body mass index (BMI) is essentially a comparison between a person's weight and height. A BMI between 18.5 and 24.9 is
1. 1 answer
2. 683 views
How do I factor 9x^2 - 49?I believe this is a difference of squares, but I'm not sure how to do it with the 9 in front of the
1. 1 answer
2. 593 views
How can you tell if a function is quadratic?Just if the highest power is 2? Are there any other ways?
1. 1 answer
2. 406 views
If you're looking at a set of data, how can you tell whether a linear or exponential line of best fit would be most appropriate
1. 1 answer
2. 440 views
What is the connection between the solutions of the equation ax^2 + bx + c = 0 and the x intercepts of the graph f(x) = ax^2 +
1. 1 answer
2. 477 views
I'm trying to multiply this and keep getting the wrong answer:(x - 5)(-0.025x + 220) I have used the FOIL method and I have
1. 1 answer
2. 551 views
Try as I might, I just don't understand the difference between inductive and deductive reasoning. I have tried reading about it
1. 1 answer
2. 765 views
How do I find the x intercepts of the functionf(x) = -6x^2 + 2700x - 63,750 I know the y has to = 0, but I'm not sure how to
1. 2 answers
2. 499 views
2p - 4p < _ -2that is less than or equal to because I don't know how to make the symbol on my computer Then I get -2p < _ -2
1. 2 answers
2. 547 views
What is the difference between the correlation coefficient and residuals when talking about the line of best fit?With the
1. 0 answers
2. 441 views
I am learning about lines of best fit and how to do them on my calculator. I found the correct equation and now I need to find
1. 3 answers
2. 808 views
I have to answer the question: "why are inequalities a more realistic way to model situations than equations" and am having
1. 2 answers
2. 828 views
Write the equation of the line that passes through the points (3, -2) and (-2, 8) using the slope-intercept form.My slope is -2
1. 2 answers
2. 1,082 views
I am to solve this inequality:2/3x < -12 I multiplied both sides by 3/2 to get x < -12(3/2) x < -18 But the answer shows x < -9
1. 3 answers
2. 483 views
I need to recreate a graph in Excel but don't know how to get started. I know how to make graphs in Excel, that's not the
1. 5 answers
2. 751 views
When writing an equation in point-slope format, is it not proper to fully solve for y?For example, here is my problem: Find the
1. 2 answers
2. 510 views
How do I solve for F here?Solve C = 5/9(F-32) for F
1. 2 answers
2. 2,504 views
I need to solve a literal equation --Solve for h: A = 1/2bh If I divide both sides by 2b, then my answer would be h = A/2b Is
1. 2 answers
2. 848 views
Why does an account with linear growth and a steady increase of $700 each month have a changing relative difference while an
1. 3 answers
2. 394 views
16. Assume that there are 20,000 runners in the New York City Marathon. Each runner runs a distance of 26 miles. If you add
1. 4 answers
2. 1,496 views
I know that theoretical probability observes how may outcomes are possible and assumes that each outcome is as likely as any
1. 2 answers
2. 553 views
I am asked to plot points on a coordinate system and then state what quadrant they are in.If I have a point such as (4,0), which
1. 2 answers
2. 662 views
One of the guest rooms in my house has two walls that are 15'6" by 8 ft, and two that are 12'3" by 8 ft. When buying paint for
1. 4 answers
2. 525 views
This was a question asked yesterday that I am stuck on also -- could you explain how to solve this using this "log" on the
1. 0 answers
2. 525 views
I'm trying to factor a problem and cannot seem to get it to work out ---12a^3 + 10a^2 - 8a I first factored out the gcf of 2 to
1. 2 answers
2. 497 views
After a dog or cat is given a preventive flea medicine, the medicine begins to break down in the animal’s bloodstream. With
1. 1 answer
2. 603 views
Suppose that D + E = A, that N/A = 0.18 and that D/A = 0.85 . Solve for N/E.
1. 1 answer
2. 345 views
I posted this question yesterday that you answered, so thank you, but how do I put this in my calculator to get this answer?If
1. 1 answer
2. 626 views
If the exponential equation of best fit is y= 2.9046(1.9798)^x, when will the population be more than 13 million?How would I
1. 4 answers
2. 564 views
I have a table and was given an equation of best fit - the table is about the growing US population. My equation of best fit is
1. 4 answers
2. 507 views
I'm having a little trouble solving inverse variation. I have four problems - 2 are solved using proportions, 2 are not --- why
1. 1 answer
2. 849 views
In the correlation coefficient, what is the difference between r^2 and r? I know the correlation coefficient is r, and to find r
1. 1 answer
2. 664 views
I accidentally deleted the L2 column on my TI-84 calculator - is there a way to get it back on? Currently it goes L1 to L3
1. 0 answers
2. 776 views
How do I find the y-intercept from a table? I know if the table has the x value as 0, and it gives the y value, then that is the
1. 1 answer
2. 1,941 views
I have two questions:If I have a table such as: Elevation Temperature in 1000 of ft in degrees Fahrenheit 4 73 5 69.5 6 60 So I
1. 2 answers
2. 650 views
I posted this question yesterday but did not get a response so am posting again in hopes that I will get a response today. I am
1. 1 answer
2. 546 views
I'm wondering if someone could check my work please?I have a table: Distance driven in miles Total Cost 0
1. 1 answer
2. 774 views
Two ships leave from the same port. One ship travels on a bearing of 157 degrees at 20 knots. The second ship travels on a
1. 4 answers
2. 1,629 views
A gift box is made from a rectangular piece of cardboard that is three times as long as it is wide. 5 cm squares are cut from
1. 1 answer
2. 1,067 views
Mr Barkley has a box of books. He says the number of books in the box is divisible by 2,3,4,5 and 6. How many books could be in
1. 2 answers
2. 1,008 views
A zoo keeper weighed some of the animals at Melbourne Zoo. He found that the lion weighs 90 kg more than the leopard, and the
1. 2 answers
2. 1,760 views
Can Someone Please Help Me With My British Lit questions? I have been looking for help everywhere :( Anybody?
1. 3 answers
2. 371 views
Would you please help/check my answers on these probability questions because I cannot come up with what the answer book says.A
1. 2 answers
2. 1,313 views
Why is -4^2 -16, not 16?To me, -4 * -4 = 16 because a negative times a negative equals a positive. I understand -(4)^2 being
1. 1 answer
2. 451 views
How many moles of magnesium nitride form when 1.0 mole of magnesium reacts completely?
1. 2 answers
2. 1,210 views
1. In a soccer game, the coach of the home team realizes her players are not as highly skilled as the other team and she wishes
1. 1 answer
2. 2,167 views
At the mall, John and three of his friends are waiting for the movie to start. One of his friends has an older brother who says
1. 4 answers
2. 890 views
The air pressure at sea level is generally about 1013 hPa (hectoPascals). For every kilometer that you go up in elevation, the
1. 3 answers
2. 1,183 views
Considering linear, quadratic, and exponential lines of best fit:If you're studying a set of data, how can you decide which of
1. 3 answers
2. 621 views
A manufacturer has determined that if it sets the price of paper at x dollars per ream, then its monthly profit can be
1. 1 answer
2. 465 views
Find the initial amount given an exponential function.Given the equation y = 24(0.77)^t, what is the initial amount? To find the
1. 1 answer
2. 782 views
The producer of a 30 minute tv documentary about world war 1 divided it into two parts. four times as much program time was
1. 1 answer
2. 996 views
What is the connection between the solutions of the equation ax^2 + bx + c = 0 and the x intercepts of the graph of f(x) = ax^2
1. 2 answers
2. 508 views
Solving system of equations by substitution.52. {5x-2/4+1/2=3y+2/2;7y+3/3=x/2+7/3
1. 1 answer
2. 487 views
A manufacturer has determined that if it sets the price of paper at x dollars per ream, then its monthly profit can be
1. 2 answers
2. 542 views
My profit formula is P = -.005x^2 + 4x - 200. The question wants me to find the number of donuts sold (what they are talking
1. 5 answers
2. 496 views
Hi,I'm trying to learn factoring but a couple of things don't make sense to me and I'm hoping you could explain them. If I have
1. 1 answer
2. 523 views
I'm sorry, but I am asking this question again because the response I received was a question that I could not answer - that's
1. 1 answer
2. 646 views
If someone asked: what can we learn from analyzing the standard deviation of a set of data that we couldn't learn from just
1. 1 answer
2. 1,445 views

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