erin

This page lists questions and answers that were posted by visitors named erin.

Questions

The following questions were asked by visitors named erin.

The area of a parallogram is 128 sq miles . Find its base &height . 2x-4. 2x+ 4
12 years ago
What is a negative 588 divided by two numbers that equal the sum of 7?
12 years ago
The formula A = 180(n-2)/n relates to the measure A of an interior angle of a regular polygon to the number of sides n. If an interior angle measures 120 degrees, find the number of sides A)5 B)6 C)8 D)10 I have NO clue on how to do this pls help. Make A...
18 years ago
1)solve the inequality -3(r-11)+15>_9 my answer = r<_13 2)solve the inequality -2<4z+10<_12 my answer = -3<z<_1/2 3)solve the inequality 2x-5<_10 or 33-4x<5 my answer is x<_15/2 or <7 4)solve the inequality 3(absolute bars m-4)>6 my answer is m<1 or m>7 5...
18 years ago
evaluate:-[a-3b],if a= -2 and b= 6 -[-2-18] -[20] 20 correct? these are absolute bars by the way. No, not correct. |-20| is 20. Put a minus sign in front of it and you have -20. The error is made going from line 2 to line 3. but absolute is never negative...
18 years ago
1)Find the range of the relation [(-1,4)},(2,5),(3,5)}.Then determine whether the relation is a funtion. 4,5,5 is the range 4,5 is a function 2)Find f(-1),if f(x)= x^2-6x/x+2 (-1)^2-6(-1)/-1+2 1+6/-1+2 7/1 =7 3)Find f(a),if f(t)= 2t^2-t-2. 2(a)^2-a-2 2a^2...
18 years ago
1)The first row of -3T. T[4 -5 2] [8 -1 3] answer=[-12 15 -6] 2)The first row of 5P-Q. P[3 1] Q[4 4] [-4 0] [12 21] answer=[11 1] 3)The first row of TV. T[4 -5 2] V[3 1] [8 -1 3] [0 2] [-4 5] answer=not possible 4)The inverse of matrix R. R[0 -1/4] [1 3/4...
18 years ago
1)Cramer's Rule is used to solve the system of equations:3m-5n=12,4m+7n=-5 Which determinant represents the numerator for n? answer=[12 -5] [-5 7] 2)Cramer's Rule is used to solve the system of equations:3x-y+2z=17,4x+2y-3z=10,and 2x+5y-9z=-6 Which determ...
18 years ago
my post is still on this page as algebra, could someone elaborate on what bobpursley tried to help me with. See your original post. I am guessing you are referring to your question 5)Simplify:(5x-4)^2 and your answer= 25x^2 - 16 (5x-4)^2 =(5x-4)(5x-4) = 2...
18 years ago
By 1914, what two nations controlled most of africa?
18 years ago
i hope it's ok if i post another question: How did the western nations respond to South Africa's apartheid system?
18 years ago
solve for z writing the answer in polar form: #1 z=(3,115 degrees)*(4,290 degrees) #2 (8,50 degrees)* z=(6,172 degrees)
17 years ago
how does yeast cause bread to rise?
17 years ago
what are the four properties that can be used to classify elements?
16 years ago
what are the three parts of the cell theory?
16 years ago
an electrochemical cell uses Al and Al+3 in one compartment and Ag and Ag+ in the other write a balanced equation for the rxn that will occur spontaneously in this cell would that just be Al + Al+3 + 2e --> Ag + Ag+ ?
16 years ago
it is everything that occupies a place in the space
16 years ago
In geometry, can a counterexample be used to determine if a conjecture is false or not?
15 years ago
how do you find the height of an isosceles triangle only knowing the lengths of all three bases? EX: There's isosceles triangle ABC with vertex angle B. AB= 5x-28. BC= 2x+11. AC= x+5
15 years ago
what is needed to combine two sentences with a comma
15 years ago
In a right triangle ABC, C = 90°, a = 21 ft and b = 76 ft. Solve for all the missing parts using the given information. (Round each answer to the nearest whole number.)
15 years ago
what was the opinion of americans who opposed the mexican war
15 years ago
trapezoidabcd is similar trapezoid efgh the ratio of the perimeter is 7/3. if the area of is 82. what is the area of trapezoid efgh
15 years ago
of 28 and a quotient of 8?
15 years ago
of 28 and a quotient of 8 ?
15 years ago
of 28 and a quotient of 8?
15 years ago
How long would our year be if our Sun were two fifths its present mass and the radius of the Earth’s orbit were six times its present value?
15 years ago
a bullet of mass of 12 grams is fired into a large block of mass 1.5 kg suspended from light vertical wires. the bullet imbeds in the block and the whole system rises 10 cm. find the velocity of the bullet just before the collision.
15 years ago
The height of an object thrown upward with an initial velocity of 96 feet per second is given by the formula h = -16t2 + 96t, where t is the time in seconds. How long will it take the object to reach a height of 144 feet?
15 years ago
Use point-slope form to write the equation of the line with the given properties. Write the equation in standard form. m is undefined passing through P(-7, -7)
15 years ago
a potassium hydroxide solution is titrated with a solution of perchloric acid. what is the balanced equation?
14 years ago
A motorcycle stunt rider must jump a 100m wide canyon given a 20° ramp positioned on either side. What minimum speed is required so the rider will clear the canyon?
15 years ago
what is the x and y intercept of 4x+7y=8?
14 years ago
An RC car has a power rating of 12 W and a mass of 1.0 kg. How long would it take to reach 5 m/s ? thanks.
14 years ago
how many mL of 1M HC2H3O2 are required to neutralize a spill of 25mL of 6M NaOH?
14 years ago
pentane is burned completely in oxygen gas. what is the balanced equation?
14 years ago
if the volume of the pyramid is 64 feet cubed and the height is 16 feet what is the area of the base measured in square inches?
14 years ago
Two children are having a splashing competition using a diving board. The first child is very small and jumps lightly off the end of the diving board. The second child, who is much larger, jumps heavily off the board. A. In what way or ways, if any, are t...
14 years ago
A shiny metallic Christmas ball ornament 5.10 cm in diameter is used as a mirror. What is the mirror's focal length? please answer in cm. thanks.
14 years ago
Voluntary actions are controlled within the _________ of the frontal lobe
14 years ago
write the decimal as a fraction or a mixed number. write your answer in simplest form. .3282 so far i got this, 3282/100,000 then simplified to 1641/50,000
14 years ago
please help me write the equation and solve for it. 1).in a basketball game, eric made half as many free throws as dan. if the total number of free throws made by both men was 18, how many free theows did eric make?
14 years ago
16b to the 8th power + 40b to the 7th power + 25b to the 6th power
13 years ago
In raising a 5000-N piano with a pulley system, the movers note that, for every 2m of rope pulled down, the piano rises 0.3m. Ideally, show that the force required to lift the piano is 500-N.
13 years ago
How do you do the hybridization of CBr4?
13 years ago
calculate the reduction potential for hydrogen ion in a system having a perchloric acid concentration of 2.00 x 10^-4 M and a hydrogen pressure of 2.50 atm.
13 years ago
an automobile tire has a diameter of 36 inch.how many revolution will the wheel make an arc the automobile travels 1 mile (5280 A)?
13 years ago
I have to find the area of a 14 yd square...the answer is the number plus the units squared
13 years ago
how do you solve 4(3d-2)=8d-5
13 years ago
how to solve 2x-9/3=8-3x
13 years ago
a glass jar containing .27 mol of Nitrogen with a leaky lid is heated from room temperature 22 celcis to 150 celcis. How many moles of Nitrogen remain? How many gtams?
13 years ago
I am writing an essay which has to have 3 character traits of romeo and 2 quotes to support each trait. I still need quotes for impulsive and fearless. Can you please help?
12 years ago
which of the following molecules has a conformational isomer? CHCH CH2CH2 CH3CH2CH2CH3 CH2CCCH2 I think its either 2 or 4 but leaning towards 4. I just need help being more confident in my answer.
12 years ago
Consider a normal distribution with mean 20 and standard deviation 3. What is the probability a value selected at random from this distribution is greater than 20?
12 years ago
the probability that a football game will go into overtime is 17%. In 240 randomly selected football games, what is the mean and the standard deviation of the number that went into overtime
12 years ago
A softball player hits the ball and starts running towards first base. Draw a motion diagram, using the particle model, showing her position and her average velocity vectors for the first few seconds of her run.
12 years ago
adaptive skills
11 years ago
A sample of nitrogen gas is confined in a 8.278 x 10-2 L container at 2.236 x 102 torr and 50 oC. How many moles of gas are present in the sample?
11 years ago
the density of an object with a volume of 60.0 mL and a mass of 400.0g is___? a. 0.150g/mL b. 2.89g/mL c. 5.50 g/mL or d. 6.67 g/mL
9 years ago
given f(x)= 5x+4/5x^2+4x and g(x) = 1/x a. determine the domains of f(x) and g(x) b. simplify f(x) and find any vertical asymptotes c. explain how the two functions differ I have absolutely no idea how to answer this question - can you please help me to f...
9 years ago
if 5.76 grams of co2 forms when 4.00 grams of c2h6 reacts, what is the percent yield for 2c2h6+7o2=4co2+6h2o
8 years ago
-4 what subset dose it blong in
6 years ago
Find the dimensions of the rectangle with area 225 square inches that has a minimum perimeter, and then find the minimum perimeter.
5 years ago
Hi, Can someone please explain how to solve this problem. Thanks in advance. If a measure has a mean of 35 and a standard deviation of 5, what percentage of people score higher than 42? What percentage of people score between 33 and 37?
5 years ago
Purple and yellow fish swim against a blue background. Which color scheme is present in the fish in this image? A. monochromatic B. complementary colors C. analogous colors D. warm colors
5 years ago
Look at the image of the dharma wheel. What main idea of Hinduism does it symbolize?
5 years ago
On the 1st January 2014 Carol invested some money in a bank account. The account pays 2.5% compound interest per year. On 1st January 2015 Carol withdrew £1000 from the account. On 1st January 2016 she had £23 517.60 in the account. Work out how much Caro...
4 years ago
What are the dimensions of a closed rectangular box that has a square cross section, a capacity of 122 in.3, and is constructed using the least amount of material? (Round your answers to two decimal places.)
4 years ago

Answers

The following answers were posted by visitors named erin.

read the whole thing jesus
18 years ago
thanks I appreciate it.
18 years ago
i'm really sorry to be impatient. is europe one of the nations, maybe?
18 years ago
thnx!
18 years ago
i'm seeing french and british. No european?
18 years ago
I don't have a text. i'm supposed to look it up online. i'm not sure-it would either be a good or bad reaction.
18 years ago
ok. About apartheid...I've learned that it was the legal separation of whites and blacks.
18 years ago
i have one more How far does the train then travel while being slowed to a stop?
17 years ago
I tried that and got 1.8x10^8 but it wasn't the right answer
17 years ago
of 28 and a quotient of8?
15 years ago
no, it would equal 6.7
15 years ago
dwls thank you very much
15 years ago
mitochondria-hydraulic dam ribosomes-small shops nucleus-town hall endoplasmic reticulum-special carts golgi apparatus- post office protein-widget cell membrane-fence lysosomes-scrap yard nucleolus-carpenter's union
15 years ago
First you solve for I (vant hoff factor) in the freezing point eqn. You are provided molality, delta fp and can get the kf from a textbook (hint since its aqueous, use value for h2o). Next, take this I value and plug it into the boiling point eqn with the...
14 years ago
bla bla bla because he has no tea bla bla bla
13 years ago
i dot geht thhis werlk? cahn sumwone elp meh?
13 years ago
I am given the concentration of HClO4 and a pressure for H2... how do i plug either of the givens into the equation youve shown??
13 years ago
ask your teacher for tutoring or find out if there are any tutoring classes in ur school. (good luck)
13 years ago
thnx
13 years ago
mexico,canada,U.S
13 years ago
which one would represent the water with no current?
12 years ago
14.84 m/s^2
12 years ago
5.03 m/s^2
12 years ago
A)are the same as functional skills. B)are different from functional skills. C)exclude functional skills d)include functional skills
11 years ago
We're you able to solve this? I cant find the answer!
11 years ago
192 fl oz=_ pt
10 years ago
4.8%
10 years ago
the answer is b)
9 years ago
Which words in the sentence make up the adjective phrase? Which word does the adjective phrase modify? The image on the previous page shows an outdoor mural that he painted. A. an outdoor mural; modifies shows B. on the previous page; modifies image C. th...
9 years ago
so what are the real answers
9 years ago
w]100
8 years ago
heat
5 years ago
i know its not d, but i dont know the answer
5 years ago
so whats the answer?
5 years ago
OMG THANKS IVE BEEN LOOKING FOR ANSWERS FOR OVER AN HOUR NOW
5 years ago
So first of all, you need to times 3% interest by 5 as it goes up 3% each year and there have been 5 years. Then, with the existing price of £270,000, you need to add 15% of £270,000, which is 40,500. Then with 270,000 and 40,500 added you should get £310...
4 years ago
Thanks so much @Alexander Hamilton o-o you weren't lying
4 years ago
2/5 is the remaining number of apples after 3/5 of it was given away
3 years ago