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July
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July 27, 2015
Question 1) Consider the following reaction of calcium hydride (CaH2) with molten sodium metal:CaH2(s) + 2 Na(l) -> 2 NaH(s) +
4 answers
asked by
Ashley
1,874 views
The mean is 18.1 the data set for 13 is -1.7
What is the standard deviation for this data set.
1 answer
asked by
Malu
359 views
What is the difference between a bibliography and an annotated bibliography?
A. An annotated bibliography includes a brief
3 answers
asked by
Daniela
949 views
Which of the following would not be considered plagiarism?
A. Summarizing source information and including a citation on the
5 answers
asked by
Daniela
2,810 views
The product of 2000 negative numbers could equal.
A. -200 B. -1 C. 0 D. pi
1 answer
asked by
hila
429 views
The product of the digits of 2000 is 0. How many integers y, 2000<y<2100, also have 0 as the product of their digits?
A. 19 B. 20
1 answer
asked by
hila
390 views
I get f(5)=2*5^2-20*5+5=2*25-100+5=50-100+5=55 not sure what doing wrong
1 answer
asked by
roger
336 views
About how many participants are needed for 80% power in each of the following planned studies that will use a t test for
1 answer
asked by
Maria
483 views
f(x)=2x^2-20x+5 find vertex
is(5,55)correct
1 answer
asked by
roger
349 views
Use factoring to solve 5^4-8x^2=0
Not sure where to begin I got x^2(5x^2)-8=0
4 answers
asked by
sue
356 views
Which of the following is not a tip that can help you find good sources for a topic?
A. Limit yourself to one source in the
4 answers
asked by
Daniela
436 views
If my paragraph is correct
« Une affaire terriblement seule de la vie. Vous entrez dans seul le monde et vous sortez seul du
5 answers
asked by
Rose
767 views
which expression is equivalent to (sinx+1)(sinx-1)?
A.) COS^2X B.) -COS^2X C.) COS^2X+1 D.) COS^2X-1 E.) -COS^2X+1
1 answer
asked by
Daisy
383 views
The Phillies were accused of cheating their beer customers by not putting enough beer in their 12 oz cups. When 15 cups were
2 answers
asked by
Sabrina
737 views
Jessica gave a ___________ account of the conversation she'd had with the police.
----A) verbatim B) decorous C) dilatory D)
6 answers
asked by
Anonymous
1,054 views
find the exact value of sin 112.5 in fraction form
4 answers
asked by
Daisy
1,932 views
There's a question I've been having difficulty solving, and I would really appreciate if you can show he steps to how I can
1 answer
asked by
Sarah
483 views
which of the following is a solution to 3tan^3x=tanx?
A.) 60 degrees B.) 120 degrees c.)150 degrees D.)240 degrees E.)300 degrees
2 answers
asked by
Daisy
1,124 views
If an outdoor runner develops a headache, feels tired, and has an elevated heart rate, what is the most probable cause?
3 answers
asked by
myke
912 views
In MLA style, how long must a quote be to be a block quotation?
A. More than 8 lines B. More than 2 lines C. 50 words or more D.
2 answers
asked by
Daniela
971 views
You're working to come up with an interesting topic. Which of the following terms would not apply to
that effort? A. Manageable
5 answers
asked by
Daniela
379 views
Which type of writing assignment would benefit the most from the use of outside sources?
A. The first act of a play about John F.
3 answers
asked by
Daniela
1,156 views
Can someone show how to solve this problem
Two vertical towers of heights 60 ft and 80 ft stand on level ground, with their bases
4 answers
asked by
Hank
2,137 views
Suppose the stock of Microsoft increases in value by $5 per share. If all other Dow stock prices remain unchanged, how does this
2 answers
asked by
Jessica
744 views
Suppose the rate of inflation this year is 4.5%. What is the percentage decrease in the buying power of a dollar?
a) 4.3% b) 4.7%
4 answers
asked by
Jessica
1,632 views
1. Suppose the buying power of the dollar decreases by 6.7% this year. What is the rate of inflation this year?
a) 7.6% b) 7.2%
3 answers
asked by
Jessica
2,337 views
Of the following, which is the most important to consider when analyzing and revising an academic
paper? A. That the paper will
2 answers
asked by
Daniela
945 views
Which of the following statements is true about choosing sources?
A. Books and articles written prior to the year 2000 are the
3 answers
asked by
Daniela
1,780 views
1.
Jessica gave a ___________ account of the conversation she'd had with the police. A) verbatim B) decorous ----C) dilatory D)
5 answers
asked by
Anonymous
516 views
A technician mixes a solution containing silver nitrate with a solution containing sodium chromate. 2.89 g of precipitate is
4 answers
asked by
Jill
2,238 views
How many grams of table sugar (C12H22O11) will be needed to make 3.5 L of a 11.5 M solution?
4 answers
asked by
Will
1,060 views
Why is it better to rely on information from scholarly journals, not magazines, in academic writing?
A. Scholarly journals are
2 answers
asked by
Daniela
719 views
1.
Which of the following is grammatically correct? (mixed constructions) A) Even though the boy left early does not mean he was
5 answers
asked by
Anonymous
1,176 views
Amanda is holding a compass and notices that the north pole of the compass points toward the north pole of the Earth. She is
7 answers
asked by
Nour
3,144 views
Suppose that you're going to interview someone in preparation for writing a research paper on teaching
techniques for
2 answers
asked by
Daniela
873 views
Which of the following is an example of a secondary source?
A. An interview with Stephen King B. A novel by Stephen King C.
11 answers
asked by
Daniela
3,320 views
Which of the following is an example of opinion?
A. The Canadian men's hockey team won the gold medal in the 2010 Winter
1 answer
asked by
Daniela
517 views
A boy is riding a skateboard. Why does the skateboard have the ability to do work?
because it can slow down because the force
3 answers
asked by
Nour
860 views
A rectangle has area 6 cm^2 and diagonal length 2 square root 5cm. What is its perimeter
3 answers
asked by
Liam
586 views
From the top of a tree the angle of depression of a boat is 30degree if the height of a tree is 36m above the sea level
2 answers
asked by
Charito
544 views
Evaluate(2+j4)*(-3-j4) and express in polar coordinate fform
3 answers
asked by
saurabh
400 views
Find a fourth-degree polynomial with integer coefficients that has zeros 4i and −1, with −1 a zero of multiplicity 2. (Use x
3 answers
asked by
Melany
5,311 views
Solve (1) TTX=2
(2) 3x+2=5x+7-2x (3) 6x+2-4x=5+2x-3
1 answer
asked by
nakul
309 views
Equations solve by matrix method
(1) x+y+z=3 (2) x+2y+3z=4 (3) 2x+4y+9z=6
2 answers
asked by
nakul
666 views
To what volume should you dilute 47.0 mL of a 5.95 M KI solution so that 27.5 mL of the diluted solution contains 3.50 g of KI?
3 answers
asked by
greg
504 views
Equations solve by matrix method
(1) x-y+3z=2 (2) 2x+y+2z=2 (3) -2x-2y+z=3
5 answers
asked by
nakul
711 views
What is the tension in the string in (Figure 1) ? The volume of plastic ball is 95 cm3 and the density is 840 kg/m3.
4 answers
asked by
Tommy
3,196 views
construct a triangle ABC such that AB =BC=4.7 cm and <B=75 DEGREE .MEASURE <A AND <C
1 answer
asked by
SUNITA
384 views
cite samples of lesson plan for elementary students
1 answer
asked by
tina
365 views
why when the granite decompose it converts to clay? and what is the simplest meaning of B horizon. i don't fully understand the
1 answer
asked by
Anonymous
408 views
a full draw is the maximum distance that an archer can pull an arrow. Using the recurve bow shown below, a particular archer
1 answer
asked by
Brandy
677 views
What does delocalization mean?
what is the difference between non delocalizabe and delocalizable? Thank you in advance..
1 answer
asked by
Anonymous
390 views
m+7/m^2+4m-21
1 answer
asked by
Alex
301 views
An officer is investigating an accident. A car has struck a pedestrian at a school crosswalk.There are no witnesses to the
2 answers
asked by
Beth
585 views
solve -8/15 a = 9/10
5 answers
asked by
Carter
323 views
solve 7/10 d = 21/20
1 answer
asked by
jalen
311 views
if we tritrate weak acid(oxalic acid)with strong base(naoh).which indicator is used and why
3 answers
asked by
yamin nazir
457 views
Which of the following is NOT a solution to cos^2x=3sin^2x?
A.) 30 degrees B.) 60 degrees C.) 150 degrees D.)210 degrees E.)330
2 answers
asked by
Daisy
514 views
One solution contains 25% as much water as alcohol and another solution contains 5 times as much water as alcohol. How many
3 answers
asked by
Ben
586 views
A woman spent 75 more than 75% of her money in one store. She then spent 75 more than 75% of her remaining money in another
3 answers
asked by
Jeysi
682 views
What is the exact value of sin 225
4 answers
asked by
Daisy
1,566 views
kavita has 1 metre of ribbon. she uses 1/3 metre to wrap one package. ho many package can she wrap with 2 metres?
1 answer
asked by
Kashish
331 views
The amounts by weight of gold, silver and lead in three alloys of these metals are in the ratio 1:5:3 in the first alloy, 2:3:4
6 answers
asked by
Anne B.
1,095 views
which expression completes the identity sin ucosv=?
4 answers
asked by
Daisy
2,331 views
What volume of 0.5M H2SO4 will exactly neutralise 20cm3 of 0.1MNaOH solution?
1 answer
asked by
aniekan
439 views
how do you i do the partial fraction for 1/(s^2)(s^2 +2s +3)
5 answers
asked by
Anonymous
373 views
John spends 380 dollars to buy the following two items sugar and salt, the amount is 100 bags, a bag of sugar is 2 dollars, a
3 answers
asked by
Jones
497 views
Really need help..I can't figure out how?
A van travelling at 60km/h left Town A for Town B at 7.00am. At 7.30am, a car left Town
2 answers
asked by
Amy S.
640 views
In a class election,the votes of the two candidates were in the ratio 4:5. If there were 45 students in the class, how many did
2 answers
asked by
jas
530 views
5x-1=1
32x+5=17
1 answer
asked by
beverly
377 views
how to construct a quadrilateral MATH where MT bisects M. AH is perpendicular bisector of MT. M is 60 degrees. A is 120 degrees.
2 answers
asked by
Roch
607 views
A car traveled from A to B at a speed of 15 km/h and return at a speed of 30 km/h. Find the average speed for the whole journey.
3 answers
asked by
Jones
711 views
What distance does Anna covered by running on a circular track of length 500m?
1 answer
asked by
Edgar
398 views
Two trains, Aand B , leave a train station at the same time but in different directions, one towards east and the other towards
2 answers
asked by
Jones
889 views
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