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Kathy
Questions and answers by
Kathy
, page 3
Questions (402)
Please help,
The displacement vector for a 15.0 second interval of a jet airplane's flight is (3850, −2430) m. (a) What is the
1 answer
446 views
Please explain,
A clown in a circus is about to be shot out of a cannon with a muzzle velocity of 15.2 m/s, aimed at 52.7° above
1 answer
895 views
I have two questions 1.) 2750 grams= lbs
2.)2km= yards and in my book I have a completely different answer. Thank you
4 answers
952 views
If an acrobat who weighs 800 N is clinging to a vertical pole using only his hands, neither moving up nor down, can we determine
1 answer
446 views
One end of a spring is attached firmly to a wall, and a block is attached to the other end. When the spring is fully compressed,
2 answers
785 views
Please help,
A cat is stuck in a tree. You are designated with the job to get it out, yet you do not want to climb the tree,
1 answer
1,035 views
Could anyone please help me with this problem? I would really appreciate it.
The top of Mt. Everest is 8850 m above sea level.
1 answer
441 views
Can anyone help me explain this problem?
Your help is appreciate it. You are given an apple and an orange. The apple has a net
3 answers
522 views
Can anybody please help me with this question?
Two friends are playing a version of proton golf where the hole is marked by a
3 answers
434 views
Please, I need help with this question.
An ion harvester is scouring deep space for isolated xenon (Xe+) ions. A xenon ion is
1 answer
424 views
Please, I need help with this problem. I would really appreciate it.
The top of Mt. Everest is 8850 m above sea level. Assume
4 answers
1,239 views
Can anyone please help me with this question? I am really confused.
A neutron star and a black hole are 2.400e+12 m from each
1 answer
370 views
I need help with this question, please.
What is the direction of the force between (a) two particles whose charges are the same
1 answer
414 views
I need help with this question please.
An ion harvester is scouring deep space for isolated xenon (Xe+) ions. A xenon ion is
1 answer
338 views
Please, can someone help me with this?
A neutron star and a black hole are 2.400e+12 m from each other at a certain point in
1 answer
392 views
A national study reports that 20% of college freshman have GPA above 3.5. We wish to determine if the corresponding proportion
1 answer
369 views
Please, help me answer this question.
Two balls are moving in the same direction. Ball A has half the mass of ball B, and is
2 answers
512 views
Can anyone please help me with this question? I don't understand why the speed is v m/s.
A sport utility vehicle is travelling at
1 answer
457 views
Please help me answer this problem.How do I answer this if I don't have the mass of the monkey and the scooter together?
At a
1 answer
932 views
Please help me answer this problem.How do I answer this if I don't have the mass of the monkey and the scooter together?
At a
1 answer
892 views
Please, help me answer this question.
Two balls are moving in the same direction. Ball A has half the mass of ball B, and is
1 answer
452 views
Can anyone please help me with this question? I don't understand why the speed is v m/s.
A sport utility vehicle is travelling at
1 answer
452 views
Please, help me answer this question.
Two balls are moving in the same direction. Ball A has half the mass of ball B, and is
4 answers
648 views
Please, I need help with this problem
A cue stick applies an average force of 66 N to a stationary 0.17 kg cue ball for 0.0012 s.
1 answer
982 views
Please I need help. I don't know how to do this problem without the SPEED VALUE.
A sport utility vehicle is travelling at a speed
1 answer
377 views
if 2 meters of a wire weigh 24.8 grams, how much do 6 meters of wire weigh?
2 answers
512 views
A senator asks his constituents to rank seven issues in order of importance. How many rankings are possible?
1 answer
355 views
How do you solve sentence problems
2 answers
979 views
What is the simple subject of the following sentence: A large number of swimmers competed in the race.
5 answers
1,354 views
A proton moves perpendicular to a uniform magnetic field B at 1.20 107 m/s and experiences an acceleration of 2.00 1013 m/s2 in
4 answers
1,173 views
The magnetic field of the Earth at a certain location is directed vertically downward and has a magnitude of 54.0 µT. A proton
3 answers
1,196 views
The production of a polypeptide involves the correct sequencing of amino acids, originally encoded by a segment of DNA. This
1 answer
551 views
"Quiglilies" are a rare variety of flower. They have one allele for orange petal colour O. They also have another allele for
1 answer
479 views
If a child and mother or child and father or just a teen was being abused what kind of resources would they look for?
What are
2 answers
543 views
PLEASE someone check these for me, Thanks..
Delta Inc. offers to sell Omega Corp. a packaging machine. Omega responds “We’ll
3 answers
3,055 views
Find an equation for the line that passes through the point (2, -5) and is parallel to the x-axis and is parallel to the y-axis
6 answers
5,756 views
Find the length (in cm) of an arc of a circle with radius 12 cm if the arc subtends a central angle of 30°.
5 answers
2,271 views
An online camera retailer currently offers a 40% discount on cameras.
Write a function relating a camera's purchases price, y, to
2 answers
563 views
Here is the problem:
Christopher orders a three topping pizza for $15.25, and a 5 topping pizza for $17.75. Write and solve a
3 answers
985 views
What would the solution to this system of equations be?
y = x - 50 y = 0.6x I got (138.8, 83.3), but that doesn't seem right at
1 answer
360 views
Which of the following is the largest source of funds for the federal government? I am thinking either
(B) OR (D) a. property
3 answers
665 views
If Jackson drops a ball from a building at the height of 80 meters. What is the height of the ball to the nearest tenth of a
1 answer
471 views
What is the quadratic function of
f(x)=4(x-1)squared +3 in standard form?
1 answer
407 views
Where is the vertex of the graph of
y = -x squared + 4x + 5
2 answers
778 views
What is the solution set of
4x squared -3 = 11
1 answer
285 views
A parabola has a vertex (4,2) and
contains the point (-2,26). what is the equation of the parabola?
1 answer
415 views
Which values best approximate the solutions of x squared -4x -3.5 = 0.
1 answer
400 views
Hiya. I have 7 expressions that I have been asked to simplify. I worked all of them out, and if you could, I'd like you to check
7 answers
709 views
Can you please help me factor these expressions?
Completely factor the following expressions. Please show work. 4x^2 - 8x - 12 +
4 answers
1,157 views
Use factoring and the zero-product property to solve the following problems:
z(z - 1)(z + 3) = 0 x^2 - x - 10 = 2 4a^ - 11a + 6 =
3 answers
1,072 views
I was asked to use factoring and the zero-product property to solve the following problems. Can you please check my answers?
3 answers
1,119 views
Eye color is determined by genetic combination. Let R represent the gene for brown eyes and l represent the gene for blue eyes.
2 answers
585 views
Joe spent 25% of his money on food. He spent 25% of the remainder on drink. He had $9 left. How much money did Joe have to
3 answers
551 views
OPEC was formed in 1960 in order to
3 answers
347 views
A random sample of 150 towns in a western state had a mean annual precipitation of 2.86 inches. Assume that the population
3 answers
1,065 views
Animal researchers refer to the process of filtering out sights, scents, and sounds that have little impact on survival as
A.
2 answers
633 views
The Missouri Compromise settled one dispute, but contained a provision that began another battle
1 answer
406 views
3.) The issue of the Mexican War divided the North and South
2 answers
361 views
Area = 15x^3 + 25x^2 what is the length and width of the rectangle?
2 answers
1,183 views
Reiny
I do not understand where you got the numbers from in the sigma question on Sunday . Where did you get the number 27 from
1 answer
468 views
Mr Brown salary is $32,000 and increases $300 each year. Write a sequence showing the salary for the first 5 years. When will he
3 answers
1,504 views
Lizette drops a ball from a height
of 256 feet. The peak height after each bounce is 75% the previous height. How much vertical
2 answers
554 views
Area = 15x^3 + 25x^2 what is the length and width of the rectangle?
2 answers
481 views
if someone offers to pay you 1 penny on the first day, 2 pennies on the second day, 4 pennies on the third day, 8 pennies on the
2 answers
717 views
Did JFK avert the Cuban MIssile crisis?
1 answer
481 views
Two more students like math than science
Half the number of students who like science like history. The number of student who
2 answers
567 views
The Mills Lunch Shop prepares fresh take-out entrees each day. On Tuesday, 40 baked chicken dinners were prepared at a cost of
1 answer
471 views
2x+3 divided by x=x+5divided by 2
2(2x+3)=x(x+5) 4x +6=x^+5 x^+5x-44x-6 x^+x-6 (x-1)(x+6) x-1=0 x=1 x+6=0 x=-6
1 answer
304 views
k+5=-6divided byk
k^+5k=-6 k^+5k-6 (k-6)(k+1) k-6=0 k=6 k+1=0 K=-1
1 answer
310 views
1/3 +5/s-4=2
s-4/3(s-4) +5(3)/3(s-4)=2/3(s-4) s-4+15=2 s-4+15-2=0 s-4+13=0 s=9
1 answer
290 views
20/x^+4x=3/x+4+1/x
2(2x+3)/2x=x(x+5)/2x 4x+6 =x^+5x x^+5x-4x-6 x^+x-6 (x+1)(x-6)
1 answer
257 views
n/4=n+1/3n
n(3n)=4(n+1) 3n^=4n+4 3n^-4n-4=0 3(n^-4n-4) (n-2)(n-4)
1 answer
272 views
1/3 + 5/s-4=2
s-4+15=2 s-4=2-15 s=(2-15)+4 s= -13+4 a=9
1 answer
241 views
there is a radicand equation of
1/2n+3=3 There is an index of 4 1/2n +3=3^4 1/2n+3=81 1/2n=78 n=36
1 answer
304 views
(-5)x radicand equation 1/3x+4=-10
there is an index of 3 (-5)(1/3x+4) = 10^3 -5/3x-20=1,000 -5/3x=980 -5x=360 -x=72
1 answer
344 views
radicand equation of 1/2n+3=3
There is an index of 4 1/2n+3=3x3x3x3 1/2n +3=81 1/2n=81-3 1/2n=78 n=39
1 answer
375 views
I have a radicand equation 3-s=3
There is an index of 3 3-s=3times3tomes 3 3-s=27 s=9
1 answer
337 views
radicand equation d-1/3=4
d-1/3=4^ d-1/3=16 d=16-1=15 3d=15 d-5
1 answer
296 views
radicand equation 3y+1/9=2/3
3y +1/9=2/3^ 3y +1/9=2/3 x2/3 3y+1/9 =4/9 3y=4/9-1/9 3y=3/9 y=3/9divided by3 y=1/3 divided by 3 y=1
1 answer
375 views
x+4/8=x-2/6
6(x+4)=8(x-2) 6x+24=8x-16 8x-16=6x+24 8x-6x=24+16 2x=40 x=20
1 answer
266 views
Write the general form of the equation
f(x)=4(x-1)^-8
1 answer
347 views
4i(2+i) + 2i(4i-1)
8i +41^ +8i^-2i 12i^+6i
1 answer
344 views
write the general form of
f(x)=4(x-1)^-8 (x-1) (x-1)= 4(x^-2x+1)-8 4x^-2x-8
3 answers
384 views
simplify
-2a^+6ab^-12a^b/-24ab the b -12a^b the b is to the third power 2a^b/24ab + 6ab^/24ab -12a^b to the third/24ab 12a+4ab
5 answers
620 views
solve for w: the square root of 2-w=w
2-w=w^ w^+w-2 (w+2) (w-10) w+2=0 w-1=0 w=-2 w=1
3 answers
385 views
simplify
2a^2 + 6ab^2-12a^2b^3 divided by 24ab -2a^2/-24ab + 6ab^2/24ab--12a^2b^3/24ab= -12ab^2 +12a +4b
2 answers
708 views
Myoglobin, a protein that stores oxygen, has a mass of 2.98 x 10-14? what?
5 answers
5,807 views
What accounts for the rather late emergence of African countries as independent nation-states? Is there something peculiar about
2 answers
681 views
was the US successful in rebuilding Japan
1 answer
348 views
To make an enclosure for chickens, a rectangular area will be fenced next to a house. Only 3 sides will need to be fenced. There
5 answers
6,289 views
Condo costs $150,000 buyer gets 15 year mortgage @ 4% . A 15% down payment is required , 1 point is required .
1 answer
404 views
Three uniform spheres are located at the corners of an equilateral triangle. Each side of the triangle has a length of 2.40 m.
2 answers
632 views
what is the molar concentration of h2so4 solution is 2.0ml of which is completely neutralized by 45.0ml of 0.115 mol/L NaOH
7 answers
544 views
What is molarity of an HCl sloution if 45.0mL of 0.250 mol/L KOH are needed to neutalize 12.3mL of HCl?
2 answers
519 views
If triangle ZXY is an equilateral triangle and the measure of W equals 34 degrees, what is the measure of the triangle WXZ?
Work:
2 answers
791 views
Scenario:
Castle’s Family Restaurant has eight restaurants in the northern California area with approximately 300–340
2 answers
930 views
Is the phrase "27 year old male" hyphenated?
4 answers
351 views
If you need to find the percent of a number, explain how you can predict whether the part will be less than, greater than, or
10 answers
1,618 views
Applying the interest allowance method, compute Julie's and Jennifer's share of net income if Julie invested $40,000.and
2 answers
980 views
A baseball pitcher delivers a fastball that crosses the plate with an angle of 7.89 degrees relative to the horizontal and a
1 answer
859 views
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