Questions and answers by

Kathy

Questions (402)

Eight years ago, Heather was twice as old as her brother David. Today, she is 12 years older than him. Howold is Heather now?
1. 1 answer
2. 603 views
hey ms. sue is there are private email i can contact you regarding help that i need without using I alot thankls.
1. 1 answer
2. 535 views
What volume of 0.5M NaOH must be added to 50mL of .0.1M benzoic acid to make 100.0 mL of 0.05 M benzoate buffer that is pH 4.5?
1. 1 answer
2. 651 views
A rowboat is heading across a river at 2.4 m/s east. The current of the river is 1.7 m/s south. What is the rowboat's resultant
1. 1 answer
2. 597 views
The vertices are WXYZ. WZ is parallel to XY. XW is not parallel to YZ. Angles X and W are right angles. Identify the
1. 3 answers
2. 950 views
order of operation (100-7 x 2+3) /10
1. 1 answer
2. 335 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. 0 answers
2. 957 views
Applying the interest allowance method, compute Julie's and Jennifer's share of net income if Julie invested $40,000.and
1. 1 answer
2. 1,057 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
1. 9 answers
2. 1,716 views
Is the phrase "27 year old male" hyphenated?
1. 3 answers
2. 432 views
Scenario:Castle’s Family Restaurant has eight restaurants in the northern California area with approximately 300–340
1. 1 answer
2. 1,056 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:
1. 1 answer
2. 896 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?
1. 1 answer
2. 611 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
1. 6 answers
2. 678 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.
1. 1 answer
2. 742 views
Condo costs $150,000 buyer gets 15 year mortgage @ 4% . A 15% down payment is required , 1 point is required .
1. 1 answer
2. 478 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
1. 3 answers
2. 6,476 views
was the US successful in rebuilding Japan
1. 1 answer
2. 394 views
What accounts for the rather late emergence of African countries as independent nation-states? Is there something peculiar about
1. 1 answer
2. 789 views
Myoglobin, a protein that stores oxygen, has a mass of 2.98 x 10-14? what?
1. 2 answers
2. 5,990 views
simplify2a^2 + 6ab^2-12a^2b^3 divided by 24ab -2a^2/-24ab + 6ab^2/24ab--12a^2b^3/24ab= -12ab^2 +12a +4b
1. 1 answer
2. 817 views
solve for w: the square root of 2-w=w2-w=w^ w^+w-2 (w+2) (w-10) w+2=0 w-1=0 w=-2 w=1
1. 2 answers
2. 446 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
1. 4 answers
2. 739 views
write the general form off(x)=4(x-1)^-8 (x-1) (x-1)= 4(x^-2x+1)-8 4x^-2x-8
1. 2 answers
2. 460 views
4i(2+i) + 2i(4i-1)8i +41^ +8i^-2i 12i^+6i
1. 1 answer
2. 394 views
Write the general form of the equationf(x)=4(x-1)^-8
1. 1 answer
2. 421 views
x+4/8=x-2/66(x+4)=8(x-2) 6x+24=8x-16 8x-16=6x+24 8x-6x=24+16 2x=40 x=20
1. 1 answer
2. 304 views
radicand equation 3y+1/9=2/33y +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. 1 answer
2. 442 views
radicand equation d-1/3=4d-1/3=4^ d-1/3=16 d=16-1=15 3d=15 d-5
1. 1 answer
2. 362 views
I have a radicand equation 3-s=3There is an index of 3 3-s=3times3tomes 3 3-s=27 s=9
1. 1 answer
2. 401 views
radicand equation of 1/2n+3=3There is an index of 4 1/2n+3=3x3x3x3 1/2n +3=81 1/2n=81-3 1/2n=78 n=39
1. 1 answer
2. 452 views
(-5)x radicand equation 1/3x+4=-10there is an index of 3 (-5)(1/3x+4) = 10^3 -5/3x-20=1,000 -5/3x=980 -5x=360 -x=72
1. 1 answer
2. 411 views
there is a radicand equation of1/2n+3=3 There is an index of 4 1/2n +3=3^4 1/2n+3=81 1/2n=78 n=36
1. 1 answer
2. 381 views
1/3 + 5/s-4=2s-4+15=2 s-4=2-15 s=(2-15)+4 s= -13+4 a=9
1. 1 answer
2. 289 views
n/4=n+1/3nn(3n)=4(n+1) 3n^=4n+4 3n^-4n-4=0 3(n^-4n-4) (n-2)(n-4)
1. 1 answer
2. 323 views
20/x^+4x=3/x+4+1/x2(2x+3)/2x=x(x+5)/2x 4x+6 =x^+5x x^+5x-4x-6 x^+x-6 (x+1)(x-6)
1. 1 answer
2. 312 views
1/3 +5/s-4=2s-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. 1 answer
2. 341 views
k+5=-6divided bykk^+5k=-6 k^+5k-6 (k-6)(k+1) k-6=0 k=6 k+1=0 K=-1
1. 1 answer
2. 373 views
2x+3 divided by x=x+5divided by 22(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. 1 answer
2. 359 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. 1 answer
2. 583 views
Two more students like math than scienceHalf the number of students who like science like history. The number of student who
1. 1 answer
2. 651 views
Did JFK avert the Cuban MIssile crisis?
1. 1 answer
2. 550 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
1. 1 answer
2. 822 views
Area = 15x^3 + 25x^2 what is the length and width of the rectangle?
1. 1 answer
2. 543 views
Lizette drops a ball from a heightof 256 feet. The peak height after each bounce is 75% the previous height. How much vertical
1. 1 answer
2. 657 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
1. 1 answer
2. 1,600 views
ReinyI do not understand where you got the numbers from in the sigma question on Sunday . Where did you get the number 27 from
1. 1 answer
2. 543 views
Area = 15x^3 + 25x^2 what is the length and width of the rectangle?
1. 1 answer
2. 1,279 views
3.) The issue of the Mexican War divided the North and South
1. 2 answers
2. 429 views
The Missouri Compromise settled one dispute, but contained a provision that began another battle
1. 1 answer
2. 462 views
Animal researchers refer to the process of filtering out sights, scents, and sounds that have little impact on survival asA.
1. 1 answer
2. 723 views
A random sample of 150 towns in a western state had a mean annual precipitation of 2.86 inches. Assume that the population
1. 1 answer
2. 1,149 views
OPEC was formed in 1960 in order to
1. 2 answers
2. 415 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
1. 1 answer
2. 611 views
Eye color is determined by genetic combination. Let R represent the gene for brown eyes and l represent the gene for blue eyes.
1. 0 answers
2. 690 views
I was asked to use factoring and the zero-product property to solve the following problems. Can you please check my answers?
1. 1 answer
2. 1,240 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 =
1. 2 answers
2. 1,185 views
Can you please help me factor these expressions?Completely factor the following expressions. Please show work. 4x^2 - 8x - 12 +
1. 3 answers
2. 1,300 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
1. 6 answers
2. 826 views
Which values best approximate the solutions of x squared -4x -3.5 = 0.
1. 1 answer
2. 456 views
A parabola has a vertex (4,2) andcontains the point (-2,26). what is the equation of the parabola?
1. 1 answer
2. 463 views
What is the solution set of4x squared -3 = 11
1. 1 answer
2. 334 views
Where is the vertex of the graph ofy = -x squared + 4x + 5
1. 1 answer
2. 851 views
What is the quadratic function off(x)=4(x-1)squared +3 in standard form?
1. 1 answer
2. 465 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. 1 answer
2. 558 views
Which of the following is the largest source of funds for the federal government? I am thinking either(B) OR (D) a. property
1. 2 answers
2. 753 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. 1 answer
2. 408 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
1. 2 answers
2. 1,101 views
An online camera retailer currently offers a 40% discount on cameras.Write a function relating a camera's purchases price, y, to
1. 1 answer
2. 625 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°.
1. 4 answers
2. 2,418 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
1. 5 answers
2. 5,890 views
PLEASE someone check these for me, Thanks..Delta Inc. offers to sell Omega Corp. a packaging machine. Omega responds “We’ll
1. 1 answer
2. 3,171 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
1. 1 answer
2. 629 views
"Quiglilies" are a rare variety of flower. They have one allele for orange petal colour O. They also have another allele for
1. 0 answers
2. 566 views
The production of a polypeptide involves the correct sequencing of amino acids, originally encoded by a segment of DNA. This
1. 0 answers
2. 633 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
1. 1 answer
2. 1,325 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
1. 1 answer
2. 1,287 views
What is the simple subject of the following sentence: A large number of swimmers competed in the race.
1. 4 answers
2. 1,449 views
How do you solve sentence problems
1. 1 answer
2. 1,044 views
A senator asks his constituents to rank seven issues in order of importance. How many rankings are possible?
1. 1 answer
2. 423 views
if 2 meters of a wire weigh 24.8 grams, how much do 6 meters of wire weigh?
1. 1 answer
2. 580 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. 0 answers
2. 445 views
Please, I need help with this problemA cue stick applies an average force of 66 N to a stationary 0.17 kg cue ball for 0.0012 s.
1. 0 answers
2. 1,058 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. 3 answers
2. 757 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. 0 answers
2. 520 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. 1 answer
2. 541 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. 0 answers
2. 1,017 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. 0 answers
2. 1,028 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. 0 answers
2. 530 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. 1 answer
2. 598 views
A national study reports that 20% of college freshman have GPA above 3.5. We wish to determine if the corresponding proportion
1. 0 answers
2. 434 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. 1 answer
2. 516 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. 1 answer
2. 413 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. 0 answers
2. 489 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. 1 answer
2. 458 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
1. 3 answers
2. 1,325 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. 1 answer
2. 480 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
1. 2 answers
2. 500 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
1. 2 answers
2. 585 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. 1 answer
2. 512 views