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Kendall
Questions and answers by visitors named
Kendall
Questions (58)
Erica had 7/8 of a pizza left. Her friend ate 1/6 f the pizza that was left. What fraction of the whole pizza did her friend
3 answers
488 views
Calculate [OH-] and pH for the following strong base solution: 10.0 mL of 0.0105 M Ca(OH)2 diluted to 500.0 mL
5 answers
3,099 views
Which of the following describes fertilization? (1 point)
when an animal is attracted to a flower when an animal is attracted to
11 answers
3,109 views
hi i just need help with what the greatest common factor of 51 and 34 is
4+0
1 answer
300 views
Help! I am gettting a C in math and I am so cofussed! How do I study better but have fun while I do it?
I love math, I take it as
3 answers
668 views
9 - -9 =
4 answers
257 views
the area of a triangle is 1/2 bh
find the area of the given triangle: when b=50 inches h= 15 inches
4 answers
348 views
Find the indicated outputs for f(x)=5x^2-2x.
f(0)= f(-1)= f(2)=
3 answers
785 views
Find the indicated outputs for f(x)= 5x^2-2x
The 2 after the ^ is an exponent. f(0)=0 f(-1)= f(2)=
1 answer
403 views
How do I find a unit rate?
6 answers
183 views
What was the Geography and Climate in 1600-1700 Colonial America?
1 answer
228 views
How do you solve this equations?
(xy^-3)^-5 (3x^4)(4x^12) ab^-6 ______ c^0d^-4 x^3y^0(z^-4) Can you please show it step by step?
1 answer
372 views
Light travels approximately
5.87 X 10^12 miles in one year. This distance is called a light year. Suppose a star is 2 X 10^4
1 answer
619 views
I am having a hard time with this word problem:
A road crew has 3/4 ton of stone to divide evenly among 4 sidewalks. How much
5 answers
407 views
There is a box attached to a spring. The spring has a spring constant of 39 N/m. The ì between the box and the surface is 0.3.
2 answers
906 views
Please help.
Calculate the pH at the following points during the titration of 100.0 mL of 0.20 M acetic acid (Ka for acetic acid
0 answers
453 views
The heads of matches are made with P4S3. this material is made by heating a mixture of red phosphorus and sulfur:
8P4 + 3S8---->
1 answer
499 views
A deorbit burn has been performed. During this deorbit burn a pre-calculated Delta V (change in velocity) of 290 ft/s (or 88.4
2 answers
606 views
Aluminum reacts with hydrochloric acid to produce aluminum chloride and hydrogen gas. What mass of hydrochloric acid reacts when
3 answers
1,414 views
This is the error message I see, how do I fix this:
listarray:argument must be an array;found:b--anerror.2 debug this try:
1 answer
346 views
A sprinter explodes out of the starting block with an acceleration of + 2.29 m/s2, which she sustains for 1.13 s. Then, her
1 answer
513 views
The initial velocity and acceleration of four moving objects at a given instant in time are given in the following table.
2 answers
540 views
Two motorcycles are traveling due east with different velocities. However, 5.81 seconds later, they have the same velocity.
1 answer
412 views
A motorcycle has a constant acceleration of 4.33 m/s2. Both the velocity and acceleration of the motorcycle point in the same
2 answers
572 views
Over a time interval of 1.72 years, the velocity of a planet orbiting a distant star reverses direction, changing from +18.2
2 answers
568 views
A 21.3-g bullet is fired from a rifle. It takes 3.77 × 10-3 s for the bullet to travel the length of the barrel, and it exits
2 answers
505 views
Angles of elevation to an airplane are measured from the top and the base of a building that is 40 m tall. The angle from the
2 answers
778 views
Two lookout towers are situated on mountain tops A and B, 4 mi from each other. A helicopter firefighting team is located in a
2 answers
526 views
What do you get when you double 1/8?
1 answer
328 views
Use properties of logarithms to find the exact value of each expression. Do not use a calculator.
8^log 8^5
4 answers
453 views
When writing an equation in slope-intercept form, does be have to be a positive number or can it be negative? For example,
4 answers
641 views
16. Alison uses a total of 94.5 cups of dog food each week to feed her three dogs. Each dog eats the same amount. How much does
2 answers
643 views
Fiona invested $1000 at 8% compounded continuously. At the same time Maria invested $1100 at 8% compounded daily. How long will
3 answers
1,842 views
A manufacturer of lapel buttons test marketed a new item at a university. It was found that 1,000 items could be sold if they
1 answer
794 views
How many gallons of 45% butterfat cream must be mixed with 500 gallons of 3% butterfat milk to obtain a 5% butterfat milk?
3 answers
1,028 views
A chemist has two solutions of sulfuric acid. One is a 25% solution, and the other is a 50% solution. How many liters of each
2 answers
1,240 views
sound travels in theses from its source
1 answer
372 views
is gravimetric analysis or colourimetry more accurate when it comes to precipitation reactions where only around 6g and 100ml of
1 answer
441 views
What are some errors that can be made in colorimetry?
1 answer
409 views
Determine the mass of PbSO4 produced when 10mL of 0.2M CuSO4 reacts with 10mL of 0.2M Pb(NO3)2?
Balance the equation CuSO4 +
2 answers
1,241 views
Part A of this question asks for the sum of vector A = 3x+5y and vector B = 1x-3y. I did this and got the vector A + vector B =
3 answers
1,060 views
The roof of a two-story house makes an angle of 29° with the horizontal. A ball rolling down the roof rolls off the edge at a
2 answers
840 views
A squash ball typically rebounds from a surface with 25% of the speed with which it initially struck the surface. Suppose a
3 answers
1,058 views
Cathy wakes up at 7:00 am each morning. She spends 1/10 hour making her bed, 1/5 hour eating breakfast, and 1/2 hour getting
3 answers
1,005 views
If (a) varies directly as (b) and b= 20 when a= 4, find (b) when a=60
I don't understand this question at all
1 answer
450 views
I am three years younger than my brother, and i am 2 years older than my sister. My mom's age is one less than three times my
26 answers
9,951 views
Shannon can paint a room in 16 hours. Emily can paint the same room in 20 hours. How long does it take for both Shannon and
1 answer
429 views
Rational numbers are fractions and their opposites. All of these numbers are rational numbers. Show that they are rational by
2 answers
1,284 views
in ABC A=30
a=9 b=8 this triangle must be 1)right triangle 2 acute 3 obtuse 4 either acute or obtuse
6 answers
379 views
determine the greatest possible value for B if A= 30 degrees, a=5, and b=8
a)23.1 degrees b)53.1 degrees c)126.9 degrees d)96.9
3 answers
750 views
please check my answer
determine the number of possible solutions if A=62, a=4 and b=6 I got B a)none b)one c)two d)three
7 answers
411 views
which order pair is a solution of the system x+2y -2 and y<-3x+4
I got c a (0,0) b (2,-2) c (-2,2) d (5-4)
2 answers
663 views
which order pair is a solution of the system 2x-y<5 and + 2y>2
I got d a(1-1) b(4,1) c (2,0) d(3,2)
1 answer
318 views
Given Delta ABC With AB = AC. Use Deductive Reasoning To Complete The Following Sentence. If < B = 40 Degree, Then
a) < C = 100
4 answers
579 views
A man who weighs 900N stands in an elevator on a scale and it reads 1000N. What direction is the elevator accelerating and what
4 answers
1,481 views
A man who has a mass of 50 kg stands in an elevator that is accelerating up at 3 m/s^2. How much does this man weigh? What does
2 answers
457 views
what is the genetic code
1 answer
248 views
there are 51 students in a certain class. the number of females is 5 less than three times the number of males. find the number
4 answers
104 views