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Sandra
Questions and answers by
Sandra
, page 6
Questions (668)
What formula should be used to derive the equation of a parabola given its focus and directrix?
• The distance formula ?? •
2 answers
556 views
The length of a rectangle is 4cm more than its width. If the area of the rectangle is 117cm^2, what is the length?
So : 117cm^2=
3 answers
785 views
Yesterday you borrowed $30 from your brother. Every day that you don't pay it back, you owe $2.00 more. So today, day 1, you owe
6 answers
1,572 views
The association between the presence of thimerosal in vaccines and autism is
2 answers
553 views
According to the Articles of Confederation, this power was granted to Congress.
to regulate trade to enforce laws to amend the
2 answers
871 views
Which of the following is the most effective way to decrease the incidence of foodborne illness?
2 answers
505 views
Light is absorbed and emitted in the form of ________, which are “packets” of electromagnetic radiation that carry a
4 answers
965 views
________ collided and merged, forming planets.
Protosuns Protoplanets Extrasolar planets Planetesimals
4 answers
840 views
Which process explains why the terrestrial planets do not have hydrogen and helium in their atmospheres?
thermal escape (??)
5 answers
712 views
Find the physical area between the curves y=sin(2x) and y=cos(x) from x=pi/2 to x=3pi/2
1 answer
346 views
Solve the system by substitution.
2x + y = -11 3x - 4y = 11 (3, 5) (–5, –3) (–3, –5) (5, 3) How?
4 answers
1,573 views
I am not getting any of the posted answers:
Solve the system using elimination. 2x + 6y = -12 and 5x – 5y =10 (2, 1) (0, –2)
4 answers
1,290 views
Why is the greenhouse effect on Earth not as drastic as on Venus?
There is no carbon dioxide in Earth’s atmosphere. The oceans
4 answers
1,035 views
Why is the greenhouse effect on Earth not as drastic as on Venus?
-There is no carbon dioxide in Earth’s atmosphere. -The
4 answers
1,020 views
Jack is selling wristbands and headbands to earn money for camp. He earns $2 for each wristband and $3 for each headband. He
13 answers
3,205 views
Simplify the number using the imaginary unit i. (sqrt)of -28
•2(sqrt)-7 •-2 (sqrt)-7 •i (sqrt)28 •2i (sqrt)7
4 answers
1,172 views
If the apartment is hot and the air conditioner is worker, then the temperature is 90%
1 answer
411 views
Simplify the expression. -6 + i / -5 + i
1 answer
304 views
What are the zeroes of y = x2 + 2x – 8?
–4, 2 4, –2 –4, –2 4, 2
2 answers
491 views
Use synthetic division to find P(3) for P(x) = x4 – 6x3 – 4x2 – 6x – 2
3 –137 299 –47
3 answers
797 views
The angles of elevation of the highest point of a building from two points S and T are 60 degree and 30 degree respectively,T is
5 answers
1,893 views
I really need help asap with my subjective letter for my NJHS Application. Please answer fast- it is due tomorrow!!
--- To the
13 answers
5,909 views
Which of the following statement is true about modes of transmission for infectious agents?
2 answers
933 views
Solve the system by substitution
2x + y = -11, 3x – 4y = 11 (3, 5) (–5, –3) (–3, –5) (5, 3)
4 answers
3,182 views
Which of the following binomials is a factor of x^3+4x^2+x-6
x-2 x+2 x-4 x+4
4 answers
1,546 views
Which of the following statements is true about modes of transmission for infectious agents
2 answers
1,088 views
Eighty-nine percent of illnesses among children in child care settings are attributed to which of the following
5 answers
2,113 views
Which of the following sentences is written in the passive voice?
-Charlie ran down the street. -The delicious bread is baked by
4 answers
1,271 views
How is the expression log 32 - log 8 written as a single logarithm?
log 4 log 8 log 24 log 40
5 answers
5,538 views
All of the following help teachers to create an environment that enhances and supports the natural rhythms of eating EXCEPT:
5 answers
997 views
Let f(x) = -5x -4 and g(x) = 6x -7. Find f (x) + g(x)
–11x + 3 x + 3 –11x – 11 x – 11
4 answers
1,903 views
How do I express a number like 27 ^2/3 as a rational number in its simplest form?
31 25.6 123 16 I keep getting 83/3 and that =
1 answer
426 views
Designer Dolls, Inc. found that the number N of dolls sold varies directly with their advertising budget A and inversely with
7 answers
7,691 views
What is the equation of the function y = (3/x) translated 4 units to the right and 5 units down?
7 answers
7,109 views
Parabolas - you are my last resort:
Find a quadratic function in standard form for each set of points. (0, –4), (1, 0), (2, 2)
3 answers
409 views
Find the dimensions of the largest right circular cylinder that can be inscribed in a sphere of radius 6 inches.
4 answers
1,863 views
Find the area of the largest rectangle having one side on the x-axis and inscribed in a triangle formed by the lines y=x, y=0
4 answers
1,534 views
A light hangs 15 ft. directly above a straight walk on which a man 6 ft. tall is walking. How fast is the end of the man's
4 answers
6,688 views
for the next 4 years you will get the following cash flow. $420 $520 $750 $540. Assume that the interest is 5.5% how much money
1 answer
391 views
Find the area of the largest rectangle cut from the first quadrant by a line tangent to the curve y=e^(-x^2)
4 answers
1,088 views
7 boys share 5 chocolate bars equally how much do the get?
3 answers
1,483 views
A building is to be braced by means of a beam which must pass over a wall. If the wall is 3 3/8 feet high and stands 8 feet from
4 answers
2,930 views
A searchlight revolving once each minute is located at a distance of 1/4 mile from a straight beach. How fast is the light
4 answers
1,335 views
Find the number of moles in 2.00 L of gas at 35.0°C and under 7.41×107 N/m2 of pressure.
Select one: a. 0.051 moles b. 51 ×105
4 answers
1,674 views
6 character computer password is made up of 4 numbers followed by 2 letters. How many different passwords are possible?
4 answers
2,126 views
Make a spinner with 3 colours. I chose green, red and blue. Colour it so that when the pointer is spun, the probability of
3 answers
739 views
Colour the spinner red and blue. Make it so that when the pointer is spun, the probability of landing on blue is 1 in 4.
What is
2 answers
570 views
If csc x = -2.5, what is the value of x?
1 answer
353 views
A remote controlled car.
My 11 year old grandson, Danny, got a remote controlled car for his birthday. His older brother, Jay,
4 answers
1,830 views
The aunt SUPPRESSED a gasp of admiration.
What is the principal part of SUPPRESSED? -present -present participle -past ** -past
3 answers
1,000 views
A piece of metal has a mass 85 cg and a volume of 450L. What is the density g/cm cubed? What would be the mass of 300 cm cubed
3 answers
638 views
The women's world record for the fastest half marathon is one hour six minutes and 25 seconds how much faster is this then the
1 answer
429 views
Two examples of how accountability is ensured in U.S. Bureaucratic Agencies.
What does it mean by accountability
2 answers
529 views
Which answer describes the transformation of g(x)=log4(x−2)+4 from the parent function f(x)=log4x?
It is the graph of f(x)
3 answers
2,609 views
Solve the Identity
cot (x)/ (csc(x)-1)= (csc(x)+1)/cot (x)
1 answer
490 views
(1+tan(x))* (1+cot(-x))
1 answer
333 views
Simplify the follow)ing to the simplest form
(tan(x) +cot(x))/ (tan(x)*cot(x))
2 answers
518 views
if one sixth of a number is added to one eighth of the same number, the result is 35. find the number?
1 answer
455 views
As a result, although the swimming or boating may be great, you will have to get up at daybreak to beat the crowds.
If rewrote
7 answers
2,380 views
In the past, the United Stated Public Health Service and state and local health departments dominate the fields.
What correction
5 answers
1,748 views
With time and public support, they should be successful.
What correction should be made to this sentence? 1) change the spelling
4 answers
624 views
We also prepared for the test by studying the driver's booklet, memorizing rules, and to learn road signs.
What correction should
3 answers
1,718 views
With time and public support, they should be successful.
What correction should be made to this sentence? 1) change the spelling
5 answers
2,299 views
While conducting these difficult tests, the state driving inspectors often seemed stern and unyielding.
Which of the following is
4 answers
1,972 views
A chemist wants to mix two kinds of glycerins for the manufacture of a soap. The glycerin from supplier A cost $1 million per
3 answers
491 views
One-third a number (x)added to one-half the number equals twelve less than the number
4 answers
2,453 views
Dave takes out a 24-year mortgage of 290000 dollars for his new house. Dave gets an interest rate of 14.4 percent compounded
3 answers
1,610 views
To help raise funding for homeless’ Thanksgiving Dinner, Christina and her friends sell chocolate bars during lunch time. They
3 answers
489 views
Using algebraic expression no arithmetic symbols. Twice the quotient of a number divided by 5.
1 answer
454 views
Two out of every 7 7th grade students are in the chorus. Estimate the probability of randomly selecting 3 7th grade students and
2 answers
660 views
Design a simulation to determine the probability of having exactly 2 boys and a family of five children
1 answer
474 views
List 10 equipment use in the chemistry lab and their uses
1 answer
428 views
A solution contains 2.65g of anhydrous Na2O3 in 200cm³ of the solution. Calculate the concentration of the solution in g/dm³
4 answers
852 views
Are there instances when the scientific method is used without the possibility of conducting experiments?
3 answers
1,771 views
what is 0.000750 in scientific notation?
a.75 x 10^-4 b. 7.5 x 10^-3 c.7.5 x 10^-4 d. 7.5 x 10^-5 what is 27/6 written as a
7 answers
3,238 views
Solve by the using the quadratic formula:
2m^2 - 7m - 13 = 10 ( This would be step 2: 2m^2 - 7m - 3 = 0)
13 answers
890 views
why can families like Yasmin's easily move from place to place in Europe
7 answers
834 views
A rope is wound 50 times round a c ylinder of radius 25cm .how long is the rope(use pie as 22/7
2 answers
701 views
what is the gerund in this sentence "I enjoy wrapping presents"
A.enjoy B.wrapping*** C.birthday D.presents
4 answers
703 views
A batter hits a baseball so that it leaves the bat at a speed V0 = 60.0 m/s at an angle of 42 degrees as measured from the
2 answers
550 views
mgh=1/2mv^2 check 1/2mv^2 whether this eqation crrect or not
1 answer
403 views
Prove that:
(tan^2x +1)cos2x=2-sec^2x
3 answers
1,015 views
The inverse of 3y+5x=18
4 answers
1,225 views
A rubber band is stretched to twice it's original length .calculate the strain on the rubber band
1 answer
757 views
Select the sample most representative of the population of interest: The father of a junior high school student wants to
2 answers
816 views
An elephant of mass 500kg stands with all four feet on the ground .each foot has an area of 0.08m.calculate the pressure exerted
4 answers
1,488 views
46537,24323 an 75899 to the nearest hundreds
4 answers
1,135 views
Estimate the De Broglie wavelength of:
a) The Moon orbiting the Earth; b) A nitrogen molecule at room temperature; c) A
1 answer
354 views
Match the expression with its product 6 x 3/8
3 answers
254 views
What factors hindered the spread of christianity in east Africa
1 answer
381 views
Factories x raise to power 2 minus 4x minus 21
1 answer
268 views
Consider a data set that has a mean of 39 and a standard deviation of 9.2. According to Chebyshevs Theorem give an interval that
1 answer
216 views
Solve log8-log4
4 answers
464 views
A gas X diffused through a porous partition at the rate of 3cm^3 per seconds. Under the same condition, hydrogen diffused at the
4 answers
577 views
Calculate the perimeter of the segment of a circle of radius 8cm if the chord subtends an angle 98 degree at the centre (take
1 answer
228 views
A rectangular block of length 3m and breadth 5m is suspended into a liquid of density 45kg/m. Calculate the mass of the block.
1 answer
287 views
Find the equation of the straight line which pass through the following pairs of point (3,0)and(2,1)
1 answer
318 views
Nora rode her bike 2/2 of block and Brady rode his bike 4/4 same compare and the distance
4 answers
377 views
Calculate volume of a prism whose length is 25cm and whose cross section is equilateral triangles of 3cm
1 answer
254 views
Which point of view authors use when writing informational text
1 answer
120 views
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