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brian
Questions (160)
given that sin x =2/3 and x is an acute angle find tan^2(90-x)
1 answer
28 views
m∠5=112° and m∠8=(2x+8)° . What equation will solve for x ? (2 points) x°+ °= °
1 answer
21 views
Setting a physical activity goal and working toward it can improve . (1 point) Responses physical health only physical health
1 answer
28 views
Is it possible to solve a quadratic equation that is not factorable over the set of integers? Explain.
1 answer
206 views
How were the Revolutionary efforts of Thomas Paine and Samuel Adams most alike?
Both wrote in support of the Revolutionary cause.
0 answers
181 views
4( x + 5) + 3
1 answer
167 views
y decreased by 23 is 52.9 write an equation and solve.
6 answers
1,173 views
-18 + 32 - 45
1 answer
154 views
12-6. Neglect heat gained from or lost to the in this 40.0 g of H,O(s) at 0°Care added to a quantity of H2O() that has a
3 answers
383 views
The perimeter of a rectangular painting is to be 98 inches. The length is to be 4 inches
more than twice the height. Find the
1 answer
343 views
Write an equation that expresses the following relationship. P varies directly with the cube of D and inversely with U. In your
1 answer
1,776 views
When do the laws of supply and demand have less effect on prices?
0 answers
526 views
why do dry sodium chloride, the solutions of sodium nitrate and solution chloride all impart the same color to the flame?
2 answers
1,918 views
What is the best way to characterize the health care that the poor receive?
inferior superior because of government insurance the
2 answers
998 views
Which one of the following groups has the highest incidence of diabetes in the U. S.?
Hispanic Americans Native Americans Asian
1 answer
964 views
what are risks associated with human-caused extinction?
2 answers
532 views
How are “natural hazard” (hazardous event) and “disaster” defined? What is the connection between them that determines
3 answers
640 views
(7z^ m )(nz ^ 3 )=−14z
3 answers
540 views
define the concept risk behavior and explain why it is important for teenager to investigate and be knowledgeable about it
3 answers
757 views
which of the following is an example of an open equation? 1)5x+7=12// 2)12+(-8)=4// 3)25=5(5)//4)8+0=8
1 answer
1,076 views
translate into algebraic expression 24 more than twice Greg's age
6 answers
4,729 views
The difference between two numbers is 3. Eight times the larger number is 10 times the smaller number. Write a system of
1 answer
1,279 views
Determine graphically the x-value when y equals 3y=3 in the given equation.
y equals 5 minus x y=5-x
1 answer
480 views
Sam has twice as many books as Jim. If Sam gives 12 books to Jim, they will have the same number of books. How many books to
3 answers
1,988 views
how did the Virginia colony survive with the help of the English colonists?
1 answer
636 views
can someone explain how to solve just not answer:
IxI if x = 12 the I are a bar?
4 answers
571 views
A bullet of 29g is shot from a gun of mass 20kg with a muzzle velocity of 200ms if the bullet is 30cm long.determine.
3 answers
1,416 views
4. A gun’s bullet was launched horizontally with a speed 600m/s. It fell to the ground 300m away from the gun.
a. How long was
1 answer
554 views
calculate the work done required to push a car for 420 meters up an melon the force required to push the car is equal to 615n
1 answer
625 views
A sample of nitrogen has a volume of 50.0L at a pressure of 760mmHg. What is the volume of the gas at each of the following
1 answer
728 views
Taylor's home street address number has five digits. Two digits have values of 60,000 and 300.the last digit is 9.the value of
5 answers
778 views
Susie loves Starbucks coffe today,while waiting to place her order for her salted caramel macchiato , she noticed the prices for
1 answer
433 views
if i ran 1&5/8 mile and than later ran 9/10 of a mile what is the amount
1 answer
392 views
math: 38 learners at a high school,24play hockey,30play netball and 4play neither hockey nor netball.use venn diagram
1 answer
548 views
use the root test to to determine the convergence or divergence of the series 100n/e^n
2 answers
897 views
15. Identify the sentence in which the underlined pronoun is used incorrectly.
There are only six days left in the school year.
4 answers
3,074 views
Given only an 11 liter jug and an 8 liter jug, each with no markings, find the method of using the two jugs to measure out
0 answers
776 views
how do you find the speed of the plane 130 miles per hour, cross wind 20 miles hour
1 answer
414 views
In the figure, a 4.3 kg block is accelerated from rest by a compressed spring of spring constant 660 N/m. The block leaves the
2 answers
1,327 views
At what concentration of silver electrolyte the potential of the silver elevtrode will be greater than 0.1V of the silver
0 answers
458 views
A railroad flatcar is loaded with crates having a coefficient of static friction of 0.394 with the floor. If the train is moving
1 answer
718 views
An 80 kg skateboarder going 10 m / s is launched nearly vertically off a ramp as shown. Approximately how high does he go?
1 answer
798 views
what three jobs besides author did david keys have.
2 answers
460 views
Find an equation that models a hyperbolic lens with a=12 inches and foci that are 30 inches apart. assume that the center of the
10 answers
6,130 views
The first angle of a triangle is 23° more than the 2nd angle. The 3rd angle of a triangle is 6 times the 2nd angle. Use X to
1 answer
447 views
Input output table like this 0 in no output 2/3 in 17/6 out 11/4 in ? Out 3 in 13/3 out - in 13/2 out ?
0 answers
453 views
Verify the given linear approximation at
a = 0. Then determine the values of x for which the linear approximation is accurate to
1 answer
1,008 views
According to the majoritarian model of democracy, what role should public opinion play?
1 answer
432 views
Use the formula t = (0.25) s1/2 to find the time t in seconds it will take a stone to drop a distance s of 200 feet. Round your
1 answer
1,934 views
A rocket is used to place a satellite in orbit about a planet. The velocity of the satellite is
534 m/s and the radius of orbit
1 answer
937 views
b. Now suppose that the gross national debt initially is equal to $2.5 trillion and the federal government then runs a deficit
1 answer
876 views
how much gas do you use to travel 172 miles at 4.00 a gallon.
2 answers
366 views
how much gas do you use to travel 172 miles at 4.00 a gallon.
1 answer
344 views
Betty weighs 427 N and she is sitting on
a playground swing seat that hangs 0.22 m above the ground. Tom pulls the swing back and
1 answer
2,811 views
write the slope-intercept form of the line that passes through (-4-3) and in parrallel to the line t=-1/3x +3
1 answer
468 views
5. A bomber is flying at a height of 9 km at 800 km/h. How far in front of the target should he
drop his bombs? show formulas*
2 answers
4,839 views
Suppose a persona quits a job paying $40,000 per year and starts a business with $100,000 withdrawn from a money-market account
0 answers
670 views
Cesium-137 has a half life of 30.0 years. If initially there are 8.0 kg of cesium-137 present in a sample, how many kg will
1 answer
1,023 views
A trangular region of a community college parking lot was measured. The measure of thefirst angle of this triangle is double the
0 answers
599 views
a motorcycle traveling at 60mph hits a stopped car on the driver side rear door. how far will the driver be tossed?
0 answers
402 views
a motorcycle traveling at 60mph hits a stopped car how far will the driver of the motorcycle be launch in feet
1 answer
458 views
Cost of Tuition In 2000, the average cost of tuition and fees at private four-year colleges was $16,200, and in 2005 it was
0 answers
562 views
find the point (or points) where the ellipse 9x^2+4y^2=36 has maximum curvature. don't even know where to start with this one.
4 answers
1,172 views
if (g(x)=x,f(2)=7,and f'(2)=6. what is g'(&)?
0 answers
336 views
a person weighs 815 N on the earth, what is the persons weight on the moon?
1 answer
2,282 views
translate to an equation F $ 0.30 folders and N $1.50 totals $12
can you determine 3 different combination of folders and
1 answer
486 views
at 3:30pm kendra was 475 miles from home. At 7:00pm she was 258 miles from home Find rate of change in kendra's distance from
1 answer
545 views
A student took a 25 question true and false test answering the question randomly without reading. If a score of 18 is correct is
2 answers
1,039 views
a horizontal force of 290N is applied to a stationary wooden box in one direction, and a 800N horizontal force is applied in the
1 answer
2,336 views
wh from least to greatestat is 2.1,-6/10,-9/4,-0.75,5/3
1 answer
349 views
Solve the system. y=x+1
y=-2x+7 x= y=
1 answer
424 views
An inlet pipe on a swimming pool can be used to fill the pool in 28 hours. The drain pipe can be used to empty the pool in 42
0 answers
1,324 views
describe the correct procedure for preparing 250 mL of .10M Ba(OH)2 from solid crystals of BA(OH)2 x 10 H2O. Assume you have all
1 answer
451 views
Terrorism plots against the United States have caused the government to create the Department of Homeland Security with the hope
2 answers
635 views
can someone please explain how to indicate where a label appears in a product? for example:
where the label appears in
0 answers
448 views
can someone please explain how to indicate where a label appears in a product? for example:
where the label appears in
0 answers
452 views
find the integral of (1+3t^5)^20*t^4dt
1 answer
328 views
X2-21x+84=0 that's xsquared (x- ? )(x- ? )
1 answer
566 views
Does a gallon hold more or less than 5 quarts?
1 answer
393 views
Enolase catalyzes the conversion of 2-phosphoglycerate (2-PG) to phosphoenolpyruvate (PEP). The deltaG’o for this reaction is
0 answers
455 views
Why are both hexokinase and phosphofructokinase-1 strongly inhibited by an ATP analog in which the oxygen atom joining the beta-
0 answers
445 views
Enolase catalyzes the conversion of 2-phosphoglycerate (2-PG) to phosphoenolpyruvate (PEP). The deltaG’o for this reaction is
0 answers
480 views
4) phosphofructokinase-1 strongly inhibited by an ATP analog in which the oxygen atom joining the ƒÒ- and ƒ×-phosphorus
1 answer
457 views
If glucose is labeled with 14C in position C-1, where does this label end-up if the glucose goes through the oxidative phase of
0 answers
1,249 views
what is the mass of a single oxygen autom
2 answers
452 views
A Gallup Poll asked, "In general, how often do you experience stress in your daily life - never, rarely, sometimes, or
0 answers
1,211 views
f(x)=2x²-Bx+4 and f(3)=13, what is the value of B?
1 answer
612 views
Complete the table below:
Answer the following for a body centered unit cell. (Hint: Helpful information can be found by going to
2 answers
684 views
Tarzan tries to cross a river by swinging from one bank to the other on a vine that is 9.0 m long. His speed at the bottom of
0 answers
519 views
Tarzan tries to cross a river by swinging from one bank to the other on a vine that is 9.0 m long. His speed at the bottom of
1 answer
592 views
im in the 5th grade and i need help is on metric measures and conversoins
1 answer
969 views
Explain the difference between a Doctor of Dental Surgery and Doctor of Medical Dentistry.
Explain the difference between an
2 answers
656 views
A student presses a book between his hands, as the drawing indicates. The forces that he exerts on the front and back covers of
1 answer
1,058 views
A 49-kg bungee jumper has fallen far enough that her bungee cord is beginning to stretch and resist her downward motion. Find
0 answers
550 views
A 1790-kg car is traveling with a speed of 15.6 m/s. What is the magnitude of the horizontal net force that is required to bring
1 answer
569 views
Please help me do these problems. I don't understand how to do weighted averages.
Mrs. Gleason invested a portion of 32000
3 answers
665 views
A 0.145 kg baseball pitched at 38.0 m/s is hit on a horizontal line drive straight back toward the pitcher at 55.0 m/s. If the
2 answers
1,509 views
A 2.99 kg ball is dropped from the roof of a building 161.9 m high. While the ball is falling to Earth, a horizontal wind exerts
0 answers
557 views
10 3/5 x 20/25
1 answer
332 views
is the force exerted by the wall on the person’s hand passive or active?
1 answer
860 views
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