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All Questions
+0
237665 Questions
0
662
2
In a certain region all license plates are composed of three letters followed by three numbers, or three numbers followed by three letters.
In a certain region all license plates are composed of three letters followed by three numbers, or three numbers followed by three letters. Find how many license plates are possible.
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Guest
Oct 29, 2020
0
545
1
helpppp
Suppose g(x)=4x^2+8x+13. Does g have an inverse? If so, find g^{-1}(25). If not, enter "undef".
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Guest
Oct 29, 2020
0
631
1
In every numeration system (base b) there is a three-digit integer
In every numeration system (base b) there is a three-digit integer that is (b+1) times the sum of its digits. In base ten the number is 198. In base three the number is 121. Find the number in base eight that has this property
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Guest
Oct 29, 2020
0
824
3
help asap!!!!
A circle has a radius of 25. A circular sector, with an angle of 345.6 degrees at the center, is cut from the circle, and then rolled to form a cone. Find the volume of the cone.
(PS - the answer is not 1344 or 258pi, as I have already
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Guest
Oct 29, 2020
0
580
1
A fence encloses a square field whose sides measure 10m
A fence encloses a square field whose sides measure 10m. A horse is tethered on a rope that is attached to a corner post of the field so that the horse is outside the fence.If the rope holding the horse is 15m long, find the total grazing area of the horse
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Guest
Oct 29, 2020
Oct 28, 2020
0
523
1
function
Let
f(x) = 2x + 5
g(x) = sqrt(f(x)) - 3
h(x) = f(g(x))
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Guest
Oct 28, 2020
+1
532
1
The numbers from 1 to 11 are drawn at random
The numbers from 1 to 11 are drawn at random. Find the probability that the even numbers will all be drawn before the numbers 3, 5, and 7.
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Guest
Oct 28, 2020
0
666
1
Expand the product (x-2)^2(x+2)^2.
Expand the product $(x-2)^2(x+2)^2$. What is the product of the non zero coefficients of the resulting expression, including the constant term?
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Guest
Oct 28, 2020
0
570
1
HELPHELPHELPHELPHELPQUICK!
How many numbers less than 1000 have an odd number of factors? For example, 6 has 4 factors (1, 2, 3, 6) and 9 has 3 factors (1,3,9).
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Guest
Oct 28, 2020
0
617
1
CHICHI
8+\left(-25\right)+16-\left(-25\right)-168+(−25)+16−(−25)−168, plus, left parenthesis, minus, 25, right parenthesis, plus, 16, minus, left parenthesis, minus, 25, right parenthesis, minus, 16.V
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Guest
Oct 28, 2020
0
534
1
externally tangent
In triangle ABC, AB=5, AC=6, and BC=9. Circles are drawn with centers A, B, and C, so that any two circles are externally tangent. Find the sum of the areas of the circles.
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Guest
Oct 28, 2020
0
560
1
For a certain value of k
For a certain value of k, the system
x + y + 3z = 10,
-4x + 3y + 6z = 8,
kx + z = 3
has no solutions. What is this value of k?
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Guest
Oct 28, 2020
0
1102
2
The equation y = (x + A)/(Bx + C), where A, B and C are integers
The equation y = (x + A)/(Bx + C), where A, B and C are integers, is shown below. What is A + B + C?
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Guest
Oct 28, 2020
+1
851
1
+5
what is 9999999999*9999999999
what is 999999999999999999*999999999999999999
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dtr212121
Oct 28, 2020
+1
2054
1
+293
calculus
A cow is tethered by a 120-ft rope to the inside corner of an L-shaped building, as shown in the figure. Find the area that the cow can graze. (Let
a = 30 ft, b = 60 ft, c = 120 ft, d = 70 ft,
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Cdortch
Oct 28, 2020
+1
670
1
calculus
A central angle θ in a circle of radius 4 m is subtended by an arc of length 5 m. Find the measure of θ in degrees. (Round your answer to one decimal place.)
θ = °
Find the
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Guest
Oct 28, 2020
+1
749
1
+293
calculus
The wheels of a car have radius 10 in. and are rotating at 800 rpm. Find the speed of the car in mi/h.
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Cdortch
Oct 28, 2020
+1
1373
1
+293
calculus
Guatemala City, Guatemala, and St Louis, Missouri, lie approximately on the same meridian. Guatemala City has a latitude of 15° N, and St Louis has a latitude of 39° N. Find the distance between these two cities. (The radius of the earth is 3960 mi. Round
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Cdortch
Oct 28, 2020
0
575
1
Points F, E, D are on the sides AB, AC, and BC
Points F, E, D are on the sides AB, AC, and BC , respectively, of right triangle ABC such that AFDE is a square. If AB = 12 and AC = 18, then what is AF?
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Guest
Oct 28, 2020
0
585
2
Help asap! By tomorrow please!
Suppose [(1/a)+(1/b)] * (a-b) equals to 1. And a*b=5. What is a^2+b^2?
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Guest
Oct 28, 2020
+3
633
1
+166
help
What is the maximum number of consecutive positive integers that can be added together to create a sum less than 400?
(I am sure it is not 378)
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viola
Oct 28, 2020
0
461
1
How many two-digit positive integers are congruent to 1
How many two-digit positive integers are congruent to 1 (mod 8)?
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Guest
Oct 28, 2020
0
615
3
Help ASAP before tomorrow
The graph y=3x^2+5x+2 is shifted to the left by 5 units. The resulting graph has equation y=ax^2+bx+c. Find a+b+c
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Guest
Oct 28, 2020
0
455
1
Given that a is a multiple of 1428
Given that a is a multiple of 1428, find the greatest common divisor of a + 3 and 2a + 13.
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Guest
Oct 28, 2020
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