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All Questions
+0
229744 Questions
0
314
1
help coordinates
What is the value of k if point P(k, k sqrt(3)) is 4 units from the line 5x+8y=17?
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Guest
Jun 7, 2021
0
337
2
Math - struggling!
A sugar cone has a volume of 70.5cm3 and a diameter of 5.2cm. What is the height of the sugar cone?
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Guest
Jun 7, 2021
0
358
1
easy if you're smart
Your savings account has a balance of $5435.55.You opened the account 5 years ago. Interest on the account is compounded weekly at an annual interest rate of 4.5%. How much did you invest originally?
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Guest
Jun 7, 2021
0
667
2
Please answer question
At a mall's food court, Crystal has $\$7.50$ to buy a meal (one entree, one drink and one dessert). The table below lists Crystal's choices and their prices including sales tax. How many distinct possible meals can she afford to buy? \[\begin{array}{|c|c|c|}
read more ..
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Guest
Jun 7, 2021
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310
1
Stuck on this question!
Paige is throwing a birthday party and wants to make cone shaped party hats. She wants the radius of the hat to be 12cm and the height to be 28cm. How much paper does she need to make 4 hats? (Note: the bottom of the hats will not be covered.)
read more ..
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Guest
Jun 7, 2021
+1
402
2
+67
Please help
Find the value of B-A if the graph of Bx+Ay=3 passes through the point (-7,2), and is parallel to the graph of x + 3y = -5.
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Technoblade
Jun 7, 2021
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427
1
Math - would appreciate the help
A warehouse is installing a pulley system from the corner of the floor, X, to the opposite corner of the ceiling, Y. This will require a rope that runs directly from X to Y and directly back to X in a straight line.
The warehouse is 100m by 50m
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Guest
Jun 7, 2021
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343
1
Complex Numbers
Suppose z is a complex number such that z^3 = 100 + 25i. Find |z|.
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Guest
Jun 7, 2021
0
502
1
Help me I am stuck on this question! :(
The daily production cost, C, of a special edition toy car is given by the function C(t)= 0.2t^2 - 10t + 650, where C(t) is in dollars and t is the number of cars made.
A. How many cars must be made to minimize the production cost?
read more ..
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Guest
Jun 7, 2021
0
391
2
Geometry
Points L and M lie on a circle centered at O, and the measure of arc LM on this circle is 72 degrees. The circle passing through points O, L, and M is drawn. Find the measure of arc LPM on the larger circle, in degrees.
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Guest
Jun 7, 2021
0
495
2
I am having trouble with this question!!
The function A(w)= -2w^2+ 576 models the area of a pasture enclosed by a rectangular fence,where w is width in metres.
A. What is the maximum area that can be enclosed?
read more ..
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Guest
Jun 7, 2021
0
327
1
Complex Numbers
Find all complex numbers z such that |z - 3| = |z + i| = |z - 1 - 2i|.
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Guest
Jun 7, 2021
0
316
1
Rational
Consider a rectangle with a width of 𝑡 2−9 / 3𝑡−2 cm and a length of 15𝑡−10/ 3𝑡−9 cm.
Write and simplify an expression for the area of the rectangle. State the NPV’s.
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Guest
Jun 7, 2021
0
329
1
Translate into sentence
Five more than the quotient of a number and 9 is equal to 3
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Guest
Jun 7, 2021
0
334
3
help pleasee
a cube and a cylinder have the same surface aera. If the cube has an edge of 6 cm and the cylinder a radius of 2 cm, calculate
a) the surface area of the cube (216 cm^2)
b) the height of the cylinder
read more ..
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Guest
Jun 7, 2021
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469
1
helpssss
A circular ring has a cross-section as shown (left). If the outer radius is 22 mm and the inner radius 20 mmm, calculate the cross-sectional area of the ring.
do we get it this way:
pi 22^2 = 484 pi
pi 20^2 =400 pi
then
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Guest
Jun 7, 2021
0
379
1
HELPS
The wheel of a car has an outer radius of 25 cm. Calculate:
a) How far the car has travelled after one complete turn of the wheel
b) How many times the wheel turns for a journey of 1 km
help plz idk how to solve this
thx
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Guest
Jun 7, 2021
0
406
1
there are exactley a apples in a bag. i buy 4 bags of apples i have 72 apples altogether how many apples are in each in bag
there are exactley a apples in a bag. i buy 4 bags of apples i have 72 apples altogether how many apples are in each in bag
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Guest
Jun 7, 2021
0
336
1
+42
Help please
A line through the points (2,-9) and (j,17) is parallel to the line . What is the value of j.
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Scythgirl
Jun 7, 2021
0
430
1
+47
CPhill NEED HELP ASAP
What is the slope of a line perpendicular to the line containing the points (4,-7) and (-5,-1)? Express your answer as a common fraction.
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bossboy1335
Jun 7, 2021
0
273
1
Polynomial
There is a unique polynomial P(x) of degree 4 with rational coefficients and leading coefficient 1 which has sqrt(1 + sqrt(6)) as a root. What is P(1)?
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Guest
Jun 7, 2021
0
369
1
PLS CPhill YOU JUST HELPED ME I KNOW BUT I NEED TO PASS THIS CLASS
A line is drawn through the points $(-2, 6)$ and $(-4, -2)$. What is the $y$-coordinate of the point where this line intersects the $y$-axis?
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Guest
Jun 7, 2021
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