All Questions

299

Halp pls

The height (in meters) of a shot cannonball follows a trajectory given by at time (in seconds). As an improper fraction, for how long is the cannonball above a height of meters?

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Guest May 25, 2022

291

Fractions

Express as a fraction in lowest terms: $0.\overline{12} + 0.\overline{001}$

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Guest May 25, 2022

268

Help please

Suppose that f is an invertible function from (-inf,inf) to (-inf,inf) if f(f(x))=x find f(x)-f^-1(x).

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Guest May 25, 2022

260

Help - logarithms.

Use this information for the following 2 questions:
The slope of a beach is influenced by the local tides, wind and wave patterns, and the size of the sand particles on the beach. In general, as the diameter in millimetres, d, of the average read more ..

Guest May 25, 2022

273

Conversion

I'm visiting Germany, but forgot to exchange dollars for euros. My meal costs 17 euros. I give the cashier 40 dollars. If 1 euro is worth 1.5 dollars, then how much change in euros should I receive? (Answer to the nearest hundredth of a euro.) read more ..

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Guest May 25, 2022

203

Quadrilateral

ABCD is a quadrilateral with angle ABC = 90, ACD = 90, AC = 30, BC = and AD = 50. If BD = a\sqrt{b}, what is the value of a + b?

Guest May 25, 2022

323

Python Question: Please Help!

In the game Scrabble, each letter is worth a certain number of points, as given by the chart below (and also, conveniently, as a dictionary), and a word is worth the sum of the scores of its letters. For example, the word "solving" in Scrabble is worth read more ..

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Guest May 25, 2022

282

math

2x+4

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Guest May 25, 2022

305

help

x^3+16/4 for x=2

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Guest May 25, 2022

315

Coordinates

Vanessa will graph the lines y = 1/3*x + 7 and y = 2x - 5. What is the sum of the x-coordinates of the two lines' x-intercepts? Express your answer as a decimal to the nearest tenth.

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Guest May 25, 2022

341

need help

What is the greatest product obtainable from two integers whose sum is ?

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Guest May 25, 2022

221

would appreciate some help

Lines

Let P and Q be constants. The graphs of the lines x - 5y = 7 and 15x + Py = Q are perpendicular and intersect at the point (8,3) Enter the ordered pair (P,Q).

Guest May 25, 2022

-1

312

+79

Let b=(1,4,6) and c=(5,4,4) find the point on the line bc that is closest to the point A=(1,2,1)

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imbadatmath May 25, 2022

351

+349

Hey thanks I would appreciate it

\1^{∞*-1}

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hipie May 25, 2022

-1

326

+79

Let b=(1,4,6) and c=(5,4,4) find the point on the line bc that is closest to the point A=(1,2,1)

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imbadatmath May 25, 2022

209

help geometry

A right triangle with a perimeter of 60 units has an altitude (to the hypotenuse) of length 12 units. Find the sum of the lengths of the two (non-hypotenuse) legs of this triangle.

Guest May 25, 2022

-1

321

+79

the two planes 3x-7z=5 and z-2y-2z=1 intersect in a line find a parametric representation of this line

the two planes 3x-7z=5 and x-2y-2z=1 intersect in a line find a parametric representation of this line

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imbadatmath May 25, 2022

326

+614

inverses

find the inverse of f(x)=3/5x^3-9. Then verify that f(x) and f^-1(x) are truly inverses

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xxJenny1213xx May 25, 2022

May 24, 2022

-1

338

+79

(a) find a parametric representation of the plane that passes through the points (2,-3,7), (0,3,-1) and (2,0,5)

(a) find a parametric representation of the plane that passes through the points (2,-3,7), (0,3,-1) and (2,0,5)
(b) find the equation of the plane in Ax+By+Cz=D

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imbadatmath May 24, 2022

-1

296

+79

the points (-1, 3, a), (-2,0,1) and (-4, c, -3) all lie on the same line find a and c

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imbadatmath May 24, 2022

348

Answer in the old link please!

https://web2.0calc.com/questions/please-help_13898

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Guest May 24, 2022

307

Math

The ratio of Adam's CDs to Justin's CDs was 5:3. When Adam gave 7 CDs to Justin, they each had the same amount. How many CDs did they have altogether?

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Guest May 24, 2022

319

help me

The ratio of the number of apples to the number of oranges in a basket is 3:2. There were 40 more apples than oranges. After some oranges were removed from the basket, the number of apples become twice of the number of oranges. How many oranges are there read more ..

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Guest May 24, 2022

All Questions ⁺⁰237690 Questions

Halp pls

Fractions

Help please

Help - logarithms.

Conversion

Quadrilateral

Python Question: Please Help!

math

help

Coordinates

need help

would appreciate some help

Lines

Let b=(1,4,6) and c=(5,4,4) find the point on the line bc that is closest to the point A=(1,2,1)

Hey thanks I would appreciate it

Let b=(1,4,6) and c=(5,4,4) find the point on the line bc that is closest to the point A=(1,2,1)

help geometry

the two planes 3x-7z=5 and z-2y-2z=1 intersect in a line find a parametric representation of this line

inverses

(a) find a parametric representation of the plane that passes through the points (2,-3,7), (0,3,-1) and (2,0,5)

the points (-1, 3, a), (-2,0,1) and (-4, c, -3) all lie on the same line find a and c

Answer in the old link please!

Math

help me

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