All Questions

773

+236

Plz help

My friend sets out walking at a speed of $3$ miles per hour. I set out behind her $5$ minutes later at $4$ miles per hour. For how many minutes will my friend have been walking when I catch up to her?

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Choff Jan 14, 2021

415

isosceles triangle

Two angles of an isosceles triangle are $68^\circ$ and $x^\circ$. What are all the possible values of $x$?

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Guest Jan 14, 2021

559

+505

Help please

Help. I don't know how to start

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MobiusLoops Jan 14, 2021

519

+236

I need help I can't get this wrong again also plz explain how u got the answer

My friend sets out walking at a speed of $3$ miles per hour. I set out behind her $5$ minutes later at $4$ miles per hour. When I start walking, how many miles has my friend traveled?

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Choff Jan 14, 2021

536

probability

Neil and Jean each choose a number at random from the set {1, 2, 3, 4, 5, 6, 7, 9, 10, 11, 12}; their numbers are allowed to be the same. What is the probability that the product of those two numbers is even?

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Guest Jan 14, 2021

470

+236

Plz help I really need it this is really confusing

The exchange rate of U. S. dollars ($) to Icelandic kronur (ISK) is $\$1.00 = 120\text{ ISK}. On a trip to , Geri orders a meal for . What is the equivalent price in U. S. dollars and cents? Enter your answer in the form ab.cd, where $a, b, c,$ and $d$ read more ..

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Choff Jan 14, 2021

505

m + 5

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Guest Jan 14, 2021

354

counting

Find the number of subsets of {1, 2, 3, ..., 10}, where the sum of the smallest element an the largest element is equal to 11.

Guest Jan 14, 2021

507

How many four-digit positive integers are there with thousands digit

How many four-digit positive integers are there with thousands digit ?

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Guest Jan 14, 2021

522

circle

For what value of k does the equation x^2+10x+y^2+16y-k=0 represent a circle of radius 6?

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Guest Jan 14, 2021

474

+73

PLZ HELP!!!!

If $-5\leq a \leq -1$ and $1 \leq b \leq 3$, what is the least possible value of $\displaystyle\left(\frac{1}{a}+\frac{1}{b}\right)\left(\frac{1}{b}-\frac{1}{a}\right) $? Express your answer as a common fraction.

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qwertyytrewq Jan 14, 2021

608

parabola

The graph of the parabola defined by the equation y=-(x+1)^2+1 is shifted 1 unit to the right, then shifted 5 units down. The resulting parabola has zeros at x=a and x=b, where b≥a. What is b-a?

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Guest Jan 14, 2021

870

Irregular shape area

PLZZZZZ help!! In the figure, QUAD is a quadrilateral. QUAD is “enclosed” by the rectangle RECT. This means that each vertex of QUAD is on a side of rectangle RECT. Segment QA is parallel to two of the sides of the rectangle. The length of QA is 18 and read more ..

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Guest Jan 14, 2021

363

плииииз

Выполни действия 2) 0,28:0,03*3/4*1,4/ 3 2/3*0,36*4,9:3,3=

Guest Jan 14, 2021

448

Just Some Random Question

What is 133 1/3 % of 21? With Solution

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Guest Jan 14, 2021

593

pls help!!! thanks!

the function f is defined by f(x)=cx-3 where c is a constant. find c, if the value of f at x=1.5 is equal to -5.25

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Guest Jan 14, 2021

822

+10

pls help!!!

Find area of the isosceles triangle formed by the vertex and the x-intercepts of parabola y=x^2-4x+21.

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MathmerMather Jan 14, 2021

645

nt prob

Find all positive integers n, less than 17, for which n! is an integral multiple of 49.

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Guest Jan 14, 2021

676

find angle DEF

D,E,F are the feet of the altitudes in triangle ABC. Find angle DEF (in degrees).

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Guest Jan 14, 2021

550

divisible

Determine the number of five-digit integers (37abc) in base 10 such that (37abc) is divisible by 37.

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Guest Jan 14, 2021

412

HELP! Integral of Difficult Function sqrt(1-cos(x)^3)

Guest Jan 14, 2021

641

help needed with sum

Find the sum 1*3 + 3*5 + 5*7 + ... for the first n terms.

heureka ●●●

Guest Jan 14, 2021

525

help

The vertex of a parabola is at (12,-4) and its axis of symmetry is vertical. One of the x-intercepts is at (15,0). What is the x-coordinate of the other x-intercept?

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Guest Jan 14, 2021

596

Teacher

The water level in Ricky Lake changes at an average of (-7/16) inch every 3 years. Based on the rate above, how much will the water level change after one year? * Aswers?

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Guest Jan 14, 2021

628

+36

Basic probability question

Four standard six-sided dice are rolled. What is the probability that the product of the numbers on the top faces of all four dice is a prime number? Express your answer as a common fraction.

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Cloud Jan 14, 2021

All Questions ⁺⁰238211 Questions

Plz help

isosceles triangle

Help please

I need help I can't get this wrong again also plz explain how u got the answer

probability

Plz help I really need it this is really confusing

m + 5

counting

How many four-digit positive integers are there with thousands digit

circle

PLZ HELP!!!!

parabola

Irregular shape area

плииииз

Just Some Random Question

pls help!!! thanks!

pls help!!!

nt prob

find angle DEF

divisible

HELP! Integral of Difficult Function sqrt(1-cos(x)^3)

help needed with sum

help

Teacher

Basic probability question

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