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All Questions
^{+0}
184407 Questions
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17
0
geo prob
Given a triangle \(ABC\), consider the bisector of \(\measuredangle A\) which intersects \(BC\) at the point \(D\).
If \(CD + AC = 12\text{ cm}\) and \(CD = \dfrac{BC}{3}\), What is the perimeter of the triangle (in \(\text{cm}\))?
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Guest
Jan 13, 2021
0
185
1
asg
What is the least positive integer divisible by each of 1, 3, 5 and 7?
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Guest
Jan 13, 2021
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24
1
what is 1 4/9 divided by 1 5/8???
what is 1 4/9 divided by 1 5/8???
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Guest
Jan 13, 2021
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18
1
number theory
Suppose that x, y, z are positive integers, and such that the product of all three numbers is twice their sum plus one. Find all solutions.
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Guest
Jan 13, 2021
0
26
1
+112
ASAP
Use the product-to-sum (NOT SUM-TO-PRODUCT) formulas to write the given expression as a product.
A.
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SpaceModo
Jan 13, 2021
+1
23
1
probability
On each of the first three days of January, there is a 1/2 chance that it will snow where Bob lives. On each of the next four days, there is a 1/3 chance that it will snow. What is the probability that it snows at least once during the first week of January?
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Guest
Jan 13, 2021
0
29
1
math
Xavier earned a score of 475 on Exam A that had a mean of 550 and a standard deviation of 25. He is about to take Exam B that has a mean of 550 and a standard deviation of 100. How well must Xavier score on Exam B in order to do equivalently well as he
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Guest
Jan 13, 2021
0
25
1
coordinates
The points (2,3) and (3,2) lie on a circle whose center is on the x-axis. What is the radius of the circle?
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Guest
Jan 13, 2021
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34
3
Can i have some help please?
In the equation $\frac{1}{j} + \frac{1}{k} = \frac{1}{3}$, both $j$ and $k$ are positive integers. What is the sum of all possible values for $k$?
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Guest
Jan 13, 2021
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26
0
probability
Heather and Isabelle play a two-person game which is won by the first person to accumulate 10 points. At each turn Heather gains a point with probability of 2/3. If she doesn't get a point then Isabelle gets a point. Isabelle is now ahead 8 to 6. What is
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Guest
Jan 13, 2021
0
20
1
coordinates
What is the slope of the line containing the midpoint of the segment with endpoints at (2,4) and (0,2), and the midpoint of the segment with endpoints at (5,1) and (1,-5)? Express your answer in simplest form.
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Guest
Jan 13, 2021
+1
47
3
+1195
Valentina is investigating potential relationships between hybrid car ownership and the gender of the owner.
Valentina is investigating potential relationships between hybrid car ownership and the gender of the owner. Assume a survey of 100 persons revealed:
The probability of selecting a person who does not own a hybrid car is 0.315.
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GAMEMASTERX40
Jan 13, 2021
0
21
0
s (1 -5) (3 1) (-5 4) (4 -2) a function
s (1 -5) (3 1) (-5 4) (4 -2) a function
Guest
Jan 13, 2021
0
25
1
line
For what value of k does the line represented by the equation 1 + ky = 3y contain the point (4,3)?
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Guest
Jan 13, 2021
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26
1
lines
Let P and Q be constants. The graphs of the lines x + 5y = 7 and 16x + Py = Q are perpendicular and intersect at the point (8,3). Enter the ordered pair (P,Q).
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Guest
Jan 13, 2021
0
52
2
hi
hi guys i need help with this as the calc im using wont square root tho whole equation
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Guest
Jan 13, 2021
0
56
10
Hyperbola and Foci? :(
The graph of \[\frac{x^2}{a^2} + \frac{y^2}{b^2} = 1\]
has its foci at $(0,\pm 4),$
while the graph of \[\frac{x^2}{a^2}-\frac{y^2}{b^2} = 1\]
has its foci at $(\pm 6,0).$
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Guest
Jan 13, 2021
0
41
2
help math
There are 54 chips in a box. Each chip is either small or large. If the number of small chips is greater than the number of large chips by a prime number of chips, what is the least possible number of large chips?
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Guest
Jan 13, 2021
0
32
1
help inequality
\[\dfrac{(8x^3 + 36x^2 + 54x + 27){(x-1)}^2}{(x^3 + 6x^2 + 12x + 8){(x+1)}^2} < 0\]
Find all the possible values of \(x\).
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Guest
Jan 13, 2021
0
37
1
percentage
There are 120 girls and 57 boys in a school. If 5% of the girls leave the school and no new candidates take up admission, what will be the total percentage of boys in the school?
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Guest
Jan 13, 2021
0
28
1
sum
Find the sum of all 3-digit numbers 100 + 101 + 102 + ... + 999.
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Guest
Jan 13, 2021
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42
1
another calc question!
Im back, I posted like an hour ago and I have another question
The right hand riemann approximation of $\displaystyle\int_1^3 x^3\,dx$ can take the form of P(n)/n^2 for a polynomial P, find P(n)
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Guest
Jan 13, 2021
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