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All Questions
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231248 Questions
0
57
1
Teacher graded assignment: Using Function Models
1. The table shows values of a function . What is the average rate of change of over the interval from x = 5 to x = 9? Show your work.
x
4
5
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Guest
Jun 12, 2023
0
64
2
need help with ratios
In Linguistics 101, the ratio of the number of juniors to the number of seniors is 3:2. When six more juniors join the class, and one senior drops the class, the ratio of the number of juniors to the number of seniors becomes . How many
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Guest
Jun 12, 2023
-1
60
5
+70
help please
Given any positive even integer, x, the positive difference between the smallest odd number greater than 7x-2 and the largest odd number less than 3x+5 can be written in the form ax+b . What is a+b?
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sheeshers
Jun 12, 2023
+1
53
4
Help asap!
1.In triangle $PQR,$ let $X$ be the intersection of the angle bisector of $\angle P$ with side $\overline{QR}$, and let $Y$ be the foot of the perpendicular from $X$ to side $\overline{PR}$. If $PQ = 9,$ $QR = 10,$ and $PR = 17,$ then compute the length
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Guest
Jun 12, 2023
0
62
0
plz help
I am really stuck on this
In how many ways can three pairs of siblings from different families be seated in two rows of three chairs, if siblings may sit next to each other in the same row, but no child may sit directly in
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Guest
Jun 12, 2023
0
57
1
fractions
An aquarium tank is 1/6 full of water. When 2 gallons of water are added, the tank becomes 1/2 full. What is the total capacity of the aquarium tank, in gallons?
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Guest
Jun 12, 2023
0
59
0
i need help
This is some very hard geometry
Triangle XYZ is equilateral. Points Y and Z lie on a circle centered at O, such that X is the circumcenter of triangle OYZ, and X lies inside triangle OYZ. If the
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Guest
Jun 12, 2023
0
61
1
Explain PLZZ
How do you find the vertex of y=x^2+10x-21?
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Guest
Jun 12, 2023
0
57
2
Explain Plz
For what value of k does the equation 2x^2 − 6x + k = 0 have exactly one solution?
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Guest
Jun 12, 2023
0
60
0
solve
Solve for the variable x in terms of y and z, assuming y \neq \frac{1}{2}:
xy + x = \frac{3x + 2y + z + y + 2z}{3}
Guest
Jun 12, 2023
0
58
2
Need help
Suppose r and s are the solutions of x^2 − 12x + 22 = 0. Find r^2 + s^2 .
Explain solution
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Guest
Jun 12, 2023
0
46
1
HELP PLZ
Write in simplest terms, with no radicals in the denominator.
1/(√ 3 + √ 2) + 1/(√ 3 − √ 2)
*plz explain solution if possible
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Guest
Jun 12, 2023
0
60
1
coefficient
Find the coefficient of y^4 in the expansion of (2y-5+3y^2)^6.
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Guest
Jun 12, 2023
0
58
1
need help
Catherine rolls a standard 6-sided die six times. If the product of her rolls is then how many different sequences of rolls could there have been? (The order of the rolls matters.)
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Guest
Jun 12, 2023
0
56
0
bisectors
In triangle PQR, let X be the intersection of the angle bisector of angle P with side QR, and let Y be the foot of the perpendicular from X to line PR. If PQ = 9, QR = 9, and PR = 9, then compute the length
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Guest
Jun 12, 2023
0
49
0
triangles
In triangle ABC, point X is on side BC such that AX=13,BX=10,CX=10, and the circumcircles of triangles ABX and ACX have the same radius. Find the area of triangle ABC.
Guest
Jun 12, 2023
0
56
1
203 pessoas nececessitam de comer 23 laranjas. Quantas fatias para cada?
203 : 10
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Guest
Jun 12, 2023
0
66
1
need help quick
Find the number of ways of arranging the numbers 1,2 ,3, 4, 5, 6, 7, 8, 9 in a row so that the product of any two adjacent numbers is even.
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Guest
Jun 12, 2023
0
58
1
pls help
What is this equation rewritten in exponential form?
log7 343 = 3
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Guest
Jun 12, 2023
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