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Post New Question
All Questions
+0
230624 Questions
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397
1
NEED HELP! (Congruency and Similarity)
Tonya is 1.3 meters tall, she stands 7 meters in front of a tree and casts a shadow 1.8 meters long.
How tall is the tree?
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Guest
May 6, 2021
0
503
2
7X+5Y-3Z=16
7X+5Y-3Z=16
3X-5Y+2Z=-8
5X+3Y-7Z=0
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Guest
May 6, 2021
0
473
1
+327
Confused w/ Normal Distribution Homework
The orginal answers I had before this were -1 and 2 (2.375 not rounded) because these were the Z-scores. Which I found using
(68-76)/8= -1
(95-76)/8= 2.375
read more ..
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KennedyPape
May 6, 2021
0
403
1
coordinates
Find the equation of the line that passes through the points (-2,1) and (-3,3). Write your answer in the form y = mx + b.
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Guest
May 6, 2021
0
273
0
plz help
I don't understand how to draw/model the situation
Guest
May 6, 2021
0
293
1
geometry
In the diagram, O is the center of a circle with radii OP=OQ=15. What is the perimeter of the shaded region?
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Guest
May 6, 2021
0
227
0
I need help
I need so much help hopefully someone is able to help me
Guest
May 6, 2021
0
356
1
+4
Math question
1. Solve for x
2. Find the value of x
read more ..
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heloo
May 6, 2021
0
280
0
Gas Law Help
How many grams of hydrogen gas will occupy 25.0 L at STP? Please explain the process.
Guest
May 6, 2021
0
417
2
1. Find the area of the region determined by the inequalities
1. Find the area of the region determined by the inequalities
2. For an integer n let
read more ..
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Guest
May 6, 2021
0
326
1
help
A research study reports that an average person purchases 160 granola bars per year. If there are 286 million people in the country, how many granola bars are purchased by the whole country in one year?
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Guest
May 6, 2021
0
252
0
Please help?
Convert these functions to piecewise notation.
y = |-2/3x - 4|
y = |x2 - 3x - 4|
read more ..
Guest
May 6, 2021
+1
977
3
+216
Math Help Please
How many positive integers less than 2008 have an even number of divisors?
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Jmaster10
May 6, 2021
0
240
0
inequalities
Given that x <= -7 identify all the correct conclusions.
(A) x + 1 <= -7
(B) x + 3 <= -4
(C) x <= -6
(D) -x <= 7 <#> Enter the letters of all the conclusions that are correct (separated by commas). For example, if you think that
read more ..
Guest
May 6, 2021
May 5, 2021
+1
480
5
A nice function problem I'm not sure how to do
Let there be a function f(x) which maps through all real numbers. If f(2)=1/9, f(f(x))=1/3x, find f(1/6).
So far, my progress is that if we plug in f(2) into f(f(x)) we get f(f(2))=f(1/9)=1/6. Also, f(f(1/6))=2. However, I'm not sure
read more ..
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Guest
May 5, 2021
-2
322
1
1.Find the area of the region that lies below the graph of but above the -axis.
1.Find the area of the region that lies below the graph of but above the -axis.
2.
3.
read more ..
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Guest
May 5, 2021
-1
442
1
OR' and 'AND' Probabilities
A bag contains three red marbles and eight blue marbles. Your randomly pick a marbles and then pick a second marble without returning the marbles to the bag. What is the probability that the first marble is red and the second marble is blue?
read more ..
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Guest
May 5, 2021
+1
346
1
helllppp plz
D,E, and F are the midpoints ofBC, CA and AB respectively. A dilation maps triangle ABC to triangle DEF. What is the scale factor of this dilation?
the answer is not 1/2.
read more ..
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Guest
May 5, 2021
0
275
1
Help!
Let the line be the perpendicular bisector of and B = (3, 4). Given that meets at what is ?
Thank you!
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Guest
May 5, 2021
+1
350
1
Algebra
1. Convert the following single log statements into 5 log statements separated by + and – signs.
Log (a^3b^4)/(6cd) )
NOTE: You must show this in at least two steps.
1st line should be to convert the
read more ..
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Guest
May 5, 2021
0
406
3
Solving a system of equations
Find a and r such that a+ar+ar^2+ar^3+ar^4+ar^5=378, ar^5+ar^6+ar^7+ar^8+ar^9+ar^10=12096.
I'm not sure how to solve this. Could I have some help?
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Guest
May 5, 2021
0
501
1
Math
66 unit squares each have \dfrac{3}{5}53start fraction, 3, divided by, 5, end fraction of their area shaded.
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Guest
May 5, 2021
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