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All Questions
+0
230396 Questions
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804
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+1982
If the graph of y = -4x + 7 is perpendicular to the graph of y = mx + 3 , then what does m equal?
If the graph of y = -4x + 7 is perpendicular to the graph of y = mx + 3 , then what does m equal?
A. 1/4
B. -1/4
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macabresubwoofer
Mar 9, 2020
0
958
1
+1982
Using the image shown, name the reflection image of the point (2,1) over the y-axis. Your answer should be in (x,y) notation with no spaces.
Using the image shown, name the reflection image of the point (2,1) over the y-axis. Your answer should be in (x,y) notation with no spaces.
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macabresubwoofer
Mar 9, 2020
0
649
0
+1982
Using the image shown, name the reflection of J over the horizontal mirror line shown.
Using the image shown, name the reflection of J over the horizontal mirror line shown.
A. K
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macabresubwoofer
Mar 9, 2020
0
617
1
please help
A scooter travels 10 miles per hour faster than an electric bicycle. The scooter traveled for 3 hours and the bicycle traveled for 5 1/2 hours. All together the scooter and bicycle traveled no more than 285 miles. Find the maximum speed of each
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Guest
Mar 9, 2020
0
640
0
+1982
Is this statement true or false?
Is this statement true or false?
The graph illustrates a translation of T(4,-6).
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macabresubwoofer
Mar 9, 2020
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342
0
help
7.4745 × 1010 in stander form
Guest
Mar 9, 2020
0
632
1
+309
Please help...
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oscar.a1551
Mar 9, 2020
0
590
0
help
Jeremy is making a trail mix containing raisins and peanuts. Raisins cost $1.50 per pound. Peanuts cost $2.50 per pound. Jeremy spends $10.50 to make 5 pounds of trail mix. Determine the amount of raisins in the trail mix
Guest
Mar 9, 2020
0
421
0
Let triangle DEF be equilateral, where the side length is 3. A point G is chosen at random inside the triangle.
Let triangle DEF be equilateral, where the side length is 3. A point G is chosen at random inside the triangle. Find the probability that the length DG is at most 1.
Guest
Mar 9, 2020
0
351
0
need help with probability
Suppose that 65% of the defendants are truly guilty. Suppose also that juries vote a guilty person innocent with probability 0.2 whereas the probability that a jury votes an innocent person guilty is 0.1. Find the probability that a defendant is convicted.
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Guest
Mar 9, 2020
0
3155
3
Let XYZ be an equilateral triangle, centered at O. A point P is chosen at random, inside the triangle.
Let XYZ be an equilateral triangle, centered at O. A point P is chosen at random, inside the triangle. Find the probability that point P is closer to O than to any of the vertices. (In other words, find the probability that OP is less than XP,
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Guest
Mar 9, 2020
0
902
4
+29
Four points A1, A2, A3 and A4 are chosen at random on a circle. Find the probability that chords A1A2 and A3A4 intersect.
Four points A1, A2, A3 and A4 are chosen at random on a circle. Find the probability that chords A1A2 and A3A4 intersect.
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Catarina
Mar 9, 2020
0
562
1
HELP PLS
What is the slope of the line represented by the equation y = x – 3?
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Guest
Mar 9, 2020
0
438
0
Last Sunday, the Humane Society had a 3-hour adoption clinic. During the week the clinic is open for 2 hours on days when volunteers are ava
Last Sunday, the Humane Society had a 3-hour adoption clinic. During the week the clinic is open for 2 hours on days when volunteers are available. If the Humane Society was open for a total of 9 hours last week, how many weekdays was the clinic open?
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Guest
Mar 9, 2020
0
300
0
help
Rickey has been commissioned to paint a mural that is allowed to have an area of 50 square meters. To make the rectangle shape of the mural easing to the eye, rickey wants the length to be five meters longer than twice its width. What lengths should rickey
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Guest
Mar 9, 2020
0
1256
1
I require help!
If $f(x)=\frac{ax+b}{cx+d}, abcd\not=0$ and $f(f(x))=x$ for all $x$ in the domain of $f$, what is the value of $a+d$?
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Guest
Mar 9, 2020
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345
0
help!
Let $t(x) = 3x-8$ and $s(t(x)) = x^2 + 3x - 2$. Find $s(1)$.
Guest
Mar 9, 2020
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401
0
help
A researcher randomly surveyed seniors at a high school and asked how many books they read in the past year. The table shows the results.
Which
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Guest
Mar 9, 2020
0
754
0
+509
question
In a random sample of 80 students in first grade, the mean hours of sleep per night was 9.4 with a standard deviation of 0.41. In a random sample of 50 students in 12th grade, the mean hours of sleep per night was 7.5 with a standard deviation of 0.52.
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kikidylm
Mar 9, 2020
0
547
0
+509
Need help
In a random sample of 44 downloadable books from a website, the mean cost is $8.58 with a standard deviation of $2.09.
Which interval is the 95% confidence interval for the mean cost of all the downloadable books on the website?
($7.96,
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kikidylm
Mar 9, 2020
0
922
1
math question
You draw a card from a standard deck of 52 playing cards. Find the probability that you do not draw a face card. Write your answer as a fraction in simplest form.
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Guest
Mar 9, 2020
0
478
1
please help
Tom made 3 identical necklaces, each having beads and a pendant. The total cost of the beads and pendants for all 3 necklaces was 22.20. If the beads cost a total of 11.70, how much did each pendant cost?
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Guest
Mar 9, 2020
0
1104
1
Find Value
Given sin(−θ)=−16 and tanθ=−35√35.
What is the value of cosθ?
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Guest
Mar 9, 2020
0
309
0
hard counting
A class consists of 17 men and 14 women. An exam is given andstudents are ranked according to their performance. Assume notwo students obtain the same score. If all rankings are consideredequally likely, what is the probability that women receive the top4
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Guest
Mar 9, 2020
0
962
4
Math help
A certain organization has five leaders and some number of organizers. Every year, the current leaders are kicked out of the organization. Next, each organizer must find two new people to join as organizers. Finally, five new people are elected from outside
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Guest
Mar 9, 2020
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