Questions Answered

rebecca1233:
Your piggy bank has a total of 46 coins in it; some are dimes and some are quarters. If you have a total of $7.00, how many quarters and how…
 updated 2 years ago
 8 replies
 1 Medal

elizbaker45:
help....
A stone is thrown vertically upwards from the edge of a cliff on mars (where the acceleration of gravity is 12ft/s^2) with an init…
 updated 2 years ago
 3 replies
 1 Medal

jupiter:
The lowest temperature ever recorded in a town was 26 f. The highest temperature ever recorded there was 137 f more than the lowest. What w…
 updated 2 years ago
 2 replies
 1 Medal

elizbaker45:
could anyone explain chi squared tests?
 updated 2 years ago
 7 replies
 2 Medals

xmymymassacre:
....3d+4=2+3d
 updated 2 years ago
 7 replies
 1 Medal

elizbaker45:
could someone show me an equation for hypothesis testing in statistics could someone show me an equation for hypothesis testing in statistic…
 updated 2 years ago
 1 reply
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MissMathmatics:
I need help converting units.. 5 lit; qt
 updated 2 years ago
 17 replies
 2 Medals

elizbaker45:
assume the mean body fat percent for adult men is μ=18.94, the standard deviation is σ=7.75 and that the body fat distribution is normal.
)…
 updated 2 years ago
 1 reply
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emivf:
find the slope and y  intercept
5x + 4y = 12
 updated 2 years ago
 8 replies
 1 Medal

elizbaker45:
2. A public health researcher examines the medical records of a large sample of men who died in 1999. Of this sample, she finds that 22.4…
 updated 2 years ago
 3 replies
 1 Medal

sky08:
Which mathematical expression is the same as this statement? The product of 5 and n decreased by 20.
A. 5 + n  20
B. 5n  20…
 updated 2 years ago
 4 replies
 1 Medal

elizbaker45:
. Upon arrival at a hospital’s emergency room, patients are categorized according to their conditions as critical, serious, or stable. In …
 updated 2 years ago
 2 replies
 1 Medal

Xantkillerx3:
during a cetain shift, a quality control inspector inspects 6 out of every 30 items prodiced. What was the ratio of inspected to uninspect…
 updated 2 years ago
 4 replies
 1 Medal

jp1203:
How many solutions do these equations have?
…
 updated 2 years ago
 1 reply
 1 Medal

needhelp3333:
Choose the point which is a solution to the system of inequalities:
4x – 5y > –40…
 updated 2 years ago
 7 replies
 1 Medal