- Grade 11 and 12 Mathematics (Moderator: geoffrey)
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Author Question: You randomly select one card from a 52-card deck. Find the probability of selecting:an ace or a 9? (Read 88 times) |
- Grade 11 and 12 Mathematics (Moderator: geoffrey)
On average, someone in the United States has a stroke about every 40 seconds. This is about 795,000 people per year.
Approximately 15–25% of recognized pregnancies end in miscarriage. However, many miscarriages often occur before a woman even knows she is pregnant.
Adolescents often feel clumsy during puberty because during this time of development, their hands and feet grow faster than their arms and legs do. The body is therefore out of proportion. One out of five adolescents actually experiences growing pains during this period.
Studies show that systolic blood pressure can be significantly lowered by taking statins. In fact, the higher the patient's baseline blood pressure, the greater the effect of statins on his or her blood pressure.
Though the United States has largely rejected the metric system, it is used for currency, as in 100 pennies = 1 dollar. Previously, the British currency system was used, with measurements such as 12 pence to the shilling, and 20 shillings to the pound.