College Algebra
7th Edition
ISBN: 9781305115545
Author: James Stewart, Lothar Redlin, Saleem Watson
Publisher: Cengage Learning
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Chapter A, Problem 10E
To determine
To find:
The value of expression
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1+1+..+ 1
2.
572
Evaluate each expression with a calculator. Round
answers to the nearest hundredth.
(a) Vī.2 + '
3.2 + 5.7
(b)
7.9 - 4.5
(c) V3? + 2.1
3.2
(d) 1.2(6.3)² +
A baseball is hit so that its height, s, in feet after t seconds is s = − 16t² +36t+ 2.
For what time period is the ball at least 22 ft above the ground?
Select the correct choice below and, if necessary, fill in the answer box to complete your choice. (Simplify your answer.
Type an integer or decimal rounded to the nearest hundredth as needed.)
OA. For the time period between (and inclusive of)
ground.
MORBID
ⒸB. For the time period between (and not inclusive of)
ground.
REDMI NOTE 8 PRO
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sec and
sec and
sec the ball will be at least 22 ft above the
sec the ball will be at least 22 ft above the
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- A water sprinkler sends water out in a circular pattern. What is the area formed by the water pattern if it can spray out 15 feet in any direction? Use 3.14 for . The area formed is about square feet. (Type an integer or a decimal.)arrow_forwardPlease answer question 8 (3.5)arrow_forwardUse the ALEKS calculator to evaluate each expression. Round your answers to the nearest thousandth. Do not round any intermediate computations. 4 Im 3 1.75 2.7 -0.5 = = 0 X Śarrow_forward
- Give the answer for each calculator to the correct number of significant figures. 12.6 x 0.53 (12.6 x 0.53) - 4.59 (25.36 - 4.15) 2.317arrow_forwardRounding with significant digits. Carry out the indicated operations and give your answer with the specified number of significant digits. 1. 45 x 3.1; 3 significant digits 2. (2.3 x 100,000) x (7.963 x 0.001) ; 4 significant digitsarrow_forwardThe brain volumes (cm) of 20 brains have a mean of 1192.2 cm³ and a standard deviation of 129.3 cm°. Use the given standard deviation and the range rule of thumb to identify the limits separating values that are significantly low or significantly high. For such data, would a brain volume of 1430.8 cm° be significantly high?arrow_forward
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