math
After 7 spelling test Matthew scored 68, 81, 90, 95, 51, 83, and 85. If he wants his average to be 80, what does his next score need to be.
Hi
make a table using points along the graphed linear function .Then, determine the correct function.
econ
12) Suppose you know that the standard deviation of a variable is 10, and you have 100 observations, the standard deviation of the mean is
Math
11. A rocket is fired upward from some initial height above the ground. Its height h in feet above the ground t seconds after it is fired is given by h = -16t2 + 48t +448. (i) What is its initial height? __________ ft. (ii) What is its maximum height? ___________ ft. (iii) How...
Trig
Using tables or a calculator, find tan 16 degrees 15 + cot 32.7 degrees to the nearest hundreths
Chemistry
Is Cl reduced and the oxidizing agent, while Na is oxidized and the reduction agent in number 1? Is number two the one that is not an oxidization-reduction problem? and in number 3, is O reduced and the oxidizing agent, while Pb is oxidized and the reduction agent? thank you s...
Chemistry
I need to explain which species is oxidized and reduced, what the reducing agent and oxidizing is, and explain why for each of the following equations. One of them is not a reduction-oxidization problem and I need to explain why. 1. 2Na + Cl2 --> 2NaCl 2. Pb(NO3)2 + 2NaCl -...
1st grade math
The numbers are 7 and 9 9+7=16 9-7=2
math
Ebony spent 1/6 of her weekend studying for her English test. She spent 3/8 of her time studying pronouns. How long did she study pronouns? A. 1/16 B. 5/24 C. 4/9 D. 13/24
Math
The distance from the center of the Ferrus wheel to a passenger car is 328 feet. What is the approximate distance a passenger travels in 3 full rotations during the ride?
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