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Betsy
Questions (125)
The first social studies test had 16 questions. The second test had 220% as many questions as the first test. Find the number of
2 answers
1,386 views
An airplane traveled from Boston to Las Vegas making a stop in St. Louis. The plane traveled 2410 miles altogether, which is
1 answer
937 views
Tricia read 1/4 of her book on Monday. On Tuesday, she read 36% of the book. On Wednesday, she read 0.27 of the book. She
3 answers
1,517 views
Wyatt and Allyson were asked to solve a percent problem using the numbers 13 and 38. Wyatt found 13% of 38 and Allyson found 38%
2 answers
437 views
If someone invests $8000 at 7%, how much additional money must he invest at 4% so that his total annual income may equal 5% of
1 answer
427 views
Ellory budgets at most $20 each week for lunch. She has spent $17.75 so far this week. Write and solve an iequality to determine
1 answer
518 views
3x/4 - 2x/3 = 2/5
1 answer
264 views
3k/4 - 28 - 2k/3 = 37
1 answer
246 views
A phone call costs $0.58 for the first 3 minutes and $0.15 for each additional minute. If the total charge for the call was
9 answers
1,180 views
Heather worked for 15 3/4. She was paid a total of 102 3/8 dollars. What is Heather hourly wage?
1 answer
378 views
Grace ddrove 159 miles and used 5 3/10 gallons of gas. How far could she go with one gallon of gas?
2 answers
565 views
2 HgCl2 (aq) + SnCl2 (aq) --> SnCl4 (aq) + Hg2Cl2 (s)
Hg2Cl2 (aq) + SnCl2 (aq) --> 2Hg (s) + SnCl4 (aq) For each reaction, write
0 answers
1,134 views
A plane flies the first half of a 5600 km flight into the wind in 3.5 hours. The return trip, with the same wind, takes 2.5
1 answer
1,041 views
cot 19.8 degrees
1 answer
407 views
f(x)=xcubed - 2xsquared + 4x-7, what is f(0)
1 answer
430 views
True or false? If A and B are angles of a triangle such that A > B, then cos A > cos B.
1 answer
697 views
An object has a mass of 80 kg on earth. the acceleration of gravity on Mars is about 1/4 of the acceleration of gravity on
1 answer
510 views
A marble is dropped from a height of 10 m. A 2nd marble is rolled off a 10 m table at 5 m/s. A 3rd marble is fired at 5 m/s at
1 answer
432 views
Explain how numbers can be used to name something.
2 answers
430 views
A 2.000 g sample of magnesium was burned in air to form an oxide.
After the product was purified it was found to have a mass of
2 answers
829 views
a child causes a wagon to accelerate by pulling it with a horizontal force.
newton's third law says that the wagon exerts an
1 answer
2,382 views
find the second derivative of
ln(sinx) i worked this out and i got -tanx
2 answers
439 views
How can I prove a line is an altitude
0 answers
344 views
Can a request for information be classified as an information or positive message
2 answers
442 views
How many grams of benzoic acid, a monoprotic acid with a Ka=6.4x10 to the negative 5, must be dissolved in 500.0 mL of water to
3 answers
978 views
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