avamarie

24 Questions
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0

1062

1

+100

Help please

Before taking his last test in a class, the arithmetic mean of Brians's test scores is 91. He
has determined that if he scores 98 on his last test, the arithmetic mean of all his test scores
will be exactly 92. How many tests, including the last read more ..

avamarie Apr 19, 2020

0

563

1

+100

Help please

The average of four different positive whole numbers is 4 If the difference between the
largest and smallest of these numbers is as large as possible, what is the average of the
other two numbers?

avamarie Apr 19, 2020

+1

622

1

+100

Help please

Find the average value of 0, 2z, 4z, and 8z

avamarie Apr 19, 2020

0

558

0

+100

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In Theresa’s first 8 basketball games, she scored 7, 4, 3, 6, 8, 3, 1 and 5 points. In her ninth game, she scored fewer than 10 points and her points-per-game average for the nine games was an integer. In her tenth game, she scored fewer than 10 points read more ..

avamarie Apr 16, 2020

0

725

1

+100

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In my science class, my teacher assigns each student a semester grade by finding the median of that student’s test scores. There are seven tests each semester. I have scored 55, 78, 63, and 91 on the first four tests. What is the highest possible semester read more ..

avamarie Apr 16, 2020

0

634

0

+100

Help please!

Jane averages 143 in her first six bowling games. Her scores in her next four games are all the same. If her bowling average over the ten games is also 143, then what did she bowl in each of the final four games?

avamarie Apr 16, 2020

0

645

1

+100

Help please

In triangle ABC, we have angle A= 30 degrees, angle B= 60 degrees, And AB=8. Find BC, AC, and the area of triangle ABC.

avamarie Apr 15, 2020

-1

767

1

+100

Help please

Two bicyclists start at the intersection of two perpendicular roads. One rides east at a rate
of 9 miles per hour, while the other rides south at a rate of 12 miles per hour. How many
miles are in the shortest distance between them at the end of 3 read more ..

avamarie Apr 15, 2020

+1

581

1

+100

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Pat knows that one leg of a certain right triangle is 300 cm and the hypotenuse is 400 cm.
Pat notes that 300= 3*100 and 400= 4*100, and then uses the {3,4,5} Pythagorean
triple to determine that the other leg must be 5*100=500 cm. read more ..

avamarie Apr 15, 2020

0

1817

1

+100

Help me please!

Quadrilateral ABCD is a parallelogram. If the measure of an angle A is 62 degrees and
the measure of an angle ADB is 75 degrees, what is the measure of angle ADC in degrees?

avamarie Apr 13, 2020