What score must a student make on an algebra test to have an average score of 90 for the grading period if his other test scores are 88, 84, and 92?

What score must a student make on an algebra test to have an average score of 90 for the grading period if his other test scores are 88, 84, and 92?

05/19/13

I have trouble rounding to the nearest ten thousandth?

I need help to round 4.6941575982343 & 2.078689326to the nearest ten-thousandth. I keeping getting it wrong and I don't know what I'm doing.

10/27/12

A student's grade in a course is the

A student's grade in a course is the average of 4 test grades and a final exam that is worth twice as much as each test. Suppose a student has test grades of 91, 82, 83, and 92. Write an equation... more

09/26/12

Five times a number is less than three times the same number. Find such an answer.

Five times a number is less than three times the same number. Find such an answer.

09/13/12

im going to give and example: 7(b+3) would the answer be -8z?

I dont know if the answer would be the letter with the number or just the number.

09/11/12

3(q-5)=2(a+5

3(q-5)=2(a+5

09/10/12

Distance Rate Time Algebra Question~!

Sheila and May are on opposite sides of a lake. Sheila's boats travels at 12 km/h and May's boat travels at 10 km/h. If the lake is 69 km wide, Sheila leaves at 1pm, and May leaves at 1:15pm, what... more

09/08/12

how to make a time to completion chart

i need to make charts on excel

09/07/12

what is the equation of the line parallel to the x-axis and 6 units below it?

How do I go about solving this problem?

09/07/12

Is adding numbers that are stacked considered an equation?

   3,000      100   +  50 _________   3,150 versus 3,000+100+50=3,150 ? Versus 3,000 + 100 + 50 = 3,150 ?

09/07/12

How do you show the steps to combing like terms.

Like 12g+7g  

09/07/12

I can't solve that, can anyone help me .?

a = 8x5^2 -(3x4)^2 +7x2^3b =(2x9)^2+3x(-5)^3 +2x3^2c = -5^4 -3x(-5+2)^3 -(7x2)^2

09/06/12

3(x-4)-5=-2+5x-9

I don't get it at all. 

09/06/12

patterns in alg

54,31,19.5.13.75,10.875, ___________, ____________, n=n:--------------

09/05/12

What is the answer to this distributive property problem (7+x)*-4

I don't understand how to do distributive property.

09/05/12

what if a zero is at the end of a decimal and you try to convert it to a fraction?

here is an example- 0.05 would that convert to 5/100 or 50/100 or 5/10?

09/05/12

How do I factor the following question?

x2+8x+7

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