7,188 Answered Questions for the topic Math Help

Math Help

08/30/18

give solution

53% of the weight of a concrete slab is cement while the rest is stone ad sand .If there is 2kg 160 gram more cement than stone and sand in the concrete slab, how much does the slab weigh?
Math Help

08/29/18

Roofing material costs $95.40 per square (10 ft by 10 ft).

1.)A fishing boat anchor requires 10 3/8 pounds of steel. How many anchors can be manufactured from 3,980 pounds of steel (round to the nearest saleable anchor – no partial anchors will pass... more
Math Help

08/29/18

The park's sprinkler system sprayed 1008 liters of water on the grass in 48 minutes. How many liters does it spray in one minute?

I need help with my math problems. They are teaching me this at a very old age and I can not remember! Help me please!
Math Help

08/29/18

What is 5000 rounded to the nearest hundred

What is 5000 rounded to the nearest hundred
Math Help

08/29/18

Simplify 3 - (2 - 8).

I'm 14 from Richmond Hill Georgia 
Math Help

08/29/18

There are exclusions that make the expression x^3 -1/x^3+x^2+x undefined. True False

There are exclusions that make the expression undefined.TrueFalse   Does anybody know what this equation is?
Math Help

08/28/18

Express the following in summation notation

a. x1+x2+x3+x4+x5   b. x1+2x2+3x3+4x4+5x5  

08/28/18

Item 13 Find one terminating decimal and one repeating decimal between -1/2 and −1/3

Can i have help or the answer soon as in like two days soon?????
Math Help Math Pi

08/28/18

How do I calculate pi starting with number close to pi like 2.57 or 3.11 or any random number as long as it is close to pi?

I know that there was a way to calculate, but i forgot it. Can you please help me.
Math Help

08/28/18

The sum of 14 divided by a number and that number divided by 14 the expression is?

What is the expresdion
Math Help

08/27/18

Solve for [H+] in the following equation if pH = 3. pH = -log[H+] Please remember the proper syntax for entering your answer.

Solve for [H+] in the following equation if pH = 3. pH = -log[H+]Please remember the proper syntax for entering your answer.
Math Help

08/27/18

f(0) = 7; f (n +1) = f(n) + 5 find slope. I don't know what f(0) means how do you solve this?

Please show how to find slope and rate of change for this.  Thank you
Math Help

08/27/18

My number has a tens digit that is 8 more than the ones digit. Zero is not one of my digits

Need help answering this question please 
Math Help Inequalities

08/27/18

You have wood that is 72 inches long. Make a picture frame whose length is 5 inches longer than the width.

Our topic is on inequalities and how to make them. I'm so confused on this one. Please help!
Math Help

08/27/18

Simultaneous Equations

Form a pair of simultaneous equations and solve them to find x and y, given that they are rational: x-2y+√x+y (whole surd as in surd x+y, not just surd x) = 1/2√6
Math Help

08/26/18

I NEED AN ANSWER ASAP, if a line passes through (1,-5) and (3,c) with a y-intercept of 7, what is the value of c

i just need an answer as soon as possible please
Math Help

08/26/18

Anita's speed is four miles per hour. Brother leaves 12 min after catches up 24 min after. Both constant running speed. What is brother miles per hour.

Both have constant jogging speed.  Brother leaves 13 min after sis. Sis 4 miles per hour. Brother catches up after 24 minutes.
Math Help

08/26/18

A lawn is 30 yards by 25 yards.One bag of fretilizer will cover an area of 100 square yards.How many bags o fretilizer does Ali need to buy ?

Ali , a Gardner is preparing to fertilizer a lawn.The lawn is 30 yards by 25 yards. one bag of fertilizer will cover an area of 100 square by 25 yards. how many bags of fertilizer does ali need to... more
Math Help

08/26/18

A paper store sales wrapping paper and bags. In the spring they ordered a ratio of 3:7 in wrapping paper and bags. To prepare for the holiday season they adjus.

A paper store sales wrapping paper and bags. In the spring they ordered a ratio of 3:7 in wrapping paper and bags. To prepare for the holiday season they adjust the order and use a ratio of 5:5.... more
Math Help

08/26/18

Express the number in the form a/b, where a and b are integers. (a). 27^(−2/3) (b). 81^(5/4)

Express the number in the form a/b, where a and b are integers. (a). 27^(−2/3) (b). 81^(5/4)
Math Help

08/26/18

I have a math question on how to solve this, the index is the 3 at the beginning : ^3√16a^5b^13

I just had a question on how to solve this equation and wasn't sure how to go about doing it.
Math Help Math

08/26/18

Jolene invests her savings in two bank accounts, one paying 4 percent and the other paying 8 percent simple interest per year. She puts twice as much in the low

Jolene invests her savings in two bank accounts, one paying 4 percent and the other paying 8 percent simple interest per year. She puts twice as much in the lower-yielding account because it is... more

08/26/18

Jolene invests her savings in two bank accounts, one paying 4 percent and the other paying 11 percent simple interest per year. She puts twice as much in the lo

Jolene invests her savings in two bank accounts, one paying 4 percent and the other paying 11 percent simple interest per year. She puts twice as much in the lower-yielding account because it is... more

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