3,003 Answered Questions for the topic elementary math
Elementary Math
10/25/21
need help with ones and tens
18 ones is the same as how many tens and how many ones
The angles of a triangle are (2m-20)°, 30° and (m+20)°. Find m.
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Elementary Math Algebra
10/22/21
\frac{2\left(a+b\right)}{a+b+c}\:\:a=1,\:b=2,\:c=3
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Solve for the Undistributed Fraction
A local supermarket distributes small pumpkins to its two chain store for fall season decorations. Store 1 gets 40 pumpkins. After distributing 4/7 of the leftover to Store 2, there are 24 pumpkins...
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Elementary Math
10/14/21
Finding an average score
Leah's average for the past three quizzes is 84. What must she make on the fourth quiz to increase her average to 88?
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Elementary Math
10/14/21
Math word problem
There are 7 times as many cars as there are trucks in a parking lot. If there are 49 cars in the parking lot, how many trucks are there?
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Elementary Math
10/11/21
A blue ray disc is on sale for $19. If this represents a 17% discount rate, what was the original price
A blue ray disc is on sale for $19. If this represents a 17% discount rate, what was the original price?
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Elementary Math
10/11/21
math measurment
joey wants to build a sandbox the perimeter is 400.8 meters and the length is 185.2 meters what is the width
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Elementary Math
10/09/21
Applications of Systems of Linear Equations
Amber invests $800 in one account and $2000 in an account paying 3 % higher interest. At the end of one year she had earned $172 in interest. At what rates did she invest?
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Elementary Math
10/08/21
fractions or decimals
2 1/4 = ?A. 5 - 2 3/4B. 5 — 2 1/4C. 5 — 3 3/4D. 5 — 3 1/4( which one is the answer ?)
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Elementary Math
10/07/21
the sum of two numbers is 15 and the difference is 5 what are the two numbers
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Elementary Math
10/06/21
If the perimeter of a rectangle is 24 and the length is 2 times the width what is the length and width
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10/05/21
Venn Diagram Problem
A cellphone company has 1000 employees, 615 are male, 682 are single, and 505 are union members. 475 are single male and 87 are single and union members, 120 employees are single male and union...
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Elementary Math
10/02/21
Need a tutor for math for fourth grade child
Can you tutor my granddaughter this Tuesday at 3:15 at my home. Then at the wiscasset rec center same day and time.
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09/29/21
What was this annual percentage increase?
From 1960 to 2000, the world's population doubled. The percentage increase per year is assumed to be the same. What was this annual percentage increase?
09/29/21
A car dealer sold cars
A car dealer sold cars for SEK 12 565 000 in 2010. This was an increase of 250% compared to 2009. How much did car sales make in 2009?
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09/29/21
What percentage discount did the store offer?
One deal attracted the following offer:Take three chocolate bars, pay for twoWhat percentage discount did the store offer?
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09/29/21
The value of electronics is falling
The value of electronics is falling quite rapidly. A reasonable assumption is that the value halves every year. In this case, what is the percentage decrease in the value of an electronic good over...
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09/28/21
Which number is X?
Which number is X?A+(20% of A) = BB+(20% of B) = CA+(X% of A)=C
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09/28/21
The proportion of people with a mobile phone
In one country, the proportion of people with a mobile phone increased from 1.5 per 10 inhabitants to 8.5 per 10 inhabitants in 15 years.a) What is the percentage increase?b) What further...
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Elementary Math
09/28/21
Pablo has ten dollars. He wants to buy 7 packs of gum. Each pack of gum costs $1.50. Does he have enough money?
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09/28/21
Venn Diagram: Solve using Venn Diagram
A cellphone company has 1000 employees, 615 are male, 682 are single, and 345 are union members 285 are single male and 187 are single and union members, 120 employees are single male and union...
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Elementary Math
09/25/21
math correlation coefficient for this data se
You generate a scatter plot using Excel. You then have Excel plot the trend line and report the equation and the r2 value. The regression equation is reported as y=-39.07x+70.92and the r2...
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Rounding Question
Round to the nearest whole number.0.592What is the new percentage?
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