7,188 Answered Questions for the topic Math Help

Math Help

04/25/18

A shape made with rectangles that has a perimeter and area of 152

This is from CPM course 1 chapter 8 lesson 8.1.5 question 8-69. I really need help with this.

Why is the standard form of 11y=-2x-33, is 2x-11y+33=0?

If the standard form of 7y=4x+63 is 4x-7y+63=0. Only the sign of the 7y has switched. How came all the sign switched for 11y=-2x-33 ? Please help me 
Math Help Math Math Questions

04/25/18

Write the equation of the line in slope-intercept form that passes through the point (3,7) and is parallel to the line y = 3x + 4.

Hey, I'm having a little trouble with this question, and I was hoping that I could get some help! Thank you!
Math Help

04/25/18

what is the angle of elevation of the sun when a tree 6.25m tall casts a shadow 10.1m long?

 Can you please show me the work needed to get this answer and what trig function did you use. 

04/25/18

nintey-six eggs were used before 8:00 am. if 144 eggs were used in 2.5 hours, how many eggs were used after 8:00 am?

i need a awnser for this and a Equation to go with it. please asap
Math Help Alegbra

04/25/18

Solving with Radicals. Help

Could someone help me with this problem everyone seems to not understand what is being asked when I submitted this question before   x-1=√7-x
Math Help

04/24/18

what 2 numbers multiply to 3.1

im studying for my state test and i need help to find out what two numbers multiply to 3.1
Math Help Algebra

04/24/18

The area of a triangular block is 36 square inches. If the base of the triangle is twice the height, how long are the base and the height of the triangle?

 The area of a triangular block is 36 square inches. If the base of the triangle is twice the height, how long are the base and the height of the triangle?
Math Help Alegebra Homework

04/24/18

9.1 Practice - Solving with Radicals please provide help

6) x−1=√7−x
Math Help Math

04/24/18

mark travels 72.13 miles on a bicycle in 7.9 hours. What is his average speed to the nearest tenth

miles and hours 
Math Help Math Exponents

04/24/18

How do I solve r with 2 as a exponent over 2r with 3 as a exponent

My teacher is teaching us a new concept and I don't quite understand it. Please help me. If you can, please explain how to do (3k) with 4 as a exponent inside the ()  and another 4 exponent outside... more
Math Help

04/24/18

Math Help Please

You invested $25,000 in two accounts paying 7% and 8% annual interest, respectively.If the total interest earned for the year was $1830, how much was invested at each rate?
Math Help

04/24/18

Math question

You are choosing between two health clubs. Club A offers membership for a fee of $24 plus a monthly fee of $17.Club B offers membership for a fee of $ 12 plus a monthly fee of $21. After how many... more
Math Help

04/24/18

What are the ordered pairs of y= 3x - 1 (4,13)

I need to learn how to do this so I can take a test by tomorrow

04/23/18

Teresa sold t-shirts at a festival and made a profit of $51.00. She made $3.00 for each t-shirt she sold. Her total expenses were $27.00

Write an equation that could be used to answer the question above. How many t-shirts did she sell?

04/23/18

whats 33750 to the power of 60

show details and answer 
Math Help Algebra 2 Algbr

04/22/18

How can you tell whether data in a table represents a function?

How can you tell whether data in a table represents a function? 

04/20/18

How much does each box weigh?

A fruit company delivers its fruit in two types of boxes: large and small. A delivery of 7large boxes and 9small boxes has a total weight of 234 kilograms. A delivery of 5large boxes and 3small... more
Math Help

04/20/18

Write the formula for absolute value function if its graph has the vertex at point (−2,5) and passes through the point (3,−10).

Please tell me what the formula is if it starts with y= 
Math Help

04/20/18

The value of y is direction proportional to the value of x. If y = 35 when x = 140, what is the value of y when x = 70? y =

The value of y is direction proportional to the value of x. If y = 35 when x = 140, what is the value of y when x = 70?y =
Math Help

04/20/18

write the addition sentence that is shown on the number line

there is a number line with a blue line and a arrow but the line and arrow don't have nothing 

Pythagorean Identity!

Please help!   Use the Pythagorean Identity Sin^2 t +Cos^2 t =1 and give information to find Cos t   Sin t = 2 Square root 2/ 3; 0 Less than or equal to T less then pi/2.     Answer Given... more
Math Help Math Pre Algebra

04/19/18

is o.4 over 0.8 a rational or irrational number?

0.4 ___   0.8  

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