09/25/20

Word Problem... Help!
The length of a new rectangular playing field is 3 yards longer than triple the width. If the perimeter of the rectangular playing field is 406 yards, what are its​ dimensions?
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09/25/20

A compound is isolated from the rind of lemons that is found to be 88.14% carbon and 11.86% hydrogen by mass. Part B how many moles of C and H? 140.0 grams by substance

Express your answers using three significant figures separated by a comma.
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09/25/20

In the U.S., cigarettes are smoked at the rate of 2.0 x 10^4 cigarettes/s. At this rate, how many are smoked in one day?
Show your work with dimension analysis method.
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09/25/20

Given the following. 2 fardells=1 nooke, 4 nookes=1 yard, and 4 yards=1 hide. How many hides in 15 nookes?
Give answer with dimension analysis method. Help?
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09/25/20

Y=-5x+1, in this equation the slope is -5 and the y-intercept is 1.
What is the slope and y-intercept of y=4x-7
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09/25/20

I need help with Algebra 1 I really do not want to fail.
The larger of two numbers is one more than four times the smaller number. If the sum ofthe numbers is 106,what are the numbers?
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09/25/20

I need help, I have algebra 1
So this is the question. "In the formula for surface area of a sphere S=4pir^2 , solve for r."I emailed my teacher for help she said to get the r by its self. And I have this problem in Get More... more
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09/25/20

A rectangular vegetable garden has a area of 66 square feet. The length of the garden is 1 foot less than twice the width. Find the dimensions of the vegetable garden.
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09/25/20

which of the following is an equation of the line that passes through the point (-2,3) and is it’s perpendicular to the graph of the equation y= 3x - 2

a. y = -1/3x + 7/3 b. y = -1/3x + 11/3 c. y = 3x + 9 d. y= 3x - 3
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09/25/20

this question hurts my brain

dylan walks into a video arcade with a pocket full of quarters. He spends them at a rate of nine every half hour until he runs out. If the amount of quarters Dylan has is graphed overtime, which... more
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09/25/20

 Stoichiometry topic
1.How many moles of sodium are in a frozen pizza containing 4.20 g? 2.How many molecules of the fictional metal adamantium are in 853 moles (the approximate number of moles of metal found in... more
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09/24/20

A catalog-printing company receives a total amount C for each print job, which includes a set up charge S and $0.06 charge per page P for each job. what rule describes the situation?
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09/24/20

Women bought some large frames for $18 each and some small frames for $6 each at a close out sale. If she bought 18 frames for $144, find how many of each type she bought?
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09/24/20

The length and width of a rectangle are consecutive even integers, and the length is l cm.
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09/24/20

how come i got false as my answer ?

The formula for the area of a triangle is A= 1/2 bh, where b is the base of the triangle and h is the height of the triangle. What is the length of the base in the area is 32cm squared and the... more
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09/24/20

Law of definite composition

Suppose a compound of sodium and chlorine is formed in the ratio of 1.54g of chlorine for each gram of sodium. How much sodium would you need to completely react with 45.0g of chlorine?
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09/24/20

Please help! Use the following situation to answer the question below
Amanda was given a 5 week old kitten for her b day. The table shows how the kitten’s weight changed over the next 5 weeks. The graph shows time with the numbers 5,6,7,8,9,10 and underneath... more
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09/24/20

Right equation of the line in points of form that passes through the .2, -8 a slope of -3 over four
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09/23/20

Eighth Grade Science
Heat energy, Q, is calculated by multiplying the mass of the object in grams, m, by the change of temperature, mΔT, and the specific heat, Cp, of the material.Q = mΔT(Cp) Calculate the heat lost... more
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09/23/20

Kiran at the Carnival
Write an equation to represent the relationship between the dollar amount Kiran is spending and the number of games, , and the number of rides, , he could do. Which graph represents the... more
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09/23/20

How do you write seven more than six times a number is equal to 25
How do you show the equation seven more than six times a number is equal to 25
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09/18/20

Consider the following unbalanced chemical equation.

C5H12(l) + O2(g) → CO2(g) + H2O(l)If 40.0 grams of pentane (C5H12) are burned in excess oxygen, how many grams of H2O will be produced? ______ g H2OAlso,LiOH(s) + CO2(g) → Li2CO3(s) + H2O(l)If 87.7... more
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09/17/20

A number m is less than -3 or greater than or equal to 1
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09/17/20

Determine the number of molecules of NF3 and moles of fluorine contained in 7.09 moles of NF3.
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09/17/20

How do I find the molarity and number of ions in this question

A 54.0 mL solution had 5.90g of MgCl2 and 2.10 g of NaHCO3 dissolved with it. What is molarity of NaHCO3 in solution? What is molarity of chloride ions in solution? how many ions are there in... more
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