09/14/21

Math, trigonometry
Suppose the angle of elevation of the sun is 30 degree. find the length of the shadow of a 5.5 feet tall person? A 15 feet long ladder is leaning against a vertical wall. if it makes an angle of... more
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09/14/21

Math, Trigonometry
Molly and James are on the opposite sides of a river. To find the width of the river, each of them hammers a stake on his/her bank of the river on such a way that the distance between the two... more
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09/14/21

Pls sove this problem of maths
Simplify: 6√72 −√18 −8√32
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09/14/21

Math- what is 6000 to the power of
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09/14/21

Math - what is 6000 to the power of 10
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09/15/21

Percentage Ratio Math Problem
For every pound of flour a baker adds 2.2 oz. of additives. If there is 15% of additive A, 25% of additive B and 60% of additive C how many ounces of each additive will be added per pound?
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09/15/21

Solve this math problem if you can
if 2 pistons = 3 heats , then 9009 heats = -------------pistons
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09/16/21

6th grade math help please :)
lisa baked some cookies. she gave 1/4 of the cookies to her friend and 1/6 of them to her sister. she had 245 cookies left . what fraction of the cookies did she have left?
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09/16/21

Quadratic equations

h(t)=-16t2+v0t+hI have 2 questions on my daughters math and I’m lost.A. Write the equation that would model the height of a water balloon if a student drops it from a bridge with a height of 300... more
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09/16/21

Math (prodigys)
the sum of 2 numbers is 19 and their difference is 3
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09/16/21

IM TRYING TO DETERMINE ANSWER TO MATH PROBLEM
what number has 100, 3 more ones than hundreds, 3 more thousands than hundreds, and 8 more tens than hundreds
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09/16/21

MAth question need help
two angles are supplementary. One angle is 19 times more than the other angle. What is the larger angle?
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09/16/21

Working with Formulas
In math class, you have the following scores: 77 , 82 , and 73. If the last test has a maximum of 100 points, what score do you need for an average of 80?
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09/16/21

I am inundated with homework! I have an essay to write, twenty math problems, and an outline for a science fair project to do. What does “inundated” mean?
Tell what the word, "inundated," means. Tell how you figured it out by looking at the sentences.
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09/16/21

Algebra 1 math 9th grade
twenty five divided by the difference of a number and two As an equation
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09/16/21

how to solve this math question? increasing, decreasing?
Question is k(t) = 3t2/3-twhat is the local minimum and maximum also, what is each function to estimate the intervals on which the function is increasing and decreasing?
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09/17/21

Water heater math problem
 A solar water heater costs about $6240 to install (after rebates). A traditional gas water heater costs about $850, and costs about $320 per year to run. The average annual cost to run the solar... more
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09/17/21

math assignment
At a carnival Billy bought 21 tickets. If he used 7 tickets trying to win the ring toss game, what is the ratio of tickets he has to tickets he's used?
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09/17/21

Math running problem
A 160 lb person who runs at 8mph for 1 hr burns about 840 calories. the same person walking at 4 mph for 90 min burns about 480 calories. Suppose a 160 lb person runs at 8 mph for 75 min. How far... more
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09/18/21

3.1 Math question
Is (1, -5) a solution of 2x-7?
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09/19/21

a) What molecule makes up the majority of 0.020 M LiF (aq)?

(M stands for molarity - moles/L). Hint: no math needed.b) What element makes up the majority of atoms, by mass?
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09/20/21

Evaluate for math
X^2+3XY^2 when X=-3 and Y=2
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09/20/21

Math length and width
The length of a rectangular vegetable garden is 5 feet less than twice the width. the perimeter of the vegetable garden is 32 feet. find the width and the length of the veg garden use formula P=2L+2W
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09/20/21

math length & width
The length of a rectangular vegetable garden is 5 feet less than twice the width. the perimeter of the vegetable garden is 32 feet. find the width and the length of the veg garden use formula P=2L+2W
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09/20/21

Could someone help me on this Proof please?
We went over this question today in class and I don't understand it. Could someone help?Let a and b be integers. Prove that a<b if an only if a≤b-1What I did was rename a and b, x and x+1... more
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