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Questions (44)

The radius of a circular mirror is increased by 2 inches due to its decorative border. This increases the area by 113 square
1. 1 answer
2. 2,278 views
samir is twice as old as babul was two years ago.if the difference is 2 years how old is samir is?
1. 2 answers
2. 1,966 views
what is the particular integral of xe^x??
1. 1 answer
2. 573 views
A programme to compute the area of a circle where the radius is less than 100 square units then your programme should print"the
1. 1 answer
2. 469 views
dy/dx+(1/x)y=3x^2y^3 find the solution using Bernoulli equation
1. 1 answer
2. 472 views
Equation: x^2+y^2 =2x +4y. Given that dy/dt =6, ﬁnd dx/dt when (x,y) = (1+√2,2+√3).
1. 0 answers
2. 417 views
lim x→0 of [2-cos3x-cos4x]/(x)
1. 1 answer
2. 1,407 views
lim x→0 of [tan(3x^2) + sin^2(5x)] / (x^2)
1. 3 answers
2. 2,603 views
Find a value of the constant k, if possible, that will make the function continuous for all values of x. f(x)=9-x^2 if x >= 0,
1. 1 answer
2. 1,396 views
A salesman may draw a fixed salary of $10000 per month and a 2% commission sales or he can draw a fixed salary of $4000 per
1. 1 answer
2. 567 views
A trained bulldog can run for 5 hours at a rate of 20 mph while it can run for for only 2 hours at a speed of 25 mph.the
1. 1 answer
2. 512 views
what is the acute angle between the hands of hour and minute at 6:25?
1. 1 answer
2. 487 views
three right angles have vertices at the center of the circle .if the radius of the circle is 8,what is the combined area of the
1. 1 answer
2. 589 views
what is the acute angle between the hands of hour and minute?
1. 1 answer
2. 416 views
if the side of a square is increased by 150 percent.by what percent does the area increase?
1. 1 answer
2. 549 views
What is the greatest number of rectangles with integer side lengths and perimeter 10 that can be cut from a piece of paper with
1. 1 answer
2. 670 views
A store usuall sells a certain item at 40%profit. One week the store has a sale, during which the item is sold for 10% less than
1. 2 answers
2. 3,213 views
if the taxi fare is c cents for the first quarter mile and s cent for each additional quarter mile ,what is the charge ,in cents
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2. 1,731 views
if #x=x^2-x for all whole numbers then #(#3)=?
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2. 1,472 views
In a course a student's final exam is weighted as heavily as his mid term exam.if a student receives a score of 84 on his final
1. 5 answers
2. 3,764 views
Let f(x)=x+1‾‾‾‾‾√ and g(x)=3x−5.Find f∘g and g∘f, and their respective domains. 1. (f∘g)(x)= 2. What is the
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What is 1/8 written as another fraction
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How much heat in joules is required to heat a 44g sample of aluminum from 76 F to 148 F?
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2. 475 views
write 14 over 4000 as a decimal
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2. 377 views
The point of inflection for graph x^3/3-x^2-3x+7 I cannot seem to find it as stated.
1. 4 answers
2. 433 views
2 / (x-1)^3 + 3 / (x-1)^2 + 4 / x-1Two of us get 4x^2 - 5x + 3 / (x-1)^3 The book gives 4x^2 - 5x + 3 / (x-1)^3 Can anyone help
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2. 341 views
45 ÷ 6t x 11xI have already posted this question and received an answer. However, brackets weren't used and so still seeking
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45x divided by 6t x 11xI have tried to work this out, however, do not understand it at all. The book gives an answer of (55x
1. 5 answers
2. 577 views
(12x + 5t)-(14t-6x)12x + 5t - 14t -6x ( I get lost here when the -6x changes to +6. Same as this question: (5x + 2z)-(2x - 11z)
1. 1 answer
2. 506 views
Martha is flying to England for a visit. She intends to exchange her U.S. dollars for English pounds. The exchange rate allows
1. 3 answers
2. 627 views
Find 1/2 of 1% of 190.190 x .01 = 1.9 1.9/2 = .95 This is what I have been doing. However, the answer is 19/20 and there isn't
1. 1 answer
2. 546 views
james has a metal frame with an 8.32 inch perimeter. If the sides are 0.04 inches thick, what is the perimeter of the inside of
1. 4 answers
2. 1,471 views
A British company is sending you measurements for a table to build in your factory. The table top must be 50 cm × 75 cm. Your
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2. 1,714 views
A dynamite blast at a quarry launches a rock straight upward, and 2.0 s later it is rising at a rate of 15 m/s. Assuming air
1. 2 answers
2. 1,174 views
A Boeing 747 "Jumbo Jet" has a length of 59.7 m. The runway on which the plane lands intersects another runway. The width of the
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2. 1,001 views
A speedboat starts from rest and accelerates at +1.69 m/s2 for 7.18 s. At the end of this time, the boat continues for an
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2. 625 views
A diver runs horizontally with a speed of 0.759 m/s off a platform that is 10.0 m above the water. What is his speed just before
1. 0 answers
2. 534 views
An airplane is flying with a velocity of 240 m/s at an angle of 30.0° with the horizontal, as the drawing shows. When the
1. 3 answers
2. 973 views
a rifle that has been ‘sighted in' for a 91.4-meter target. If the muzzle speed of the bullet is v0 = 328 m/s, there are the
1. 3 answers
2. 1,324 views
Suppose that you loft the ball with an initial speed of 15.0 m/s at an angle of 50.0° the horizontal. At this instant your
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2. 673 views
An airplane with a speed of 94.9 m/s is climbing upward at an angle of 63.2 ° with respect to the horizontal. When the plane's
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2. 541 views
A diver runs horizontally with a speed of 0.759 m/s off a platform that is 10.0 m above the water. What is his speed just before
1. 0 answers
2. 459 views
Hopkins's use of "seared," "bleared," and "smeared" is an example of
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2. 508 views
later and then are what part of speech
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2. 371 views

Answers (17)

14
In a course a student's final exam is weighted twice as heavily as his mid term exam.if a student receives a score of 84 on his final exam 90 on his midterm,what is the average for the course? as final exam is weighted twice then 84*2=168 then 168+90=258
I got it thank you so much it makes much more sense when you help me.
but what would y be?
(55x2)/t
I forgot to put the x after the 45. And I don't understand what you mean. Sorry. 45x ÷ 6t x 11x Note: I am studying to get my GED's so I can go back to school. I never touched on any of this.
it isn't in brackets. 45 ÷ 6t x 11x Thank you so much for your help.
I am working out of Mathematics Made Simple. I find it very hard to learn from, however, is the only book I have.
would you be able to explain how this is worked out?
The book I am learning from gives an answer of 750 pounds. I am working out of Mathematics Made Simple fifth edition. It doesn't show the work. It shows me one way of doing certain problems and then changes. frusterating? Thank you for your help.
I figured it out. I converted .95 to a fraction. :)
It only says a metal frame. Thank you so much for helping me with this so quickly. :)
a. is 34.6 so would b) be v=34.6-(9.8)(4.2)
what would be the smaller angle because 89.76 is the larger angle
i ask my teacher he said it wasn't right
no im not using two different names..
thanks for the help i just had the spelling sheet now

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