02/10/20

If James were twice as old as he is now, he'd be three times as old as he was three years ago. How old is James now?
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01/30/20

Math help quantitative reasoning

im a local election 36,700 people voted. This was an increase of 5% over the last election. How many people voted in the last election
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01/29/20

In ΔGHI, \overline{GI} GI is extended through point I to point J, m∠GHI = (x+10)^{\circ}(x+10) ∘ , m∠IGH = (x+12)^{\circ}(x+12) ∘ , and m∠HIJ = (4x-6)^{\circ}(4x−6) ∘ . Find m∠GHI.
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01/26/20

how to solve for the answer
Suppose you have entered aa 149149​-mile biathlon that consists of a run and a bicycle race. During your​ run, your average velocity is 66 miles per​ hour, and during your bicycle​ race, your... more
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01/26/20

Algebra homework

What is the x-coordinate of one solution to the following system? y=5x^2-50x+126y=2x^2-16x+35A. 13.67B. 35.33C. 7.00D. 20.52
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01/26/20

need help solving this
f(x)=x^2+6x+5 Find the value of the vertex (turning point.
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01/26/20

Algebra homework

Which value of k below will result in the following system having no solution ?y=kx+4y=(x+3)^2+kA. k = -1B. k = 2C. k = -4D. None of these choices.
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01/08/20

Find dy/dt at x=4 if y=2x^2+4 and dx/dt=−4
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11/22/19

Suppose you ask a friend to randomly choose an integer between 1 and 10, inclusive. What is the probability that the number will be more than 5 or odd? (Enter your probability as a fraction.)
Addition and complement rule studying
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11/22/19

ANSWER PLEASE I NEED HELP
A random survey was conducted to determine the cost of residential gas heat. Analysis of the survey results indicated that the mean monthly cost of gas was $125, with standard deviation of $10.if... more
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11/21/19

Calculus Question
Suppose that 2 ≤ f '(x) ≤ 3 for all values of x. What are the minimum and maximum possible values of f(8) − f(3)? ≤ f(8) − f(3) ≤
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11/21/19

Calculus I question
If f(2) = 4 and f '(x) ≥ 2 for 2 ≤ x ≤ 7, how small can f(7) possibly be?
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11/21/19

Rolle's Theorem
Verify that the function satisfies the three hypotheses of Rolle's Theorem on the given interval. Then find all numbers c that satisfy the conclusion of Rolle's Theorem. (Enter your answers as a... more
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11/20/19

Precalculus word problem

During a one-month promotional campaign, Fran's Fix gave either a free DVD rental or a 12-serving box of microwave popcorn to new members. It cost the store $1 for each free rental and $2 for each... more
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11/20/19

Write an equation in slope-intercept form for the line that passes through the given point and is parallel to the given line. (−3,5);y=(1/2x)+4
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11/17/19

Sequences and series
1.) Note the pattern shown below. a. What would the next image look like? Insert it below. b. How many squares would be in the 10th image? c. How many squares would be in the nth image? d. What... more
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11/06/19

The screening test for Crohn's has a sensitivity of 80% and a specificity of 90.2%.

The screening test for Crohn's has a sensitivity of 80% and a specificity of 90.2%. Assume that this test is applied to the group of approximately 3.3 million Americans who suffer from symptoms... more
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03/19/19

Combinations [fundemental counting principal]?
> How many 3-digit integers can be chosen such that none of the digits > appear more than twice and none of the digits equal zero? I have approached the following problem like this. 1. We... more
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01/27/19

what is the next sequence number of -50 -14 0 186 200?
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