6,938 Answered Questions for the topic mathematics

Mathematics

04/13/21

A local government had an employee reduction and lost 1/14 of its employees. If 286 of its employees were left after the reduction, how many employees were there originally?
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Mathematics Math Calculus Precalculus

04/13/21

Use the graph of f(t) = 2t + 1 on the interval [-1, 4] to write the function F(x), where f of x equals the integral from 2 to x of f of t dt

 Use the graph of f(t) = 2t + 1 on the interval [-1, 4] to write the function F(x), where  A.) F(x) = x2 + 3xB.) F(x) = 2x + 1C.) F(x) = x2 + x - 20D.) F(x) = x2 + x - 6
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Mathematics Math Calculus

04/13/21

growth rate calculus question help
stuck on this question. any help appreciated.Compare the growth rate of the functions f(x) = 4x and g(x) = A. f(x) grows faster than g(x).B. f(x) and g(x) grow at the same rate.C. g(x) grows faster... more
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Mathematics Math Calculus Algebra

04/13/21

If f '(x) is always increasing, which statement about f(x) must be true?

f is a function that is differentiable for all reals. The value of f '(x) is given for several values of x in the table below. If f '(x) is always increasing, which statement about f(x) must be... more
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Mathematics Math Calculus

04/13/21

growth rate calculus question help
stuck on this question. any help appreciated. Compare the growth rate of the functions f(x) = 4x and g(x) = A. f(x) grows faster than g(x).B. f(x) and g(x) grow at the same rate.C. g(x) grows... more
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Mathematics

04/13/21

Jar of Marbles Puzzle
A jar contained 50 marbles. Of the 50 marbles, 90% of them were red and the remainder were green. Some of the red marbles were removed from the jar and after this, 75% of the marbles in the jar... more
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Mathematics Slope Intercept Form

04/12/21

A line passes through the point (4,2) and has a slope of - 5/4. Write an equation in slope-intercept form.
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04/12/21

NEED HELP! CAN YOU EXPLAIN TO ME WHAT I AM SUPPOSE TO DO OR HOW TO SOLVE THIS QUESTION.
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Mathematics Math Science Chemistry

04/12/21

can you explain this question in simple terms

What is the solution of x/9 = 42/54?
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Mathematics Math Fractions

04/12/21

TECH MATH FRACTION WORD PROBLEM HELP!
A family budgets their monthly income as follows: 1/3 food, 1/4 rent, 1/10 clothing, 1/5 savings, and the remainder for miscellaneous expenses. What fractional part is left for miscellaneous... more
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Mathematics Sat Math Act Math

04/12/21

write each sum as a product of two factors 7g+ 14h + 21i
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Mathematics

04/12/21

Sue and Tasha tickets
Sue and Tasha are selling raffle tickets for their school fundraiser. Tasha has sold twelve more than twice the number of tickets sold by Sue. Together, they have sold a total of 72 tickets. How... more
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Mathematics Math Maths

04/12/21

The equation of x^{2}y^{2}=64 creates a graph representing a cross pattern. Is there a name for this type of graph?
This was done on an online graphing calculator. I talked with my math teacher and she says she doesn't know what the name of the graph would be. Just for curiosity, not part of an assignment.
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Mathematics Math Geometry Sat Math

04/12/21

What is m∠XYQ? A line segment QY intersects another line segment XZ at the point Y to form the angles XYQ and QYZ measuring (10a+2) degrees and (5a-2) degrees respectively. m∠XYQ =
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Mathematics Math Calculus Physics

04/12/21

PLEASE HELP - The number of bacteria in a sample is increasing according to an exponential model.

The number of bacteria in a sample is increasing according to an exponential model. After three hours, the sample contained 100 bacteria. After nine hours, the sample contained 400 bacteria. Write... more
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Mathematics

04/12/21

mean score of 80 and a standard deviation of 5. Percentage of students that scored between 70 and 90?
mean score of 80 and a standard deviation of 5. Percentage of students that scored between 80 and 90? plzzzzzz helppppp will failllll if I do this wrong. Help!!!!!!!!!!!!!!!!!!!!!!!!!
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Mathematics

04/12/21

Two positive numbers are in the ratio 4:5. If the sum of the number is 126, the the smaller number ______?
Two positive numbers are in the ratio 4:5. If the sum of the number is 126, the the smaller number is ______ and the larger number is_____? If the product of the number is 500, then the smaller... more
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Mathematics

04/12/21

What is -59/8 as a mixed number
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Mathematics Math Calculus Ab Calculus

04/12/21

I need some help with math

For 0 ≤ t ≤ 12 , a roller coaster car has position (x(t),y(t)) with velocity vector ⟨10, −tsin(πt/4)⟩ , where x(t) and y(t) are measured in meters and t is measured in seconds. At time ... more
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Mathematics

04/12/21

The number of boys and girls in a club are in the ratio 2:3. there are 21 girls in the club. How many boys are there?
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Mathematics

04/11/21

please help i need help
Mr. Walker invested $65,100 in two banks, one paying 4.5% and the other 6%. If he gets $231 more on the 6% investment than that on the 4.5% investment, find the total annual income from the banks.
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Mathematics Calculus

04/11/21

Using Linear Approximation, estimate Δf for a change in x from x=a to x=b. Use the estimate to approximate f(b), and find the error using the calculator. f(x)=x1/3, a=8, b=10.
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Mathematics Calculus

04/11/21

4 is the cube root of 64. Use the Linear Approximation for the cube root function at a=64 with Δx=1.4 to estimate how much larger the cube root of 65.4 is, i.e., 65.4−−−−√3−64−−√3≈
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Mathematics

04/11/21

Solve for x: ln(6x +3) = 2
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Mathematics Math Maths

04/11/21

Terms and sequence
The first four terms of a number sequence is given as follows:2, 3/2, 4/3, 5/4,...........a) Write down the n th term, in terms of n.b) Is the 229/227 number in this sequence? Explain your answer.
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