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Post New Question
All Questions
+0
234838 Questions
0
433
3
+113
Can somebody please help?
Right now Mr. Rob is three times as old as his oldest son. The sum of their ages is 64. How old are they?
Answer all parts to the question below. Be sure to label each part with: a, b, c, d, or e.
a) Write a let statement
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joeman365
Mar 8, 2021
0
417
0
+113
Can Somebody Please Help?
Scientists estimate that the number of polar bears in Alaska in 2015 was 4,023. By the year 2018, that number had dropped to 3,711. The scientists want to model the polar bear population, p, as a function of the years, t, since 2000.
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joeman365
Mar 8, 2021
0
699
1
ratio
The ratio of the number of boys to the number of girls in a choir is 5 to 4. There are 60 girls in the choir. How many boys are in the choir?
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Guest
Mar 8, 2021
0
369
2
help asap now pls i need it urgently
The graph of the function is shown below. How many values of satisfy ?
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Guest
Mar 8, 2021
+2
470
1
+526
Algebra
If x, y abd z are positive with xy=24, xz=48 and yz=72, what is the value of x+y+z?
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amygdaleon305
Mar 8, 2021
0
400
2
geometric sequence
What is the sum of the geometric sequence 2, 10, 50, ... if there are 7 terms?
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Guest
Mar 8, 2021
0
330
1
I don't understand this!
Let f(x) be a quadratic polynomial such that f(-4) = -22, f(-1) = 2, and f(2) = -1. let g(x) = f(x)16. Find the sum of the coefficients of the terms in g(x) with even exponents. (for example, the sum of the coefficients of the terms in -7x3 + 4x2 +
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Guest
Mar 8, 2021
0
320
1
w*f
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Guest
Mar 8, 2021
0
356
1
algebra
Paddling with the current, a canoeist can travel 30 km in 5 hours. Against the current, the canoeist takes 6 hours and 15 minutes to travel the same distance. Find the rate of the canoeist in still water and the rate of the current.
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Guest
Mar 8, 2021
0
475
2
equation
Find all values of t such that 6^(3t - 1) = 36^t.
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Guest
Mar 8, 2021
0
348
1
geometry work
help plz
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Guest
Mar 8, 2021
0
422
2
Given the length of the rectangle is 1/3 times the width. The perimeter is 24cm. What is the area of the rectangle?
Given the length of the rectangle is 1/3 times the width. The perimeter is 24cm. What is the area of the rectangle?
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Guest
Mar 8, 2021
0
563
1
slope-intercept form
Put the following equation of a line into slope-intercept form, simplifying all fractions.
12x - 4y = -12
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Guest
Mar 8, 2021
0
324
1
linear equation
Solve the following equation for x. Express your answer in the simplest form.
8(2x - 4) = -4(-4x + 8)
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Guest
Mar 8, 2021
0
457
2
Geomatry help please
The two externally tangent circles each have a radius of 1 unit. Each circle is tangent to three sides of the rectangle. What is the area of the shaded region? Express your answer in terms of pi
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Guest
Mar 8, 2021
0
334
1
help geo
What is arc CD?
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Guest
Mar 8, 2021
-1
558
1
algebra question
The mean age of 5 boys is equal to 9.8. Furthermore, the mean age of 15 girls is 10.2. The mean age of the 20 children together is equal to?
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Guest
Mar 8, 2021
0
513
1
Help please!
Let a and b be real numbers such that a^3+3ab^2=679 and 3a^2*b+b^3. Find a+b.
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Guest
Mar 8, 2021
0
1049
1
tangent
UV is tangent to W at point U. What is the value of x?
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Guest
Mar 8, 2021
0
357
1
help please
A man is trying to enclose a round pasture. He has 240 feet of fence. How big(area) of a pasture can he enclose?
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Guest
Mar 8, 2021
0
334
2
Help
The faces of an octahedral die are labeled with digits 1 through 8. What is the probability, expressed as a common fraction, of rolling a sum of 15 with a pair of such octahedral dice?
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Guest
Mar 8, 2021
0
343
1
hemisphere
The area of the base of a hemisphere is 100pi. What is the radius of the hemisphere?
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Guest
Mar 8, 2021
0
236
0
helpp
When solving word problems, it is important to _____.
identify variables
line up equal signs
label answer
show all work <#> all the above
Guest
Mar 8, 2021
0
327
1
arithmetic sequence
The fifth term of an arithmetic sequence is 9 and the 32nd term is -84. What is the 23rd term? PLEASE HELP!
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Guest
Mar 8, 2021
0
527
2
+215
Please help, show and/or explain your work, help ASAP
I figured out the other one, now I have a new one.
A rectangular tank with a base area of 24 cm2 is filled with water and oil to a depth of 9 cm. The oil and water separate into two layers when the oil rises to the top. If the
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alston
Mar 8, 2021
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