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234773 Questions
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227
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help math
The difference between two numbers is 36. Four times the smaller is equal to 3 more than the larger. What are the numbers?
Guest
Aug 21, 2021
0
239
1
help please
The complete graph of y=f(x), which consists of five line segments, is shown in red below. (On this graph, the distance between grid lines is 1.) What is the sum of the x-coordinates of all points where f(x) = 1.8?
read more ..
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Guest
Aug 21, 2021
0
302
1
plz help asap
The area of a trapezoid is 60. The length of one base is 7 units greater than the other base, and the height of the trapezoid is 5. Find the length of the median of the trapezoid.
thank you so much
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Guest
Aug 21, 2021
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477
1
+41
FUNCTION COMP!!!
If $t(x) = 9+2f(x)$ and $f(x) = x^2-3$, then what is $t(f(-2))$?
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CENTTRAL
Aug 21, 2021
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212
0
FUNCTION COMPOSITION HELP!!!
If $t(x) = 9+2f(x)$ and $f(x) = x^2-3$, then what is $t(f(-2))$?
Guest
Aug 21, 2021
0
332
1
URGENT PLEASE HELP ASAP
The quantity $\sqrt{45} - 2\sqrt{5} + \frac{\sqrt{360}}{\sqrt{2}}$ can be expressed as $\sqrt{N}$, where $N$ is an integer. Find $N$
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Guest
Aug 21, 2021
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237
1
coordinates
Line S goes through the points (-3, 1) and (2,6). Line T goes through the points (0, 3) and (-2, 7). What is the point of intersection of line Sand line T.
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Guest
Aug 21, 2021
0
220
0
help with math
Luisa found great deals on the target dollar spot. She bought 35 items and spent a total of 100 dollars on earbuds (2 dollars each) and fuzzysocks (3 dollars each). How many earbuds did she buy? how many fuzzy socks did she buy?
Guest
Aug 21, 2021
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199
0
Probability
We flip a fair coin 10 times. What is the probability that we get heads in exactly 8 of the 10 flips?
Guest
Aug 21, 2021
0
242
0
math
A rectangular tennis court is 78 ft long and 36 ft wide and is surrounded by auniform pathway. If the total area of the tennis court along with the pathway measures 3280 ft, find the width of the pathway.
Guest
Aug 21, 2021
0
315
1
help plz
The measure of the middle angle of a triangle is twice the smallest angle. The sum of the middle angle and the largest angle is 5 times the smallest angle. Find the measures of the angles.
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Guest
Aug 21, 2021
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205
0
Number Theory
What is the last digit of 8627^551?
Guest
Aug 21, 2021
0
262
1
help algebra
Simplify $\frac{1+\sqrt{2}}{2+\sqrt{5}}$. Your solution can be converted to the form $-A \sqrt{A} + \sqrt{B} + \sqrt{C} - D$, where A, B, C, and D are positive integers. What is $A+B+C+D$?
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Guest
Aug 21, 2021
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238
1
URGENT PLEASE HELP!!!
Solve for $x$:$$\sqrt[3]{3-\frac{1}{x}}=-4$$
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Guest
Aug 21, 2021
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393
1
+197
Help please
The graph of is shown in red below. For how many values of is ?
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icecreamlover
Aug 21, 2021
0
449
3
+68
can someone check my answer
the radius of a circle measures 11 inches a central angle measuring 5pie/9 cuts off a sector
what is the area of the sector?
enteer your answer as a simplified fraction in the boc
area= answer inches squared
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lendsey
Aug 21, 2021
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414
2
save me plz i cant get this wrong
which of these are correct os far all i could figgure out were
cos(x)/sin(x)+sin(x)/cos(x)
cos^2+sin^2/sin(x)cos(X)
but idk if these are even right
read more ..
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Guest
Aug 21, 2021
0
421
3
someone help
What is the exact value of cos (x/2)?
Enter your answer, in simplest radical form, in the box.
cos (x/2) = ___
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Guest
Aug 21, 2021
0
364
0
+68
Consider the infinite series defined by
Consider the infinite series defined by
∞ ∑ (2n! /2^(2n))
n=1
(a) What is the value of r from the ratio test?
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lendsey
Aug 21, 2021
0
334
0
+68
What is the sum of the first 8 terms of the geometric series?
What is the sum of the first 8 terms of the geometric series?
120-80+160/3-320/9+...
Express your answer as a simplified fraction.
lendsey
Aug 21, 2021
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