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Questions and answers by visitors named
math
, page 3
Questions (557)
Khamis earns 55dollars per week working part-time at a book store. He makes one dollar more for each book that he sells. The
3 answers
394 views
x+2y=4
4 answers
301 views
solve the system of equations using the substitution method.
y=2x-5 3x+4y=-9
3 answers
729 views
k
_ 6 > 4
1 answer
153 views
solve each system by elimination
15x - y = 3 5x - 10y = 30 im stuck with what to do first
3 answers
790 views
what did I do wrong my teacher said that hey are all integers, no fractions or decimals
solving sytems of equations by
1 answer
239 views
4x-4=3x-2
im confused of the steps/ how to solve. My teacher did it weird so searched google and it was weirder. help is
1 answer
230 views
What function has 2 vertical asymptotes at x=-3/2 and x=3/2 and a horizontal asymptote at 3/4? I know that the coefficients of
3 answers
354 views
A crane lifts 1�tonne of concrete through a height of 25�m. How much work does it do?
1 answer
253 views
A soup bowl has a cross section with a parabolic shape, as shown in the figure. The bowl has a diameter of 8
inches and is 2.5
4 answers
1,272 views
If x-1 is a factor of 2x^3+3x^2+kx+3, then what is k?
1 answer
284 views
What is the sum of the roots of the equation
(x^2-4x+4)(x+2)(x-8) = 0 I thought it was 8 but the teacher said it's wrong
4 answers
395 views
In the equation x^2+kx+12 one root is twice the other root. What are the value(s) of k?
4 answers
510 views
the ages of students in an art club are the following: 10, 10, 10, 11, 11, 11, 12, 12, 12, a, b, c. If 11 is the only mode and a
4 answers
611 views
Can somebody show I how to rewrite these four equations as matrix equation to enter into a calculator Ti84. I think I support to
1 answer
179 views
if four crest past the pole each second what is the freqeuncy of the wave
2 answers
605 views
A square is inscribed in the circle (x-1)^2 + (y+1)^2 = 8. If one vertex of this square is the point (-1,1) then find the other
1 answer
331 views
Given the sequence: 4, x, 3x/2, ...
a. Find x if the sequence is arithmetic b. Find x if the sequence is geometric
4 answers
734 views
it takes 18 hours to fill a pool using 8 garden hoses. How long would it take to fill the same pool using 9 garden hoses?
4 answers
953 views
pls help
g(x,y) = x-2y+4. what is g(g (5,3), 2)? (A) 1 (B) 3 (C) 6 (D) 10 (E) 12
1 answer
240 views
(r,7), (11,8), m=-1/5
1 answer
166 views
right parenthesis space equals space open vertical bar x close vertical bar is vertically compressed by a factor of 1 third and
4 answers
250 views
I have the SATs soon please give me tips
Can someone also explain how to do mixture problems
1 answer
157 views
why do we have homework?
3 answers
237 views
Homework Assignment: Module 3 - Productivity
3 answers
439 views
y = -1/5 sin(4x + π)
What is the Amplitude? Vertical shift? Period? Phrase shift?
1 answer
184 views
If the trigonometric equation involves a tangent function rather than sine or cosine, what would change?
1 answer
253 views
When do I ask for teacher reccomendations?
I'm a junior and idk how the college process works. Is there like a sheet I'm supposed
3 answers
238 views
1/2, 7/12, 5/6, 2/3, 3/4, and 1/4 in order from least to greatest
1 answer
126 views
Jamar is trying to fit his encyclopedia on a shelf
1 answer
62 views
Match the number set or type of number with the correct category.
Column A 1. Integer: 2. {1/2, 1/4, 1/8, 1/16, 1/32}: {1/2, 1/4,
3 answers
274 views
A person walking towards a cliff observes the angle of elevation of its top as 30° and on going 82 meters nearer finds it to be
2 answers
97 views
A right triangle is shown below.
Which statement is true? A If the square of c is equal to the sum of the squares of a and b, the
1 answer
134 views
Given: x^x= 1/(3^1/9), find the value of: 81x^2 + 1/3x =?
2 answers
67 views
Let f(x) = 13 + 6sin(x) - 9(cosx)^2. What is the maximum value of this function?
2 answers
80 views
For an arithmetic sequence. Given: S5 + S6 = 44 and S11 = 47, find S22.
1 answer
68 views
Simplify: 36−2⋅6+7⋅4.(1 point)
5 answers
293 views
Write the value of the expression 13.) 4^5/4^5 ( 1 point )
1 answer
41 views
Write the value of the expression 14.) 3^3/3^6 ( 1 point )
1 answer
61 views
Multiply. Write the results in scientific notation. 15.) ( 2.3 X 10^1 ) ( 7 X 10^6) ( 1 point )
1 answer
48 views
Multiply. Write the results in scientific notation. 16.) ( 1.1 X 10^-5 ) ( 3 X 10^-2 ) ( 1 point )
1 answer
51 views
Simplify the expression. 21.) ( -3y+2 ) ( y+3 ) ( 1 point )
1 answer
42 views
Simplify the expression 20.) ( 2k+3 ) ( k-1 ) ( 1 point )
1 answer
49 views
simplify the expression
19.) 5k^2 ( -6k^2+6 )
1 answer
49 views
simplify the expression
19.) 5k^2 (-6k^2-2k+6 )
1 answer
45 views
simplify the expression
18.) -x (5x-4 )
1 answer
50 views
simplify the expression
17.) 6t^3 X 6t^3
1 answer
47 views
Add or subtract
5.) ( m^2-m-3 ) + ( m-4 )
3 answers
62 views
Add or subtract
6.) ( 4x^2-2x-1 ) - ( -3X^3+2 )
1 answer
62 views
add or subtract
8.) f^2 X f^3
1 answer
44 views
add or subtract
9.) 100^12/ 100^8
1 answer
62 views
add or subtract
10.) x^11 / x^4
1 answer
42 views
for question 2-3 simplify each polynomial.
3.) 4x^2+4-5x+x-2x^2+8
3 answers
64 views
for question 2-3 simplify each polynomial
3.) 3x^2+5x-7x+3-5x^2+2
1 answer
66 views
11.) which of the following expressions in true ?
A.) 4^3 X 4^4 = 4^12 B.) 5^2 X 5^3 > 5^5 C.) 3^2 X 3^5 = 3^10 D.) 5^2 X 5^4 <
1 answer
65 views
12.) Which of the following expressions in true?
A.) 2^4 X 2^3 = 2^12 B.) 3^3 X 3^6 > 3 ^8 C.) 4^2 X 4^2 > 4^4 D.) 5^5 X 5^2 = 5
4 answers
73 views
23.) Emma, Erin, and Eden completed the problem to the right.
Emma 6^2 X 6^5=36^7 Erin 6^2 X 6^5=6^10 Eden 6^2 X 6^5=6^7 a. who
21 answers
522 views
A radio signal travels at
3.00⋅10^8 meters per second. How many seconds will it take for a radio signal to travel from a
1 answer
107 views
a number cube with the numbers 1 through 6 is rolled. Find the probability.
1.) p(number<2) ( 1 point )
1 answer
94 views
a number cube with the numbers 1 through 6 is rolled. Find the probability.
2.) p(number>3)
1 answer
61 views
a number cube with the numbers 1 through 6 is rolled. Find the probability.
2.) p(number>3) _
1 answer
68 views
a number cube with the numbers 1 through 6 is rolled. Find the probability.
3.) P(complement of 4)
1 answer
87 views
a multiply choice question has 5possible answers. what are the odds in favor of guessing the right answer?
1 answer
79 views
what are the odds of the spinner landing on red?
( square divided into 4 different sections, one box has the color red, above it
1 answer
96 views
simplify.
-5y-3(6z-2y)-2z
5 answers
19 views
write 8 over 15 as a decimal rounded to the nearest hundredth.
3 answers
41 views
Which ratio is equivalent to 9 over 78?
A) 1 over 3 B) 3 over 18 C) 3 over 26 D) 1 over 8
5 answers
20 views
Which type of rights does Jefferson refer to in the Declaration of Independence?
(1 point) Responses civil rights civil rights
1 answer
126 views
Which of the following was the original purpose of the Bill of Rights?
(1 point) Responses to give the people their natural
4 answers
82 views
A pipe is 24 feet long. It needs to be cut into pieces that are each 3 over 8 feet long. How many pieces can be made from the
1 answer
42 views
First, rewrite 4 over 5 and 5 over 6 so that they have a common denominator.
Then, use <, > , or = to order 4 over 5 and 5 over 6
1 answer
38 views
15 students wash 80 cars. How many cars could 1 student wash? Round answer to the nearest tenth.
1 answer
36 views
14 reams of paper every 3 weeks. How many reams of paper per week? round to nearest hundreth
1 answer
17 views
We sold 345 barrels of popcorn. If two thirds were sold to adults costing $13.95, how much money did we make from selling
1 answer
43 views
Bought a new ferret for $199. sales tax was 7.25%.. what's the total bill rounded to the nearest hundreth?
1 answer
35 views
My mom signed up to run a 5k race. She predicted it would take her 60 minutes to complete it but she completed it in 53 minutes?
1 answer
32 views
Terry designs a drawing of a pentagon. Each side of it measures 3 centimeters. He enlarges it so that each side is now 8
1 answer
35 views
what is 2.67 as a mixed fraction
1 answer
27 views
Terry designs a drawing of a pentagon. Each side of it measures 3 centimeters. He enlarges it so that each side is now 8
1 answer
42 views
How do you scale a picture if the new picture is smaller than the original?
1 answer
29 views
How do you scale a picture if the new picture is smaller than the original in math?
1 answer
34 views
What is the scaling factor if a picture goes from 3.5 inches on one side to 1inch on the same side?
1 answer
19 views
We estimate a giraffe is 18 feet tall. its only 16 feet tall. What is the percent error? provide the answer as a percentage
1 answer
30 views
Andy is scuba diving. He starts at sea level and then descends 10 feet in 212
minutes
1 answer
45 views
Javier had $305 in his bank account. His bank charges a fee of $7.50 each month that a balance is below $500.
If he makes no
1 answer
47 views
What is the coefficient of the variable in the expression ½ + v - 3?
A 0 B 1 C 3 D v
1 answer
21 views
Which of these is a mathematical expression?
A: 1 B 4 - 3r C 4 - 3r = 1 D “Happily ever after”
1 answer
25 views
what is a variable in math
4 answers
17 views
The temperature increased 612
°F in the afternoon before decreasing 8.7°F in the evening. What was the evening temperature?
1 answer
32 views
The temperature increased 6 1/2
°F in the afternoon before decreasing 8.7°F in the evening. What was the evening temperature?
1 answer
35 views
Suppose y is a positive integer. If x – (–y) = z, will z be greater than or less than x
1 answer
59 views
The temperature in Anchorage, Alaska, was –3°C in the afternoon. After the sun went down, the temperature dropped 6 degrees.
W
1 answer
132 views
Which of these objects is moving at a rate of 2 feet per second?
(1 point) Responses object C object C object A object A object B
1 answer
34 views
You are going to drive to another state for a vacation. One route will take 8 hours to drive 400 miles, and the other route will
6 answers
57 views
There are 10x - 8 customers in a store on Monday and 6x +16 customers on Tuesdays.
1 answer
19 views
A company uses x amount of plastic to make bags. The company decreases this amount by 40%. Which expression represents the
1 answer
27 views
Which expression is equivalent to
1 4 (8 – 6x +12)?
1 answer
15 views
Using the GCF, what is the factored form of 24v – 84.
1 answer
36 views
Which expression is equivalent to
1/4 (8 – 6x +12)
1 answer
20 views
This week Alison bought 108 bunches of carnations and 96 bunches of roses from the supplier. Let c represent the number of
1 answer
68 views
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