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how many seconds will pass before the ball hits the ground? h(t-80t^2+340t-260(in feet)
answered
May 22, 2018
in
Algebra 1 Answers
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571
views
h
Given that CD⎯⎯⎯⎯⎯⎯⎯⎯ C D ¯ is the perpendicular bisector of AB⎯⎯⎯⎯⎯⎯⎯ A B ¯ , which triangle congruence criteria can be used to prove that △ADC △ A D C and △BDC △ B D C are congruent?
answered
May 22, 2018
in
Geometry Answers
|
970
views
geometry
Bella is planning to write in a journal. Some pages will have 1 entry while others will have 2 entries. If she is writing 10 entries, how many different ways can she write them in her journal?
answered
May 22, 2018
in
Word Problem Answers
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6.6k
views
word problems
14.72 divided by 4.6 with work shown
answered
May 21, 2018
in
Statistics Answers
|
1.0k
views
math problem
solving equations
Which number is bigger 0.042% or 0.083%
answered
May 21, 2018
in
Pre-Algebra Answers
|
609
views
calculating percentages
Fifteen mothers were asked how many months old their babies we're when they cut their first tooth 8,8,6,8,9,10,5,7,9,5,9,7,6,8,7
answered
May 21, 2018
in
Algebra 2 Answers
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499
views
math problem
Create an equation to represent the total amount of money Matt and Phil earned at the fundraiser based on the number of cookies Matt made.
answered
May 21, 2018
in
Algebra 1 Answers
|
1.8k
views
2 + 6 ➗ 2✖3
answered
May 20, 2018
in
Pre-Algebra Answers
|
187
views
On Friday, niles sold $3.25 more than twice what she sold on Thursday. She sold $20.25 on Friday. How much did she sell on Thursday?
answered
May 20, 2018
in
Pre-Algebra Answers
|
2.0k
views
Number systems
answered
May 20, 2018
in
Pre-Algebra Answers
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221
views
number-systems
The Ice Chalet offers dozens of different beginning ice-skating classes. All of the class names are put into a bucket. The 5 P.M., Monday night, ages 8 - 12, beginning ice-skating class was picked.
answered
May 20, 2018
in
Statistics Answers
|
2.6k
views
confidence interval
There are 14 pieces of bubble gum in a box. Write the equation for the probability of pulling out a piece of chocolate.
answered
May 20, 2018
in
Pre-Algebra Answers
|
209
views
word problems
math problem
probability problem
bob has $5.50 in dimes and quarters. He has 8 more quarters than dimes. How many quarters does Bob have?
answered
May 19, 2018
in
Word Problem Answers
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611
views
word problems
How many sandwiches?
answered
May 19, 2018
in
Word Problem Answers
|
608
views
percent
9-1/8x9.5 or 9.2x9.4
answered
May 18, 2018
in
Other Math Topics
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298
views
question
what does 3.13278e11 equal
answered
May 18, 2018
in
Other Math Topics
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318
views
calculaor
What is the rule for the function shown in the table?
answered
May 18, 2018
in
Pre-Algebra Answers
|
1.1k
views
function tables
equation for the linear function f with the given values
Write a system of equations that represents this situation using matrices. How much did each child receive?
answered
May 18, 2018
in
Trigonometry Answers
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659
views
matrices
word problems
math
On a number line, what is the distance between -6 2/5 and 3 1/6? (Show your work)
answered
May 18, 2018
in
Other Math Topics
|
984
views
math problem
absolute
value
line
The absolute value function is horizontally stretched by a factor of 5, shifted 3 units right, and 4 units down
answered
May 17, 2018
in
Algebra 2 Answers
|
4.5k
views
functions and transformations
What is the average rate of change of the function f(x) = 4x2 + x - 3?
answered
May 17, 2018
in
Algebra 1 Answers
|
960
views
average rate of change
A sphere has a diameter of 20 cm. What would be the volume of the sphere?
answered
May 17, 2018
in
Pre-Algebra Answers
|
4.0k
views
pre algebra problems
A line passes through the ordered pairs (7,2) and (5,4) . What is the slope?
answered
May 17, 2018
in
Pre-Algebra Answers
|
250
views
can you solve the problem and give me a step by step guide on how i should solve the problem
The cost of the book was at most three times the cost of the magazine. If the book cost $5.10, how much for the magazine have cost if none sell for more than $2.99?
answered
May 17, 2018
in
Word Problem Answers
|
439
views
word problems
If P(A) = 0.60, P(B) = 0.40, and P(B / A) = 0.60, then P(A / B) = 0.24.
answered
May 17, 2018
in
Statistics Answers
|
2.9k
views
linear regression problems
Find the point of intersection and the angle between y=5x-2 and y=3x+6. Use absolute (positive) value of the angle.
answered
May 17, 2018
in
Geometry Answers
|
2.2k
views
math problem
intersection of two lines
math
Ethan's factory produced 1,500 tables each day. 8% of them were scrapped. Ethan sold 60% of the good tables and had the remaining donated. What percent of the tables were donated?
answered
May 16, 2018
in
Pre-Algebra Answers
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273
views
calculating percentages
word problems
story problems
There are 4000 textbooks in a classroom. 45% of them are math. 40% of the math textbooks are junior. 60% of the junior textbooks are new. What percent of the textbooks are used?
answered
May 16, 2018
in
Pre-Algebra Answers
|
279
views
calculating percentages
word problems
story problems
The vertices of AABC are A(1, -2), B(1,1), and C(5’ 2) Which could be the side lengths of a triangle that is similar but not congruent to ABC?
answered
May 16, 2018
in
Geometry Answers
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492
views
geometry problems
7,13,39,21,25,27,10,17,6,22 mix in 3 numbers
answered
May 16, 2018
in
Word Problem Answers
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188
views
variance
Mars bought 120 pens for his classmates. 40% of them are black. 37.5% of the color pens are red and 29% are green. If the remaining are yellow, what percent of pens are yellow?
answered
May 16, 2018
in
Word Problem Answers
|
376
views
calculating percentages
story problems
if ∆ XYZ = ∆ KLM then < Y =
answered
May 16, 2018
in
Pre-Algebra Answers
|
904
views
algebra problems
There are 200 kg fruits on the stall. 60% of them are apples. 60% of the remaining are pears and others are peaches. What percent of fruits are peaches?
answered
May 15, 2018
in
Pre-Algebra Answers
|
329
views
math problem
calculating percentages
word problems
State the Type I and Type II errors in complete sentences given the following statements.
answered
May 15, 2018
in
Statistics Answers
|
586
views
math problem
let A = { -5, 2} and B = { 1, 0}. find 2A + 3B
answered
May 15, 2018
in
Other Math Topics
|
4.3k
views
solving equations
Which of the following represent(s) an equation of the line passing through the points A(5, 6) and B(4, 8). Select all that apply. y = -2x – 4 y = -2x + 16 y – 6 = -2(x – 5) 2x + y = 16 2x + y = -16
answered
May 15, 2018
in
Geometry Answers
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1.6k
views
please answer as soon as possible
2x+4y=20 3x+2y=26
answered
May 15, 2018
in
Algebra 1 Answers
|
2.1k
views
Please help me find the system of equations!
answered
May 15, 2018
in
Algebra 1 Answers
|
398
views
solving systems of equations
solving equations
please help me to answer this step by step
Round 14,965 to the nearest whole number
answered
May 15, 2018
in
Algebra 1 Answers
|
904
views
rounding to the nearest whole number
how many days each person sleep?
answered
May 15, 2018
in
Other Math Topics
|
170
views
math problem
raina, abdul, and scott sent a total of 143 text messages. scott sent 7 more messages than raina. abdul sent 4 times as many messages as scott. how many messages did they each send
answered
May 15, 2018
in
Word Problem Answers
|
6.0k
views
algebra problems
solving equations
word problem
The domain and range of the function f(x) = √x - 2 is
answered
May 14, 2018
in
Other Math Topics
|
1.1k
views
domain of a function
what is the probability of winning the new car? ________?
answered
May 14, 2018
in
Word Problem Answers
|
654
views
probability
word problems
please done in 5mins
Which equation correctly describes the available planting area for the vegetable garden?
answered
May 14, 2018
in
Algebra 2 Answers
|
811
views
help! i want to graduate!
let R = {(1,3), (4,2), (2, 4), (2, 3), (3, 1)} be a relation on the set A = {1,2,3,4}. then relation R is
answered
May 14, 2018
in
Other Math Topics
|
167
views
There are 60 min in an hour and 24hr in a day. How many minutes are there in a day
answered
May 14, 2018
in
Pre-Algebra Answers
|
271
views
word problems
How many times larger is 6 times 10 to the 9th power. than 3 times 10 to the 8th power.
answered
May 14, 2018
in
Pre-Algebra Answers
|
768
views
algebra problems
word problems
please answer this queastion as soon as possible. thank you ^^
an ira account Rodd contributes $500 per month into the Kaufman fund that earns 20.5 annual interest How many years would it take Rodd's investment to reach $1000000
answered
May 14, 2018
in
Other Math Topics
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294
views
word problem
if AB is =to 2 and BC is =3 what is AC
answered
May 14, 2018
in
Other Math Topics
|
224
views
determine the value
of ac
AB is a focal chord of the parabola y^2 = 4x
answered
May 14, 2018
in
Calculus Answers
|
442
views
calculus problems
parabolas
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