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Question 1128242: The product of the three ages, in years of three teenagers is 4590. None of the teens are the same ages. What are the ages of the three teen ages? (Use guess and check)
A hat and a jacket cost $100. The jacket cost $90 more than the hat. What are the cost of the hat and the cost of the jacket?
Melody picks a number. She doubles the number, squares are result, divide the square by 3 subtracts 30 from the quotient and gets 18. What are the possible numbers that Melody could have picked? What operation does Melody perform that prevents us from knowing 100% certainly which she picked?
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Answer by greenestamps(9721) About Me (Show Source):
You can put this solution on YOUR website!
These are three very different problems. The rules of the forum are one problem per post. Please follow those rules in the future.
(1) Certainly guess and check is the easiest way to solve this problem, since you know the three ages are whole numbers. But you should be able to get to the solution with very few if any wrong "guesses" by making your guesses logically.
The product of the three ages is a multiple of 10, and therefore a multiple of 5; since all three ages are in the teens, one of them has to be 15. Then 4590/15 = 306.
You could do guess and check again from there. However, if you note that both the other ages have to be greater than 15, and you know the last digit of the product has to be "6", then the only possible pair of ages is 17 and 18. And indeed 17*18 is 306.
ANSWER: The ages are 15, 17, and 18.
(2) Here is an informal solution method using logical reasoning.
Take away the "extra" $90 that the jacket costs; you are left with a jacket and a hat that each cost the same, and the total is now $100-$90 = $10. That means each of them costs $5. Now add those extra $90 back on to the price of the jacket.
ANSWER: The jacket costs $95; the hat costs $5.
(3) Melody picks a number: Call it x.
She doubles the number: It is now 2x.
She squares are result: It is now (2x)^2 = 4x^2.
She divides the square by 3: It is now 4x^2/3.
She subtracts 30 from the quotient: It is now 4x^2/3-30.
The number she ends up with is 18.
Solve the equation that says 4x^2/3-30 = 18:
4x%5E2%2F3-30+=+18
4x%5E2%2F3+=+48
4x%5E2+=+144
x%5E2+=+36
x+=+6 or x+=+-6
ANSWER: The two possible starting numbers are 6 and -6. We get two possible answers because of the step where she squares the number.
Answer:
7 18-year olds
Step-by-step explanation:
The product is 2,971,987,200. 18^7 is 612,220,032. However, 18^8 is 11,019,960,576, which is too big. So, 7 is the answer
A big ship drops its anchor.
E represents the anchor's elevation relative to the water's surface (in meters) as a function of time t (in seconds).
E=−2.4t+7
How far does the anchor drop every 5 seconds?
Answer:
I don't know if I can you go outside and I can go to the store and get a little
how many hours of physical activity are you required to complete to receive credit for the physical education course
(Calculus)
please help me !
Find an equation for the tangent line to the graph of f(x) = 2x x+1
at the point where x=3
Answer:
Step-by-step explanation:
Answer:
The answer is 12x - 17.
Step-by-step explanation:
PLEASE MARK AS BRAINLIEST!!!!!I need help please:(((
Answer:
Okay so for number 16
You have 2 parralel lines with a line through it.
Your trying to find the value of x
You have 2 angles given to you
one is 120 degrees whole the other is 5x+140 degrees.
They are corresponding angles. And now in this case corresponding angles are always equal.
So really all you gotta do is
120=5x+140
Now solve
-20=5x
x= -4
So the first one is x=-4
I can’t really see the other ones but here’s all you need to know
Alternate exterior - Equal
Altenrate interior - Equal
Corresponding - Equal
Interior - Not equal
Exterior-Not equal
Use these to guide you
REPOST*
Compare -3 and 9. Which of the following is true
A. -3 < 9 and -3 < 9
B. -3 = 9 and -3 < 9
C. -3 > 9 and -3 < 9
D. -3 > 9 and -3 > 9
Step-by-step explanation:
hshhwhshbevrrjdbslsowmbsnsjzjsorry for this ..... this is my dear⬆️.......
I need an friendwhat is the probability that a randomly selected day the flight will depart after 9:11 am
.135
.0235
.0015
.16
Answer
The awnser is .0235
The probability that a randomly selected day the flight will depart after 9:11 am is 0.0235. The Option B is correct.
What is the likelihood of flights departing after 9:11 am?The probability of a randomly selected day's flight departing after 9:11 am are determined by analyzing historical flight data. By examining the past departure times, we calculate the proportion of flights that departed after 9:11 am to the total number of flights.
This gives us the probability of a flight departing after that time on any given day. This probability will give us an idea of how often flights tend to depart later in the day. Therefore, the Option B is correct.
Read more about probability
brainly.com/question/23417919
#SPJ3
CAN SOMEONE ANSWER QUESTION 9??
Answer:
hii I'll give solution but where
Given the function f(x) = 2x – evaluate f (4). Enter your answer as a decimal.
Step-by-step explanation:
F(x)=2x
but x= 4
F(x)= 2(4)
F(x)= 8
1/8 is same as 8
0.125
Make s the subiect of v2 = U2+ 2as
Answer:
v2=U2+2as
v2-U2=U2-U2+2as
v2-U2=2as
(v2-U2)/2a=2as/2a
v2-U2/2a=s
s=(v2-U2)/2a
Convert each fraction to its equivalent using the least common denominator.
1/3 1/4
I am, honestly, slightly confused by the question wording, so here is what I think you need! :D
We can start by listing multiplies for each:
3:
3, 6, 9, 12, 15, 18, etc
4:
4, 8, 12, 16, 20, 24, etct
We can see that the least common denominator will be 12.
Answer:
[tex]\frac{1}{3}=\frac{x}{12}=\frac{4}{12}[/tex]
[tex]\frac{1}{4} =\frac{x}{12} =\frac{3}{12}[/tex]
If you need to multiply them:
[tex]\frac{4}{12} *\frac{3}{12} = \frac{12}{144} = \frac{1}{12}[/tex]
But you do not need to use a least common denominator for multiplying and can go straight to this:
[tex]\frac{1}{3} *\frac{1}{4} =\frac{1}{12}[/tex]
Hope this helps, have a nice day!
EVERYONE LISTEN!!! THIS IS VERY IMPORTANT!!! TEACHERS DO NOT LIKE BRAINLY, THEY HAVE ADMITTED TO MAKING FALSE ANSWERS SO THAT THEY CAN CATCH YOU!!! BE CAREFUL!!!
Answer:
thank you...........................................
Find all the whole numbers for which the double inequality is true.
-5
** I will mark brainliest to whoever solves it)
Answer:
5 < y < 2 This asks for all whole numbers y which are greater than 5 and also less than 2. That's a contradiction so there are no such whole numbers.
Step-by-step explanation:
Find the area of a square with a side of 3^3 m^2 *
Answer:
3^3 m^2 is area. If it is a square, the sides are 3 each.
Step-by-step explanation:
HELP!!! BRAINLIEST!!! BRAINLIEST!!! +15 POINTS!!! REAL ANSWERS ONLY PLEASE!!!
Im a 5th grader and I don't even know that.
Is y = (x - 1)(x + 7) linear or nonlinear
Five triangles are shown on the coordinate plane.
Which triangle is a possible reflection of triangle A?
Answer:
answer choice c!
Step-by-step explanation:
hope this helps!
A reflection is when you "flip" the shape across the axis.
Choice C would work because you can flip triangle a and make d over the x axis
Write fraction into decimal
2 3 over 5
2.2
2.4
2.6
2.5
Hey there!
“2 3 over 5”
= 2 3/5
= 2 × 5 + 3 / 5
= 10 + 3 / 5
= 13 / 5
= 13 ÷ 5
= 2.6
Therefore, your answer is most likely: Option C. 2.6
Good luck on your assignment and enjoy your day!
~Amphitrite1040:)
Explain how to evaluate
(-9)(-6)(15)(–7 + 7)
as simply as possible.
Hey there!
(-9)(-6)(15)(-7 + 7)
[-9(-6) = 54]
= 54(15)(-7 + 7)
[54(15) = 810]
= 810(-7 + 7)
[-7 + 7 = 0]
= 810(0)
= 0
Therefore, your answer is: 0
Good luck on your assignment and enjoy your day!
~Amphitrite1040:)
Answer:
[tex](-9)(-6)(15)(–7 + 7)[/tex]
[tex]So \: We \: have,[/tex]
[tex] - 7 + 7[/tex]
[tex] - 7 + 7 = 0[/tex]
Rewriting the original expression,
[tex](-9)(-6)(15)(0)[/tex]
[tex](-9)(-6)(15)(0) = 0[/tex]
[tex]The \: answer \: is \: 0.[/tex]
Use the distributive property to remove the parentheses.
3(8+v)
Answer:
24 + 3v
Step-by-step explanation:
multiply 3 with 8
and
multiply 3 with v
Answer:
3(8+v)
3*8=24
3*v=3v
24+3v
Step-by-step explanation:
Multiply 8 by 3 and v by 3 to get 24+3v
How do I Evaluate (−9)²
Answer:
81
Step-by-step explanation:
you evaluate by mutiplying the number with the exponent, which is -9 multiplied by -9, which is 81 because 2 negatives multipled or divided is a positive. hope this helped a bit
Answer:
81
Step-by-step explanation:
Here, some steps to evaluate (-9)².
Step 1 :- A negative base raised to an even powers equal positive.
9 ²Step 2 :- Write exponentiation as multiplicaton.
9 × 9Step 3 :- Multiply it .
81Another way to evaluate ( -9 ) ².
Evaluate by multiply with it's exponent.
-9 × -9When two negative sign combine they formed positive
So, after multiplying we get 81.
Prove segment GF = segment HF
Answer:
GF = FH
Step-by-step explanation:
GEF & FIH
EF = FI (equal)
GEF = FIH (alternate angle)
EG = HI (parallel sides equal)
GEF & FIH are congruent, under the case of (SAS)
therefore, GF = FH (corresponding angle)
Find a quadratic function that includes the set of values below.
(0,5), (2.15), (4,9)
The equation of the parabola is y=
Answer:
there you go . Good luck plz mark me brainliest .
Enter the number in scientific notation.
50,000 =
x10 to the power of?
Answer:
5x104
Step-by-step explanation:
Answer:
5 * 10⁴
Step-by-step explanation:
50,000 is 5 * 10,000
10,000 = 10⁴
Thus, 50,000 = 5 * 10⁴
HELP FAST PLS
The function f(x) = x was transformed to create a graph g(x) = f(x+1)+2.
Which statement describes how the graphs of fand g are related?
The graph of F is shifted to the right 1 unit and up 2 units to create the graph of g.
The graph of F is shifted to the right 1 unit and down 2 units to create the graph of g.
The graph of F is shifted to the left 1 unit and up 2 units to create the graph of g.
The graph of F is shifted to the left 1 unit and down 2 units to create the graph of g.
Answer:
The graph of F is shifted to the left 1 unit and then up 2 units to create the graph of g
27 shortest to longest.
Help plsssssssssssssssss
Answer:
1: slope; 3, y intercept; 3
2: slope; -1, y intercept; -2
3: slope; -4, y intercept; 4
4: slope; 1, y intercept; 0
Step-by-step explanation:
also, equation is y =mx+b
y intercept = b
m = slope
y axis = y
x axis = x
what is number 4 and 6?
Step-by-step explanation:
4 ) 12 × 12
= 144
6 ) 10 × 10 × 10 × 10 × 10
→ 100000
• it's also a mathematical symbol for multiply by similar to × and *.
hope this answer helps you dear..take care!
Answer:
4= 144. 6= 100000
Step-by-step explanation:
use a calculator to get the answers
helppppp meeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeee
Answer:
Step-by-step explanation:
Answer:
a) 8:20
b) 14:28
Step-by-step explanation:
What is the value of X?
Amy and Rob each improved their yards by planting rose bushes and shrubs. They bought their
supplies from the same store. Amy spent $43 on 1 rose bush and 11 shrubs. Rob spent $68 on 5
rose bushes and 6 shrubs. Find the cost of one rose bush and the cost of one shrub.
Answer: a rose bush is 10 dollars while a shrub is 3
Step-by-step explanation:
5x10 is 50
6x3 is 18
__________ +
68
10
11x3=33
________+
43