Answer:
47...
Step-by-step explanation:
the product of 4 and 8 is 32 and added 15 then it is 47.
Answer:
47
Step-by-step explanation:
4*8+15=32+15=47 (by BODMAS rule)
What is the history, career applications, and logical structure and development of Geometry?
Answer:
Geometry arose as the field of knowledge dealing with spatial relationships. Geometry was one of the two fields of pre-modern mathematics, the other being the study of numbers.
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Answer:
SEE THE IMAGE FOR SOLUTION.
How do I do this? I need help really bad. Can someone help me with this question?
Answer:
Step-by-step explanation:
It seems like there is only one question. I'll answer that first and then we'll discuss what might be inferred from the introduction.
1)
The way the problem is set up you get a factoring to take place
(x^3 - 8) = (x - 2)(x^2 + 2x + 4)
================
(x - 2)
This question is unique. They expect you to cancel, which leaves you with y = x^2 + 2x + 4) which is a quadratic.
The reason you don't put in x = 2 is because technically, you get 0/0 which can be shown to be either 1 or 0. To get out of that, we say that 0/0 is undefined. The graphing program has taken the stance that 0/0 is 1. However I wouldn't really accept that. The whole problem comes down to 0/0 which is undefined.
determine the value of n and what property is represented.
3n = 1
After working for fifty years, Simon has earned a total of $1,600,000. Find the average rate of change of the amount of money Simon has earned during this time frame. Give a practical interpretation for your solution.
a
y = 19.8x + 1080.2
b
y = 19.8x + 1100
c
y = 16.8x + 1080.2
d
y = 16.8x + 1100
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Answer:
f(x) = 19.8x +1080.2
Step-by-step explanation:
The given values form an arithmetic sequence with first term (a1) = 1100 and common difference (d) = (1119.80-1100) = 19.80.
The generic term of an arithmetic sequence is ...
an = a1 +d(n -1)
an = 1100 +19.8(n -1) = 1080.2 +19.8n
Expressed as a function of x, this is ...
f(x) = 19.8x +1080.2
How many gallons are in a pool that holds 758,000 Liters
Answer:
200000 gallons
Step-by-step explanation:
5. The graph shows the relationship between the number of cups of flour and the propos
number of cups of sugar in Lin's favorite brownie recipe.
3
cups of flour
1
.
1 2 3 4 5
cups of sugar
The table shows the amounts of flour and sugar needed for Noah's favorite brownie
recipe.
Answer:
what are you confused on??
Find the distance between the pair of points on the graph below:
Step-by-step explanation:
solution..
(0,5)=(x1,y1)
(-3,4)= (X2,y2)
now,
distance (d)^2=(x2-x1)^2+(y2-y1)^2
Name the property
-3(k-5)=-3k+15
Inverse Property of Addition
Inverse Property of Multiplication
Identity Property of Addition
Identity Property of Multiplication
Commutative Property of Addition
Commutative Property of Multiplication
Associative Property of Addition
Associative Property of Multiplication
Distributive Property
Addition Property of Equality
Subtraction Property of Equality
Multiplication Property of Equality
Division Property of Equality
Step-by-step explanation:
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Compute the mean of the discrete probability distribution below:
X P(X)
2 0.20
3 0.25
4 0.45
5 0.10
Answer:
Step-b2
0.20
3
0.25
4
0.45
5
0.10
y-step explanation:
Which is greater 3/5 or 3/8?
Answer:
3/5
Step-by-step explanation:
3/5 is 0.6 while 3/8 is 0.375
Answer:
3/5 because if you do 5-3, you get 2. And 8-3 is 5. Meaning 3/5 is the closest and greater
Step-by-step explanation:
The air temperature, T , is related to the number of times, N , that a cricket chirps in a minute. The equation for that relationship is T=40 +1/4 N, where T is measured in degrees Fahrenheit. When the number of cricket chirps per minute increases by 20, , by how much has the temperature changed?
Answer:
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Step-by-step explanation:
There are 24 players on a team. Two of every six players were on the team last year. How
many players were on the team last year?
Find the equation for the circle with center (−4,−3) and diameter of length 14.
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Answer:
(x +4)² +(y +3)² = 49
Step-by-step explanation:
The radius is half the diameter, so is 14/2 = 7.
The equation of a circle with center (h, k) and radius r is ...
(x -h)² +(y -k)² = r²
The equation of the circle with center (-4, -3) and radius 7 is ...
(x +4)² +(y +3)² = 49
The base fare per ride on the MTA bus or subway is $2.75, but you get a 5% discount with a purchase. A weekly unlimited MetroCard costs $32.00. How many rides a week will make the weekly unlimited pass more cost-effective?
"13" or "more than 13" rides will make the weekly unlimited pass more cost effective. A further solution is provided below.
The given values are:
Base fare per ride = $2.75Discount = 5%Weekly unlimited Metro Card costs = $32The Fare after discount will be:
= [tex]2.75\times \frac{100-5}{100}[/tex]
= [tex]2.75\times \frac{95}{100}[/tex]
= [tex]2.75\times 0.95[/tex]
= [tex]2.6125[/tex] ($)
hence,
In $32, the minimum number of rides will be:
= [tex]\frac{32}{2.6125}[/tex]
= [tex]12.24[/tex]
or,
= 13
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Albums are on sale for $8 exch and you have a gift card worth $100. Write
an expression for the amount of money left on the gift card after
purchasing n albums. Evaluate the expression to find the amount of
money left after purchasing 6 albums.
Answer:
(100 - 8n) is our equation, with 100 being the gift card balance, 8 being the cost of each album, and n being the number of albums.
When n = 6, the equation equals 52. This means that you have $52 left after purchasing 6 albums.
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Answer:
rnmrqrgwbten3yn3unnu4
x/3+8= -4
Find the value of x
Answer:
x = -36
Step-by-step explanation:
x/3 + 8 = -4
x/3 = -12
x = -36
The sum of 4 times a number and - 7, added to 9 times the number
Answer:
13x – 7
Step-by-step explanation:
If "a number represents x", then:
The sum of 4 times a number and - 7, added to 9 times the number = (4x + -7) + 9x.
(4x + -7) + 9x →
(4x + 9x) + -7 →
(13x) + -7 →
(13x) – 7 →
13x – 7.
The unknown number will be equal to 4.
What is an expression?Expression in maths is defined as the collection of numbers variables and functions by using signs like addition, subtraction, multiplication, and division.
Numbers (constants), variables, operations, functions, brackets, punctuation, and grouping can all be represented by mathematical symbols, which can also be used to indicate the logical syntax's order of operations and other features.
Given that the sum of 4 times a number and - 7, added to 9 times the number is 45. The value of the unknown number will be calculated as below:-
The sum of 4 times a number and - 7, added to 9 times the number = (4x + -7) + 9x.
(4x + -7) + 9x = 45
(4x + 9x) + -7 = 45
(13x) + -7 = 45
(13x) – 7 = 45
13x – 7 = 45
13x = 45 + 7
13x = 52
x = 4
Therefore, the unknown number will be equal to 4.
The complete question is given below:-
The sum of 4 times a number and - 7, added to 9 times the number is 45. Calculate the value of an unknown number.
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Jake says that
3/5 - 1/2 = 2/3
which is incorrect. What is his mistake
It appears Jake said 5-2 = 3 for the denominator portions. This is not correct. In order to subtract fractions, the denominators must be the same and they stay the same the entire time. Only the numerators (aka stuff up top) are being subtracted.
Currently 3/5 - 1/2 cannot be subtracted since the 5 and 2 are different denominators. But we can say this:
3/5 = 6/10
1/2 = 5/10
and then from there, we can say:
3/5 - 1/2 = 6/10 - 5/10 = (6-5)/10 = 1/10
So in short,
3/5 - 1/2 = 1/10
A. f(x) = l-2xl - 3
Domain: {1, 2, 3}
Find the range
Hello there!
We are given the function:
[tex] \displaystyle \large{ f(x) = | - 2x| - 3} \\ [/tex]
To find the range, we know that domain is the set of all x-values and also called 'input' while range is the set of all y-values and also called 'output'.
Basic Function - you add the input, you get the output. You add x-value in a function, you get y-value. You add domain, you get range.
So, we substitute x = 1,2 and 3 in the function.
x = 1
[tex] \displaystyle \large{ f(1) = | - 2(1)| - 3} \\ \displaystyle \large{ f(1) = | - 2| - 3} \\ [/tex]
Recall that any numbers in absolute value are always positive.
[tex] \displaystyle \large{ f(1) = 2 - 3} \\ \displaystyle \large{ f(1) = - 1} \\ [/tex]
x = 2
[tex] \displaystyle \large{ f(2) = | - 2(2)| - 3} \\ \displaystyle \large{ f(2) = | - 4 | - 3} \\ \displaystyle \large{ f(2) = 4 - 3} \\ \displaystyle \large{ f(2) = 1}[/tex]
x = 3
[tex] \displaystyle \large{ f(3) = | - 2(3)| - 3} \\ \displaystyle \large{ f(3) = | - 6| - 3} \\ \displaystyle \large{ f(3) = 6 - 3} \\ \displaystyle \large{ f(3) = 3}[/tex]
Therefore, Range: {-1,1,3}
Let me know if you have any questions!
Topic: Absolute Value Function / Modulus Function
f(x) = | 3x +4 |+2
g(x)=4
Find (f +g)(x)
Answer:
|3x + 4 | + 6
Step-by-step explanation:
(f+g)(x)= f(x) + g(x)
= |3x+4| + 2 + 4
= | 3x + 4 | + 6
Please explain how to solve this problem
A nut store normally sells cashews for $4.00 per pound and peanuts for $1.50 per pound. But at the end of the month the peanuts had not sold well, so, in order to sell 80 pounds of peanuts, the manager decided to mix the 80 pounds of peanuts with some cashews and sell the mixture for $2.00 per pound. How many pounds of cashews should be mixed with the peanuts to ensure no change in the revenue?
The manager should mix _ pounds of cashews with the peanuts.
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Answer:
20 pounds
Step-by-step explanation:
Often, mixture problems are worked by writing two equations: one for the total quantity of constituents in the mix, and one for the total price of the mix. When these equations are solved by substitution, the first step is to write one quantity in terms of the other.
You can save an equation and a step by using one variable for quantity. It usually works best to let the variable represent the highest-cost (or most concentrated) contributor. Here, that is the quantity the problem asks for, so ...
Let c represent the number of pounds of cashews needed to be mixed with the peanuts. Then the revenue from selling the mix is ...
80($1.50) +c($4.00) = (80+c)($2.00)
120 +4c = 160 +2c . . . . . divide by $, simplify
2c = 40 . . . . . . . . . . . . . subtract 120+2c from both sides
c = 20 . . . . . . . . . . . . . divide by 2
The manager should mix 20 pounds of cashews with the 80 pounds of peanuts.
Ike notices an interesting pattern; he sees that 7 is 14% of a and 18 is 6% of b. If c is b/a, then what is the value of c?
Answer: c = 6
Step-by-step explanation:
%/100 = is/of
14/100 = 7/a. (14% of what number is 7) (cross multiplication)
(7*100)/14 = 50 (a)
6/100 = 18/b
(18*100)/6 = 300 (b)
b/a = 300/50 = 6
Pattern is a rule that guides the formation of a dataset. Based on the given patterns of a and b, the value of c is 6
Given that:
[tex]7 = 14\% \times a[/tex]
[tex]18 = 6\% \times b[/tex]
Make a the subject in [tex]7 = 14\% \times a[/tex]
[tex]a=7 \div 14\%[/tex]
[tex]a = 50[/tex]
Make b the subject in [tex]18 = 6\% \times b[/tex]
[tex]b = 18 \div 6\%[/tex]
[tex]b = 300[/tex]
Given that:
[tex]c = \frac ba[/tex]
Substitute values for a and b
[tex]c = \frac{300}{50}[/tex]
[tex]c = 6[/tex]
Hence, the value of c is 6
Read more about patterns at:
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How do you determine if terms are like terms? Be specific
I need a quick specific explanation of what a like term is please no links thank you :)
Solve the inequality for x.
x-4<19
Simplify your answer as much as possible.
Answer:
[tex]x < 19 + 4 \\ x < 23[/tex]
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12n - 8- 2n + 10 - 4
Answer:
n=1/5
Step-by-step explanation:
12n -8-2n+10-4
10n=2
n=2/10
n=1/5
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Answer:
The GCF would be C. 3mn
Step-by-step explanation:
If you look at both numbers, 3m^2n and 12mn^2, you can factor out (divide both numbers by) 3, m, and n.
It will most definently be C
