Answer: the answer is x=−2
Answer:
the answer is x= -2
Step-by-step explanation:
negative two
The ages of Aman and Arun are in the ratio 5:7. Four years later the sum of their ages will be 56 years. What are their present ages
Answer:
Aman's age = 20, Arun's age = 28
Step-by-step explanation:
Let [tex]x[/tex] = Aman's age
Let [tex]y[/tex] = Arun's age
- - - -
[tex]x+4+y+4=56[/tex] (Sum of their age is 56 after 4 years in the future)
[tex]x+y+8=56[/tex]
[tex]x+y=48[/tex]
[tex]\frac{x}{y} = \frac{5}{7}[/tex] (Ages are in the ratio 5:7)
[tex]x=\frac{5}{7}y[/tex]
Now, we can use substitution to find for Arun's age:
[tex]x+y=48[/tex]
[tex]\frac{5}{7}y+y=48[/tex]
[tex]\frac{12}{7}y=48[/tex]
[tex]y=28[/tex]
∴ Arun is [tex]28[/tex]
To find for Aman's age, we can use substitution:
[tex]x+y=48[/tex]
[tex]x+28=48[/tex]
[tex]x=20[/tex]
∴ Aman is 20
Hope this helps :)
PLEASSSSEEEEE I AM SOOO CONFUSED BECAUSE IT SHOWS THE CORRECT ANSWER BUT I DONT GET ITTTTTT
Answer:
D. {(2,3) (2,5) (4,7)}
Step-by-step explanation:
2 has an output od 3 and 5, and 4 has an output of 7
can someone help answer this?
9√2 is squared first.
so its 162.
now according to Pythagoras theorem,
x2+x2=162
2x^2= 162
x^2= 162÷2
x^2= 81
x= √81
x=9
in a right angled triangle, (height)^2 + (base)^2 = (hypotenuse)^2
here we have , height as X and base as X too , so; x^2 + x^2 = (9√2)^2
2(X)^2 = 162
x^2 = 162/2
X^2 = 81
X = √81 = 9
Evaluate f(x) = 2x +3 for f(4)
Find the missing term.
7-147 × 798 = 718 × 7-38 × _____
Answer: 7^(-29)
Step-by-step explanation:
Answer:
7^(-29)
Step-by-step explanation:
What is the slope-intercept equation of the line below?
A. y = -4+3
B. y = 4x+3
C. y = 5/4x+3
D. y=-5/4x+3
Answer:
SInce you have not posted the full question so I will tell you the answer through the question you have just posted.
A. slope-intercept is 0
B. slope-intercept is 4
C. sope-intercept is 5/4
D. slope-intercept is -5/4
Step-by-step explanation:
To find the slope intercept easily by the following equations. just write the value besides x.
Equation is y = mx + c
m is the slope and c is the constant.
What is the domain of the function?
A.) (-00,00)
B.) (-2.1,0)
C.) (-3,3)
D.) (2.2,00)
How do I graph the following quadratic function ?
Answer:
d
Step-by-step explanation:
If I make $1,000 per minute how much time will it take to make $1,000,000?
Answer:
it would take 1,000 minutes
Step-by-step explanation:
1,000,000/1,000=1,000
Answer: I think it’ll take 1,000 minutes
Step-by-step explanation:
If you multiply 1,000 and 1,000 it’ll equal 1 million.
Hoped this helps.
Write this percentage as a fraction in its simplest form.
46%
Answer:
23/50
Step-by-step explanation:
46% is the same as 46/100 that can be simplified to 23/50
The percentage 46% as a fraction in its simplest form is 23/50.
The given fraction is 46%.
Percentage is defined as a given part or amount in every hundred. It is a fraction with 100 as the denominator and is represented by the symbol "%".
The percentage can be written in fraction by dividing the number by 100.
Here, 46% = 46/100
= 23/50
Therefore, the percentage 46% as a fraction in its simplest form is 23/50.
To learn more about the percentage visit:
brainly.com/question/24159063.
#SPJ6
How many decimal places are in the product of the expression below?
25.6 times 14.2
one
two
three
four
Answer:
B. Two
I did this on Edge
What is the answer to 2/3x = -8?
What is the measure of angle 1?
Answer:
51 degrees
Step-by-step explanation:
Subtract 129 from 180 to get angle 1
Brainliest please
Happy holidays
PLEASE HELP ASAP!
Given the following diagram, find the required measure.
Given: l | | m
m 1 = 140°
m 3 = 50°
m 6 =
30
40
50
90
Answer:
40
Step-by-step explanation:
Answer:
40
Step-by-step explanation:
On average, a person’s heart beats about 4.2×107 times per year. There are about 7,600,000,000 people in the world. Use this data to approximate the number of heartbeats for all the people in the world per year. Expressing your answer in scientific notation in the form a×10b, what are the values of a and b?
Answer:
a=3.192 b=17
Step-by-step explanation:
I just used a graphing calculator to multiply the req. numbers
-4n + 9 = -2 (2n -1) +7
Answer:
infinite number of solutions
Step-by-step explanation:
Given
- 4n + 9 = - 2(2n - 1) + 7 ← distribute and simplify right side
- 4n + 9 = - 4n + 2 + 7
- 4n + 9 = - 4n + 9
Since both sides are equal then any value of n makes the equation true.
That is there are an infinite number of solutions
Is this correct? If not please help me out.
Shari and Ana are playing games at an arcade. Shari has $37.50 and is playing $0.50 games. Ana has $42.75 and is playing $0.75 games. Sandor wants to know when Shari and Ana will have the same amount of money remaining. So he wrote and solved this equation.
Let x = number of games played.
Equation: 37.50 – .5x = 42.75 – .75x
Step 1: 37.50 – 1.25x = 42.75
Step 2: – 1.25x = 5.25
Step 3: – 4.2 = x
Sandor knows his answer is incorrect because a negative number of games cannot be played. What was Sandor’s mistake?
The variable x should represent the amount of money left.
The equation should have sums on both sides.
In step 1, he should have added .75x to both sides.
In step 3, he should have added 1.25x to both sides.
[tex]37.50-0.5x=42.75-0.75x\\37.50-0.5x+0.75x=42.75\\37.50-0.25x=42.75\\0.25x=42.75-37.50\\0.25x=42.75-37.50\\0.25x=5.25\\x=\frac{5.25}{0.25} \\x=21\\\\x=21 grams[/tex]
PLEASE MARK ME AS BRAINLIEST
Answer:
its c
Step-by-step explanation:
what polynomial function has the zeros -3,1,5
Answer:
x³ - 3 x² - 13 x + 15 = 0
Step-by-step explanation:
Basically you can create three factors like this:
(x+3)(x-1)(x-5)=0
That will each represent one zero.
Work it out and you get x³ - 3 x² - 13 x + 15 = 0
simplify 8r - 3j + 9j - 2r
Answer:
6j + 6r :)))))))))))))))))
Answer:
6j + 6r
Step-by-step explanation:
If a plane
files 5,000 km, how many meters would this be
Answer:
5
Step-by-step explanation:
Km to m=1000 so 5000÷1000=5
PLEASE HELP QUESTION: What is the midpoint of the line containing the points X(4,-1) and Y(-4,1)?
CHOISES:
A) (8,-2)
B) (square root symbol)68
C) There is no midpoint.
D) (0,0)
Answer:
( D ) , ( 0 , 0 )
Answer:
D
Step-by-step explanation:
If two right triangles each have a 45° angle, then the
triangles must be-
What is the slope-intercept form of the equation of the line shown in the graph?
A. y = 1/2x + 1
B. y = x + 1/2
C. y = x + 2
D. y = 2x + 1
Jackie wants to put trim around the base of all the walls
in her bedroom. The price of the trim is $1.19 per linear
foot. How much will it cost her for the trim?
10 feet
15 feet
12 feet
A. $45.00
B. $54.00
C. $53.55
D. $64.26
F(x) = x-10 f(10)=
Can somebody help me
use the multiples method to find Least common denominator , then find the sum or difference , please help me understand dis ill mart brainliest
Answer:
25/28
Step-by-step explanation:
3/4+1/7
21+4/28
25/28
Please help and explain process too. Thank you!!
4x + y = 20
y = 3x – 2
Is (3,8) a solution to the system? Explain.
Answer:
It's the solution for the first one, but not the second one
Step-by-step explanation:
(3,8) (x,y)
The first one works, because it does equal 20
4*3= 12+8= 20
The second one does not work, because it equals 7 and not 8
3*3= 9-2= 7
The slope of a line is 1/7 and it passes through the point (21, 14). What is
the equation of the line in point-slope form?*
Answer: the equation of the line is y=1/7x+11