Answer:
n = 16
Step-by-step explanation:
Given the proportion, n/28 = 4/7:
Cross multiply the two fractions:
7n = 28 × 4
7n = 112
Divide both sides by 7 to solve for n:
7n/7 = 112/7
n = 16
Therefore, the value of n = 16.
Please mark my answers as the Brainliest, if you find this helpful :)
John's phone bills for the last five months are $24.71, $22.13, $19.87, $27.33, and $26.76.
Find John's mean phone bill over this period.
Answer:
$24.16
Step-by-step explanation:
Write an equation in point-slope form for the line that passes through the given points.
(4,−6), (6,−4)
Answer:
y=x-10
Step-by-step explanation:
slope equal to
[tex]m = \frac{ - 4 - ( - 6)}{6 - 4} = \frac{2}{2} = 1[/tex]
y=mx+c(constant)
-6=1×4+c, then c=-10
Find the indicated side measure.
Help pls!!!!!!!
Answer:
t=8
DE=8
KL=33
AB=[tex]\frac{127}{13}[/tex]
Step-by-step explanation:
40=5t ÷ t=8
5x-12=3x-4 combine like terms 2x=8 x=4
10x+3=3x+24 combine like terms 7x=21 x=3
[tex]\frac{3}{2}x+4=\frac{1}{5}x+9[/tex] combine like terms 13x=50 [tex]x=\frac{50}{13}[/tex]
Help plssssssssssssssss
Answer:
both
Step-by-step explanation:
The mean and the median give the same information, so it doesn't matter which one she chooses.
What is the length of the line?
Answer:
its A 6.5................
You have a bag filled with different colored poker chips. In the bag, there are 5 red chips, 16 grey
chips, 4, black chips, 7 blue chips, and 13 green chips. What is the ratio of the number of total chips to
the number of red AND blue chips
Answer:
45:12
Step-by-step explanation:
5 + 16 + 4 + 7 + 13 = 45
5 (red) + 7 (blue) = 12
Paige bought 1.06 pounds of what is 42.05 what does the lettuce cost per pound pounder to the nearest cent help please
[tex]▪▪▪▪▪▪▪▪▪▪▪▪▪ {\huge\mathfrak{Answer}}▪▪▪▪▪▪▪▪▪▪▪▪▪▪[/tex]
1.6 pounds of lettuce costs :
$ 42.051 pound of lettuce costs :
$ 42.05 ÷ 1.06$ 39.66 per poundA water hose had filled up of 1/2 a pool after 1/2 of an hour. At this rate, how
many hours would it take to fill the pool?
Answer:
1 hour
Step-by-step explanation:
1/2 hour:1/2 pool
1/2x2 hour:1/2x2 pool
1 hour: 1pool
What is the inequality shown?
The Inequality shown here is :
[tex] - 3 \leqslant x < 2[/tex]Suppose that the value of a stock varies each day from $12.82 to $33.17 with
a uniform distribution.
Find the third quartile; 75% of all days the stock is below what value?
Answer:
$28.08
Step-by-step explanation:
$33.17 - $12.82 = $20.35
75% of $20.35 = $15.26
$15.26 + $12.82 = $28.08
the midpoint is AB is M (4,-5) if the coordinates of A are (6,-4) what are the coordinates of B
Answer:
The answer of this question is 5&-9÷2
PLEASEEEEEEE HELLPPPPP
Answer:
a) 3.5metres
b) 34metres
Evaluate.
−|a+b|/2−c when a=178 , b=−1 , and c=−4
Enter your answer as a simplified fraction in the box.
a=1-7/8=15/8
b=-1
c=-4
[tex]\\ \sf\longmapsto \dfrac{-|a+b|}{2-c}[/tex]
[tex]\\ \sf\longmapsto \dfrac{-|\dfrac{15}{8}-1|}{2-(-4)}[/tex]
[tex]\\ \sf\longmapsto \dfrac{-|\dfrac{7}{8}|}{2+4}[/tex]
[tex]\\ \sf\longmapsto \dfrac{\dfrac{-7}{8}}{6}[/tex]
[tex]\\ \sf\longmapsto \dfrac{-7}{8(6)}[/tex]
[tex]\\ \sf\longmapsto \dfrac{-7}{48}[/tex]
Answer:
-7/48
Step-by-step explanation: I took the test
What is the measure of the angle formed by the minute hand and hour
hand of a clock in each case?
at 6 o'clock
at 4 o'clock
at 3 o'clock
PLEASE HELP ASAP PLEASE
Answer:
180 degrees, 120 degrees, 90 degrees
Step-by-step explanation:
each hour is 30 degrees.
at 6 o'clock the hands are straight, at 4 o'clock they make a 120 degree angle, and at 3 o'clock they make a right angle
Is 2 pi 9 inches rational or irrational
see budy your answer is very simple and that's 2 pi 9 inches is a rational number
A little confused here!
Hey guys. I just need someone's help to clarify things with me.
As I was doing the equations, I got to:
x^-1
-----
x^13
I moved the x^-1 down to x^13 so they'd subtract. But when I did, x^-1 became positive.
So it became x^13 times x^1
Radical Rule: a^n x a^m is pretty much a^n+m
So my answer was 14.
How did x^-1 become positive in this case?
Step-by-step explanation:
Given [tex]\frac{x*x^{-2} }{x^{13}}[/tex]
= [tex]\frac{x*x^{-2} }{x^{13}} = \frac{x^{-1} }{x^{13}}[/tex]
According to the Negative Exponent Rule, [tex]a^{-n} = \frac{1}{a^{n}}[/tex]
Therefore, [tex]\frac{x^{-1} }{x^{13}} = \frac{1}{x^{1}*x^{13}} = \frac{1}{x^{13+1}}= \frac{1}{x^{14}}[/tex]
In other words, [tex]x^{-1}[/tex] became positive because of the Negative Exponent Rule. Once you bring [tex]x^{-1}[/tex] down towards the denominator, you're essentially removing its negativity and turning its exponent into a positive value. Once that takes place, then you could apply the Product Rule of Exponents onto the exponents in the denominator, where it states, [tex]a^{m}a^{n} = a^{m+n}[/tex].
Please mark my answers as the Brainliest if you find my explanations helpful :)
Consider the quadratic function f(x)=8x2−7x+6. What is the constant of the function?
Answer:
6 is the constant :
because it is never going to change
f(x), and others that contain x will change based on the value x
Since 6 doesn’t have the c with it it will be constant
if a(12)= x/3+2 and b(x)=12x, what is a(12)+b(1)?
Answer:
[tex]a(12) = 12 \div 3 + 2 \\ + b(1) = 12 \times 1 \\ = 4 + 2 + 12 = 18[/tex]
2x=16−2 Value of x ?
Answer:
x = 7
Step-by-step explanation:
2x = 16 - 2
2x = 14
x = 14 / 2
x = 7
Answer:
[tex]\sf\longmapsto \: x = 7[/tex]
Step-by-step explanation:
[tex]\sf\longmapsto \: 2x = 16 - 2[/tex]
[tex]\sf\longmapsto \: 2x = 14[/tex]
[tex]\sf\longmapsto \: x = \frac{14}{2} [/tex]
[tex]\sf\longmapsto \: x = 7[/tex]
NO LINKS PLEASE HURRY I REALLY NED HELP!!!
Answer:
The answer is D
Step-by-step explanation:
-7.6+4.17= -3.43x
3.54-1.32= 2.22
If 1/4 of a gallon is enough for 1/3 of a room, how much paint would you need to paint four rooms?
Answer:
you would use 3/4 of a gallon per room, so you would multiply 3/4 x 4., which equals 3 gallons
5) Find the numbers:
a. 0.75 of what number is 9?
b. 0.8 of what number is 8?
Answer:
12
10
Step-by-step explanation:
3. The ratio of milk water in 55 liters of Adultered milk is 7:4. How much water must be added to make the mixture Ratio of 7:6? a)5 liters b)10 liters c)15 liters
Answer:
The answer is B 10 L
Step-by-step explanation:
let milk and water in the mixture be 7x and 4x equal 55L
[tex]7x + 4x = 55 \\ 11x = 55 \\ x = 5[/tex]
[tex]7(5) = 35l \: milk \\ 4(5) = 20l \: water[/tex]
let x Liters of water he added so that the ratio is 7:6
[tex] \frac{35l \: milk}{20l \: water + x} = \frac{7}{6} [/tex]
cross multiply
[tex]35l \: milk \times 6 = (20l \: water + x)7 \\ 210l \: m= 140l \: w + 7x \\ 210l \: m - 140l \: w = 7x \\ 70l = 7x \\ \frac{70}{7} = \frac{7x}{7 } \\ x = 10 l \: water[/tex]
A side of a square is 10 cm longer than the side of an equilateral triangle. The perimeter of the square is 3 times the perimeter of the triangle. Select the equation that represents the scenario when x represents the side of the triangle.
Here's the solution :
Side of the equilateral triangle = x Side of square = x + 10perimeter of equilateral triangle = 3 × x = 3x
perimeter of square = 4 × (x + 10)
now, according to above statement :
permission (square) = 3 × perimeter (triangle)
that is :
[tex]4(x + 10) = 3 \times 3x[/tex][tex]4x + 40 = 9x[/tex][tex]9x - 4x = 40[/tex][tex]5x = 40[/tex][tex]x = 8[/tex]therefore, side of triangle = 8 cm
perimeter (triangle) = 8 × 3 = 24 cmside of square = 8 + 10 = 18 cmperimeter of square= 18 × 4 = 72 xmAnswer:
Let the side of the equilateral triangle = x
so the side of the square = x+10
The perimeter of the triangle = 3x
and the perimeter of the square = 4(x+10)
condition : the perimeter of the square is 3 times the perimeter of the triangle.
so, 4(x+10) = 3*(3x)
Step-by-step explanation:
a child has a collection of football cards. they are to be kept in a folder with 9 cards on each page.the child has 28 complete sets of 12 cards. how manypages will be needed to store the cardss?
Answer:
37.7
Step-by-step explanation:
What is the answer to 0.2x10=
0.2 × 10 = 2
u can check a calculator
look at the photo.
Which expression is equivalent to the given expression? 10q +5
due at 5:30 pls help asap
Suppose 96% of students chose to study Spanish their freshman year, and that meant that there were 504 such students. How many students chose not to take Spanish their freshman year?
Answer: pls mark brainliest
20.24 students
96 percent of 506 is 485.76
506 - 485.76 = 20.24
Which of the following fractions is a proper fraction?
Answer:
A
Step-by-step explanation:
because the numerator is less than denometer
Answer:
The answer is A
Explaination
for a fractions to be proper the denominator must be greater than the numerator
5=numerator
8= denominator
a line parallel to the graph of 3x+2y=6 and contains the point (6,-3)