Answer:
233
Steps:
427-62=365
365-78=287
287-54=233
here is the correct answer
In a certain chemical, the ratio of zinc to copper is 4 to 13. A jar of the chemical contains 468 of copper. How many grams of zinc does it contain?
Answer:
The answer is 144
Step-by-step explanation:
5 and 1/3 divided by 1 and 1/6
Answer: 4 4/7
Step-by-step explanation:
What would happen to the product in the following problem:
25×11/11
A.The product will increase
B.The product will decrease
C.the product will stay the same
HELP PLZZ
I WILL CROWN BRAINLIEST
Just one simple question
Answer:
i) OC=a+b
ii) BA=a-b
iii)CA=-b
Step-by-step explanation:
i) because it is a parallelogram AC=OB and therefore AC=b
to find OC you do OA+AC which is a+b
OC=a+b
ii) to find BA you do BO+OA
BO=-b as it is the opposite direction
OA=a
so therefore BA=a-b
iii)CA is the opposite of AC which was b so CA=-b
Angle B and angle C are supplementary If the measure of angle B is 14 times the measure of angle C, what is the difference between
the angles measures
Pls help asap
Answer:
The difference between the angle measure is 152 degrees
Step-by-step explanation:
Supplementary angles are angles that add up to 180
So if one angle is x in this case, the other will be 14x
Adding both ;
x + 14x = 180
15x = 180
x = 180/15
x = 12
The other angle is 14 * 12 = 168
The difference between the two will be;
168-12 = 156
what the answer for this pls help
ASAP will give brainliest
Answer:
X=8
Step-by-step explanation:
17x-4=12+15x
add 4 on both sides to get
17x=16+15x
now subtract 15x on both sides to get
2x=16
divide by 2 on both sides
you get
x=8
Answer:
im not too sure
Step-by-step explanation:
Shen runs each lap in 5 minutes. He will run at most 45 minutes today. What are the possible numbers of laps he will run today? Use n for the number of laps he will run today.
Answer: The possible numbers of laps he will run today = 9
Step-by-step explanation:
Let [tex]n[/tex] = number of laps he will run today.
Given: Time taken for each lap = 5 minutes
Time taken for [tex]n[/tex] laps =[tex]5n[/tex] minutes
If he runs at most 45 minutes, then
[tex]5n\leq45[/tex]
Divide both sides by 5 , we get
[tex]n\leq9[/tex]
Hence, the possible numbers of laps he will run today = 9
convert 1.3333....... into P/Q form
Answer:
[tex]\frac{4}{3}[/tex]
Step-by-step explanation:
We require to create 2 equations with the repeating value placed after the decimal point.
let
x = 1.3333... → (1) ( multiply both sides by 10 )
10x = 13.3333... → (2)
Subtract (1) from (2), eliminating the repeating decimal
9x = 12 ( divide both sides by 9 )
x = [tex]\frac{12}{9}[/tex] = [tex]\frac{4}{3}[/tex]
Lakita wants to go to trade school and study electronics for a two-year program. Her tuition and books will cost about $5,500 per year. She will also spend about $100 a month commuting from her parents’ house to school. How much will her education cost her in total?
Answer:
$13,400
Step-by-step explanation:
Given the following data;
Tuition and book per year = $5,500
Transportation per month = $100
In 2 years;
Total tuition and book = $5,500 * 2 = $11,000
Total tuition and book cost = $11,000
Transportation;
There are 12 months in a year, in 2 years = 12 * 2 = 24 months.
Thus, total on transportation = $100 * 24 = $2,400
Total transportation cost = $2,400
[tex] Overall \; cost = Total \; tuition \; and \; book \; cost + Total \; transportation \; cost[/tex]
Substituting into the above equation, we have;
Overall cost = $11,000 + $2,400
Overall cost = $13,400.
Hence, Lakita's education will cost her $13,400 in total.
Malika, Keshia, and Aliyah Smith are each 2 years apart in age. The sum of their ages is greater than the age of their father, who is 65. How old can the oldest sister can be?
Answer:
24?
Step-by-step explanation:
If you add 20, 22, and 24, you get 66. I dont know if this helped.
7 freshmen, 9 sophomores, 8 juniors, and 8 seniors are eligible to be on a committee. In how many ways can a dance committee of 14 students be chosen? In how many ways can a dance committee be chosen if it is to consist of 2 freshmen, 3 sophomores, 4 juniors, and 5 seniors.
Answer:
[tex]Number\ of\ Committee = 6914880\ ways[/tex]
Step-by-step explanation:
Given
Total:
[tex]Freshmen= 7\\ Sophomores = 8\\ Juniors = 8\\ Seniors = 8[/tex]
Selection
[tex]Freshmen= 2\\ Sophomores = 3\\ Juniors = 4\\ Seniors = 5[/tex]
Required
Determine the number of selection
To do this, we make use of combination formula:
[tex]^nC_r = \frac{n!}{(n-r)!r!}[/tex]
For Freshmen, we have:
[tex]n = 7; r = 2[/tex]
[tex]^7C_2 = \frac{7!}{(7-2)!2!}[/tex]
[tex]^7C_2 = \frac{7!}{5!2!}[/tex]
[tex]^7C_2 = \frac{7 * 6 * 5!}{5! * 2 * 1}[/tex]
[tex]^7C_2 = \frac{7 * 6}{2}[/tex]
[tex]^7C_2 = \frac{42}{2}[/tex]
[tex]^7C_2 = 21[/tex]
For Sophomores, we have:
[tex]n =9;r=3[/tex]
[tex]^9C_3 = \frac{9!}{(9-3)!3!}[/tex]
[tex]^9C_3 = \frac{9!}{6!3!}[/tex]
[tex]^9C_3 = \frac{9 * 8 * 7 * 6!}{6! * 3 * 2 * 1}[/tex]
[tex]^9C_3 = \frac{9 * 8 * 7 }{6}[/tex]
[tex]^9C_3 = \frac{504}{6}[/tex]
[tex]^9C_3 = 84[/tex]
For Juniors, we have:
[tex]n = 8; r = 4[/tex]
[tex]^8C_4 = \frac{8!}{(8-4)!4!}[/tex]
[tex]^8C_4 = \frac{8!}{4!4!}[/tex]
[tex]^8C_4 = \frac{8 * 7 *6 * 5 * 4!}{4!*4 * 3 * 2 * 1}[/tex]
[tex]^8C_4 = \frac{8 * 7 *6 * 5}{4 * 3 * 2 * 1}[/tex]
[tex]^8C_4 = \frac{1680}{24}[/tex]
[tex]^8C_4 = 70[/tex]
For Seniors
[tex]n = 8; r = 5[/tex]
[tex]^8C_5 = \frac{8!}{(8-5)!5!}[/tex]
[tex]^8C_5 = \frac{8!}{3!5!}[/tex]
[tex]^8C_5 = \frac{8 * 7 *6 * 5!}{5! * 3 * 2 * 1}[/tex]
[tex]^8C_5 = \frac{8 * 7 *6}{3 * 2 * 1}[/tex]
[tex]^8C_5 = \frac{8 * 7}{1}[/tex]
[tex]^8C_5 = 56[/tex]
[tex]Number\ of\ Committee = Freshmen\ and\ Sophomores\ and\ Juniors\ and\ Seniors[/tex]
and implies *, so we have:
[tex]Number\ of\ Committee = 21 * 84 * 70 * 56[/tex]
[tex]Number\ of\ Committee = 6914880\ ways[/tex]
The graph shows how a store sells peppers by weight at a constant price per pound
Which of these statements is true?
Pepers)
Peppers cost $9 per pound,
The unitenst for peppers is $4,50 per pound,
You could get 2 pounds of peppers for $12
Peppers cost 84 per pound,
Answer:?
Step-by-step explanation: did u get the answer
Answer:
Step-by-step Peppers cost $4 per pound
explanation:
Solve for x. 4x-5=9+20
Answer:
x = 8.5
Step-by-step explanation:
4x-5=9+20 (evaluate right side)
4x - 5 = 29 (add 5 to both sides)
4x = 29 + 5
4x = 34 (divide both sides by 4)
x = 34/4
x = 8.5
Answer:
Today : Saturday, 07 November 2020
Hour: 14.28 WIB (Indonesia)
_______________________________
4x - 5 = 9 + 20
= 4x - 5 = 29
= 4x = 29 + 5
= 4x = 34
= x = 34/4
= x = 17/2
= x = 8 1/2
Use the Remainder Theorem to determine whether or not x + 3 is a divisor of p (x) = 2x^3 + 4x^2 - 2x + 12
PLEASE SHOW WORK.
Step-by-step explanation:
This is answer. I'm sri lankan. But our a/l exam have this mathematics questions
The remainder when the polynomial p(x) = 2x³ + 4x² - 2x + 12 is divided by x + 3 is -6.
A polynomial is an expression consisting of the operations of addition, subtraction, multiplication of variables.
The remainder theorem states that for a polynomial, f(x) divided by a linear polynomial , x - a, the remainder is equal to f(a).
Given the polynomial; p(x) = 2x³ + 4x² - 2x + 12, since it is divided by x + 3, hence:
x + 3 = 0
x = -3
p(-3) = 2(-3)³ + 4(-3)² - 2(-3) + 12 = -6
Hence the remainder when the polynomial p(x) = 2x³ + 4x² - 2x + 12 is divided by x + 3 is -6.
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how much larger is 33.333
Stan has $95. He wants to buy as many movies as he can. All movies are originally
$12.00 and are on sale for 10% off. Tax is 5%
Answer:
Step-by-step explanation:
Each movie is $12.00. 10% off of 12% is 12-1.2 = 10.8
The final amount spent is 5%, that means we can multiply the end amount spend by 1.05
The maximum Stan can spend is $95
[tex](10.8m)*1.05\leq 95\\(10.8m)\leq 90.4762\\m \leq \frac{90.4762}{10.8}\\m\leq 8.3774[/tex]
Now, you can't buy 0.3 of a movie, so the most Stan can buy is 8 movies
I will give 30 points please don’t mess around. Write an informal proof for why the construction of an equilateral triangle works.
Answer:
An equilateral triangle is one with all three sides the same length. It begins with a given line segment which is the length of each side of the desired equilateral triangle. ... It is similar to the 60 degree angle construction, because the interior angles of an equilateral triangle are all 60 degrees.
Step-by-step explanation:
Here are the first four terms of an arithmetic sequence. 3 10 17 24 Find, in terms of n, an expression for the nth term of this arithmetic sequence.
Answer:
[tex]a_{n}[/tex] = 7n - 4
Step-by-step explanation:
The n th term of an arithmetic sequence is
[tex]a_{n}[/tex] = a₁ + (n - 1)d
where a₁ is the first term and d the common difference
Here a₁ = 3 and d = a₂ - a₁ = 10 - 3 = 7 , thus
[tex]a_{n}[/tex] = 3 + 7(n - 1) = 3 + 7n - 7 = 7n - 4
Which equation represents the vertical line passing through (1.-9)?
A X=-9
В. x= 1
C y=-9
D. y = 1
Answer:
B
Step-by-step explanation:
if it is a vertical line, x=1 for all values of y
Answer:it’s B i just took this
Step-by-step explanation:
Solve the equation.
y + 6 = -3y + 26
Oy= -8
O y = -5
O y = 5
Oy = 8
The solution to the equation is y = 5.
Therefore, the correct answer is "O y = 5."
Option C.
Here,
Let's solve the equation step by step to find the value of y:
Combine the y terms on the left side of the equation:
y + 3y + 6 = 26
Combine the y terms on the left side of the equation:
4y + 6 = 26
Move the constant term to the other side of the equation:
4y = 26 - 6
Simplify the right side:
4y = 20
Now, solve for y by dividing both sides of the equation by 4:
y = 20 / 4
y = 5
So, the solution to the equation is y = 5.
Therefore, the correct answer is "O y = 5."
Option C.
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7.83 x 10-11
Write in standard from
Answer:
0.0000000000783
Step-by-step explanation:
Since the exponent is negative you will move the decimal point 11 places to the left, including the number 7.
Please help will give brainliest.
Answer:
x=(4,0)
y=(0,-6)
Step-by-step explanation:
What is 1.3 as a fraction
Answer:
1.3 is pronounced 1 and 3 tenths so the fraction would be 1 3/10
Step-by-step explanation:
Hope this helps
to decrease an amount 37% multiply by
Answer:
if x is the amount =100%
then to decrease the amount by 37% =(100-37)% = 63% of x =x*63/100 =x*0.63
multiply the amount by 0.63
Step-by-step explanation:
Answer:
0.63
Step-by-step explanation:
if x is the amount=100% then to decrease by 37% multiply by 0.63
Please help me with this question.
Answer:
The measurement of largest angle is 83°
Step-by-step explanation:
Given angles are:
(2x+1)° , (x+15)° and x°
The sum of internal angles of a triangle is 180°
We will use this sum to find the value of x first
[tex](2x+1)+(x+15)+x = 180\\2x+1+x+15+x = 180\\4x+16 = 180\\4x = 180-16\\4x = 164\\\frac{4x}{4} = \frac{164}{4}\\x = 41[/tex]
Now the measurement of angles are:
x = 41
[tex]2x+1 = 2(41)+1 = 82+1 =83\\x+15 = 41+15 = 56[/tex]
Hence,
The measurement of largest angle is 83°
Rectangle LMNO is rotated 90° clockwise around the origin to create rectangle L'M'N'O'. Which statement would best describe the relationship between points N and N'? They are equidistant from origin. They are midpoints of segment ON and segment O prime N prime. They are equidistant from point O. They are midpoints of segment LN and segment L prime N prime.
Answer:
A. They are equidistant from origin.
The correct statement for the relationship between points N and N' is,
⇒ They are equidistant from origin.
What is Translation?A transformation that occurs when a figure is moved from one location to another location without changing its size or shape is called translation.
Given that;
Rectangle LMNO is rotated 90° clockwise around the origin to create rectangle L'M'N'O'.
Now,
Since, Rectangle LMNO is rotated 90° clockwise around the origin to create rectangle L'M'N'O'.
Hence, We know that;
After rotation of 90° clockwise around the origin the shape are equidistance from the origin.
Thus, The relationship between points N and N' is,
⇒ They are equidistant from origin.
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What does a,b,c,d,e equal to
Step-by-step explanation:
360÷60=6 one angle
a=18
b=36
c=84
d=108
e=114
A quadratic equation is shown below.
6x^2 = 10x - 1
What are the solutions to the quadratic equation?
Answer:
Two roots are:
[tex]x = \frac{ 5 + \sqrt{19}}{6}\\x = \frac{ 5 - \sqrt{19}}{6}[/tex]
Step-by-step explanation:
[tex]6x^2 = 10x - 1\\6x^2 - 10x + 1 = 0\\\\x = \frac{ 10 + \sqrt{10^2-4*6}}{2*6}\\x = \frac{ 10 + \sqrt{76}}{12}\\x = \frac{ 5 + \sqrt{19}}{6}\\x = \frac{ 5 - \sqrt{19}}{6}[/tex]
Adrian has 12 pounds of coffee. He wants to repackage the coffee into bags of 2/3 pounds. How many bags of coffee can he make?
Answer:
18 bags of coffee
Step-by-step explanation:
12 divided into 2/3 is the same as 12 multiplied by 3/2
12 x (3/2) = 18
18 bags x( 2/3) pounds of coffee each = 12 pounds of coffee
Graph the line with the equation y = 1/6x + 5
The equation of line is given by y = ( 1/6 )x + 5 , where the slope of the line m is = 1/6
What is an Equation of a line?The equation of a line is expressed as y = mx + b where m is the slope and b is the y-intercept
And y - y₁ = m ( x - x₁ )
y = y-coordinate of second point
y₁ = y-coordinate of point one
m = slope
x = x-coordinate of second point
x₁ = x-coordinate of point one
The slope m = ( y₂ - y₁ ) / ( x₂ - x₁ )
Given data ,
Let the equation of line be represented as A
Now , the value of A is
y = ( 1/6 )x + 5 be equation (1)
Now , it is of the form y = mx + b where m is the slope and b is the y-intercept
So , the slope of the line A is given by
Slope m = ( 1/6 )
Now , the line is plotted in the graph below
Hence , the equation of line is y = ( 1/6 )x + 5
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The line with the equation y = 1/6x + 5 is graphed in the image attached below.
Line represents the linear relationship in the coordinates forming a line.
To plot the given equation:
[tex]y=\frac{1}{6}x+5[/tex]............................................1
Take points which satisfies the given equation,
Let x=0,
from equation 1
y=0+5
y=5
So, plot A=(0,5) on the number line.
Similarly, at x=6 from equation 1
y=6/6+5
y=6
Then, plot B=(6,6) on the number line.
Similarly, at x=-6 from equation 1
y=-6/6+5
y=4
Then, plot C=(-6,4) on the number line.
Thus, draw a line joining this points and extrapolate it from both the ends as shown in the image attached below.
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