Answers
Answer:
the answers are below
Step-by-step explanation:
I don't know which one you needed help on
First one: 128x=96 --> x=3/4 so 96 is 75% of 128
Second one: 7^2=49, then use distributive property for the second part (3*5.2) and (3*-2.8)---> 49+15.6-8.4= 56.2
Third one: find the greatest common factor between 7x and 56 (it is 7 since seven can go into 56)---> 7(x+8)
Related Questions
how do you do this problem???????????????/
Answers
Answer:
Price in Japan= 17.81
Price in Switzerland = 13.58
Step-by-step explanation:
First set up system of equations
80.59 = 3j +2s
76.36 = 2j + 3s
Make it to where you can eliminate one variable
161.18 = 6j +4 s
-229.08 = -6j - 9s
Reset the problem
-67.9 = -5s
s=13.58
Re plug them in to the original equation to get j = 17.81
By solving a system of linear equations formed from the given information, we found the average cost of a movie ticket in Japan to be $24.60, and in Switzerland to be $6.79.
Explanation:Let's denote J as the cost of a movie ticket in Japan and S as the cost of a movie ticket in Switzerland. From the problem, we establish two equations: 3J + 2S = $80.59 and 2J + 3S = $76.36. This is a system of linear equations that can be solved by substitution or elimination. If you choose elimination, add these two equations together, which results in 5J + 5S = $156.95, or J + S = $31.39. Now, substitute (J + S) in first equation, we get 3J + 2(31.39 - J) = 80.59. Solving this equation we find J = $24.60. Thus, the price of a movie ticket in Switzerland is S = $31.39 - $24.60 = $6.79. Therefore, a movie ticket in Japan costs $24.60 on average, and in Switzerland, it costs $6.79.
Learn more about Solving Linear Equations here:https://brainly.com/question/11897796
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The complete question is here:
Average movie prices in the United States are, in general, lower than in other countries. It would cost $80.59 to buy three tickets in Japan plus two tickets in Switzerland. Three tickets in Switzerland plus two tickets in Japan would cost $76.36. How much does an average movie ticket cost in each of these countries?
In Japan the average cost is __.
In Switzerland the average cost is _____.
Find the length of side x in simplest radical form with a rational denominator
Answers
It's the triangle 30° - 60° - 90°.
The sides are in proportion 1 : √3 : 2 (look at the picture).
Therefore we have:
[tex]x=\dfrac{\sqrt6\cdot\sqrt3}{2}=\dfrac{\sqrt{(6)(3)}}{2}=\dfrac{\sqrt{18}}{2}=\dfrac{\sqrt{(9)(2)}}{2}\\\\=\dfrac{\sqrt9\cdot\sqrt2}{2}=\boxed{\dfrac{3\sqrt2}{2}}[/tex]
Answer:
ok
Step-by-step explanation:
Myron is cooking meat. The double number line shows that he needs 1 2 12 hours to cook 5 5 kilograms of meat. 0 0 5 5 Meat Meat (kg) (kg) 0 0 1 2 12 Time Time (hours) (hours) Based on the ratio shown in the double number line, how long does Myron need to cook 3 3 kilograms of meat?
Answers
Answer: 7 hours 12 minutes
Step-by-step explanation:
Let he needs x hours to make 1 kg of meat.
Therefore, time taken in making 5 kg of meat = 5 × x = 5x hours.
But, According to the question,
He needs 12 hour to cook 5 kg of meat.
Thus, 5 x = 12
⇒ [tex]x = \frac{12}{5}[/tex] ( By dividing both sides by 5 )
⇒ He needs [tex] \frac{12}{5}[/tex] hours to make 1 kg of meat.
⇒ The time taken to cook 3 kg of meat = [tex]3\times \frac{12}{5}=\frac{36}{5} [/tex]
= [tex]7\frac{1}{5}[/tex] hours ⇒ 7 hours 12 minutes
Hence, He needs 7 hours 12 minutes time to cook 3 kg of meat.
After calculating, we determined that Myron needs 54 minutes to cook 3 kilograms of meat.
This problem can be solved by setting up a proportion since it involves a direct ratio between the weight of meat and the cooking time.
The given ratio is 1 1⁄2 hours for 5 kilograms of meat (1:5 ratio). To find the time needed for 3 kilograms of meat, use the proportion:
5 kg :- 1 1⁄2 hours
3 kg :- x hours
Solving for x yields the following:
5 kg / 3 kg = 1 1⁄2 hours / x hours
x = (1 1⁄2 hours × 3 kg) / 5 kg
Converting 1 1⁄2 hours to minutes (90 minutes) and then performing the multiplication and division:
x = (90 minutes × 3) / 5
x = 270 minutes / 5
x = 54 minutes
Thus, Myron needs to cook 3 kilograms of meat for 54 minutes.
what two numbers have 90 as their lcm and 810 as their product
Answers
Answer:
9,90
Step-by-step explanation:
Since their lack is 90, we can divide 810 by 90 and get 9. So 9 is their common factor. So 9 and 90.
To find two numbers with 90 as their LCM and 810 as their product, prime factorize 810, and choose two numbers from the prime factors that satisfy the conditions.
Explanation:The question asks to find two numbers that have 90 as their lowest common multiple (LCM) and 810 as their product.
To find these numbers, we need to first prime factorize 810. The prime factorization of 810 is 2 x 3 x 3 x 3 x 3 x 5.
Now, we need to choose two numbers from these prime factors such that their product is 810 and their LCM is 90. Since 90 = 2 x 3 x 3 x 5, we can choose 3 x 3 x 2 = 18 and 5 as the two numbers.
Please need help on this
Answers
Answer:
A: 20 km/hr B: 10 km/hr
Step-by-step explanation:
12 is what percent of 50
Answers
Answer:24%
Step-by-step explanation:
Step 1: We make the assumption that 50 is 100% since it is our output value.
Step 2: We next represent the value we seek with x
Step 3: From step 1, it follows that 100\%=50.
Step 4: In the same vein, x\%=12.
Step 5: This gives us a pair of simple equations:
hope this helps
What is the total amount of sap trees produced that day? Please tell me ASAP(as soon as possible) because this lesson is due for a grade tomorrow and I’m stuck on this question. Please tell me now because I have to go, Thanks!
Answers
Answer: 5 gallons
Step-by-step explanation:
There are 3 x's on the graph for 1/4, so 1/4 times 3=3/4
There are 2 x's on the graph for 3/8, so 3/8 times 2=3/4
There are 4 x's on the graph for 5/8, so 5/8 times 4=5/2
There is only 1 x for 1, so it will remain 1.
So if you add these up,
3/4+3/4+5/2+1
6/4+10/4+1
16/4+1
4+1
There is 5 gallons of sap produced that day.
Hope this helped!
Answer:
5 gallons
Step-by-step explanation:
Number of x's on 1/4 = 3
So, amount of sap trees produce that day = 3/4
Number of x's on 3/8 = 2
So, amount of sap trees produce that day = 2 × 3/8 = 3/4
Number of x's on 5/8 = 4
So, amount of sap trees produce that day = 4 ×5/8 = 5/2
Number of x's on 1 = 1
So, amount of sap trees produce that day = 1 × 1 =1
Therefore,
total amount of sap the trees produce = amount of sap trees produce based on number of x's on 1/4 + amount of sap trees produce based on number of x's on 3/8 + amount of sap trees based on number of x's on 5/8 + amount of sap trees based on number of x's on 1 = [tex]\frac{5}{2}+\frac{3}{4}+\frac{3}{4}+1=\frac{10+3+3+4}{4}=\frac{20}{4}=5\,\,gallons[/tex]
Solve using elimination
2x+5y=34
x+2y=14
Answers
2x + 5y = 34
x+2y = 14
Multiply the second equation by two to create like terms for one variable.
2(x+2y = 14)
2x + 4y = 28
2x + 5y = 34
2x + 4y = 28 -- Subtract.
y = 34.28 = 6
Solve for x
x + 2(6) = 14
x + 12 = 14
x = 2
Check:
2 + 2(6) = 14
2 + 12 = 14
14 = 14
Answer:
X = 2
Y = 6
Identify an equation in point slope form for the line perpendicular to y = -1/3 x - 6 that passes through (-1,5)
Answers
Answer:
y + 1 = 3(x - 5) Answer
Step-by-step explanation:
Find the slope of the perpendicular line.
m1 * m2 = - 1
m1 = - 1/3
m2 is the slope of the perpendicular
(-1/3) * m2 = - 1 Multiply both sides by -3
-(3)(-1/3) * m2 = -1 * -3
m2 = 3
The slope of the perpendicular line is 3
Find the equation of the line.
m = (y - y1)/(x -x1)
y - y1 = m(x - x1) is the equation of the line.
y1 =5
x1 = - 1
(y - - 1) = 3(x - 5)
y + 1 = 3(x - 5) Answer
Use the double intercept approach to find the graph of –1 = –y + x. A. B. C. D.
Answers
Answer:
Intercepts at (-1, 0) and (0, 1).
Step-by-step explanation:
The double intercept form for the equation of a line is
ax + by = 1
-1 = -y + x
y = 0
x = -1 Multiply each side by -1
-x = 1
The x-intercept is at (-1, 0).
=====
x = 0
-1 = -y Multiply each side by -1
y = 1
The y-intercept is at (0, 1).
=====
The graph (see below) is a straight line passing through the points (-1, 0) and (0, 1).
What is the length of chord cd in 0 below
Answers
Answer:
I believe 5 units
Step-by-step explanation: I believe it is five units because the other one Chord AB is also 5 units. Plz mark brainliest if correct
Answer:
5
Step-by-step explanation:
Because it is at same distance as other one from center so they have same lengths
the graph of a line has a slope of -2/3 and a y intercept of (0,2). rewrite the equation in standard for (Ax+By=C) with a positive term. A,B, and C must all be intergers. what is the answer?
Answers
Answer:
2x + 3y = 6
Step-by-step explanation:
obtain the equation in slope- intercept form
y = mx + c ( m is the slope and c the y-intercept )
here m = - [tex]\frac{2}{3}[/tex] and c = 2
y = - [tex]\frac{2}{3}[/tex] x + 2 ← in slope-intercept form
multiply all terms by 3 to eliminate the fraction
3y = - 2x + 6 ( add 2x to both sides )
2x + 3y = 6 ← in standard form
which of these numbers is composite? 3,5,19,71,85
Answers
Answer:
85
Step-by-step explanation:
Answer:85 would be the correct Answer
Can I have Brainliest?
Step-by-step explanation:
Ben, Cam, and Justin are lumberjacks. The number of trees they chop down is given by b+2c+3jb+2c+3j where b is the number of hours Ben spends chopping, c is the number of hours Cam spends chopping, and j is the number of hours Justin spends chopping.
How many trees do they chop down after Ben spends 88 hours chopping, Cam spends 33 hours chopping, and Justin spends 44 hours chopping?
Answers
Answer:
748 trees PLEASE GIVE BRAINLIEST
Step-by-step explanation:
b + 2c + 3jb + 2c + 3j =
88 + 2(33) + 3(44)(88) + 2(33) + 3(44) =
88 + 66 + 396 + 66 + 132 = 748 trees
After Ben spends 88 hours chopping, Cam spends 33 hours chopping, and Justin spends 44 hours chopping, they chop down a total of 286 trees.
To find the total number of trees chopped down, we'll use the given formula: ( b + 2c + 3j ), where ( b ) is the number of hours Ben spends chopping, ( c ) is the number of hours Cam spends chopping, and ( j ) is the number of hours Justin spends chopping.
Given that Ben spends 88 hours chopping ( b = 88 ), Cam spends 33 hours chopping ( c = 33 ), and Justin spends 44 hours chopping ( j = 44), we can substitute these values into the formula.
Plugging in the values:
[tex]\[ \text{Total trees} = 88 + 2(33) + 3(44) \][/tex]
Now, we calculate each term:
[tex]\[ 2(33) = 66 \][/tex]
[tex]\[ 3(44) = 132 \][/tex]
Then, we add up all the terms:
[tex]\[ \text{Total trees} = 88 + 66 + 132 \][/tex]
[tex]\[ \text{Total trees} = 286 \][/tex]
So, after Ben spends 88 hours chopping, Cam spends 33 hours chopping, and Justin spends 44 hours chopping, they chop down a total of 286 trees.
The frame is being enlarged to hang on a gallery wall. Using the scale factor of 1 in = 3 ft, give the new dimensions of the outside edges of the frame. New Dimensions: 5in. = ___________ 7in=___________
Answers
Answer:
Part A) [tex]5\ in=15\ ft[/tex]
Part B) [tex]7\ in=21\ ft[/tex]
Step-by-step explanation:
we know that
The scale factor is [tex]\frac{1}{3}\frac{in}{ft}[/tex]
so
using proportion
Part A)
[tex]\frac{1}{3}\frac{in}{ft}=\frac{5}{x}\frac{in}{ft}\\ \\x=5*3\\ \\x=15\ ft[/tex]
therefore
[tex]5\ in=15\ ft[/tex]
Part B)
[tex]\frac{1}{3}\frac{in}{ft}=\frac{7}{x}\frac{in}{ft}\\ \\x=7*3\\ \\x=21\ ft[/tex]
therefore
[tex]7\ in=21\ ft[/tex]
what the answer to
-2v+8 (1+2v)=-90
Answers
Answer:
v=2-2root7, v=2+2root7
Step-by-step explanation:
-2v+8(1+2v)=-90
-2-4v^2+8+16v=-90
6-4v^2+16v=-90
-4v^2+16v=-96
v=2-2root7, v=2+2root7
Answer
-2v+8 (1+2v)=-90 then V = -7
Step-by-step explanation:
-2v + 8 x (1 + 2v) = -90
-2v + 8 + 16v = -90
14v + 8 = -90
14v = -98
V = -98/14
V= -7
Hope this helps ;)
Write the following equation in the general form Ax + By + c = 0. 1/2 y- 1/3 x-1=0
Answers
Answer:
2x- 3y = - 6
Step-by-step explanation:
given [tex]\frac{1}{2}[/tex] y - [tex]\frac{1}{3}[/tex] x - 1 = 0
multiply all terms by 6 to eliminate the fractions
3y - 2x - 6 = 0 ( multiply all terms by - 1 )
- 3y + 2x + 6 = 0 ( subtract 6 from both sides )
2x - 3y = - 6 ← in standard form
Determine the correct scientific notation form of the number. 518,000,000 A) 5.18 x 106 B) 5.18 x 108 C) 51.8 x 107 D) 518 x 106
Answers
Answer:
It's B ) 5.18*108
Step-by-step explanation:
Multiplying these two gives you 518,000,000
Answer: Option 'B' is correct.
Step-by-step explanation:
Since we have given that
518, 000, 000
So, it can be written as
[tex]518\times 10^6[/tex]
But we need a scientific notation which means that decimal should be put after first number.
So, scientific notation would be
[tex]5.18\times 10^8[/tex]
Hence, Option 'B' is correct.
Which of the following angles is not coterminal with the other three? Question 15 options: 231° 51° –129° 591°
Answers
Answer:
51
Step-by-step explanation
Given angles can break like this :
231 = 180 +51
51= 0+51
-129= -180+51
591= 360+180+51
so angles 231, -129 and 591 corresponds to the same terminal while 51 is not related to the particular quadrant . so 51 is not co-terminal with the other three angles .
Solve the inequality.
4d + 7 ≤ 23
Answers
Answer:
d ≤ 4
Step-by-step explanation:
4d + 7 ≤ 23
Subtract 7 from both sides:-
4d ≤ 16
d ≤ 4
[tex]Solution, 4d+7\le \:23\quad :\quad \begin{bmatrix}\mathrm{Solution:}\:&\:d\le \:4\:\\ \:\mathrm{Interval\:Notation:}&\:(-\infty \:,\:4]\end{bmatrix}[/tex]
[tex]Steps:[/tex]
[tex]4d+7\le \:23[/tex]
[tex]\mathrm{Subtract\:}7\mathrm{\:from\:both\:sides},\\4d+7-7\le \:23-7[/tex]
[tex]\mathrm{Simplify},\\4d\le \:16[/tex]
[tex]\mathrm{Divide\:both\:sides\:by\:}4,\\\frac{4d}{4}\le \frac{16}{4}[/tex]
[tex]\mathrm{Simplify},\\d\le \:4[/tex]
[tex]\mathrm{The\:Correct\:Answer\:is\:d\le \:4}[/tex]
[tex]\mathrm{Hope\:This\:Helps!!!}[/tex]
[tex]-Austint1414[/tex]
naomis fish is 40 ml long her guinea pig is 25 cm long how much longer is her guinea pig than her fish
Answers
Answer:
the guinea pig is 21 cm longer
Step-by-step explanation:
fish = 40 mm
guinea pig 25 cm
convert the fish to cm
1 cm = 10 mm
40 mm * 1 cm/10 mm = 4 cm
guinea pig - fish
25 cm - 4 cm
21 cm
the guinea pig is 21 cm longer
In parallelogram ABCD , diagonals AC⎯⎯⎯⎯⎯ and BD⎯⎯⎯⎯⎯ intersect at point E, BE=x2−21 , and DE=4x .
What is BD ?
__units
Answers
Answer:
BD= 56units
Step-by-step explanation:
Since, Diagnols of a parallelogram bisect each other.
Therefore in parallelogram ABCD where AC and BD are the diagnols wich intersect at Point E, we have, BE=DE
Therefore, x^2-21=4x
x^2-21-4x=0
x^2-4x-21=0
x^2-7x-3x-21=0 [middle term splitting]
x(x-7)+3(x-7)=0
(x+3)(x-7)=0
Hence, x= -3 and x= 7
Since x cannot be negative because no side can have negative values
Therefore, we have x=7
Now, BD= BE+DE [Since E is the intersecting point of BD]
= 4x+x^2-21
= 4(7)+7^2-21
=28+49-21= 56 units
5(-6)plus (-7)
Please help
Answers
Answer:
-37
Step-by-step explanation:
Well for the multiplication its easy because if it is different signs then all you have to do is multiply it normally the add the negatuve sign.
6×5=30
-6×5=-30
2. For adding negative number to a negative number you just add it on.
Answer:
-37
Step-by-step explanation:
Remember to follow PEMDAS and the left -> right rule.
PEMDAS:
Parenthesis
Exponent (& roots)
Multiplication
Division
Addition
Subtraction
----------------
Also, note the rules of sign:
Multiplying...
Positive number and another positive number will result in a positive answer.
Positive number and a negative number will result in a negative answer.
Negative number and another negative number will result in a positive answer.
--------------------------------------------------------------------------------------------------------
Note the question:
5 x -6 + (-7)
First, change the sign for -6 + -7. Note the rule above and change the sign.
5 x -6 - 7
Next, solve. Remember to follow PEMDAS. Multiply 5 and -6 together
5 x -6 = -30
Then, combine the remaining terms.
-30 - 7 = -37
You're answer:
-37
--------------------------------------------------------------------------------------------------------
~
41.073 round each number to the place of the underlined digit. The underline number is 0
Answers
Answer:
41.1
Step-by-step explanation:
The number will be cut off after the digit you are rounding off to.
Rewrite the number, but stop at the 0.
41.0
Now you need to decide if the 0 stays as 0 or if it goes up to 1.
When the next digit is from 5 to 9, the last digit you keep goes up 1. When the next digit is 0 through 4, the last digit you keep stays as it was.
Since the first digit that was dropped is a 7, the 0 goes up one unit to 1.
Answer: 41.1
Answer:
41.1
Step-by-step explanation:
If we are rounding at the 0, we have to look at the next digit, which is 7.
Since 7>=5, we will round up. Zero becomes a 1
41.073 becomes 41.1
Helpppppppoo qucikkk
Answers
Answer:
x² - 2x - 3
Step-by-step explanation:
P(x) - Q(x)
= x² - x - 6 - (x - 3) ← distribute
= x² - x - 6 - x + 3 ( collect like terms )
= x² - 2x - 3
which of the following have the same y-intercept as the eqaution y=2x+3
Answers
Considering it's concept, any function with f(0) = 3 was the same y-intercept as y = 2x + 3.
What is the y-intercept of a function f(x)?The y-intercept is f(0), that is, the value of y when x = 0, which is interpreted as the initial value of the function.
In this problem, the function is given by:
y = 2x + 3.
The y-intercept is given by:
y = 2(0) + 3 = 3.
Hence, any function with f(0) = 3 was the same y-intercept as y = 2x + 3.
More can be learned about the y-intercept of a function at https://brainly.com/question/27979095
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what is the approximate surface area of the cylinder 3mm 16mm (use 3.14 for π)
A. 301.44mm^2
B. 357. 96mm^2
C. 339.12mm^2
D. 370.52mm^2
Answers
The formula of a Surface Area of a cylinder:
[tex]S.A.=2\pi r^2+2\pi rH[/tex]
r - radius
H - heihgt
We have r = 3mm and H = 16mm. Substitute:
[tex]S.A.=2\pi(3)^2+2\pi(3)(16)=2\pi(9)+2\pi(48)=18\pi+96\pi=114\pi\ mm^2\\\\\pi\approx3.14\to S.A.\approx114\cdot3.14=357.96\ mm^2[/tex]
Answer: B. 357.96 mm^2Suppose you had $100 in a savings account and the interest rate was 2% per year. After 5 years, how much do you think you would have in the account if you left the money to grow?
Answers
Answer:
$110
Step-by-step explanation:
A = P(1 + r/n)ⁿ⁺
A = 100(1 + .02/1)¹⁽⁵⁾
A = 100(1.10)
A = $110
Using the simple interest formula, you can calculate that after 5 years at an annual interest rate of 2%, an initial deposit of $100 in a savings account would grow to $110.
Explanation:The subject of this question is simple interest, which is important in Mathematics. To calculate how much money would be in your account after 5 years with an interest rate of 2% per annum, you would utilize the simple interest formula:
Interest = Principal x Rate x Time (I = PRT)
The principal (P) is the initial amount of money, which is $100. The rate (R) is the interest rate per period. The time (T) represents the number of periods.
In our case: The principal is $100, the rate is 2% (or 0.02 in decimal form), and the time is 5 years. Substituting these values into the formula gives. Interest = $100 x 0.02 x 5 = $10. After 5 years, you are entitled to $10 interest. This means the total amount in your account will be your initial principal plus the earned interest: $100 + $10 = $110.
Learn more about Simple Interest here:https://brainly.com/question/22621039
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______-8=9
Blank -8=9
Answers
17 - 8 equals 9
Answer:17
Step-by-step explanation:8+9 =17
x+y=10 and 2x+4y=30
What are the steps to solve this equation?
Answers
Answer:
x=5 and y=5
Step-by-step explanation:
You "plug" one equation into the other, to get a new equation that only has one variable (x or y), then you can simplify that and have your answer.
So let's plug the first into the second:
First, we convert the first equation into an x=... form. For this one, this means moving the +y to the other side:
x = 10 - y
Now we substitute 10-y for x in the second equation:
So 2x+4y=30 becomes:
2(10-y) + 4y = 30
And simplify that:
20 - 2y + 4y = 30
20 + 2y = 30
2y = 30-20
2y = 10
y = 5
This is the first answer! If we put this into the first equation, we get:
x = 10 - 5 = 5
Now we have both answers, x=5 and y=5