A system of linear equations with no solution means that the lines never meet. So as long as your two lines have the same slope and different intercepts, they will be parallel.
Ex.) y= 2x + 5
and y=2x + 10
to have a solution, the lines have to cross at a point. so literally any two lines that aren't parallel.
Ex.) y= 3x + 1
to find the solution you start by setting the equations equal to each other
2x + 5 = 3x + 1
1) subtract 2x from both sides
5= x + 1
2) subtract 1 from both sides
4 = x
now we know the x value of the point is 4. To find the y value plug 4 into one of the equations
2(4) + 5
8 + 5
13
so the solution to this particular system is (4,13)
The table shows information about all students doing GCSE's at a school.
Year 10 Year 11 Total
Girls: 90 60 150
Boys: 60 80 140
Total: 150 140 290
What fraction of the boys are Year 11?
Give your answer in its simplest form
Answer:
[tex] \frac{1}{2} [/tex]
Step-by-step explanation:
[tex] \frac{130}{260} = \frac{1}{2} [/tex]
The fraction of the boys of Year 11 is 1/2.
What is a fraction?Fractions are used to represent smaller pieces (or parts) of a whole.
Given that, there are total 260 students of 11 years in which 130 are girls and 130 are boys.
The fraction of boys of 11 years = 130/260 = 1/2
Therefore, half of the strength of students are boys.
Hence, The fraction of the boys of Year 11 is 1/2.
For more references on fractions, click;
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The stock for a given company has steadily increased from the beginning of 2006 to the end of 2007 by 5% per year, however, in 2008 the stocked increased by 10%. If the stock was purchased at $12.43 at the beginning of 2006, then what is the value of the stock at the end of 2008? Round your answer to the nearest cent.
A. 15.07
B. 14.36
C. 13.70
D. 13.67
Answer:
I think the answer is D on EDGE. I'm not sure how to solve this problem and im still taking the test, so i'll come back with a final answer.
Step-by-step explanation:
I received an 80% on it and it won't let me see if it is right or not.
Answer:
It’s b
Step-by-step explanation:
Which statement about the graphs of functions g(x)
(x - 1)2 and f(x) = x2 is true?
Answer:What is the axis of symmetry and vertex for the function f(x) = 3(x - 2)2 + 4? ... Which best describes the transformation from the graph of f(x) = x2 to the graph of ... The graph of the function is 1 unit up and 2 units to the left from the graph of y = x2. ... Which statement about the function is true?
Step-by-step explanation:
Find the slope and the y intercept of the chart
[tex]\frac{y_{2} - y_{1}}{x_{2} - x_{1}}[/tex]
[tex]\frac{1 - 4}{0 + 1}[/tex]
[tex]\frac{-3}{1}[/tex]
the slope is -3
y intercept is 1
y = -3x + 1
hope this helped :))
PLEASE HELP! thank you so much! :)
Which of the following can form a cross
section?
A a point and a triangle
B a plane and a cone
C a circle and a square
D a line and a
Answer:
A
Step-by-step explanation:
I did this before and I got it correct
In AABC, if m ZA = 25° and mZB = 108°, what is mZC?
Answer:
Step-by-step explanation:
Sum of all the angles of a triangle = 180°
∠A + ∠B + ∠C = 180
25 + 108 + ∠C = 180
133 + ∠C = 180
∠C = 180 - 133
∠C = 47°
2 1/2 - 4 1/8
Work this out
Answer:
3 1/8 + 2 3/8 - 1 1/4 = 17/
4
= 4 1/
4
= 4.25
Step-by-step explanation:
The quotient of x and 12
Answer:
I need to know what x is to find 12, but all i have for now is 12x
Answer:
quotient of x and 12 is 12x
Step-by-step explanation:
hope it helps
please mark me brainliest
Water goes over a waterfall at a rate of 162 1/2 gallons every 15 minutes. Which would not be a proportional you could use to solve for the gallons of water going over the waterfall in 2 2/3 hours? *more then one answer*
Answer:
look below
Step-by-step explanation
First, we need to convert 2 2/3 hours to minutes. This would be:
= 2 2/3 × 60 minutes
= 8/3 × 60 minutes
= 160 minutes
Since water goes over a waterfall at a rate of 162 1/2 gallons every 15 minutes. The the gallons of water going over the waterfall in 2 2/3 hours would be:
= (162 1/2 × 2 2/3hours) / 15 minutes
= (162 1/2 × 160) / 15
= 1733 1/3 gallon
Solve: -3+ h = 40
HELPPP
Answer:
answer: c, 43
Step-by-step explanation:
-3+h=40
+3 +3 add 3 to both sides
h=43
Answer:
Its c
Step-by-step explanation:-3 + h = 40 cause 43 -3 is 40
1/8 + -3/16 how do you solve this?
Answer:
-1/16
Step-by-step explanation:
Answer: 1/8 + -3/16 = -1/16
Step-by-step explanation:
First, multiply the numerator and denominator of 1/8 by 2.
1/8 + -3/16
1 x 2 = 2
8 x 2 = 16
2/16 + -3/16
Next, turn the + and - into one -.
2/16 + -3/16
2/16 - 3/16
Finally, solve 2/16 - 3/16! We will get a negative number.
2/16 - 3/16 = -1/16
1/8 + -3/16 = -1/16
Step by step explanation please so I can see how to do it
Answer:
875 units
Step-by-step explanation:
35/5=7 AD and BC =7
25/5=5 the ratio of the to rect are 5
7(5)=35 EH and FG =35
25(35)=875
can you mark me the brainliest please
Each earbud is of an inch long. If you put 8 earbuds end to end, how long would they be from beginning to end?
Answer:
8 inches from beginning to end
Step-by-step explanation:
8 inches because 1 times 8 is 8
What is the area of the triangle in the diagram?
Answer:no idea mate sorry
Step-by-step explanation:
PLZ HELP.
You increase the amounts of ingredients in a recipe to make a proportional recipe. The original recipe uses two avocados and 0.25 cup of minced onions. The new recipe has 1.5 cups of minced onions. Write a proportion that gives the number x of avocados in the new recipe. Then determine how many avocados are in the new recipe.
Answer:
12 Avacodos
Step-by-step explanation:
if there are 2 avocados for every. 25 minced onions then you divide 1.50/.25 and get 6, then you multiply 2 by 6
1
Crista works for a company that cuts down diseased palm trees before they fall and cause
damage. She must determine the height of the palm tree.
5 ft
6 ft
27 ft
Crista is 5 feet tall and has measured her shadow to be 6 feet long. At the same time, she
measured the tree's shadow to be 27 feet long. What is the height (h) of the palm tree?
Answer: its 27
Step-by-step explanation:
2x^4 + 22x^3 + 56x^2
Answer:
2x^2(x + 4)(x + 7)
Step-by-step explanation:
Factor the polynomial
Please give me Brainliest
50% to 36.75 what is the original price
Answer: 73.50
Step-by-step explanation:
I am assuming that the new price is 36.75
50% is 1/2
36.75·2=original price
original price=73.50
PLEASE HELP ME FAST ANSWERS ONLY!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
Answer:
1. $15
2. $450
3. $20
Brainly plz :))
Someone please help me! I need help with these 6 questions please!!
y = x + 4
y = x - 4
does this system have a solution?
Answer:
No solution
Step-by-step explanation:
y = x + 4
y = x - 4
The slopes are the same (1), but the y intercepts are different ( 4, -4)
That means the lines are parallel, so they will not intersect. That means the system does not have a solution.
look at image.........
Answer:
47
Step-by-step explanation:
angle tsq and angle wvs are corresponding angles meaning that they are the same angle.
Answer:
47°
Step-by-step explanation:
TSQ and WVS are the same size
Todd and Joan each generate a random sample of the 250 students in Grade 7 at their school. Each sample has 20 students. Todd and Joan write the numbers 1 through 250 on small pieces of paper and put them in different jars. Then, they draw numbers randomly. Describe two things you notice about the two random samples taken from the same population.
Answer:
B. There is a slightly more even distribution in the numbers in Joan's Group than in Todd's Group. C. Only one number, 28, is the same between the two samples.
Step-by-step explanation:Your welcome loves :)
New reported cases in New York state sinc 1999..Y is the represents the number of new cases....Find project cases since 2011
Answer:
where is the photo?
Step-by-step explanation:
Which equation is equivalent to -6 - x) = 24?
A. -6 + x = 24
B. -6 + x = -24
C. -6- x = 24
D. -6- x = -24
Answer:
i beleive it is d
Step-by-step explanation:
i dont know if this is completly correct sorry
Which two ratios represent quantities that are proportional?
Answer:
D. 45/18 = 35/14Step-by-step explanation:
Lets simplify the ratios where possible and compare:
A. 3/4 = 9/12 ≠ 5/12B. 32/20 = 16/10 ≠ 22/10C. 7/5 = 14/10 ≠ 14/9D. 45/18 = 5/2 (divide by 9) and 35/14 = 5/2 (divide by 7)The last two ratios represent proportional quantities
solving equation with integers add/sub
Alexa has a cylindrical recycling can with a diameter of 20 cm and a height of
30 cm. What is the approximate volume of the can?
Answer:
I think its 600 bc u multiply 20 by 30 cms to get the volume.
Step-by-step explanation:
A high-definition TV costs $500. If a 6.5% sales tax is added, what is the total cost?
Answer:
532.5
Step-by-step explanation:
I really hope this answer helps you!!
1. Sort numbers starting from the smallest:
-0.5; -1.2; -0.65; 1.5; 0.2; 1.13
PLS HELP NOBODY EVER ANSWERS ME
Answer:
0.2 0.5 0.65 1.5 1.13
Step-by-step explanation:
smallest to largest
-1.2
-0.65
-0.5
0.2
1.13
1.5