Answer:
The ship arrived at 5 am on Saturday
Step-by-step explanation:
Here, we want to know at what time and day the ship arrive the second port
we simply need to add the time it left the first port and the amount of time the journey took
Mathematically, that will be;
22:45 + 7 1/4
1/4 is same as 60/4 = 15 minutes
So we have;
22:45 + 7:15
= 5 am on Saturday
Solve by substitution.
2x - 3y = 3
y= 7 - 2x
Answer:
x=3 y=1
Step-by-step explanation:
plug in y. 2x-3(7-2x)=3
then get 8x=24
x=3
then plug in x in either equation
y=7-2(3)
y=1
Tim incorrectly says
that the solution of the system of equations is
x= -9, y= -4.
System of equations:
6x - 2y = -6
11 = y - 5x
a. What is the correct solution?
b. What error might Tim have made?
Answer:
a)First, solve and regroup
11=y-5x
y=11+5x.
Plug in:
6x-2(5x+11)=-6
6x-10x-22=-6
-4x-22=-6.
-4x=16
x=-4.
Plug it:
y=11+5(-4)
y=11-20
y=-9.
x,y=-4,-9.
b) The error Tim made is that he confused the x and y.
The correct answer is -4,-9.
He said it was -9,-4.
Hope this helps plz hit the crown ;D
The correct solution is -4,-9 time might have changed x coordinate with y-coordinate
What is a linear equation?
A linear equation is an equation that has the variable of the highest power of 1. The standard form of a linear equation is of the form Ax + B = 0.
6x-2y = -6...1
11= y-5x...2
(a) Rearranging the 2 equation;
11=y-5x
y=11+5x.
substituting in first equation;
6x-2(5x+11)=-6
6x-10x-22=-6
-4x-22=-6.
-4x=16
x=-4.
Now putting the value of x in second equation;
y=11+5(-4)
y=11-20
y=-9.
x,y=-4,-9.
(b) The error Tim made is; he confused the x and y.
The correct answer will be -4,-9.
Learn more about linear equations;
https://brainly.com/question/10413253
#SPJ5
Find the area of the 4 walls of room whose length is 15, breadth is 12 and the height is 14.
Answer:756
Step-by-step explanation:
the formula of the four walls is 2(lh+bh)
so that would be: 2(12*14+15*14)=756
convert to standard form y=8x+11
Answer:
[tex]8x - y = - 11[/tex]
Step-by-step explanation:
write in standard form:
[tex]ax + by = c[/tex]
Write Standard Form:
Ax + By = CSolution:
y = 8x + 11y + (-8x) = 8x + (-8x) + 11-8x + y = 11(-1)(-8x + y) = (11)(-1)8x - y = -11Final Answer:
8x - y = -11#CarryOnLearning
What is the range of this (may be more than one answer)
I really need help please
Simplify
5(2.4w + 1) + (7w - 6)
Answer:
19w-1
Step-by-step explanation:
5(2.4w+1)+(7w-6)
12w+5+7w-6
19w-1
Final Answer: [tex]19w - 1[/tex]
Steps/Reasons/Explanation:
Question: Simplify [tex]5(2.4w + 1) + (7w - 6)[/tex].
Step 1: Remove parentheses.
[tex]5 (2.4w + 1) + 7w - 6[/tex]
Step 2: Expand by distributing terms.
[tex]12w + 5 + 7w - 6[/tex]
Step 3: Collect like terms.
[tex](12w + 7w) + (5 - 6)[/tex]
Step 4: Simplify.
[tex]19w - 1[/tex]
~I hope I helped you :)~
Please help with this question
Answer:
A
Step-by-step explanation:
When the temperature has a negativ sign on it, it is below zero
When the temperature is a natural number, it is above zero
Answer: above zero
Step-by-step explanation:
Because if it was below zero there would be a negative Infront of the number so show it’s below zero but there’s not, so I’m pretty sure it would be above zero. I hope this helps
Which inequality correctly matches the graph?
Answer:
The inequality correctly matches the graph is -2 < x < 4 ⇒ B
Step-by-step explanation:
From the given figure
∵ There is a segment drawn from -2 to 4
∴ The starting point of the inequality is -2
∴ The ending point of the inequality is 4
∵ The endpoints of the segments are white circles (not shaded)
→ That means the signs of inequality without sign =
∴ The values of x are between -2 and 4
∴ The inequality is -2 < x < 4
∴ The inequality correctly matches the graph is -2 < x < 4
Pedro and Carmela are cleaning their kitchen. It takes Pedro 3 hours to clean the kitchen by himself, while Carmela can clean the kitchen in 2
hours. Which equation can be used to calculate how long it will take them to clean the kitchen if they work together?
o * + = 1
31 + 2 = 1
Answer:o * + = 1
Step-by-step explanation:
✨✨✨IDENTIFY THE DOMAIN AND RANGE OF EACH. THEN SKETCH THE GRAPH✨✨✨ PLS HELPPPPPPP
Answer:
A
Step-by-step explanation:
The graph stops at the point (-1,-3) so
The domain (x) would have to be greater than or equal to -1
The range (y) would be greater than or equal to -3
Please please please help
Answer:
B
Step-by-step explanation:
I checked it and it’s right I hope this helps!!
Triangle GHI with vertices G(4, 1), H(5, -4), and I(2, -8) REFLECTED over the line y = x.
Answer:
Below.
Step-by-step explanation:
This transformation is described by (x,y)---> (y,x).
G(4,1) ---> G'(1,4)
H(5,-4) ---> H'(-4,5)
I(2, -8) ----> I'(-8,2).
10. Rewrite into slope-intercept form 7x + y = 25
To write in slope-intercept form, you first need to get y by itself. To do this, subtract 7x from both sides of the equation.
Doing this gets you: y = 25 - 7x
Now that y is by itself, remember that slope-intercept form looks like this: y = mx + b
So, let's switch the right side.
y = -7x + 25
Slope intercept form is: y = -7x + 25
Rules for y in Slope-Intercept form:
y must be positive
y must be by itself (so, not 2y, or anything with it... just y)
The distance from Jason’s house to school is 0.5 kilometer. What is this distance in meters?
Answer:
500
Step-by-step explanation:
Question 6
a number is five less than 3 time another number
use x for the variable
Question 7
-2x+3y-9-5y+2-4x
Answer:
Step-by-step explanation:
here you go mate
step 1
-2x+3y-9-5y+2-4x equation
step 2
-2x+3y-9-5y+2-4x expand
-2x+3y+-9+-5y+2+-4x
step 3
-2x+3y+-9+-5y+2+-4x combine like terms
answer
-6x-2y-7
can i have brainliest if you dont mind?
Find f (3)for f () = 5* - 12.
3
57
113
125
Answer:
113
General Formulas and Concepts:
Pre-Algebra
Order of Operations: BPEMDAS
Brackets Parenthesis Exponents Multiplication Division Addition Subtraction Left to RightAlgebra I
Function NotationStep-by-step explanation:
Step 1: Define
f(x) = 5ˣ - 12
f(3) is x = 3
Step 2: Evaluate
Substitute in x: f(3) = 5³ - 12Exponents: f(3) = 125 - 12Subtract: f(3) = 113Anja divides (8x3 – 36x2 + 54x – 27) by (2x – 3) as shown below. What error does Anja make? 2 x minus 3StartLongDivisionSymbol 8 x cubed minus 36 x squared + 54 x minus 27 EndLongDivisionSymbol. minus 8 x cubed minus 12 x squared to get a remainder of negative 24 x squared + 54 x. minus 24 x squared + 36 x to get a remainder of 18 x minus 27. minus 18 x + 27 to get a remainder of 0 and a quotient of 4 x squared minus 12 x + 9
Answer:
c. she makes a multiplication error.
Step-by-step explanation:
edge:) 2020
Answer:
she makes a multiplication error
Step-by-step explanation:
took the test
What is the perimeter of triangle ABC?
Answer:
18 units
Step-by-step explanation:
Using the midpoint theorem, the perimeter of the triangle formed by joining the midpoints of the original triangle is exactly half the size in perimeter
What we mean in this case is that the perimeter of BAC IS two times the perimeter of EDF
perimeter of EDF is the sum of all the sides = 2 + 4 + 3 = 9
So the perimeter of BAC is 2 * 9 = 18
Write the quadratic equation in standard form:
7x + 15 + x^2= -1
Solve the linear equations
2y - 2x = - 30
x = 3y + 9
Answer:
1. Slope= 1.000
2. Slope= 0.333
Step-by-step explanation:
Hope this helps, If you need the x and y-intercepts just let me know and I can edit.
Brain-List?
Answer:
the solution is (18, 3)
Step-by-step explanation:
Let's first eliminate x. Multiply the second equation by 2, obtaining
2x = 6y + 18
Then add this result to the first equation 2y - 2x = -30:
2x = 6y + 18
2y - 2x = -30
-------------------- or
2x = 6y + 18
-2x = -30 - 2y
--------------------
0 = 4y - 12, which yields y = 3.
Substitute 3 for y in the second equation to obtain the value of x:
x = 3(3) + 9, or x = 18
Then the solution is (18, 3).
Note that we could do this faster by reducing 2y - 2x = -30 to y - x = -15
Then the second equation becomes x = 3(y) + 9, or
x = 3y + 9, with x = 18
Then 18 = 3y + 9, or 3y = 9, or y = 3 (as before)
Which ones have been translated ?thank you
Answer:
looks like D! Have a nice day :D
please help me on this
Answer:
59
Step-by-step explanation:
59
HELPPP!!!!
Complete the two-column proof by filling in the blanks.
Answer:
2. Substitution property
3. Given
4. Definition of congruent angles
5. Substitution property
6. Subtraction property of equality
7. Definition of congruent angles
8. Given
9. Definition of equilateral triangle
11. SAS (10, 7, 9)
Step-by-step explanation:
HELPPPPPPP!!!!!! THIS IS DUE AT 4:20
Answer:
B. PK = 15, RJ = 9
Step-by-step explanation:
RQ = 3
PQ = 5
✔️In ∆JKL, Q is the centroid. According to the centroid theorem, thus:
⅓(RJ) = RQ
⅓(RJ) = 3
Multiply both sides by 3
RJ = 3*3
RJ = 9
✔️Also, based on the centroid theorem,
⅓(PK) = PQ
⅓(PK) = 5
Multiply both sides by 3
PK = 5*3
PK = 15
Answer thanks, show how you got the answer.
Answer:
Y = 4X - 6
Step-by-step explanation:
Slope of linear equation = change in Y / change in X
As Y is changing +4 units, with change in X +1 units. [ -6 - (-2) ] / [ 1 - 0 ]
So, slope = 4
Y = A + BX
Y = A + 4X , as B = slope & A = intercept
Putting values of X & Y (0,-6)
-6 = A + 4 (0)
A = -6
Hence, Equation : Y = 4X - 6
50 is 50% of what number? Plz show work in explanation thanks. Again im in middle school i musta misclicked high school instead
100
50 is half of 100 and 50% is half.
Sonya drank 2 3 liter of water Monday before going jogging. She drank 5 7 liter of water after her jog. How much water did Sonya drink altogether? Write your answer as a mixed number.
Answer:
1 8/21 litres
Step-by-step explanation:
A country road has a section of road with grade of 9%. A car climbs up the slope road 18 feet above the flat road . What horizontal distance does the car travel?
Answer:
36
Step-by-step explanation:
Find the value of : 0.678 multiplied by 9.01/0.0234
Answer:
261.06 (Approx)
Step-by-step explanation:
Given:
Two number = 0.678,9.01/0.0234
Find:
Multiply
Computation:
⇒ 0.678,9.01/0.0234
⇒ 0.678 x [9.01/0.0234]
⇒ 6.10878 / 0.0234
⇒ 261.058874
261.06 (Approx)