Answer:
The system has infinitely many solutions
Step-by-step explanation:
There are no variables left. And the final equation is correct.
It means the system is going to be correct for any value of variables. So there are infinitely many solutions
Answer:
Step-by-step explanation:
There are two equations in the question
[tex]2x+6y=12\ -->Equation\ 1\\\\x+3y=6\ -->Equation\ 2\\\\[/tex]
If we take 2 common from the first Equation it becomes,
[tex]2(x+3y)=12\\\\x+3y=12/6\\\\x+3y=6\\[/tex]
Now we can see that both the Equations are similar which means they would have the same graph.
Since both the equations have the same equation of line they have infinitely many solutions which means both the lines intersect at each and every point on the line, since both the lines are on top of each other.
We can also see that in Step 4 where 12 = 12 there are no variables in the equation which also means that the work is correct and Sean can say that the system of equations is consistent and dependent which means they have infinite number of solutions
Solve for x:
2x - 14 = 3x + 6
Answer:
x = - 20Step-by-step explanation:
[tex]2x - 14 = 3x + 6[/tex]
Move 3x to the other side of the equation
[tex]2x - 3x - 14 = 6 \\ - x - 14 = 6[/tex]
Move -14 to the right side of the equation.
[tex] - x = 14 + 6 \\ - x = 20[/tex]
Multiply both sides by - 1
[tex] - ( - x) = - 20 \\ x = - 20[/tex]
We have the final answer as
x = - 20Hope this helps you
Answer: add 14 to both sides of the equation
2x-14=3x+6
2x-14+14=3x+6+14
Simplify
add the numbers
2x-14+14=3x+6+14
2x=3x+6+14
add the numbers
2x=3x+6+14
2x=3x+20
subtract 3x from both sides of the equation
2x=3x+20
2x-3x=3x+20-3x
simplify
Combine like terms
2x-3x=3x+20-3x
-x=3x+20-3x
Combine like terms
-x=3x+20-3x
-x=20
Divided both sides of the equation by the same term
-x=20
-x/-1=20-/-1
Simplify
Cancel terms that are in both the numerator and denominator
-x/-1=20/-1
x=20/-1
Divide the numbers
x=20/-1
x=-20
So the answer is x=-20
Hope this helps... Stay safe and have a great day/night!!! :D
A department store buys 300 shirts for a total cost of $7,200 and sells them for $30 each. Find the percent markup.
Answer:
80%
Step-by-step explanation:
because 7200 / 300 equals 24 and 24 / 30 equals .8 so its 80% and if you want to check the answer you take 30 * .8 OR 80% and it gives you 24
The percent markup is 25%.
What is percent markup?Markup percentage is calculated by dividing the gross profit of a unit (its sales price minus it's cost to make or purchase for resale) by the cost of that unit.
Given that, A department store buys 300 shirts for a total cost of $7,200 and sells them for $30 each.
Cost of one shirt = 7200 / 300 = $24
And they sold at $30 each,
Percent markup = 30-24 / 24 × 100
= 25%
Hence, the percent markup is 25%.
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YOU GET 100 POINTS plus BRALLIST!!!
PLEASE DON'T SCAM OR TROLL ME BECAUSE I WILL REPORT YOU and you will lose double the points and will lose your account!
evaluate the following expressions.
a. −58.49−(−95.09)
b. −20.04−74.14
c. −9.73+6.48
d. −69.2+(−5.81)
e. 22.47+(−76.5)
GOOD LUCK!!!
Answer:
A. 36.6
B. -94.18
C. -3.25
D. -75.01
E. -54.03
Answer:
a. 36.6
b. - 94.18
c. - 3.25
d. - 75.01
e. -54.03
Step-by-step explanation:
Hope this helps, have a great day
pls help the answers are listened below I am so sorry but thank you
Answer:
x=-6
Step-by-step explanation:
5x+2=6x+8
-5x -5x
2=x+8
-8 -8
-6=x
Divide,
7)16.52 -
PLEASE ANSWER QUICK
Answer:
0.42347247428
Step-by-step explanation:
my calcuator
7/16.52
Answer:
9.52
hope it helpsssssssssssssss
If x = 2, what is the value of x(15 - x)?
A.
26
B.
28
C.
13
D.
49
Answer:
A. 26
Step-by-step explanation:
We can just put in the value of x into the equation.
x(15 - x) = 15x - x²
= 15 × 2 - 2²
= 30 - 4
= 26
Which two elements are most likely to have similar physical properties?
A. copper and zinc
B. copper and silver
C. cadmium and indium
D. gallium and cadmium
Answer:
b
Step-by-step explanation:
Giving brainlest to whoever answers this is URGENT
Answer:
ok so it'll be the first one
Answer:
Step-by-step explanation:
m= (y2-y1)/(x2-x1)
slope is the diference in y-coordinates over the diference in x-coordinates
How do you name a ray?
Answer:
By two points.
In the figure at the top of the page, the ray would be called AB because starts at point A and passes through B on its way to infinity. Recall that points are usually labelled with single upper-case (capital) letters
Step-by-step explanation:
Answer:
By two points.
In the figure at the top of the page, the ray would be called AB because starts at point A and passes through B on its way to infinity. Recall that points are usually labelled with single upper-case (capital) letters
Step-by-step explanation:
Which ordered pairs are solutions to the inequality 3x-4y>5
Note: you did not provide the answer options, so I am, in general, solving this query to solve your concept, which anyways would clear your concept.
Answer:
Please check the explanation.
Step-by-step explanation:
Given the inequality
[tex]3x-4y>5[/tex]
All we need is to find any random value of 'x' and then solve the inequality.
For example, putting x=3
[tex]3\left(3\right)-4y>5[/tex]
[tex]9-4y>5[/tex]
[tex]-4y>-4[/tex]
[tex]\mathrm{Multiply\:both\:sides\:by\:-1\:\left(reverse\:the\:inequality\right)}[/tex]
[tex]\left(-4y\right)\left(-1\right)<\left(-4\right)\left(-1\right)[/tex]
[tex]4y<4[/tex]
[tex]\mathrm{Divide\:both\:sides\:by\:}4[/tex]
[tex]\frac{4y}{4}<\frac{4}{4}[/tex]
[tex]y<1[/tex]
So, at x = 3, the calculation shows that the value of y must be less
than 1 i.e. y<1 in order to be the solution.
Let us take the random y value that is less than 1.
As y=0.9 < 1
so putting y=0.9 in the inequality
[tex]3\left(3\right)-4\left(0.9\right)[/tex]
[tex]=9-3.6[/tex]
[tex]=5.4[/tex]
As 5.4 > 5Means at x=3, and y=0.9, the inequality is satisfied.
Thus, (3, 0.9) is one of the many ordered pairs solutions to the inequality 3x-4y>5.
Find the value of x
(8x-1) (4x+7)
Answer:
The value of x = 7
Step-by-step explanation:
Given the right triangle
Right angle = 90°α = (4x+7)°β = (8x-1)°We know that the sum of angles of a triangle is 180°.so
Right angle + α + β = 180°
90° + 4x+7 + 8x-1 = 180
Group like terms
[tex]4x+8x+90+7-1=180[/tex]
Add similar elements: :4x+8x=12x
[tex]12x+90+7-1=180[/tex]
[tex]12x+96=180[/tex]
[tex]12x=84[/tex]
Divide both sides by 12
[tex]\frac{12x}{12}=\frac{84}{12}[/tex]
[tex]x = 7[/tex]
Therefore, the value of x = 7
what do i put the box like <6 but with the line under? cause when i checked if it was right it said it was wrong
-2n - 10n + 3 = -n + 5
This is what I got and I am sure this the answer
How much interest will you pay on a loan of $2,620, with a 3% interest rate, paid over 5
years?
Answer:
You'll pay $3013
Step-by-step explanation:
Amount to pay=$2620+Interest accrued
A=$2620+($2620×0.03×5)
A=$2620+$393
A=$3013
marking brainliest to whoever gives me the write answer
add 2f+5g+7h and 3f+6g+8h
Answer:
Step-by-step explanation:
Add the like terms
5f+11g+15h
In 8-11, Explain how to get the variable alone in each equation
8. 8y = 5.6
9. x ➗ 15.2 = 3
10. u ➗ 8.7 = 12
11. 31.4 = 3.14y
Step-by-step explanation:
8. You divide each side by 8
[tex] \frac{8y}{8} = \frac{5.6}{8} [/tex][tex]y = \frac{5.6}{8} [/tex]9. You multiply each side by 15.2
[tex]x = 3 \times 15.2[/tex]X=45.610. You multiply bith sides by 8. 7
[tex]u= 12 \times 8.7[/tex]11. You divide both sides by 3.14
[tex]3.14y = 31.4 \\ y = \frac{31.4}{3.14} \\ y = 10[/tex]Hope this helps, have a wonderful day
Select the line segment
A.
B.
C.
D.
Answer: D i think
Step-by-step explanation:
Answer:
A
Step-by-step explanation:
HELP ME WITH THIS QUESTION PLZZZZZZZZZZZ, ALSO PLEASE SHOW UR WORK I NEED HELP I DON'T UNDERSTAND THISSSSSS
Answer: Jon has the best rate
Step-by-step explanation:
write two numbers that multiply to the value on top and add to the value on the bottom.
Answer:
1 and 19
Step-by-step explanation:
I believe this is a factoring problem.
Example:
If we have the equation x^2-2x-3
We can find two numbers that multiply to -3 that add to -2
The two numbers are -3 and 1
(x-3)(x+1)= So x=3 and x=1
Answer:
1 and 19
Explanation:
1x19=19
1+19=20
Lara's puppy weighs 3.5 pounds and will gain approximately 0.5 pounds per
month.
Monica's puppy weighs 2 pounds and will gain 1 pound per month.
After how many months will both puppies weigh the same amount?
3 months
We can use a systems of equations to find when the values will equal each other, with x equal to months
Lara's Puppy: 0.5x+3.5
Monica's Puppy: x+2
Now create an equation for these puppy's weights to equal each other, and solve:
0.5x+3.5=x+2
0.5x=1.5
x=3
2 (4x - 1 ) = 8x -1. Is it one solution no solution or infintely
Answer:
one solution
Step-by-step explanation:
2(4x-1) = 8x -1
8x -1 = 8x-1
Solve the following system of equations graphically on the set of axes below
y = 3x - 6
y = -x+2
Answer:
y = 3x - 6
y = -x+2
If a certain medicine cures 85% of the people who take it,what is the probability that, if 6 people take the medicine, exactly 4 will be cured?
Answer:
if 6 people take the medicine, around 5 people will get cured if the cure probability is 85%.
Step-by-step explanation:
Given that a certain medicine cures 85% of the people who take it.
As 6 people take the medicine, we need to determine how many will be cured.
As
85% = 85/100 = 0.85
All we need is to multiply 6 with 0.85.
i.e. 6 × 0.85 = 5 (Rounded to the nearest 1 or the Ones Place)
Thus, if 6 people take the medicine, around 5 people will get cured if the cure probability is 85%.
Convert 5.7 yards to feet
Answer:
17.1 ft
Step-by-step explanation:
Which ordered pair gives a solution of the system of equations represented in the graph below?
Answer:
b
Step-by-step explanation:
Which of the following values can be replaced with M so that this table of values represents a function? Select all that apply.
a. 9
b. 8
c. 7
d. -2
e. 5
A box of dried fruit has 54 calories in 3 servings. How many calories are there per serving?
Answer:
18 per serving
Step-by-step explanation:
54/3=18 just divide to find the unit rate
simplify the expression:
1. -0.8b^2+7.4b+(5.6b-0.2b^2)
2. (7.3y-y^2+4)+0.5y^2-(8.7y-2.4y^2)
PLZ HELP!!!!!
URGENT!
Answer:
1. -b^2+13b
2. 1.9y^2-1.4y+4
Step-by-step explanation:
1. -0.8b^2+7.4b+(5.6b-0.2b^2)
Simplify: -0.8b^2+7.4b+5.6b-0.2b^2
Add like terms: (-0.8b^2-0.2b^2)= -1b^2/-b^2 (7.4b+5.6b)= 13b
Answer: -b^2+13b
2. (7.3y-y^2+4)+0.5y^2-(8.7y-2.4y^2)
Simplify: 7.3y-y^2+4+0.5y^2-8.7y+2.4y^2
Add like terms: (2.4y^2-y^2)= 1.9y^2 (7.3y-8.7y)= -1.4y (don't forget about the 4)
Answer: 1.9y^2-1.4y+4
Jenny is an architect and is working to find the side length of a room in a house plan she is
reviewing. She knows that she can find the side length from the area using the formula 8 =
A. She could also find the side length using the perimeter with the formula 9 = she wants to see
what the design would look like with an equal perimeter and area. She graphs the formulas and
hnds the intersection point. What does this intersection point tell her?
O Cannot be determined
The measure of the side length
The side length that creates an equal perimeter and area,
The total perimeter and area of the room
Answer: At first I though O but you would be able to use A because you are able to make that 9 = to that 8
Step-by-step explanation:
The intersection point tells her the side length that creates an equal perimeter and area.
What is perimeter?
A closed shape's perimeter is the sum of the lengths of its outside boundaries. The lengths of all the sides are added to determine the measurement.
Jenny is an architect and is working to find the side length of a room in a house plan she is reviewing.
She knows that she can find the side length from the area using the formula 8 = A.
She graphs the formulas and finds the intersection point.
The intersection point of the two equations represents the solution where the side length satisfies both the equations, giving an equal perimeter and area. Therefore, the intersection point tells her the side length that creates an equal perimeter and area.
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