Answer:
x=−2/5
y−2
Step-by-step explanation:
5x+2y=−10
Step 1: Add -2y to both sides.
5x+2y+−2y=−10+−2y
5x=−2y−10
Step 2: Divide both sides by 5.
5x
5
=
−2y−10
5
x=
−2
5
y−2
Answer: x- intercept: (-2, 0) y- intercept: (0,_5)
Step-by-step explanation:
Four student are each trying to raise the same amount of money for a class trip. The table below shows how much of each student's goal has been met.
Answer:
the answer is 5/8, 65%, 2/3, 0.7
Step-by-step explanation:
HELP NEEDED!!!!!!
Marley used 7 cups of water to make 4 loaves of French bread.
What equation can be used to model the total cups of water needed y for making x loaves of French bread? Write the equation in the form y =kx .
Answer:
Step-by-step explanation:
y=kx
7/4=1.75
6/4=1.5
The equation in the form y =kx will be as y = 7/4 x .
What are Proportional?Proportional the type of relationships between two variables where their ratios are equivalent.
In a proportional relationship, one variable is always a constant value by the other. That constant is known as the constant of proportionality.
A proportional relationship between the variables x and y is written as:;
y=k.x
For the given problem, y represents the cups of water needed for making x loaves of French bread.
We know that Marley used y=7 cups of water to make x=4 loaves of French bread. Substituting into the equation;
7=k.4
Solving for k:
k = 7/4
The equation to model the problem;
y = 7/4 x
More can be learned about proportions at;
brainly.com/question/24372153
#SPJ2
This Equation has only one solution 5(x-1) +3x = 7(x + 1) its an emergancy
Answer:
12
Step-by-step explanation:
5(x-1) +3x = 7(x + 1)
5 × x - 5×1 + 3x = 7 × x + 7 × 1
5x-5+3x=7x+7
8x-5=7x+7
8x-7x=7+5
x=12
hope it helps you!!
3.41 - 1.74
Show your work
Answer:
1.67
Step-by-step explanation:
3.41
1.74
1.67
1. Make 1, 11 (make 4, 3)
2. Subtract 11 and 4, you get 7
3. Make 3, 13 (make 3,2)
4. Subtract 13 and 7, you get 6
5. Subtract 2 and 1, you get 1
6. You answer is 1.67
Factorize using middle term:
x²-11x+24
Answer:
x²-11x+24
(x -8) * (x -3) =0
x = 8 and x =3
Step-by-step explanation:
As the driver of an 18-wheeler the maximum weight allowed for your truck in one state is 80,000 pounds. How many tons is that?
Answer: 40 tons
Step-by-step explanation:
One Ton= 2,000 lbs.
80,000/2,000= 40
Hi :) how to do part 4?
Answer:
15(iv) 68 units²
Step-by-step explanation:
Please see the attached picture for full solution. (Pictures 1 &2)
*I also did Q15 part (iii) by accident so I have also attached its working above if you need it. (Picture 3 and onwards)
Yeah if someone could help me with this that would be nice ✨✨
Answer:
I think that it is 6 but i am uncertain.
Step-by-step explanation:
I AM UNSURE THOUGH
At the beginning of the season, Jamie pays full price for a ticket to see the panthers, her favorite basketball team. The panthers currently have 33 wins and 31 losses. Represent the total change in the cost of a ticket given their losses. What is the cost of a ticket for the next game they play
Answer:
The answer is below
Step-by-step explanation:
Given that the price of the ticket at the beginning of the season is $49.64 and the ticket price decrease by $0.41 for every loss
a) The cost of the ticket decreases by $0.41 for every game loss, therefore after 31 losses, the change in cost of ticket is given as:
Change in cost = -$0.41 × number of losses = -$0.41 × 31 = -$12.71
b) The cost of a ticket for the next game given they have 31 losses is:
Cost of ticket = Initial cost of ticket + change in cost = $49.64 - $12.71 = $36.93
4a^2-2b^2+40 a=2. b=7
Answer:
-92
Step-by-step explanation:
4a^2-2b^2+40 a=2. b=7
Fill in variables
4(2)^2-2(7)^2+40 a=2. b=7
8^2 - 14^2 + 40
64 - 196 +40 = -92
Which is greater, 12/17 or 5/8?
Answer:
5/8
Step-by-step explanation:
12/17 is 0.70
5/8 is 0.62
However, 12/17 had a lot more numbers than that so
TRUST ME I GOT EXCEPTED INTO HARVARD
Answer:
12/17 is greater
Step-by-step explanation:
12/17 is greater than 5/8 because to determine which fraction is greater you need to have the same denominator. To get the same denominator I multiplied 17 by 8 and 8 by 17. Since what you do the denominator you have to do the same to the numerator, you would multiply 12 by 8 and 5 by 17 which would lead you to get 12/17= 96/136 and 5/8= 85/136. So, 96/136 > 85/136.
Given f(x) = 7x − 2 , what is the value of f(2) ?
Answer:
7(2)-2
=14-2
Which makes it
=12
-9 ration or irrational
Answer:
this is rational
Step-by-step explanation:
Dr. Bhatia mixes 2 liters of a 5% saline solution with x liters of a 9% saline solution. The table shows the amount of each solution used
Answer:
6
Step-by-step explanation:
Answer:
6
Step-by-step explanation:
give me brainliest
Lily cleans 3 houses in 7.5 hours. If she works 8-hour days for 7 days (with no breaks), how many houses could she clean?
Answer:
About 21 houses in 7 days
Step-by-step explanation:
What is the mistake??
There is still an negative you have to change the subtraction sign to an addition sign ALONG with the negative number
Answer:
The mistake was converting the expresssion
Step-by-step explanation:
What’s the answer please help
Answer:
The correct answer is a.
Alyssa's company makes a profit of $175,000.
The company then experiences a loss of
$25,000 each month for the next five months.
Which expression represents the net profit
after five months?
Write the equation of the line slope-intercept form that is parallel to y=-2x-9 and contains (4,-3)
A. y=-2x-11
B. y=-2x+5
C. y=-2x+11
D. y=-2x-11
Answer:
a
Step-by-step explanation:
PLZ ANSWER QUICK:
The graph shows two lines, A and B:
A graph is shown with x- and y-axes labeled from 0 to 6 at increments of 1. A straight line labeled A joins the ordered pair 3, 0, and the ordered pair 0, 6. Another straight line labeled B joins the ordered pair 0, 0, and the ordered pair 5, 5.
Based on the graph, which statement is correct about the solution to the system of equations for lines A and B?
0, 6) is the solution to both lines A and B.
(0, 6) is the solution to line B but not to line A.
(2, 2) is the solution to both lines A and B.
(2, 2) is the solution to line A but not to line B.
Answer: Choice D
(2,2) is the solution to line A, but not to line B
==========================================================
Explanation:
Let's find the equation of line A
First we need the slope
m = (y2-y1)/(x2-x1)
m = (6-0)/(0-3)
m = 6/(-3)
m = -2
Since the point (0,6) is on line A, we know b = 6 is the y intercept.
The equation of line A is y = -2x+6.
-----------------------------
Let's find the equation for line B
So we need the slope
m = (y2-y1)/(x2-x1)
m = (5-0)/(5-0)
m = 5/5
m = 1
The y intercept is b = 0 since the line goes through (0,0)
The equation of line B is y = 5x+0 which is the same as y = 5x.
------------------------------
Our system of equations is
[tex]\begin{cases}y = -2x+6\\y = 5x\end{cases}[/tex]
We can see that plugging x = 0 into line A's equation leads to y = 6. So (0,6) is on line A. However, the point (0,6) is not on line B because plugging x = 0 leads to y = 0.
This allows us to rule out choices A and B.
--------------------------------
Let's see what happens when we plug in x = 2 to line A
y = -2x+6
y = -2*2+6
y = -4+6
y = 2
The point (2,2) is on line A
Now let's do the same for line B
y = 5x
y = 5*2
y = 10
The point (2,10) is on line B meaning that (2,2) is not on line B.
We can rule out choice C and conclude that choice D is the final answer.
Side note: Choice D should read "(2,2) is a solution" instead of "(2,2) is the solution" since there are infinitely many solutions on any given line. So another solution for example would be (0,6).
A recipe that yields 12 cups of soup calls for 28 ounces of beef broth. How many ounces of beef broth do you need to make 18 cups of the soup?
Answer:
42 ounces.
Step-by-step explanation:
First, divide the 28 ounces by the 12 cups. You would then have 2.33333333333 ounces of beef needed for one cup of soup. Then, you would multiply that by 18, and you would get 48.
Don purchased software for $99.95. How much tax was
charged if the tax rate was 9.5%?
Answer:
9.49525
Step-by-step explanation:
You have the total and the percent so you are looking for the part. You can set up a proportion with 9.5 over 100 and x over 99.95. Then you multiply 9.5 times 99.95 to get 949.525 which then you divide by 100. So x is 9.49525
Explain how to multiply two numbers with different signs.
Helpppp
Answer:
number 1. 6x6, number 2. 6*6, number 3. 6.6
Step-by-step explanation:
Whats the answer I need help
Answer:
the answer is A you match the shape up with the ABC one
Step-by-step explanation:
How many cups of red paint should be added to 1 cup of white paint?
Answer:
3/7 or .43
Step-by-step explanation:
1 goes in to 7, 7 times so all you have to do is 3/7
Find the sum of the multiples of 9 from 1 to 300
Answer:
can you be more specific please.
Step-by-step explanation:
PLEASE HELP ASAP 20 points possible
Answer: 123
Step-by-step explanation:
60+63=123
180-123=57
180-57=123
Answer:
123°
Step-by-step explanation:
Subtract the measures of the given interior angles from 180 to find the measure of the missing interior angle
180 - 60 - 63 = 57°
Subtract 57 from 180 to find the measure of the external angle/angle 1.
180 - 57 = 123°
what is (x+3)(x-3)(3x+2) expanded and simplified
Answer:
3x to the power of 3- 5x to the power of 2-16x+12
Planning for his retirement, mr Lloyd opened a saving
Answer:
He's definitely on the right track on saving money for his retirement. As the years move along, he can continue to save money in his savings account.
Step-by-step explanation:
SOMEBODY HELP!
MY MATH IS DUE TOMORROW HELP ME AND PLEASE EXPLAIN YOUR WORK
Label each of the parts: terms, like terms, coefficients, and constant
terms.
9 + 7y - 2 - 5y
Answer:
= 7 + 2y.
Step-by-step explanation:
Collect like terms.
(9 − 2 ) + (7y − 5y )
Simplify.
= 7 + 2y.
Hope this helps.
Have a good night ma'am/sir.
Be safe!
