Answer:
y = -2x + 5
Step-by-step explanation:
20 = 8x + 4y
subtract 8x from both sides
4y = -8x + 20
divide both sides by 4
y = -2x + 5
The value of y is 5-2x=y
What is Equation?Two or more expressions with an Equal sign is called as Equation.
The given equation is 20 = 8x + 4y
Twenty equal to eight times of x plus four times of y.
We need to solve the equation for y.
To solve this we need to separate the variable y.
Subtract 8x on both sides
20-8x=4y
Divide both sides by 4
20/4-8/4x=y
5-2x=y
Hence, the value of y is 5-2x=y
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Use the algebra tiles to model x – 3. Then complete the statements. The variable is represented by Subtracting three is represented by . The tiles represent an unknown number.
Whoever can the question in 1 minute i will vote them BRAINLIest
Answer:
1.one orange x tile 2.three blue-tiles 3.subtracting three from
Step-by-step explanation:
I got it right have a nice day :)
4x+13x=119 what does x=?
x=7
Answer:
x = 7
Step-by-step explanation:
Given
4x + 13x = 119 ( collect like terms on left side )
17x = 119 ( divide both sides by 17 )
x = 7
Answer:
x=7
Step-by-step explanation:
Let's solve your equation step-by-step.
4x+13x=119
Step 1: Simplify both sides of the equation.
4x+13x=119
(4x+13x)=119(Combine Like Terms)
17x=119
17x=119
Step 2: Divide both sides by 17.
17x
17
=
119
17
x=7
Answer:
x=7
TRY TO ANSWER THIS FAST
Answer:
3/4(8-5y)
Step-by-step explanation:
Just like the first one
Help...................
Answer:
The first one is 3/1 or 3 and the second is 3 1/2.
Step-by-step explanation:
Wha is 3x+3y=-9 in standard to slope intercept form simplified, thank you!
Answer
Step-by-step explanation:
The answer would be y=-x-3. 3x+3y=-9 is in standard form and you want it to be in y=mx=b form (slope-int) so subtract 3x by both sides. Now, you have 3y=-3x-9. Divide 3 to both sides, now you will get y=-x-3.
Identify ALL relations that are functions. You may select more than 1 ansdwer.
You may wish to draw a mapping diagram or create a table for each to help you.
A. {(6,1),(-7,1),(6,-7),(-9,6)}
B. {(-5,-1),(3,-10),(-1,7),(9,6)}
C. {(6,8),(4,9),(-5,7),(-6,-8)}
D. {(7,10),(-5,1),(-2,1),(7,-6)}
Answer:
B and C
Step-by-step explanation:
Hope this helps :)
I hate distance-learning with a passionnnnn!!
Anyone else?
Answer:
ugggggghhhhhh i hate it im doing online my dad might bring me back to school i want him to because i um wanna see my um boyfriend lolol
Step-by-step explanation:
Answer:
Hello!!! Princess Sakura here ^^
Step-by-step explanation:
I really don't like distant-learning either :(
We always have to Zoom into class and Zoom out of class.
Isaiah is a college student who rents an apartment that costs $755 a month. Each month, Isaiah receives $250 from his parents and $225 from a scholarship to help pay for the rent. Isaiah works at Ringling Telemarketing Company, making $10 an hour. Which of the following inequalities can be used to determine the number of hours, x, that Isaiah must work to pay his rent each month?
1.)10x-475≤755
2.)475x+10≥755
3.)10x+475≥755
4.)10x+475≤755
Answer: 3
10x+475≥755
Answer:
the 3rd one
Step-by-step
i think its right, i hope :)
If 6 pounds of blueberries costs $16.50, is $1 for 2.75 pounds of blueberries true?
Step-by-step explanation:
Hmm I'm not sure but (no) I think
6 pounds = $16.50
1 pound = $16.50 ÷ 6
=$2.75
$16.50 = 6 pounds
$1 = 6 ÷ $16.50 = 4/11 pounds (0.36363636......)
If a = -6, then 4a(3 + 5) + a^2 = ?
a. -52
b. -103
c. -156
d. -228
Answer:
-228
Step-by-step explanation:
calculator :)
Answer:
-156
Step-by-step explanation:
[4(-6)](3+5)+ (-6)^2
-24(3+5)+36
-25(8)+36
-196+36
-156
how many solutions does this equation have?
7(2+5x)=3x+14
Answer:
none
Step-by-step explanation:
If you use the distributive property, you get 14 + 35x = 3x + 14. Then, subtract 3x from both sides to get 14+32x=14. Subtract 14 from both sides to get 32x= 0. These aren't equivalent, so there are no real solutions. Hope this helps!
The equation has only one solution which is equal to 0
What are linear equations?Linear equations help in representing the relationship between variables such as x, y, and z, and are expressed in exponents of one degree. In these linear equations, we use algebra, starting from the basics such as the addition and subtraction of algebraic expressions.
Given: The system of linear equations as 7(2+5x)=3x+14
simplifying the equation we get
7(2+5x)=3x+14
14+35x=3x+14
32x=0
x=0
Hence, The equation has only one solution which is equal to 0
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what is the slope of (4, -4) and (-12, 4)
Answer:
The slope would be -1/2.
P(x) = 2(x + 6)(x+3)(x - 5)
Rewrite polynomial P(x) in standard form.
Answer:
skkrtt skkrttt
Step-by-step explanation:
Determine whether AB and CÓ are parallel, perpendicular or neither.
A=(-2,-1) B=(4, 1)
C=(-2,3)
D= (0, - 2)
Answer:
Neither
Step-by-step explanation:
They do not form a 90° angle(so it's not perpendicular)
And they touch(so it's not a parallel)
I am going to keep this simple and I am going to help people out who need points. What is 4 x 9?
Answer:
36
Step-by-step explanation:
Marsha gave the cashier $40 to pay for 3 pairs of socks and 1 shirt on sale for $13.50. The cashier gave her $9.03 in change. Each pair of socks cost the same amount. What is the cost in dollars and cents for each pair of socks? Do not put the $ sign. Round to the nearest hundredths place
5.82 per pair of socks
which of the following statements are true? check all that apply
Answer:
i need to see the choices
Step-by-step explanation:
prove the two triangles are similar
use photo for details
Answer:
the sides are congruent.
Your parents spent $920 on a new energy-saving light that will reduce the monthly electric bill for your house from $123 to $98. In how many months will the light pay for itself. (pls help ill give u brainiest answer)
Answer:The new light saves electricity monthly = 123 - 98 = ₹25
The light pays for it self in = 920 ÷ 25
= 36.8 months
HHHHHEEEELPPPPP NOW Steve is buying apples for the fifth grade. Each bag holds 13 apples. If there are 77 students total, how many bags of apples will Steve need to buy if he wants to give one apple to each student?
Steve will need to buy
_____ bags.
Answer:
6
Step-by-step explanation:
eactly it 5.923076923076923
HELP NOW I GIVE ALL MY POINTS available
QUESTION 1: True or false:
Do vertical angles prove parallel lines?
QUESTION 2:
Solve for x in the diagram below. PIC ATTACHED
Answer:
1.Yes, vertical angles prove lines parallel if there is a transversal and the corresponding vertical angles are congruent
2. x= 12
Answer:
1. In order to use Theorem 10.7, you need to show that corresponding angles are congruent. You can use the fact that ∠1 and ∠2 are vertical angles, so they are congruent. Because ∠2 and ∠3 are corresponding angles, if you can show that they are congruent, then you will be able to conclude that your lines are parallel.
can you plz help me with this 2.25f+5=13.5f+14
Answer:
F=10
Step-by-step explanation:
Add 13.5 and 14 to get 27.5.
2.25f+5=27.5
Subtract 5 from both sides.
2.25f=27.5−5
Subtract 5 from 27.5 to get 22.5.
2.25f=22.5
Divide both sides by 2.25.
f=
2.25
22.5
Expand
2.25
22.5
=10 by multiplying both numerator and the denominator by 100.
f=
225
2250
Divide 2250 by 225 to get 10.
f=10
What is the number a solution of 6x-3>10?
Answer:
x > 1.167 (rounded to the nearest thousandth)
Step-by-step explanation:
Original Equation:
6x - 3 > 10
Add 3 to both sides
6x > 7
Divide both sides by 6
x > 1.1666666. . .
x > 1.167 (rounded to the nearest thousandth)
Hope I helped :)
Please consider Brainliest :)
can someone help me with this
Answer:
A, B, C
Step-by-step explanation:
just put it into the formula a^2+b^2=c^2
a) 12^2+16^2
= 144+256
= 400 = 20^2
b) 4.5^2+6^2
= 20.25+36
= 56.25 = 7.5^2
c) 5^2+12^2
= 25+144
= 169 = 13^2
The next two dont match
Belinda can type a 200 page essay in 3.5 minutes how many minutes would it take her to write a 700 page essay.
Juan is saving money to buy a game. So far he has saved ,$12 which is three-fourths of the total cost of the game. How much does the game cost?
Answer:
$16 :)
Step-by-step explanation:
Someone please help!
Answer: b yes
Step-by-step explanation: the unit rate will be 48
Answer:
B
Step-by-step explanation:
yes, the proportional ratio is y/x=k
156/3.25=48
204/4.25=48
252/5.25=48
the ratio is 48
CAN SOMEONE HELP WOTH THISPLS RIGHT ANSWER GETS BRAINLIEST Q4
Answer: yes
Step-by-step explanation:
Answer:
a. no
b. yes
not sure about the rest though
In response to a gss question in 2006 about the number of hours spent per day watching television, the responses by the fifteen subjects who identified themselves as Buddhist were 0, 0, 0, 1, 1, 1, 2, 2, 2, 2, 2, 3, 4, 4, and 5. For these fifteen subjects, the mean number of hours spent per day watching television is 1.93 hours. What is the standard error of this mean estimate?
Answer:
Standard error = 0.4
Step-by-step explanation:
Step 1
We find the Standard Deviation
The formula = √(x - mean)/n - 1
n = 15
Mean = 1.93 hours
= √(0- 1.93)² + (0-1.93)² +(0- 1.93)²+( 0- 1.93)²+ (1- 1.93)² + (1- 1.93)² +(1 - 1.93)² +(2 - 1.93)² + (2 - 1.93)² + (2 - 1.93)² + (2 - 1.93)² + ( 2 - 1.93)² +(4 - 1.93)² +(4 - 1.93)² + (5 - 1.93)²/15 - 1
= √(3.737777776 + 3.737777776 + 3.737777776 + 0.871111111 +0.871111111 + 0.871111111 + 0.004444444445+ 0.004444444445 + 0.004444444445 + 0.004444444445 + 0.004444444445 + 1.137777778 + 4.271111112 + 4.271111112 + 9.404444446)/15 - 1
= √2.352380952
= 1.533747356
Step 2
We find the standard error
The formula = Standard Deviation/√n
Standard deviation = 1.533747356
n = 15
= 1.533747356/√15
= 1.533747356 /3.87298334621
= 0.39601186447
Approximately = 0.4
Therefore, the standard error is 0.4
1. The line through A and B has a slope = _____ and y-intercept = _____
2. Write an equation for this line. ________
Answer:
1. slope= 1/2; y intercept=3
2. y= 1/2x+3
Step-by-step explanation:
The slope is equal to the y value of b minus the y value of a OVER the x value of b minus the x value of b. This simplifies to 1/2.
If the slope is 1/2, you can see that for every 1 that the line rises, its x value increases by 2. Since you know the when the x value is 2, the y value is 4, decreasing the x value by 2 (making it 0) would make the y value 3.