Answer:this problem requires one to plug in the value given to the equation given. to find f(-1) the x in one side of the equation is replaced by a -1 therefore the x in the other side of the equation must also be replaced by (-1) so the answer is -3(-1) -8 = f(-1) = -5. -5 is the correct answer.
Does anyone need help with History or Algebra, Common core, Pre-Algebra Or Fractions of such?
Answer:
I dont know but maybe later
x+y=5
3x-y=-5
is it no solutions, all solutions, or one solution?
please show your work.
Answer:
One solution
Step-by-step explanation:
x+y=5
3x-y=-5
Add the equations together will get you:
4x=0
Divide the 0 by 4 to get the x alone will get you
x=0
Answer:
There's one solution
(0,5)
Step-by-step explanation:
There's one solution
We can tell this is true because of the 3x in the second on and just hte x in the first. If you look closely you'll see the coefficents for the x values is the only difference between the two.
Let's now solve
We need to get a positive variable by itself
let's take x+y=5 and solve for y
x-5= -y
y= -x+5
We can then plug this y value into the other equation
3x-(-x+5)= -5
3x+x-5= -5
4x= 0
x=0
Let's then plug this value in for x into any of the beginning equations
0+y=5
y=5
15 POINTS & BRINILY IF RIght!
Solve for r.
r + 12 / 5 = 5
R =?
Help please (((((((((((((((((((
Answer:
4
Explanation:
sum of interior angle= 180°
10x= 180- (80+60)
10x= 180- 140
10x= 40
x=40/10
x= 4
PLEASE MARK ME AS BRAINLIEST!!!!
[tex]\pink{\bigstar}[/tex] Value of x is [tex]\large\leadsto\boxed{\tt\purple{4}}[/tex]
⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀
• Knowledge Required:-✯ The sum of all the interior angles of triangle sum upto 180°.
⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀
• Solution:-Using the above knowledge we say that the angles of the given traingle should sum upto 180°.
Therefore,
⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀
➪ [tex]\sf 80^{\circ} + 60^{\circ} + 10x^{\circ} = 180^{\circ}[/tex]
⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀
➪ [tex]\sf 140^{\circ} + 10x^{\circ} = 180^{\circ}[/tex]
⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀
➪ [tex]\sf 10x^{\circ} = 180^{\circ} - 140^{\circ}[/tex]
⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀
➪ [tex]\sf 10x^{\circ} = 40^{\circ}[/tex]
⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀
➪ [tex]\sf x = \dfrac{40^{\circ}}{10^{\circ}}[/tex]
⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀
➪ [tex]\sf x = \cancel{\dfrac{40^{\circ}}{10^{\circ}}}[/tex]
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★ [tex]\large{\bold\red{x = 4}}[/tex]
⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀
Therefore, the value of x is 4.
The width of a rectangle is 14 inches less than its length. The area of the
rectangle is 51 square inches. Find the dimensions of the rectangle.
What’s 17/21 closest to 0,1/2 or 1
Answer:
closest to 1
Step-by-step explanation:
The given fraction is converted into decimal to find the closest value as 1.
What is a fraction?A fraction is a number written in the form a / b, where a and b are integers and b ≠ 0.
The number a is called as the numerator and b is the denominator.
The given fraction is 17/21.
It can be written in decimal as below,
⇒ 17/21 = 0.809
Now, the given decimal can be compared with 0, 1/2 and 1 as follows,
0.89 > 0, 1/2 and 0.89 < 1
Which implies that it is closest to 1.
Hence, the given fraction 17/21 is closest to the integer 1.
To know more about fraction click on,
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Need help ASAP!!!!!
Answer:
154
Step-by-step explanation:
Since its a circle, it will be 360 degrees, so then do 190+26=206, then do 360-206=154
simplify the fraction 37/8
Fredrick manages a band and sings lead vocals. The band charges $700 per concert. Fredrick receives $175 of that money, and he shares the rest equally among the other 5 members of the band. How much money does each of the 5 band members receive per concert?
Answer:
105
Step-by-step explanation:
Answer:
$105 for each member per concert
Step-by-step explanation:
700 - 175 = 525
525 divided by 5 = 105
Last week, John ran 10 miles. If John runs 35 percent farther this week, then how many more miles did he run this week?
what is 488 rounded to the nearest hundred
Answer:
500
Step-by-step explanation:
The sinusoidal function f(x)=33sin(7x−π12)+33 models the height, in centimeters, that a valve stem of the a tire is above ground x seconds after the tire begins to rotate.
How long does it take the valve stem to complete one revolution?
Answer:
0.90 seconds
Step-by-step explanation:
We will see that one complete revolution takes (2π/7) seconds.
How long does it take the valve stem to complete one revolution?Here we have the function:
f(x) = 33sin(7x−π/12) + 33
The time needed to do a full revolution is given by the period of the function.
Remember that:
sin(x) = sin(x + 2π).
Then:
sin(7x−π/12) = sin(7*(x + T) −π/12)
Then we must have:
2π = 7*T
Where T is the period.
Solving for T, we have:
2π/7 = T
This means that one complete revolution takes (2π/7) seconds.
If you want to learn more about sine functions, you can read:
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You are tired at the end of the term and decide to borrow $500 to go on a trip to Whatever Land. You go to the bank and borrow the money at an annual rate of 11% for 6 months. Find the interest you will pay on the loan.
Answer:
$27.5
Step-by-step explanation:
P =$500, R = 11 pcpa, T = 6 months = 1/2 years
[tex]I = \frac{PRT}{100} = \frac{500 \times 11 \times \frac{1}{2} }{100} \\ \\ = 5 \times 11 \times \frac{1}{2} \\ \\ = 55 \times \frac{1}{2} \\ \\ I= \$ 27.5[/tex]
i don't understand this! can someone help me
Answer:
oh dang i hated doing these when i was in sixth grade lol umm 55?????
Step-by-step explanation:
What is the value of the expression 22 + 62 ÷ 22? (1 point)
Answer: 22+62÷22
22+2.8181
24.8181
So 22+62÷22 is about 24.8181
hope this helps have a nice day❤️❤️❤️
Step-by-step explanation:
Answer:
22.73
Step-by-step explanation:
22+62=84
84/22=22.7380952381
The equation p=8.65h gives the amount p (in dollars) of pay a clerk receives for working h(hours)
Answer:
the clerk will make $8.65 an hour
Step-by-step explanation:
Answer:
P is the dependent variable, H is the independent variable
Step-by-step explanation:
What is the solution to the system of equations?
-4y – 3x = -11
x – 2y = 17
Answer:
Step-by-step explanation:
A large smartphone company produces 15,000 smartphones per hour.
How long would it take this company to produce 300,000 smartphones?
15 h
20 h
30 h
40h
Answer:B) 20 hours
Step-by-step explanation:
15000 per one hour and if we multiply them all we get 300,000 smartphones if we do 15,000 multiplyed by 20. Hope it helps!
Answer:
20 h
Step-by-step explanation:
just do 15 x 20 then add the remaining zeros
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Answer: X=4 Y=-6
Step-by-step explanation:
Well we know that y= -4x+10
So we can input that into the bottom equation
2x +2(-4x+10) = -4
2x +-8x+20=-4
-6x + 20= -4
-6x = -24
x = 4
We also have to find the value of Y
y=-4(4)+10
y= -16 + 10
y=-6
Answer:
Step-by-step explanation:
2x + 2y = -4
Substitute (-4x+10) for y:
2x + 2(-4x+10) = -4
2x -8x + 20 = -4
-6x = -24
x = 4
A rectangles base is 2in. Shorter than twice its height. The rectangles area is 40in^2. Find it's dimensions.
Answer:
5 in by 8 in
Step-by-step explanation:
Given that :
Area, A of rectangle = 40 in²
Let
height = x
Base = 2x - 2
Area of rectangle = L * B
40 = x * (2x - 2)
40 = 2x² - 2x
2x² - 2x - 40 = 0
x² - x - 20 = 0
x² - 5x + 4x - 20 =0
x(x - 5) +4(x - 5) = 0
x - 5 = 0 or
x + 4 = 0
x = 5 or x = - 4
X cannot be negative
X = 5
Height = 5
Base = 2*5 - 2 = 8
find the slope of the line
Answer:
Slope = 4
Step-by-step explanation:
The slop of the line is going to be rise over run.
So take where it the y value is 20 as [tex]y_1[/tex], and where it hits about 32 as value [tex]y_2[/tex].
You have you x value when y1 as 5 and x value at yw as 8.
So what you will do here is
[tex]\frac{y_2 - y_1}{x_2-x_1}[/tex]
[tex]\frac{32-20}{8-5}[/tex]
[tex]\frac{12}{3} = 4[/tex]
So your slope is 4.
x + y = -5 and x - y = -7
Answer:
x = -6 and y = 1
Step-by-step explanation:
Pls help me :(
Solve for x
Answer:
x = -3
Step-by-step explanation:
To answer this question, you should first remember that the inside angles of a triangle will always add up to 180 degrees. Therefore, we can make an equation and solve it form there:
55 + 54 + (x + 74) = 180
We add like terms:
109 + (x + 74) = 180
Continue adding like terms:
183 + x = 180
Next, we dubtract to siolate the "x" variable:
x = -3
Hope this helps :)
x=-3
Step-by-step explanation:
To start off, you're going to want to know and understand that all the angles of triangle equal 180 degrees.
Now that we know a triangle equals 180 degrees, lets make an equation. This is equation can be 55+54+74+x=180.
Now, lets combine the like terms in the equation. The equation now becomes 183+x=180.
From here, we subtract 180 from both sides, which would get us x=-3.
To double check that this is correct and that it works, you can plug in the -3 where the x would be.
I hope this helped!! Let me know if you have any further questions.
Find the third side in simplest radical form:
V91
9
A dragon can fly 50 feet in 2. Second. About how far can adragon fly in 11 secs
Answer:
275
Step-by-step explanation:
A clothing manufacturer produces 120 garments per hour, of which 5 are damaged. How many garments without damage would the manufacture except to produce in 8 hours?
Answer:
Step-by-step explanation:First we have to found all the clothes that the manufacturer produces in 8 hours,
As given 120 clothes = produce in 1 hour
X clothes = produce in 8 hour
By cross multiplication, we get
X= 120*8
X= 960 total clothes produced in 8 hours
As also given that in each hour 5 clothes damaged ,so we can write as
5 clothes = damaged in 1 hour
Y clothes = Damaged in 8 hour
By cross multiplication we get
Y= 40 clothes damaged in 8 hour
So the total clothes that manufacturer produce with out damage clothe will be ,
Total normal clothes = X-Y = 960 - 40 = 920 clothes
0.7 , 2/3 , 5/8 , 65% in least to greatest
Answer:
65%,0.7,2/3,5/8
Step-by-step explanation:
Answer:
5/8, 65%, 2/3, 0.7
Step-by-step explanation:
5/8 = .625
65% = .65
2/3= .667
.7 = .7
HELP!! I AM GOING TO BE IN DETENTION IF I DON'T GIVE IT ON A FEW DAYS!! I WILL GIVE BRAINLIEST
Answer:
Let's denote students in D = in the drama club , S = in a sports team
P(D) = 85/330
P(S) = 200/330
P(D and S) = 60/300
P(D or S) = P(D) + P(S) - P(D and S) = 85/330 + 200/330 - 60/330 = 15/22
P(neither D nor S) = 1- 15/22 = 7/22
Step-by-step explanation:
The digit to the right of the hundreds place is?
The number is 3.2906
Answer:
3.2906, The 9
hope this helps :)
solve the equation x. 6/∑/n-1 (x-3n)=-3
Answer: I gave the evaluate answer and the differentiate w.r.t x answer. Sorry for caps.
Step-by-step explanation: EVALUATE x4n−3
DIFFERENTIATE W.R.T. X (4n−3)x4(n−1)