Answer:
27.3 dollars
Step-by-step explanation:
Ivy bought 10 packs of cups for her holiday
party. A pack of MEDIUM cups costs $1.80
and a pack of LARGE cups costs $2.40. She
paid a total of $21.60. How many packs of
each size cup did she buy?
Perform the indicated subtraction. -5 - (-6)=
Answer:
1
Step-by-step explanation:
Answer:
-5 - (-6)= 1
Step-by-step explanation:
hope this is what you're asking for
If x = 2 and t = 4, what is the value of 2(x3 – 4)(t2 + 8)
Answer:
64
Step-by-step explanation:
Just add in the numbers and put the expression into a calculator.
which method should be used for x? 2.5x=5.7
Answer:
2.28
Step-by-step explanation:
2.5x = 5.7
Divide both sides by 2.5 to isolate the x variable.
x = 2.28
PLEASE HELP ASAP ITS URGENT
Step-by-step explanation:
the answer is in the image above
1. You win a prize and are offered two choices. Which of the choices could be represented by a linear equation?
Choice A: $100 on January 1, $200 on February 1, $400 on March 1, $800 on April 1, and so on, with the amount doubling each month,
Choice B: $50 the first month, $100 the second month, $150 the third month, and so on, with $50 added each month,
ONeither is linear
O Choice A
O Choice B
Not enough information is given
Answer:
Coice a
Step-by-step explanation:
O Choice A could be represented by a linear equation,
What is equation?An equation is a mathematical statement that is made up of two expressions connected by an equal sign. In its simplest form in algebra, the definition of an equation is a mathematical statement that shows that two mathematical expressions are equal. For instance, 3x + 5 = 14 is an equation, in which 3x + 5 and 14 are two expressions separated by an 'equal' sign.
here, we have,
Choice A: $100 on January 1, $200 on February 1, $400 on March 1, $800 on April 1, and so on, with the amount doubling each month,
Choice B: $50 the first month, $100 the second month, $150 the third month, and so on, with $50 added each month,
we have to find, Which of the choices could be represented by a linear equation,
we know that,
O Choice A could be represented by a linear equation,
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What is the axis of symmetry for the function f(x)=7−4x+x2?
x = –3
x = –2
x = 2
x = 3
Answer:
Answer:
x = 2
Step-by-step explanation:
The vertex form of the parabola is given by
Comparing this equation with vertex form of a parabola , where (h,k) is the vertex
h = 2
k = 3
Hence, vertex is (2,3)
Now, axis of symmetry of a parabola passes through the vertex and divide the parabola in two equal halves.
Hence, axis of symmetry of the parabola is given by
x = h
x = 2
Third option is correct.
Answer:
c
Step-by-step explanation:
A line with a slope of 0 passes through the points (–4,q) and (6,–10). What is the value of q?
Answer:
q = - 10
Step-by-step explanation:
A line with a slope of zero is a horizontal line parallel to the x- axis
The y- coordinates of the points the line passes through are equal
Given the line passes through (- 4, q) and (6, - 10 ) with y- coordinate - 10
Then q = - 10
Which linear inequality is represented by the graph?
y<3x+2
y>3x+2
y<1/3x+2
y>1/3x+2
Answer:
Y < 3x+2
Step-by-step explanation:
Alright so if you ever get stuck on something like this, Go on demos and put in (0,2) and then add in (-3,-7) and then add in the other answers to see if they match.
So your answer is:
y>3x+2
HELP ASAP
Write the equation in standard form for the circle x2 + 32 = -y² + 12x.
Step-by-step explanation:
Move
26
to the right side of the equation because it does not contain a variable.
3x2−12x−2y2+16y=26
Answer:
(x - 6)² + y² = 4
Step-by-step explanation:
x² + 32 = -y² + 12x
Rearrange
x² - 12x + y² = -32
Complete the square for x
(x - 6)² + y² = -32 + (-6)²
(x - 6)² + y² = -32 + 36
(x - 6)² + y² = 4
(Please help this is due by Tuesday)
Answer:
A
Step-by-step explanation:
PLEASE HELP! SEE PHOTO FOR QUESTION
Answer:
A
Step-by-step explanation:
Intercepts are basically points where if one of the coordinates is a number above 0, the other one HAS TO BE 0
Since there are three points where there are x-intercepts (since the y is 0), there will be three x-intercepts.
Since there is only one point where there are y-intercepts (since the x is 0), there will be only one y-intercept.
The intercepts don't give an exact answer so you would have to estimate where they are on the graph. For example, the y-intercept is between 20-30 and is leaning more towards 30, so you would think it's around 27-29 (And if you look at option A, you can see that it's (0,28))
You got the answer wrong because for one of the x-intercepts, you said that it was negative when it was actually positive. (I believe it was the (2.3,0) one.)
-4x4+1.5-2.5-2x4-6.5
Answer:
0.5
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Write the equation of a circle that has a radius of 1/2 and a center at (1, -1),
O (x - 1)^2 + (y - 1)^2 - 1/2
O (x - 1)^2 + (y +1)^2 - 1/4
O (x+1)^2 - (y + 1)^2 - 1/4
O (x + 1)^2 + (y - 1)^2 = 1/2
Answer:
[tex](x-1)^2+(y+1)^2=\frac{1}{4}[/tex]
Step-by-step explanation:
The equation of a circle with center [tex](h,k)[/tex] and radius [tex]r[/tex] is given by [tex](x-h)^2+(y-k)^2=r^2[/tex].
What we're given:
[tex]r[/tex] of 1/2Center at (1, -1)Substituting given values, we get:
[tex](x-1)^2+(y-(-1))^2=\frac{1}{2}^2,\\\boxed{(x-1)^2+(y+1)^2=1/4}[/tex]
find the area of the figure below
A.288.62
B.266.22
C.186.66
D.236.6
Answer:
A. 288.62
Step-by-step explanation:
Area of two triangles = 15.3 * 10.4 = 159.12
Area rectangle = hypotenuse triangle * 7
hypotenuse = √108.16 + 234.09
Hypotenuse = 18.5
Area rectangle = 18.5 * 7 = 129.5
129.5 + 159.12 = 288.62
Answer = A. 288.62
If my answer is incorrect, pls correct me!
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-Chetan K
Square root of negative 8
Answer:
the square root of negative 8 is 64
Answer:
Square root of -8 will be 2.28i
Step-by-step explanation:
Given :
[tex]\sqrt{-8} \\[/tex]
=2.82i
HELPPPPPP PLEASEEE!!
Answer:
the trend is increasing
Step-by-step explanation:
SU is a midsegment of △QRT. If QR=v–66 and SU=v–76, what is the value of v?
Answer:
v=56
Step-by-step explanation:
su is half qr, 2(v-66)=v-76, simplifies to v=56
I have this math problem and it is: an equation in function from that reflects f(x)=3x over the line y=0.
Answer:
[tex]g(x) = -3x[/tex]
Step-by-step explanation:
Given
[tex]f(x) = 3x[/tex]
Required
Reflect over [tex]y = 0[/tex]
This means that we reflect over the x-axis
And the rule of reflection is:
[tex](x,y) \to (x,-y)[/tex]
Hence:
[tex]f(x) = 3x[/tex]
Will become:
[tex]g(x) = -f(x)[/tex]
So, we have:
[tex]g(x) = -3x[/tex]
HURRYYYYY HELLPP MEEE PLEASEEEEE
Answer:
8/17
Step-by-step explanation:
sin 28 degree = opposite / hypotenuse
= 8/17
Raul is flying a kite at the end of a string that is 200 feet long. Raul is holding the string 5 feet off the ground at the angle to the horizontal of 25. How high is the kite off the ground?
Answer:
Kite is 89.52 ft off the ground
Step-by-step explanation:
We are told that the string is 200 ft long.
That the string is 5 ft off the ground at an angle of 25° to the horizontal.
I have drawn a triangle to depict this illustration with x being the height of the kite from the end of the string.
Also, I have depicted the ground level which is 5 ft below the end of the string.
From the triangle, we can calculate the height of the kite above the end of the string using pythagoras theorem.
x/200 = sin 25
x = 200 sin 25
x = 200 × 0.4226
x = 84.52 ft
Now, the bottom of the kite is 5 ft off the ground as depicted in the attachment.
Thus, height of kite above the ground = 84.52 + 5 = 89.52 ft
Write x^2 + 4x +5 in the form of (x + a)^2 + b where a and b are integers
Answer:
[tex](x+2)^2 + 1 \ , \ where \ a = 2 \ , \ b = 1[/tex]
Step-by-step explanation:
[tex](x + 2)^2 = x^2 + 4x + 4\\\\(x+2)^2 + 1 = x^2 + 4x + 5[/tex]
[tex]Therefore,[/tex]
[tex]x^2 + 4x + 5 = (x+2)^2 + 1[/tex]
10. Which is the best approximation for Pi? A 14/7 B 44/14 C 14/3 D 3/14
Answer:
I think its D 3/14
Step-by-step explanation:
Pi is 3.141592654
If this helps mark as brainllest please!!!
Se tienen 25 billetes de 5 y de 20 lempiras con un monto de 350 lempiras cuantos billetes de 5 lempiras se tienen y de 20 lempiras
Answer:
El número de facturas
5 lempiras = 10 billetes
20 lempiras = 15 billetes
Step-by-step explanation:
Vamos a representar
El número de facturas de
5 lempiras = x
20 lempiras = y
Nuestro sistema de ecuaciones se da como:
x + y = 25 ..... Ecuación 1
x = 25 - y
5 × x + 20 × y = 350
5x + 20y = 350 .... Ecuación 2
Sustituiríamos x por 25 - y en la ecuación 2
5 (25 - años) + 20y = 350
125 - 5 años + 20 años = 350
125 + 15 años = 350
15 años = 350 - 125
15 años = 225
y = 225/15
y = 15
Resolviendo para x
x = 25 - y
x = 25 - 15
x = 10
Por lo tanto, el número de facturas
5 lempiras = 10 billetes
20 lempiras = 15 billetes
HELP ME NOW OOR NO DINO COOKIES snsndndnd
Answer:
it is because the volume of the box is 200in^2
30 dollars
Step-by-step explanation:
Which of the following figures have an area greater than 40 square centimeters?
Select ALL that apply.
A. A triangle that has a base of 8 cm and height of 9 cm
B. A square that has a side length of 7 cm
C. A rectangle that has a base of 14 cm and height of 3 cm
D. A parallelogram that has a base of 5 cm and a height of 6 cm
B AND C
Step-by-step explanation:
B
AREA OF SQUARE =L²
= 7²
= 49cm²
C..
area of a rectangle Base × height
= 14 × 3
= 42cm²
In RST, RS = 8 and ST = 10. Which one of the following cannot be true?
RT cannot equal 18 because then A + B would be equal to C which and then the sides cannot touch.
If I put $80 into an account offering 2%
interest per year, how much interest would
I earn in five years?
Answer:
$88
General Formulas and Concepts:
Pre-Algebra
Order of Operations: BPEMDAS
Brackets Parenthesis Exponents Multiplication Division Addition Subtraction Left to RightAlgebra I
Simple Interest Rate Formula: A = P(1 + rt)
P is principle amountr is ratet is timeStep-by-step explanation:
Step 1: Define
Identify
P = 80
r = 2% = 0.02
t = 5
Step 2: Find Interest
Substitute in variables [Simple Interest Rate Formula]: A = 80(1 + 0.02 · 5)(Parenthesis) Multiply: A = 80(1 + 0.1)(Parenthesis) Add: A = 80(1.1)Multiply: A = 88i’m not sure what the last one is .. can u help pls
Answer:
136
Step-by-step explanation:
180 - <BAC
CSC(4x) - cot(4x)
CSC(4x) + cot(4x) =
A. tan(2x)
B. cot(4x)
C.tan^2(2x)
D. tan^2 (4x)
Answer:
c. tan^2(2x)
Step-by-step explanation:
The required simplified expression is given as tan²(2x). Option c is correct.
[CSC(4x) - cot(4x) ] / [CSC(4x) + cot(4x) to be simplified.
What is simplification?The process in mathematics to operate and interpret the function to make the function simple or more understandable called simplifying and the process is called simplification.
[tex]= [csc(4x) - cot(4x)] / [csc(4x) + cot(4x)] \\= [1/sin4x - cos4x/sin4x] / [1/sin4x + cos4x/sin4x]\\= [(1-cos4x)/sin4x] / [(1+cos4x) /sin4x] - - - - (1)[/tex]
Here,
[tex]1 - cos4x = 2sin^24x[/tex]
[tex]sin4x = 2sin2xcos2x,\\ 1+cos4x = 2cos^22x[/tex]
now put the value in equation 1
[tex]= [(2sin^22x)/2sin2xcos2x] / [(2cos^22x) /2sin2xcos2x] \\= [(sin2x)/cos2x] / [(cos2x) /sin2x] \\=tan2x/cot2x\\=tan^22x[/tex]
Thus, the required simplified expression is given as tan²(2x). Option c is correct.
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