Find the output, y, when the input, x, is -1.
Answer:
the output is 3
Step-by-step explanation:
look for the point on the graph whose coordinate is -1
the point on the graph whose x coordinate is -1 is (-1,3)
so its 3
Water makes up 3.4 of a person's weight. If a student weighs 100 lbs., how much of his weigh is water?
Answer:
75
Step-by-step explanation:
To determine how much of a persons weight is water, multiply 3/4 by their weight.
weight of water = weight x 3/4
100 x 3/4 0r 100 x 0.75 ( same thing)
75
The student weighs 75 lbs underwater
P.S it's not 3.4 it's 3/4 = 75% of our body is made up of water.
Rebecca bought one gold fish ($32) and one star fish ($12). She spends the rest of her money on guppy fish. She starts with $80. Each guppy costs $6. Write an inequality for the number of guppies she can purchase.
Answer:
she can purchase 36 guppies
Step-by-step explanation:
80-32=48, 48-12=36
Here are the first four terms of a sequence.
4
11
22
37
Find an expression, in terms of n, for the nth term of this sequence.
Answer:
aₙ = 2n² + n + 1Step-by-step explanation:
We observe that the difference of terms is 4, 7 and 15 and next level difference is 4. It means the sequence is quadratic.
We can compare this with simple quadratic sequence
1, 4, 9, 16and find out that doubling each term gives us
2, 8, 18, 32This is close to our sequence, write the terms as follows to find exact rule
The first term:
a₁ = 4 = 2*1² + 2 = 2*1² + 1 + 1The second term
a₂ = 11 = 2*2² + 3 = 2*2² + 2 + 1The third term:
a₃ = 22 = 2*3² + 4 = 2*3² + 3 + 1The fourth term:
a₄ = 37 = 2*4² + 5 = 2*4² + 4 + 1The nth term as per observation above is:
aₙ = 2n² + n + 1Answer:
Step-by-step explanation:
The length of a rectangle is 5(x+2) units. The width of the rectangle measures (2x-1) units. Set up and simplify an alegebraic expression to find the difference between the rectangles length and width.
Answer:
(3x + 11) units
Step-by-step explanation:
The length of a rectangle is 5(x+2) units.
The width of the rectangle measures (2x-1) units.
The difference between the rectangles length and width is given as:
Length - Width
(5(x + 2) - (2x - 1) units
(5x + 10 - 2x + 1) units
(5x - 2x + 10 + 1) units
(3x + 11) units
Therefore, the algebraic expression for the difference between the rectangles length and width is given as:
(3x + 9) units
Brittany bought a dress that cost $22.50. If the sales tax is 6.5%, how much tax did she pay?
Answer:
$1.46
Step-step explanation:
We have to find out what 6.5% of 22.5 is, our keyword is of, so we're multiplying. Our equation is:
22.5 x 0.065 = 1.46
So our tax is $1.46
Simplify the expression 4m+8+3m
Answer: 7m+8
Step-by-step explanation:
trish walked 3 blocks to the store at a pace of 1/3 blocks every 2 minutes. How long did it take her to walk to the store
Determine whether(-8,-3) is a solution of 2x -8=1 is (-8,-3) a solution to the equation ?
Answer:
No
Step-by-step explanation:
(-8,-3) does not land on the line 2x-8=1
х+2y = 9
3х + 5y = 20
Answer:
x=-5 y=7
good luck :)
(7) Length of the base of a triangle is 12 cm.if the base is triple the height,
The area of the triangle = ?
(a) 36 cm
(c) 24 cm
(b) 144 cm
(d) none of the previous
Can someone please solve this with steps?
A clerk mixes a 15 pound a 15 pound bag of nuts for a customer. peanuts cost $ 5.50 5.50 per pound pound amd cashews cost $ 7.60 7.60 per pound . Pound . the total cost comes to $ 75.50 write a system of equations to find how many pounds of peanuts and how many pounds of cashew are in the bag
Answer:
[tex]x+y= 15---------------------1\\\\5.5x+7.6y= 75.5----------------2[/tex]
Step-by-step explanation:
Given data
let the number of peanuts be x
and the number of cashew be y
so
x+y= 15---------------------1
and
5.5x+7.6y= 75.5----------------2
Hence the system of equation is given as
[tex]x+y= 15---------------------1\\\\5.5x+7.6y= 75.5----------------2[/tex]
HURRRY DUE IN 1 HR HEEELLLLPPP
Answer:
3* 2*3*2 is n
Step-by-step explanation: well find a way to put 3 and 2 two times in expressions and expressions have no equal signs steer clear of that.
An experiment consists of spinning the spinner
below. What is the theoretical probability it will
land on green?
Green
Yellow
Red
Red
Green
Yellow Green
0.43
0.5
0.75
0.375
Answer:
total outcomes= 8
green = 3
probability to get green = 3/8 = 0.375
Use the Pythagorean’s Theorem to find the missing side of each triangle
Answer:
131 is prime. So the answer is A
Step-by-step explanation:
Remark
x is one of the legs. The other one is √65
Equation
x^2 + (√65)^2 = 14^2
Solution
x^2 + 65 = 196 Subtract 65 from both sides
x^2 = 196 - 65
x^2 = 131 Take the square root of both sides.
√x^2 = √131
x = √131
I toss a coin 20 times. comes up "Heads" 7 times. What is the 1 point
relative frequency of getting a "Head"?
Someone help please I have to finish this quickly—
Answer in fraction form = 7/20
Answer in decimal form = 0.35
Answer in percent form = 35%
These are three ways to say the same thing.
======================================================
Explanation:
To get the relative frequency, you divide the number of times heads comes up out of the number of tosses total. Reduce the fraction as much as possible. In this case, 7 and 20 have no factors (other than 1) in common. So the fraction 7/20 cannot be reduced further.
The fraction 7/20 converts to the decimal form 0.35 after using a calculator or long division.
0.35 converts to 35% after moving the decimal over to the right two spots.
Solve the equations that have variables on both sides, find your answers in the legend below: *
I HAVE PUT THIS QUESTION OUT 5 TIMES PLEASE ANACER
Answer:2=B , -3=T. 5=S. 40=L
Step-by-step explanation:
This Venn diagram illustrates the sample space of the numbers.
Complete the table by filling in the values for each region of the sample space.
Answer:
Image attached below
Explanation:
Plato answer
Answer:
Event | ValuesE1 | 1, 3, 5, 7, 9, 12, 14, 16, 18, 19, 21, 23, 25, 27, 30, 32, 34, 36 E2 | 1, 3, 5, 7, 9, 11, 13, 15, 17, 19, 21, 23, 25, 27, 29, 31, 33, 35E1 & E2 | 1, 3, 5, 7, 9, 19, 21, 23, 25, 27 E1 or E2 | 1, 3, 5, 7, 9, 11, 12, 13, 14, 15, 16, 17, 18, 19, 21, 23, 25, 27, 29, 30, 31, 32, 33, 34, 35, 36Step-by-step explanation:
plato / edmentum answer
Hideki buys a skateboard that costs c dollars. After 6.5% sales tax is added, the total cost can be expressed by the expression c+0.065c
. What is this expression written in simplest form?
Answer: c(1 + 0.065)
Step-by-step explanation:
Use the diagram below to solve for the missing angles, XYZ. Please help!
Answer:
z=50
y and x=65
Step-by-step explanation:
z=180-130=50 because the total angles on a straight line sum up to 180
x and y=(180-50)/2=65 because 2 angles in an isosceles triangle are equal
PLEASE HELP ASAP!!!!!
Given:
The side lengths of two cubes are 2.5 yd and 2 yd.
To find:
The side length of third cube.
Solution:
From the given figure it is clear that the cubes are inclined to each other in such a way so that they form a right angle triangle and side length of third cube is the base.
Let x be the side length of the third cube.
Using Pythagoras theorem, we get
[tex]Hypotenuse^2=Base^2+Perpendicular^2[/tex]
[tex](2.5)^2=(x)^2+(2)^2[/tex]
[tex]6.25=x^2+4[/tex]
[tex]6.25-4=x^2[/tex]
[tex]2.25=x^2[/tex]
Taking square root on both sides, we get
[tex]x=\pm\sqrt{2.25}[/tex]
[tex]x=\pm 1.5[/tex]
Side cannot be negative. So,
[tex]x=1.5[/tex]
Therefore, the side length of the third cube is [tex]x=1.5[/tex] yd.
What is the constant of proportionality in the table below
Answer:
1/3
Step-by-step explanation:
Y/x=k that is the equation for constant of proportionality
2/6=k
1/3=k
how many units apart are (3.1,-1) and (4.1,-1)
Answer:
The points are 1 unit apart.
Step-by-step explanation:
Given points are:
(3.1,-1) and (4.1,-1)
Distance formula is given by;
Distance between points = [tex]\sqrt{(x_2-x_1)^2+(y_2-y_1)^2[/tex]
Where,
[tex](x_1,y_1)[/tex] = Coordinates of first point
[tex](x_2,y_2)[/tex] = Coordinates of the second point
Putting the values,
Distance = [tex]\sqrt{(4.1-3.1)^2 + (-1-(-1))^2[/tex]
Distance = [tex]\sqrt{(1)^2 + (-1+1)^2[/tex]
Distance = [tex]\sqrt{(1)^2}[/tex]
Distance = 1 unit
Hence,
The points are 1 unit apart.
Help
I will give u 10 points
Answer:
D 30
Step-by-step explanation:
each angle in the hexagon=120°
angleSMN=120°
all triangles =180° in total
180-120= 60
60÷2 =30
remaining 2 angles = 30° each
What is the common difference of the set {(1, 0), (2, 2), (3, 4), (4, 6), (5, 8)}?
36n + 30
Greatest common factor of this?
2^4 = which number is the base?
Answer:
2
Step-by-step explanation:
cuz it's the number below
please help i'm so confused and its due todayyy :(
will mark brainliest!!
Answer:
C
Step-by-step explanation:
Because lets say we have a point (1,2)
when reflecting this point over the y-axis it becomes (-1,2) so only the sign of the X value changes. Therefore by writing the system f(x)=g(-x) it changes the X value.
PLZ HURRY
which expression is equivalent to (5r + 2) +- (4x - 3)?
Step-by-step explanation:
Answer : 5r−4x+5
hope I helped c:
Insta: brianna_editsz
Which sets of ordered pairs show equivalent ratios? (1, 2), (2, 3), (4, 7) (2, 2), (4, 4), (6, 6) (3, 1), (4, 1), (5, 1) (4, 1), (8, 2), (12, 3) (2, 1), (4, 3), (5, 4)
Given:
The different sets of ordered pairs in the options.
To find:
The sets of ordered pairs that show equivalent ratios
Solution:
The set of ordered pairs show equivalent ratios, if
[tex]\dfrac{y}{x}=k[/tex]
Where, k is a constant.
For option 1,
(1, 2), (2, 3), (4, 7)
[tex]\dfrac{2}{1}\neq \dfrac{3}{2}[/tex]
For option 2,
(2, 2), (4, 4), (6, 6)
[tex]\dfrac{2}{2}=\dfrac{4}{4}=\dfrac{6}{6}=1=k[/tex]
The set of ordered pairs (2, 2), (4, 4), (6, 6) show equivalent ratios.
For option 3,
(3, 1), (4, 1), (5, 1)
[tex]\dfrac{1}{3}\neq \dfrac{1}{4}[/tex]
For option 4,
(4, 1), (8, 2), (12, 3)
[tex]\dfrac{1}{4}=\dfrac{2}{8}=\dfrac{3}{12}=k[/tex]
The set of ordered pairs (4, 1), (8, 2), (12, 3) show equivalent ratios.
For option 5,
(2, 1), (4, 3), (5, 4)
[tex]\dfrac{1}{2}\neq \dfrac{3}{4}[/tex]
So, sets of ordered pairs in options 1, 3 and 5 does not show equivalent ratios.
Therefore, the correct options are 2 and 4.
