Answer:
Integers
Step-by-step explanation:
They are not all positive integers because -72 is negative.
They are not all negative because 45 is positive. The + sign is implied.
They are all whole numbers and not irrational.
Thus, they are integers, which by looking at the data, we see is true.
Two friends are playing a game with a 20 -sided die that has all of the letters of the alphabet except for Q, U, V, X, Y , and Z . What is the probability that the die will land on a vowel?
The probability that the die will land on a vowel is 0.2.
It is given in the question that the die is 20-sided and has all of the letters of the alphabet except for Q, U, V, X, Y , and Z .
We have to find the probability that the die will land on a vowel.
Possible outcomes of vowels = A, E, I and, O
Hence, number of possible outcomes = 4
We know that,
Total number of outcomes = 20
Hence,
Probability that the die will land on a vowel = 4/20 = 1/5 = 0.2
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Isaiah is getting on the bus after work. It costs $ 0.50 to ride the bus to his house. If he has 3 quarters, 5 dimes, and 2 nickels in his pocket, find the probability that he will randomly pull out two quarters in a row. Assume that the events are equally likely to occur.
The probability that he will randomly pull out two quarters in a row is 1/15.
Given that:-
Number of quarters Isaiah has = 3
Number of dimes Isaiah has = 5
Number of nickels Isaiah has = 2
We have to find the probability that he will randomly pull out two quarters in a row.
Probability of getting the first quarter = 3/(3+5+2) = 3/10
After taking out the first quarter, now he is only left with 2 quarter, 5 dimes and 3 nickels.
Hence,
Probability of getting the second quarter = 2/(2+5+2) = 2/9
Hence, probability of getting two quarters in a row = 3/10 * 2/9 = 1/15
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a. What is an equation of the parabola with vertex at the origin and directrix x=- 5/2 ?
The equation that defines the parabola with vertex at the origin and directrix at x = -5/2 is
x = y²/10
We define what a parabola is
What is a parabola?The parabola is a geometric shape that is formed from the intersection of a vertical plane in a cone.
The canonical equation of a parabola is given by
(x - h)² = 4p(y - k)
The parabola is a quadratic function, it is composed of a vertex, or inflection point, a focus and a directrix.
Since the vertex and the focal axis are on the same axis, we analyze that:
v = (0, 0)
d = (-2.5, 0) them the focus is on the right so the parabola is of the form X = Y².
(y - 0)² = 4p(x - 0)
If the directrix is x = -5/2 then the focus will be:
f = (0 + p, 0)
0 + p = 2.5
p = 0 + 2.5
p= 2.5
(y - 0)² = 4*2.5(x - 0)
(Y)² = 10(X)
x = y²/10
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Jake is borrowing $41,000 for 5 years at an APR of 3%. Using the table above, find the monthly payment.
The monthly payment for Jake borrowing $41,000 for 5 years at a 3% APR is $736.72.
What are monthly payments?Monthly payments are equal periodic payments made to offset an outstanding liability.
The monthly payments are the compounded principal (Principal + Compound Interest amount) divided by the number of periods.
The monthly payments can be computed using an online finance calculator as follows:
Data and Calculations:N (# of periods) = 60 months (5 years x 12)
I/Y (Interest per year) = 3%
PV (Present Value) = $41,000
FV (Future Value) = $0
Results:
Monthly Payment (PMT) = $736.72
Sum of all periodic payments= $44,203.20
Total Interest = $3,203.20
Thus, Jake who borrowed $41,000 for 5 years at a 3% APR needs to make a monthly payment of $736.72 to settle the principal and the compounded interest.
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can you guys check this problem
it’s says “if the perimeter of a rectangle is 84. find the length if the width is 12”
i got 2L+24=84 and for L=i got 30
please help ???
Solve each equation. 5(3 w-2)-7=23
The solution of the given linear equation in one variable 5(3w - 2) -7= 23 is at w = 8/3.
According to the given question.
We have a linear equation in one variable 5(3w - 2) - 7 = 23.
As we know that, as we know that, the linear equations in one variable is an equation which is expressed in the form of ax+b = 0, where a and b are two integers, and x is a variable and has only one solution.
Thereofre, the solution of the linear equation in one variable 5(3w -2) = 23 is given by
5(3w - 2) -7= 23
⇒ 15w - 10 -7 = 23 ( by distributive rule)
⇒ 15w -7-10 = 23
⇒ 15w -17 = 23
⇒ 15w = 23 + 17 ( adding 17 both the sides)
⇒ 15w = 40
⇒ w = 40/15
⇒ w = 8/3
Hence, the solution of the given linear equation in one variable 5(3w - 2) -7= 23 is at w = 8/3.
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Does (7, 1) make the equation y = x + 6 true? yes or no
Answer:
no
Step-by-step explanation:
(x, y) (7, 1)
x = 7
y = 1
plug these numbers into y = x + 6
1 = 7 + 6
1 = 13
false
so, no
Name the types of angles shown.
L
Check all that apply.
M
A. complementary angles
B. straight angle
C. supplementary angles
Dright angle
Answer:
It would be b. and c. and d.
Step-by-step explanation:
b. What are the vertex, focus, and directrix of the parabola with equation x=-4 y² ?
In the equation of the given parabola the values of the vertex, focus and directrix are as follows:
v = (0,0)f = (-1/16, 0)d = x = 1/16What is a parabola?The parabola is a geometric shape that is formed from the intersection of a vertical plane in a cone.
The parabola is a quadratic function, it is composed of a vertex, or inflection point, a focus and a directrix.
In this case we have an expression given by:
x = - 4y²
We must find the canonical equation:
-4(y - 0)² = 1(x - 0)
(x - 0) = -4 (y - 0)²
has the form
(y - k)² = 4p(x - h)
This means that the vertex of this parabola is
v = (h, k)
v = (0,0)
To know the focus we must know the value of "p".
4p = -1/4
p = -1/16
f = (0, -1/16)
Directrixd = x = 1/16
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Completed in 1863 , the dome is one of the most recent additions to the United States Capitol. It is supported by 36 iron ribs and has 108 windows, divided equally among three levels.
a. Excluding the spire of the dome, how many horizontal and vertical planes of symmetry does the dome appear to have?
18 lines of symmetry the dome have, after excluding the spire of the dome.
36 ÷ 2 = 18
3 row × 36 windows per row, total windows = 108. 36 of them connects a window with the window across to form 1 line of symmetry.
What is a symmetry?If two additional identical parts that are arranged in an orderly fashion can be divided from a shape, it is said to be symmetrical. As an illustration, if you are instructed to cut out a "heart" from a piece of paper, you need just fold the paper, draw one-half of the heart at the fold, and then cut it out to discover that the second half exactly matches the first half.
Asymmetrical and symmetrical balances are the two types of balance. The two parts of the thing are precisely identical and balanced in symmetrical balance. The two parts of an asymmetrical balance are not similar; rather, separate things are arranged such that they appear to be balanced.
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What is 3x + 12 - 6x < -9
Answer:Your answer is X>7
Step-by-step explanation:
Form:
x>7
Interval Notation:
(7,∞)
help me out g, pre algebra
Jupiter is closer to the sun with 17. 3 × 10^ -2 kilometers
What is ratio?
A ratio can be defined as the comparison of two numbers or elements indicating their sizes in relation to each other.
It also explains how many times a number contains another.
From the information given, we have;
Jupiter is 7. 78 × 10^8km from the sunNeptune is 4. 5 × 10^9km from the sunTo determine the distance Jupiter is from the sun than Neptune, we have to divide the distance for Jupiter by Neptune
= 7. 78 × 10^8/ 4. 5 × 10^9
= 0. 173
= 17. 3 × 10^ -2 kilometers
Thus, Jupiter is closer to the sun with 17. 3 × 10^ -2 kilometers
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Find the 92nd term of the arithmetic sequence -29.
-22.
-15, ...
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Can someone help me find the value of x
Answer:
25°Step-by-step explanation:
in the picture
2x2 =4
1 grade
waswaswaswasswaswasw
Answer:4
Step-by-step explanation: 2x2 = 4 just as u said
The vertices of a triangle are L(0,1), M(1,-2), and N(-2,1). Draw the figure and its image after a translation 1 unit left
and 6 units up.
Polygon
-10-9 -8
4-3-2
104
9
8
7
6
5-
3
2
1
OF
-2
-3-
-4
Undo
4
1
2
3
Redo
4
5
6
x Reset
7 8 9
10
Answer:
(1,12)
Step-by-step explanation:
in a graph we know that 5 is equal to 10 so the answer is 1,12
y is inversely proportional to x.
When y = 7, x = 9
a) Work out an equation connecting y and X.
b) Work out the value of y when x = 21
(a) The equation connecting y and x is y = 21 × 1 / x .
(b) The value of y when x = 21 is 1 .
When the worth of 1 amount will increase with relation to decrease in different or vice-versa, then they're same to be reciprocally proportional. It implies that the 2 quantities behave opposite in nature.(a) It is given that y is inversely proportional to x which means that it can be written as y ∝ 1 /x an hence y = k × 1 /x ......(1) where "k " is proportionality constant .
Putting y = 7 and x = 9 in equation (1) , we get
7 = k × 1 / 3
k = 7 × 3
k = 21
Hence , equation connecting y and x is y = 21 × 1 / x ....(2)
(b) Putting x = 21 in equation (2) , we get
y = 21 × 1 / 21
y = 1
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Find the slope and y -intercept of each line.
(A/D)x + (B/D)y = C/D
The slope is -A/B and y-intercept is C/B in the line (A/D)x + (B/D)y = C/D
What is a slope of line?A line's steepness and direction are determined by the slope of the line. Without actually using a compass, determining a line's slope in a coordinate plane allows one to anticipate whether a line is parallel, perpendicular, or not.
The change in a line's y coordinate relative to its change in x coordinate is referred to as the line's slope. Δy is the net change in the y coordinate, while Δx is the net change in the x coordinate.
Therefore,
m = y₂-y₁/x₂-x₁ (where m denotes the slope) can be used to express how the y coordinate changes in relation to the x coordinate.
Be aware that tan ∅ = y/x.
We also refer to this tan as the line's slope
We know that the equation for slope(m) and y - intercept(c) of a line is given by :
y = mx + c
Here the equation is give as (A/D)x + (B/D)y = C/D, lets simply
⇒ (A/D)x + (B/D)y = C/D
⇒ B(y)/D = C/D -(A/D)x
⇒ [tex]\frac{B(y)}{D}[/tex] = [tex]\frac{C -A(x)}{D}[/tex]
⇒ B(y) = C - A(x)
⇒ y = [tex]\frac{C -A(x)}{B}[/tex]
⇒ y = [tex]\frac{ -A}{B}x + \frac{C }{B}[/tex]
Here, slope is -A/B and y-intercept is C/B
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Shawn surveyed his homeroom class to find out how many of his classmates have at least 1 sibling. Of the 32 people in his homeroom, 25 have at least one sibling.
(b) What is the number of students in Shawn's school with at least one sibling?
A variable is a place where values are kept. The number of students in Shawn's school with at least one sibling is 367.
What is meant by variables?A variable is a quantity that could change depending on the circumstances of an experiment or mathematical problem. Typically, a variable is denoted by a single letter. The general symbols for variables most frequently used are the letters x, y, and z.
A variable is a symbol and a stand-in for any mathematical object in mathematics. A variable can specifically denote a number, a vector, a matrix, a function, its argument, a set, or one of its elements.
Let the number of students be x, then
25/32 = x/470
simplifying the above equation, we get
25(470) = 32x
32x = 11750
Dividing both sides of the equation by 32, we get
32x / 32 = 11750 / 32
x = 367
The value of x = 367.
Therefore, at least one sibling is present among 367 kids at his school.
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Identify the hypothesis and conclusion of conditional statement.
If 2 x+6=10 , then x=2 .
The hypothesis is the phrase following the word if = " 2 x+6=10"
The conclusion is the phrase following the word then = " x=2"
What is hypothesis?A specific, verifiable prediction of what the researcher(s) believe the study's results will be is known as a hypothesis (plural: hypothese). It is stated at the outset of the investigation.
Most often, this entails speculating on a potential correlation between two variables: the independent variable (what the researcher modifies) and the dependent variable (what the research measures).
The null hypothesis and the alternative hypothesis (known as the experimental hypothesis when the technique of examination is an experiment) are traditionally written as two separate forms of the hypothesis in research.
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Use the given information to write an equation of the circle.
center (1,-2) , through (0,1)
Using the given information, the equation of the circle with center located at point (1 , -2) and passes through the point (0 , 1) is (x - 1)^2 + (y + 2)^2 = 10.
Using the distance formula, get the radius of the circle by solving for the distance between the center (1 , -2) and the point (0 , 1).
radius = distance = √(x2 - x1)^2 + (y2 - y1)^2
radius = √(0 - 1)^2 + (1 - -2)^2
radius= √1 + 9
radius = √10
The standard form of the equation of the circle is given by (x - h)^2 + (y - k)^2 = r^2, where (h , k) is the location of the center and r is the radius of the circle.
Given the radius and center of the circle, substitute these values to the standard form of the equation of the circle.
(x - h)^2 + (y - k)^2 = r^2
where (h , k) = (1 , -2)
r = √10
(x - 1)^2 + (y - -2)^2 = (√10)^2
(x - 1)^2 + (y + 2)^2 = 10
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Steve races to the nearest taco stand at lunchtime and sees that his pedometer recorded his peak speed at 75.175.1 cm/s. what was steve's peak speed in kilometers per hour?
2.42 km was steve's peak speed in kilometers per hour.
Describe speed -
Velocity is the pace and direction of an object's movement, whereas speed is the time rate at which an object is travelling along a path. In other words, velocity is a vector, whereas speed is a scalar value.Given speed is 67.1 cm/s
we know that 1 cm = 10-² m
and 1 m = 10-³ km
∴ 1 cm = 10-5 ∴m
also 1 sec = 1/3600 hr
∴ 67.1 cm/s = [tex]\frac{67.1 * 10^{-5 km} }{\frac{1 hr}{3600 } }[/tex]
or 67.1 cm/s = 2. 4156 km/hr or 2.42 km
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plotting and somthing else give me an answer
Answer:
place the dot on 8, -6, and 12
Step-by-step explanation:
The chart to the right shows a country's annual egg production. Model the data in the chart with a linear function, using the points
(1994,51.7) and (1998,60.3). Let x represent the year, where x=0 represents 1994, x= 1 represents 1995, and so on, and let y
represent the egg production (in billions). Predict egg production in 2000.
Year
1994
1995
1996
1997
1998
1999
2000
Save
Egg production
(in billions)
51.7
52.6
54.4
57.1
60.3
63.8
69.5
The egg production in 2000 is predicted to be 64.6 billions eggs
Finding the slope of the line using the data form the table
y = mx + c
m = ( y2 - y1 ) / ( x2 - x1 )
m = (60.3 - 51.7 ) / ( 4 - 0 )
m = 8.6 / 4
m = 2.15
using the slope intercept form gives:y - y1 = m ( x - x1 )
y - 51.7 = 2.15 ( x - 0 )
y - 51.7 = 2.15
y = 2.15x + 51.7
year 2000 is equivalent to x = 6
y = mx + c
plugging in x = 6 gives
y = 2.15 * 6 + 51.7
y = 64.6 billions eggs
The egg production in 2000 is predicted to be 64.6 billions eggs
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What is the value of f(4) for the function described in the table?
a. Name two unmarked congruent segments.
Line segments are congruent if they have the same length.
∠ ACB ≅ ∠ ABC
What is meant by congruent segments?Segments of the same length are said to be congruent. Collinear points are those that share a line. A mathematical assertion that can be validated is known as a theorem. A point that separates a segment into two congruent segments is the segment's midpoint.
Line sections are harmonious assuming that they have a similar length. You can utilize tick imprints to demonstrate harmonious line sections. In the triangle underneath, line fragments Stomach muscle and BC are harmonious.
Harmonious portions are sections that have a similar length. ≅ Focuses that lie on a similar line are called collinear. A hypothesis is a numerical explanation that can be demonstrated. The midpoint of a section is a point that separates the portion into two harmonious fragments.
Therefore, ∠ ACB ≅ ∠ ABC
The complete question is:
a. Name two unmarked congruent segments.
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Can someone help me?
Answer:
30
Step-by-step explanation:
if x=4 you would take the x out of 2x and replace it with 4 so it would be 24+6
Write a rule so that for every input, the output is an even number.
The output is always an even integer for every input. Odd numbers end in the digits 1, 3, 5, 7 while even numbers conclude in the numerals 0, 2, 4, 6, 8.
What are odd and even numbers?A number that can be split into two equally sized groups is said to be even. A number that cannot be split into two equal groups is said to be odd.No matter how many digits they have, even numbers always end in 2, 4, 6, 8 or 0. Odd numbers end with 1, 3, 5, 7, and 9.Any number multiplied by an even number gives an even number.Let us consider an input = number (n) × even number.
So, the output is definitely an even number.
The output is always an even integer for every input. Odd numbers end in the digits 1, 3, 5, 7 while even numbers conclude in the numerals 0, 2, 4, 6, 8. In this instance, we can multiply any x number by any even integer to obtain an even number.
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Find the missing side. Round to the nearest tenth, if necessary.
Length of leg b =
Answer:
Your answer is 20
Step-by-step explanation:
Ok so AB= 25
BC= 15
We need to find AC And the Pythagorean theorem says a²+b²=c²
Since we only got C and B were gonna do subtraction
So 25²-15²= 400
And 400 square rooted is 20
Hope this helps :33333
Paty's Florist is creating flower arrangements for Mother's Day. A bouquet of 12 roses, 8 carnations, and 8 daisies cost $42. A bouquet of 8 roses, 6 carnations, and 10 daisies cost $34.50. A bouquet of 10 roses, 10 carnations, and 6 daisies cost $37.50.
Give the solution of the system as an ordered triple (x,y,z)
How much will a bouquet of 12 daisies cost?
The solution of the system as an ordered triple (x, y, z) is; (2, 1, 1.25).
The cost of a bouquet of 12 daisies is; $15
How to solve simultaneous Equations?Let the cost of roses be x
Let the cost of carnations be y
Let the cost of Daisies be z
Thus, we have the three simultaneous equations as;
12x + 8y + 8z = 42 ------(1)
8x + 6y + 10z = 34.5 ------(2)
10x + 10y + 6z = 37.5 ------(3)
Using online simultaneous equation calculator gives us the values as;
x = 2; y = 1; z = 1.25
Thus, the solution of the system as an ordered triple (x, y, z) is; (2, 1, 1.25).
The cost of a bouquet of 12 daisies is;
Cost = 12 * 1.25 = $15
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