The graph of the function y = - 2x + 6 is plotted and attached.
What is the general equation of a Straight line?The general equation of a straight line is -
[y] = [m]x + [c]
where -
[m] → is slope of line which tells the unit rate of change of [y] with respect to [x].
[c] → is the y - intercept i.e. the point where the graph cuts the [y] axis.
We have the following equation of line -
y = - 2x + 6
Given is the following equation of line as -
y = - 2x + 6
The slope of the line would be [- 2] and the [y] intercept would be [6].
Refer to the graph attached.
Therefore, the graph of the function y = - 2x + 6 is plotted and attached.
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A bag of mixed sweets contains 20 fruit drops, 15 chewing gum and 12 toffees. If three sweets are chosen at random what is the probability that they are: All different, All fruit drops, All the same, All not fruit drops.
The probabilities that they are all different, All fruit drops, All the same, All not fruit drops are 2.22%, 7.03%, 11.2%, and 18.96%, respectively.
What is Probability?Probability helps us to know the chances of an event occurring. The sum of all the probabilities of an event is always equal to 1. The formula for probability is given as,
Probability= Desired Outcomes / Total Number of outcomes possible
Given that the bag of mixed sweets contains 20 fruit drops, 15 chewing gum and 12 toffees. Therefore, the probabilities can be written as,
Probability of getting a fruit drop = 20/47
Probability of not getting a fruit drop = 1 - (20/47) = 0.574468
Probability of getting a chewing gum = 15/47
Probability of getting a toffee = 12/47
Now, we can write the following probabilities as,
a.) Probability of getting All different
= (20/47) × (15/46) × (12/45)
= 0.2553 × 0.326 × 0.2667
= 0.02219
= 2.22%
b.) Probability of getting all fruit drops,
= (20/47) × (19/46) × (18/45)
= 6840 / 97290
= 0.0703
= 7.03%
c.) Probability of getting all the same
= Probability of getting all fruit drops + Probability of getting all chewing gum + Probability of getting all toffee
= [(20/47) × (19/46) × (18/45)] + [(15/47) × (14/46) × (13/45)] + [(12/47) × (11/46) × (10/45)]
= (6840/97290) + (2730/97290) + (1320/97290)
= 0.112
= 11.2%
d.) Probability of getting all not fruit drops
= (Probability of not getting a fruit drop)³
= 0.574468³
= 0.189582
= 18.96%
Hence, the probabilities are calculated for different cases as shown above.
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is - 5/1 a integer?
The following table shows the speeds at which Jeff does 4 activities. For example, Biking has a rate of 19 miles in 2 hours.
Activity Miles Hours
Biking 19 2
Walking 14 4
Running 15 3
Swimming 18 4
Which type of activity does Jeff do at a speed of 4.5 miles per hour?
Choose 1 answer:
(Choice A)
Biking
(Choice B)
Walking
(Choice C)
Running
(Choice D)
Swimming
Answer:
Step-by-step explanation:
option 2 since it equals 14/4
12 3/4 less than the product of 7 and a number x
Answer:
7x – 12 3/4
Step-by-step explanation:
product of 7 and a number x: 7x
Solve the quadratic equation. Give your answer in exact form. -2x^2+8x+5=0
Answer:
exact form x = 4 ±√26/2
Step-by-step explanation:
The figure below will be rotated 90º clockwise about the origin, translated 9 units down, and then reflected about the y-axis.
When the figure passed through the transformations the image formed is similar to the image at B as attached
How to get the image of the transformationThe figure is in the second quadrant
clockwise rotation 90degrees about the origin will being the figure to the first quadrant
Translation 9 units down will bring an image to the -6 of the y direction in the fourth quadrant
reflection over the y axis will create a mirror image of the figure and make the image at the third quadrant
The option B correctly shows the final image
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Y varies directly as x if y=4 when x=3 find x when y=-12
Answer:x=-9
Step-by-step explanation:-12/4=-3 then do 3*-3=-9
x/7= -10 what is the answer????
The answer is x = -70.
To solve for x, bring the variable to one side, and bring all the remaining values to the other side by applying arithmetic operations on both sides of the equation. Simplify the values to find the result.
Multiply all terms by the same value to eliminate fraction denominators
/7 = −10
7⋅/7 = 7(−10)
Cancel multiplied terms that are in the denominator
7⋅/7 = 7 (−10)
x =7(-10)
Multiply the numbers
=7(−10)
=−70.
Hence The answer is x = -70.
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The zero of this function is 3 . What do you think "zero of a function" means?
The zeros of a function are the values of x that, when evaluated in the function, make the output of the function to be zero.
What doe the "zero of a function" means?A function is written in general form as y = f(x)
That notation says that, when we use the input "x" in a given function, that function "transforms" that input x into an output "y"
So y = f(x) is the value that the function takes for the input x.
A zero is an input of the function such that:
0 = f(x)
So the zeros are the inputs that have an output of zero, in this case you know that the function has a zero at 3, and as you can see, when x = 3, the function intercepts the x-axis, which is the axis defined by y = 0.
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Find the slope of the line that passes through all of the points
on the table.
8
2
5
8
11
14
Y
2
-6
-14
-22
-30
Only need the answer
Answer:
-8/3
Step-by-step explanation:
evaluate the expression for x=-3 Thank you
[tex] {x}^{2 } - 2x + 4[/tex]
Answer: 7
Step-by-step explanation:
3 x 3 = 9 - 2(3)+4
9-6+4
=7
3,000 divided by 48 x 4
Answer:500 I hope this helpful
Step-by-step explanation:
3000 divided by 48 times 8
To make the calculation easier, first multiply the numbers that result in multiples of 10
24000 divided by 48
Divide the numbers
=500
Answer:
250
Step-by-step explanation:
If we follow the rules of PEMDAS, we go from left to right. Therefore, first, do 3,000 divided by 48.
3,000/48=62.5
Now, multiply 62.5 by 4.
62.5x4= 250
250 is your answer :D
Hope this helps and have a wonderful day!
What is the answer 4(16)3 / 103=
The value of numerical expression 4(16)³ / 10³ will be 16.384.
What is the value of the expression?When the relevant components and basic processes of a numerical method are given values, the expression's result is the result of the computation it depicts.
PEMDAS rule means for the Parenthesis, Exponent, Multiplication, Division, Addition, and Subtraction. This rule is used to solve the equation in a proper and correct manner.
The expression is given below.
⇒ 4(16)³ / 10³
Simplify the expression, then we have
⇒ 4(16)³ / 10³
⇒ 4 x 4096 / 1000
⇒ 16384 / 1000
⇒ 16.384
The value of numerical expression 4(16)³ / 10³ will be 16.384.
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What triangle congruence theorem proves the triangles congruent? Type in the LETTER abbreviations NOT the full words. EXAMPLE: SSS
Answer:
HL
Step-by-step explanation:
the two triangles are right and have the same hypotenuse (the diagonal side) and one congruent leg (the horizontal side)
please help me out! im very confused
Answer: C
Step-by-step explanation:
38520 *.12 = $4,622.40
Solve
-3(2x+1)= 4(x-1)
Answer: x = 1/0 in exact form. x = 0.1 in decimal form.
First step, distribute:
[tex]-6x-3 = 4x-4[/tex]
Next, isolate x to one side :
[tex]-6x - 4x=-4+3[/tex]
[tex]-10x=-1[/tex]
Last step, divide both sides by -10:
[tex]x=\frac{1}{10}[/tex]
Thus, the answer is [tex]\frac{1}{10}[/tex]
Hope this helped :)
PLEASE HELP IM SCREWED
Number 13 and 15
Answer:7
Step-by-step explanation:
Which graph best represents a function with a domain of all real numbers greater than or
equal to 5?
Answer:
(c)
Step-by-step explanation:
You want the graph that has a domain of x ≥ 5.
DomainThe domain of a function is the set of x-values for which the function is defined. A domain of x ≥ 5 means the function is defined for x-values at least 5. The graph of the function will extend from x=5 indefinitely to the right.
Graph C is like that.
One year in Ferndale, California, it rained on 79 days. If one day of that year is randomly selected, what is the probability of rain on that day? (Assume that this was not a leap year.)
Answer:
21.64 % probability of rain at a random year
Step-by-step explanation:
79/365 * 100
21.64 %
The table shows the number of cars washed each hour during a fundraiser hour 1, 22 cars, hour 2, 30 cars, hour 3, 35 cars, To the nearest tenth, what was the percent of increase in cars washed from hour 2 to hour 3
The percentage increase in the number of cars from hour 2 to hour 3 is 16.7%
How to determine the percentage increase in the number of cars?In this question, we have the given figures that can be used in our computation:
Hour 1 = 22 cars
Hour 2 = 30 cars
Hour 2 = 35 cars
We want to calculate the percentage increase in the number of cars
So, we make use of only the following parameters
Hour 2 = 30 cars
Hour 2 = 35 cars
These figures can be represented as
Initial amount = 30
Final amount = 35
The percentage of the increase of the cars is then calculated using the following percentage equation
Increase percentage = (Final amount - Initial amount)/Initial amount * 100%
Substitute the known values in the above equation, so, we have the following representation
Increase percentage = (35 - 30)/30* 100%
Evaluate
Increase percentage = 16.7%
Hence, the increase percentage is 16.7%
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Katrina says that the expression 5,432 + 4,564 + 13,908 +61n can be evaluated by adding 5,432 + 4,564 +13,908 and then dividing by the value of 61n. Do you agree? Explain.
Answer: Nope.
Step-by-step explanation: The expression 5,432 + 4,564 + 13,908 + 61n cannot be evaluated by adding 5,432 + 4,564 + 13,908 and then dividing by the value of 61n. This is because the +61n term is not part of the addition being performed on the first three terms. The +61n term is separate and would need to be evaluated separately in order to find the value of the entire expression.
Instead, the correct way to evaluate the expression 5,432 + 4,564 + 13,908 + 61n would be to first add the first three terms together to get 23,904, and then evaluate the +61n term separately by substituting the value of n into the expression and performing the necessary calculations. For example, if n=2, the expression would be evaluated as follows:
5,432 + 4,564 + 13,908 + 61(2)
= 23,904 + 122
= 24,026
Therefore, the correct way to evaluate the expression 5,432 + 4,564 + 13,908 + 61n is to add the first three terms together and then evaluate the +61n term separately.
Write the number for twenty-one million six hundred thousand
4x=2y-9 plus -8x+6y=6
Answer:
-4x+4y+3=0
Step-by-step explanation:
(4x-2y+9=0)+(-8x+6y-6=0)
Add like terms:
-4x+4y+3=0
Humans can distinguish up to 18,400,000 individual dots called pixels on a typical computer display. Can a human distinguish pixels on a same sized HDTV with 2 x 10 to the 6th power pixels
Yes, human can distinguish pixels on a same-sized HDTV with 2 times 10 to the 6th power pixels.
What is Scientific Notation?Scientific notation is a way of expressing numbers that are too large or too small to be conveniently written in decimal form.
In the scientific form, we write a number in the form of base×10ⁿ.
Where 0 ≤ base < 10 and n can be any rational number.
Given,
Humans can distinguish up to 18,400,000 individual dots called pixels on a typical computer display
We need to check whether human distinguish pixels on a same sized HDTV with 2 x 10 to the 6th power pixels
2×10⁶ pixels.
= 2000000 pixels.
As 2000000 < 18400000
Hence, human can distinguish pixels on a same-sized HDTV with 2 times 10 to the 6th power pixels.
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Determine whether the following graphs describe relations, and whether they describe functions.
Answers: A.function B.Relation C.Neither D.Both
Answer: D
Step-by-step explanation:
Two angles of a triangle have the same measure and the third one is 60 degrees greater than the measure of each of the other two. Find the measure of the LARGEST angle in the triangle.
The Largest Angle has a measure of 100 degrees and measure of other two angles is 40 degrees each.
What is angle sum property of a triangle?
Angle sum property of triangle states that the sum of interior angles of a triangle is 180°.
According to the given question:
In triangle ABC, angle ABC equals to angle ACB and BAC is the largest angle.
Let angle measure of ABC and ACB angles be x degree then, measure of third angle BAC will be x + 60 degrees.
Since sum of all angles of any triangle is 180 degree.
x + x + (x + 3) = 180
3x = 180 - 60
3x = 120
x = 40 degrees
So, First angle = 40 degree
Second angle = 40 degree
Third Angle = 100 degree.
The Largest Angle angle has a measure of 100 degrees.
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PS Unit 02: Prove These Triangles are Congruent
please help I need this ASAP
The triangle ΔBAE is congruent to the triangle ΔCDE by ASA postulate.
What is the triangle?The polygonal shape of a triangle has a number of sides and three independent variables. Angles in the triangle add up to 180 °.
The ratio of the matching sides will remain constant if two triangles are comparable to one another.
If two lines intersects, then the opposite angle of the line will be congruent to each other.
In ΔBAE and ΔCDE,
AB = DC, (Given)
∠BAE = ∠CDE, (Right angle)
∠BEA = ∠DEC, (Opposite angle)
The triangle ΔBAE is congruent to the triangle ΔCDE by ASA postulate.
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Simplify (√2)(3/2) N/A 2 23 26 26 Look at the picture Its Better
PLEASE HELP
Answer:
C
Step-by-step explanation:
(√2) can be interpreted as 2^(1/2) and the second term can be interpreted as 2^(1/3). The law of exponents tells us that we must add the exponents when multiplying two numbers with the same base. 1/2 + 1/3 is 3/6+2/6 = 5/6 so the final answer would be 2^(5/6)
At 8:30 A.M., Brianna started filling a 3,500-gallon pond. At 11:30., she had filled 2,100. At what time will the pond be full?
Answer:
Below
Step-by-step explanation:
830 to 1130 is 3 hours
Hours per gallon = 3hrs / 2100 gal
3 hr / 2100 gal * 3500 gal = 5hrs to fill from 830 = 13:30 ( 1:30 PM)
the diameter of earth is about 13,000 kilometer the diameter of the moon is about 3000 kilometer about how many times greater is the diameter of earth than the diameter of the moon?
13000 divided by 3000 = 4.33 repeating meaning the 33 keps going like 4.33333333333333333333333333333333333333333333333333