A phone company surveys a sample of current customers to determine if they use their phones most often to text or use the Internet. They sort the data by payment plans, as shown below. Plan A: 27 text, 21 Internet Plan B: 13 text, 10 Internet Answer the questions to determine a conditional probability. How many customers are on payment plan B? customers How many of the customers on plan B text? customers What is the probability that a randomly selected customer who is on plan B uses the phone most often to text? Give the answer in fraction form.
Answer:
a=23 b=12 c=12/23
Step-by-step explanation:
I just did it on EDG, got it wrong so i could give you the answer XD
The likelihood that a randomly chosen consumer on plan B would text on the phone the most frequently is 13/23.
What is probability?Probability is a number that expresses the likelihood or chance that a specific event will take place. Both proportions ranging from 0 to 1 and percentages ranging from 0% to 100% can be used to describe probabilities.
According to the given data,
Number of customers on plan B = 13 + 10 = 23
Number of customers on plan B who text = 13
P(text|plan B) = P(text and plan B) / P(plan B),
where P(text and plan B) is the probability of a customer being on plan B and texting, and P(plan B) is the probability of a customer being on plan B, can be used to calculate the likelihood that a randomly chosen customer on plan B will text the most.
So,
P(text|plan B) = 13/23
Therefore, the probability that a randomly selected customer who is on plan B uses the phone most often to text is 13/23.
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Natalie read 12 books in 8 months. What was her rate of reading in months per books?
12 books divided by 8 months = 1.5 books per month
hope it helps:))
Solve for y! I need help ASAP. PLEASE
Answer:
y = 2
Step-by-step explanation:
The way you solve this is you transform it until one side of the equation is just "y"
3y + 2 = 8 ; subtract 2 from both sides
3y = 6 ; divide both sides by 3
y = 2
I really need help on this, PLEASE HELP 20 POINTS!!
the question is in the picture please help efgahedn
Answer:
A) 3/56 + 27/56 = 30/56 ÷ 2/2 = 15/28
Step-by-step explanation:
So, there's 3/56 cities that have a lake and 27/56 cities that have a river.
Since the question is asking how much have a lake or river, we add them up.
3/56 + 27/56 = 30/56
(Divide by 2 since that's the common factor)
30/56 ÷ 2/2 = 15/28
Find the area of a circle with a circumference of 31.4 units.
Answer:
area = 78.46
Step-by-step explanation:
31.4 = 2pi * r
divide 31.4 by 2 and get 15.7
15.7 = pi * r
divide 15.7 by pi and get
4.997 = r
(4.997^2) * pi = 78.46
Answer:
I agree with you. that is what I got too
Hey! Can someone help me?
Answer:
Option 3
Step-by-step explanation:
The sentence provides the reasoning for a possible explanation.
Now, let's look at all the possible answers:
1. This doesn't show us that scientists cannot agree. A sentence like that could be that many scientists have analyzed the region, but they did not find anything.
2. This does not tell us that this region is interesting. A sentence like that would be saying that the cause of the lightning is unknown.
3. This is correct- it provides evidence for a main theory.
4. This does not explain why people name the lightning a certain way. A sentence like that could be a local fable.
Evaluate each expression for n = 5. 6n + n2
Answer:
40
Step-by-step explanation:
1. Plug in the given value for n
6(5) + (5)2
2. Solve using PEMDAS
(I'm not sure if the 2 after the n is supposed to be squared, but if it was n^2 then the correct answer would be 55, I think)
30 + 10 = 40
Therefore, the answer is 40
Hope this helps :)
Please help (no links or I will report you)
Answer:
0.60 or 0.6
Step-by-step explanation:
Divide three by five :)
3÷5= 0.6
Use a graphical method to find estimates for the solutions of the simultaneous equations x^2 + y^2=2.25 y-x=1
NEED ASAP WILL MARK AS BRAINLIEST
Answer:
A) which graph represents the equation x^2 + y^2 = 2.25?
First, the general equation for a circle can be written as:
(x - a)^2 + (y - b)^2 = R^2
This is a circle of radius R centered in the point (a, b).
Then we can rewrite our equation as:
(x - 0)^2 + (y - 0)^2 = (√2.25)^2 = (1.5)^2
Then we have a circle centered at the point (0, 0) and with a radius equal to 1.5
Then we can see that the correct one is graph C.
b) Now we want to solve the system:
x^2 + y^2 = 2.25
y - x = 1
graphically.
To do it we need to graph both equations and see in which points do they intersect.
We already have the first equation graphed, so we only need to also graph the linear equation:
y - x = 1
y = 1 + x
An example of this can be seen in the graph below:
There we can estimate one of the intersections as (0.4, 1.4) and the other as (-1.4, -0.4)
Abby wants to ride her bicycle more than 70 miles this week. On Monday, Abby rode her bicycle for 25 miles. Abby plants to ride the same number of miles in the next six days. Write an inequality that can be used to determine the number of miles, m, that Abby will ride her bicycle each day to achieve her goal.
Answer:
25d > 70
Step-by-step explanation:
Abby wants to ride her bicycle more than 70 miles this week.
More than = >
On Monday, Abby rode her bicycle for 25 miles. Abby plants to ride the same number of miles in the next six days.
Let the number of days of week she would ride her bike = d
On Monday = 25 miles
And the rest of the week = The same = 25 miles
The inequality is written as:
25d > 70
I do not understand this question
Answer:
B
Step-by-step explanation:
24 miles / 4 hours = 6 miles per hour
.
and answer B is showing a graph with slope of 6 miles per hour
Can some one explain how to do it please. I am so confused.
Hi there!
Your job, at least on this triangle, is pretty simple. This is a 45-45-90 triangle.
Because this is a 45-45-90 triangle, both legs are 5. That leaves us to find the hypotenuse, x.
And a 45-45-90 triangle's hypotenuse is easy. You just take the measure of one of the legs, or 5 in this case, and stick a [tex]\sqrt{2\\}[/tex] right next to it. So your answer will be:
[tex]5\sqrt{2}[/tex]
I hope this helps! :)
Can someone help me solve this, I don't understand it.
Step-by-step explanation:
this, I don't understand it.Explain your answer please ;w; : Change -2Y - 2X = -6 to the slope intercept form of the equation of a line.
Answer:
y = -x + 2
Step-by-step explanation:
The desired equation must have the form y = mx + b.
Start with -2Y - 2X = -6 and solve for y: y + x = 2
Now solve this result for y:
y = -x + 2
Solve both please I cannot find the answer
Step-by-step explanation:
the rate of change in A
10-5/4.5-3 .5
=5.
but where is the function B??
just pick two y values and it's corresponding x values
the rate of change is equal to the gradient .
change in y values divided by change in the x values.
In parallelogram HJKL if m<KLH=170 find m<LHJ
Answer:
bro what is even happening here
so confused but okay
Answer:
∠ LHJ = 10°
Step-by-step explanation:
Consecutive angles in a parallelogram sum to 180°
Then
∠ KLH + ∠ LHJ = 180°
170° + ∠ LHJ = 180° ( subtract 170° from both sides )
∠ LHJ = 10°
Triangle DEF has side lengths e=9 and f=13. If the measure of angle D is 41°, what is the length of side d?
• 13.5
• 5.1
• 6.9
• 8.6
Answer:
8.6
Step-by-step explanation:
Use the law of cosines
[tex]d^{2} = e^{2} + f^{2} -2ef cos D[/tex]
[tex]d^{2} = 9^{2} + 13^{2} - 2(9)(13) cos 41\\ = 81 + 169 - 176.602\\ = 73.3979\\d = \sqrt{73.3979} = 8.6[/tex]
Solve the following polynomial equation. Identify all solutions.
x^(3)+54x^(2)+53x=0
Brainlest + Thanks :)
help asap
The graph of line p represents = x-1. If the slope of line p is multiplied by (-10)
to create liner, which statement about the graphs of the two lines is true?
A
Line r intersects line p.
B Line ris parallel to line 2.
CLine ris 10 units above line p.
D
Line ris 10 units below line p.
Answer:
A. Line r intersects line p
Step-by-step explanation:
to find the second graph multiply the slope of line p by -10
slope is 1/5 or 0.2
So,
0.2 * -10 = -2
slope of second line is -2
Graph shown
Altered line shown in blue
Line p shown in green
As you can see, they intersect and meet no other answers
What is the value of variable for -4(y - 2) = 12
Explain please
Answer:
-4(y - 2) = 12
Standard form:
−4y − 4 = 0
Factorization:
−4(y + 1) = 0
Solutions:
y = −4
4
= −1
Step-by-step explanation:
convert 5 cubic miles to cubic feet
Answer:
7.36e+11
Step-by-step explanation:
The Martins' swimming pool is a square
and is in the center of a square plot that
is 34 meters on a side. They have 1,092 square meters of lawn.
How long is one side of the pool ?
Answer: 8
Step-by-step explanation:
x^2 = (34•34)-1,092
x^2= 1,156-1,092
x^2= 64
x=8
I need help with this
Answer:
never, never, sometime, sometimes, and always.
Step-by-step explanation:
I'm smart lol
Find each of the following angles and arcs formed in circle R. (PLEASE HELP!! WILL MARK BRAINLIEST!)
Answer:
m<RTV = 90°
m<TRU = 129°
m<TVU = 51°
m<TSU = 64.5°
mST = 101°
mSTU = 230°
Step-by-step explanation:
i just did it:)
The measure of each angles are; m<RTV = 90°, m<TRU = 129°, m<TVU = 51°, m<TSU = 64.5°, mST = 101° and mSTU = 230°.
What is a circle?A circle is a shape consisting of all points in a plane that are given the same distance from a given point called the center.
Since Angle RTV is formed by the segments RT - that is the radius of the circle, and TV, which is tangent to the circle at point T. The radius always forms a right angle with the tangent lines.
Hence, the measure of angle RTV is; 90°.
The measure of a central angle and the measure of the intercepted arc would be equal. Hence, the measure of angle TRU is 129°.
Since RTVU is a quadrilateral. We know that 3 of the interior angles' measures are 90°, 90°, and 129°. The measures of the interior angles of any quadrilateral add up to 360°, the measure of angle TVU is 51°.
Thus the measure of angle TSU is 64.5°.
Also the sum of all consecutive arcs in a circle is 360°,
We know that mTU = 129° and mUS = 130° then the measure of arc ST is 101°.
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Plzzz help!!! ill givee brainliest!!!!
A student attempted to generate an equivalent expression using the distributive property, as shown below: 2(x + 5) = 2x + 5 What was the mistake made? (5 points) a 2 was not multiplied by x b 2 was not multiplied by 5 c Incorrect sign was used for the first term d Incorrect sign was used for the second term
Answer:
b) 2 was not multiplied by 5
Step-by-step explanation:
Correct answer: 2x + 10
What are possible coordinates of point F if ΔDEF is congruent to ΔABC? (–1,4) (4,–1) (0,–1) (–1,0)
Answer:
(-1, 4)
Step-by-step explanation:
Hope this helps
Answer:
a
Step-by-step explanation:
6 out of 18 in a fraction
Answer:1/3
Step-by-step explanation:1/3 is the simplified fraction for 6/18 by using the GCD or HCF method. Thus, 1/3 is the simplified fraction for 6/18 by using the prime factorization method.
Answer:
6/18=1/3
Step-by-step explanation:
here so the 6 is common with 18 and so that is 3
Rewrite the quadratic equation in standard form y=5(x-2)^2+7
Answer:
To write a polynomial in standard form, simplify and then arrange the terms in descending order.
y=ax²+bx+c Simplify each term.
y=5x²−20x+20+7
Add 20 and 7.
y=5x²−20x+27
by-step explanation:
I need help with this, please
Answer:
B
Step-by-step explanation:
The opposite angles in a cyclic quadrilateral are supplementary, sum to 180°
∠ I + ∠ K = 180° , that is
91° + ∠ K = 180° ( subtract 91° from both sides )
∠ K = 89° → B
I am confused on this, I would LOVEE some help please!
Answer:
2nd and 5th one are correct. Rest of them r wrong
Step-by-step explanation: