Answer:
The probability of the next two customers both select key lime pie is 1/15
Step-by-step explanation:
No. of slices of cakes = 3
No. of key lime pies = 3
No. of ice cream sundaes = 4
Total deserts = 3+3+4=10
We are supposed to find The probability of the next two customers both select key lime pie
Probability of selecting key lime pie by first customer =[tex]\frac{3}{10}[/tex]
So,Total deserts =10-1=9
No. of key lime pies = 3-1=2
So,Probability of selecting key lime pie by second customer = [tex]\frac{2}{9}[/tex]
So,the probability of the next two customers both select key lime pie=[tex]\frac{3}{10} \times \frac{2}{9} =\frac{1}{15}[/tex]
Hence the probability of the next two customers both select key lime pie is 1/15
Someone please help me with my math
Answer:
1. re-arrange numbers in order.
37, 38, 43, 45, 57, 57, 58
THE MEDIAN IS 45
2. To find Mean, add up all the numbers then divide by how many numbers there are.
when added together, it is 335
335 / 7
47.857
THE MEAN IS 47.857
When solving a quadratic, how can x equal 2 different things? What is x?
Answer:
X = unknown
The highest degree of x is 2 .
Step-by-step explanation:
First of all x is the unknown variable to be determined by solving quadratically
Quadratic equation was chooses because of the degree of x.
The highest degree of x is 2 .
That's the the reason why the value of x will always be double.
If solving linear equation that has degree one, the value of x is one
If solving polynomial, the value of x will be 3 above.
Solve the inequality (13+2x) -4>39 Express the solution in set notation
Answer:
x > 15
Step-by-step explanation:
simplify both sides of the inequality
2x + 9 > 39
subtract 9 from both sides
2x + 9 - 9 > 39 -9
2x > 30
divide both sides by 2
2x/2 > 30/2
x > 15
Which point has coordinates (5, 3)?
A. Y
B. U
C. W
D. Z
Need answer ASAP please!! Will give brainliest!
Solve each equation by taking square roots.
1. 6r^2=-108
2. 9p^2-8=-58
Answer:
15) A) {3i√2, -3i√2}
16) C) {5i√2/3, -5i√2/3}
Step-by-step explanation:
15)
[tex]6r^2=-108\\\\r^2=\dfrac{-108}{6}=-18\\\\r=\pm\sqrt{-18}\\\\\boxed{r=\pm3i\sqrt{2}}[/tex]
__
16)
[tex]9p^2-8=-58\\\\9p^2=-50\qquad\text{add 8}\\\\p^2=-\dfrac{50}{9}\qquad\text{divide by 9}\\\\p=\pm\sqrt{-\dfrac{50}{9}}\qquad\text{take the square root}\\\\\boxed{p=\pm\dfrac{5\sqrt{2}}{3}}[/tex]
What numbers are missing from this pattern 36,2,13,21,?,?,?,?,36,2,13,21
Answer:
36,2,13,21
Step-by-step explanation:
At its simplest, it is a repeating sequence of 4 numbers:
36,2,13,21
So, those are the four missing numbers.
A rectangular prism has a length of 17cm, a height of 20cm, and a width of 18cm.
What is its volume, in cubic cm?
Answer:
6120 cm³
Step-by-step explanation:
You want the volume of a rectangular prism 17 cm by 20 cm by 18 cm.
VolumeThe volume of a rectangular prism is given by the formula ...
V = LWH
Using the given values for length, width, and height, we find the volume to be ...
V = (17 cm)(18 cm)(20 cm) = 6120 cm³
The volume of the prism is 6120 cubic centimeters.
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What is the value of x in the equation
Answer:
It is b.
Step-by-step explanation:
0.7 x -3 = -2.1 and -2.1 - 1.4= -3.5
please branliest!!!!
Please Help ASAP Correct answer will get brainliest!!!!!
Please I am so desperate.
Answer:
27 m² (blue fabric)
9 m² (brown fabric)
Step-by-step explanation:
Area of a triangle = 1/2*base *height
Area of 4 triangles = 4* 1/2*3*4.5 = 27 m² (blue fabric)
Area of a square = side² = 3² = 9 m² (brown fabric)
How do you find the domain of functions, I’d just like someone to explain it, that’s where I get lost, 30 points btw
Explanation:
The domain is the horizontal extent of the graph of the function. It is the set of all values of the independent variable for which the function is defined.
In a table or list of (x, y) or (x, f(x)) values the domain is the list of x-values.
On a graph, the domain is the horizontal extent of the graph, excluding any "holes" or vertical asymptotes. (The function is "undefined" at those places.)
__
For a polynomial, the domain is generally "all real numbers."
For rational functions, the domain always excludes any x-values that make any denominator be zero.
For functions such as logarithms or roots, the domain is the set of values for which the function is defined. Even roots (square root, 4th root, ...) are only defined for non-negative numbers. Logarithms are only defined for positive numbers.
__
In some problems, a model is often used that is defined for all values of the independent variable. For example, a height function may be modeled using a quadratic: h(t) = -4.9t^2 +30t +6. This is defined for all values of t, but the "practical domain" is the set of values of t ≥ 0 and before h(t) = 0. That is, we don't care about negative time or negative height.
Anna's toy car traveled 0.7 meters. Hector's toy car traveled 0.72 meters. Whose car traveled farther? Select from the drop-down list to complete the sentence. Explain your answer
Answer:
When you do adding and subtracting with decimals just line up the decimal points and do the math regularly
0.72
-0.7
_____
0.02 meters further so Hector's car traveled farther
0.6
+0.25
_____
0.85 swam in total
Hope this helps
Step-by-step explanation:
Mason is weighing his dog on a scale that has increments of 0.1 kilograms (kg). He measures his dog's weight as 35.7 kg. How should Mason express his dog's weight, including the uncertainty?
a. 35.7+0.1 kg
b. 35.7−0.1 kg
c. 35.7±0.05 kg
d. 35.7±0.5 kg
Answer:
35.7±0.05 kg
Step-by-step explanation:
Including the uncertainty, the mass of dog is -
35.7 + 0.1 kg.
We have Mason's Dog.
We have to determine how should Mason express his dog's weight, including the uncertainty.
What is Uncertainty in Physics?The uncertainty is the experimenter's best estimate of how far an experimental quantity might be from the true value.
According to the question -
The scale has increments of 0.1 kilograms (kg).
Mason's actual weight - 35.7 kg
Therefore, including the uncertainty, the mass of dog is -
35.7 + 0.1 kg
Hence, including the uncertainty, the mass of dog is -
35.7 + 0.1 kg
To solve more questions on Uncertainty, visit the link below-
https://brainly.com/question/24121107
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PLEASEE HELPP MEEE WITH NUMBERSSS 6 AND 7
ILL MARKK U BRAINLIEST FOR UR EFFORT FOR THE CORRECT ANSWER!!!!!!!!!!
Answer:
6.)66 degrees
7.)20 degrees
Step-by-step explanation:
Angle 114 and angle 3 are supplementary, meaning that they can be added to get 180 degrees
If you subtract 114 from 180 you get 66 degrees
Angle D and Angle C are both complimentary, meaning that if you add them together you get 90 degrees
If you subtract 70 from 90 you get 20
Jim pays $75 per month for a cell phone plan plus $0.30 per minute beyond the first 1000 minutes. His bill was $105.60 last month. How many minutes did he use?
Answer:
1102 minutes
Step-by-step explanation:
Easy way to do it: 1000 + 102 = 1102
Step by step
1: 105.60=75+0.30(x-1000)
2: 105.60 =75+0.30x−300
3: 105.60=0.30x−225
4: 1056=3x−2250
5: 1056+2250=3x
6: 3306=3x
7: x=1102
Hope this helps.
1. Nicole purchased new lawn furniture for $279.90. She used a coupon to
get a 15% discount. What was the final purchase price, excluding sales tax
of the lawn furniture?
Answer:
$237.92
Step-by-step explanation:
0.85 x 279.90 = 237.915 = ~237.92
Find the volume of the pentagonal prism below. B = 52 m²
7.5 m
B = 52 m2
195 m
59.5 m
130 m
23
B90 m
Answer:
390 m^2
Step-by-step explanation:
52(7.5)=390
Help please. Will put brainliest
Answer:
17,7501737Step-by-step explanation:
A suitable table or calculator is needed.
One standard deviation from the mean includes 68.27% of the total, so the number of bottles in the range 20 ± 0.16 ounces will be ...
0.6827·26,000 = 17,750 . . . . . within 20 ± 0.16
__
The number below 1.5 standard deviations below the mean is about 6.68%, so for the given sample size is expected to be ...
0.66799·26,000 = 1737 . . . . . below 19.76
_____
Comment on the first number
The "empirical rule" tells you that 68% of the population is within 1 standard deviation (0.16 ounces) of the mean. When the number involved is expected to be expressed to 5 significant digits, your probability value needs better accuracy than that. To 6 digits, the value is 0.682689, which gives the same "rounded to the nearest integer" value as the one shown above.
I need help ASAP please. Brainliest
Answer:
see below
Step-by-step explanation:
The two terms 9 and -10 can be combined to give -1.
The two terms 2x and -18x can be combined to give -16x.
Fully simplified, the expression would be ...
-16x +14y -1
__
Anything with different coefficients is not equivalent. Anything with only one pair of terms combined is "not fully simplified."
A cylinder has a base diameter of 14m and a height of 15m. What is its volume in
cubic m, to the nearest tenths place?
Answer:
2310m^3
Step-by-step explanation:
base area which is the circle = πr^2
But diameter, d = 14, r = 14/2 = 7
area = π × (7)^2 = 22/7 × 49 = 22 × 7 = 154
Volume = base area × height
= 154 × 15 = 2310
Answer:
2309.1
Step-by-step explanation:
Deltamath
What is the slope of the equation y=5/4x-7/4?
Answer:
The slope is 5/4
Step-by-step explanation:
In the equation y=mx+b, m is always the slope.
Answer: c
Step-by-step explanation:
5/4
Select the correct answer.
Identify the axis of symmetry of the function graphed below.
Answer:
D. x = -1.
Step-by-step explanation:
I have attached an explanation to your problem. Please see the attachment below.
Answer:
x= -1
Step-by-step explanation:
it is always the x value of where the vertex is!
I want brainliest plz
Find the surface area of the rectangular prism.
6 yd
3 yd
1 yd
Answer:
54 yd²
Step-by-step explanation:
The surface area of the prism is the sum of the areas of its faces. Opposite faces have the same area, so we can write the formula as ...
SA = 2(LW +WH +LH) = 2(LW +H(L +W))
Filling in the numbers, we have ...
SA = 2(6·3 +1(6 +3)) = 2(18 +9) = 54 . . . . square yards
The area is 54 square yards.
How would I graph y=9x+4
c) A human resource analyst wants to know if the applicants this year score, on average, higher on their placement exam than the 52.5 points the candidates averaged last year. She samples 50 recent tests and finds the average to be 54.1 points. She fails to reject the null hypothesis that the mean is 52.5 points. At the end of the year, they find that the candidates this year had a mean of 55.3 points. Choose the correct answer below. A. The analyst did not make an error. The actual value was 55.3 points, which is close to 52.5. B. The analyst made a Type I error. The actual value was 55.3 points, which is greater than 52.5. C. The analyst made a Type II error. The actual value was 55.3 points, which is greater than 52.5. D. The analyst made a Type II error. The actual value was 55.3 points, which is close to 52.5. E. The analyst made a Type I error. The actual value was 55.3 points, which is close to 52.5.
Answer:
Option C. The analyst made a Type II error. The actual value was 55.3 points, which is greater than 52.5
Step-by-step explanation:
Answer:
Option C. The analyst made a Type II error. The actual value was 55.3 points, which is greater than 52.5
Step-by-step explanation:
The null hypothesis was the applicants last year score, on average was 52.5 points.
Conclusion: She fails to reject the null hypothesis that the mean is 52.5 points.
At the end of the year, they find that the candidates this year had a mean of 55.3 points.
A type II error occurs when the researcher fails to reject the null hypothesis when it is false. Option C. The analyst made a Type II error. The actual value was 55.3 points, which is greater than 52.5
ASAP! GIVING BRAINLIEST! Please read the question THEN answer correctly! No guessing. Show your work or give an explaination.
Answer:
D
Step-by-step explanation:
Like I said last time, since the graph is moved up by 3 units, the answer is choice D. Hope this helps!
Which is the value of this expression when a = 5 and k = negative 2?
(StartFraction 3 squared a Superscript negative 2 Baseline Over 3 a Superscript negative 1 Baseline EndFraction) Superscript k
From what I see in the problem, the expression is
[tex](\frac{3^a^2}{3a^-1} )^k[/tex]
To solve, plug in a and k.
[tex](\frac{3^(5)^2}{3*5^-1} )^-2[/tex]
3*5^2=75
(3*5)^-1 = 1/15
[tex]75 / \frac{1}{15} = 5[/tex]
5^-2 = 1/25
A student researcher measured the cadmium (Cd2+) content in a standard reference material (SRM) using graphite furnace atomic absorption spectrometry (GFAAS). With 7 replicate measurements, the researcher determined a mean Cd2 concentration of 2.899 ppb with a standard deviation of 0.001 ppb. Calculate the 99% confidence interval for this sample. Enter your answer with three significant figures.
Answer:
The 99% confidence interval for this sample mean is between 2.895 ppb and 2.903 ppb.
Step-by-step explanation:
We have the standard deviation for the sample, so we use the t-distribution to solve this question.
The first step to solve this problem is finding how many degrees of freedom, we have. This is the sample size subtracted by 1. So
df = 7 - 1 = 6
99% confidence interval
Now, we have to find a value of T, which is found looking at the t table, with 6 degrees of freedom(y-axis) and a confidence level of [tex]1 - \frac{1 - 0.99}{2} = 0.995[/tex]. So we have T = 3.7074
The margin of error is:
M = T*s = 3.7074*0.001 = 0.004
In which s is the standard deviation of the sample.
The lower end of the interval is the sample mean subtracted by M. So it is 2.899 - 0.004 = 2.895 ppb.
The upper end of the interval is the sample mean added to M. So it is 2.899 + 0.004 = 2.903 ppb.
The 99% confidence interval for this sample mean is between 2.895 ppb and 2.903 ppb.
in which number is the value of 5 ten times the value of the 5 in 10.059
Answer:
it must be 0.5
Step-by-step explanation:
0.05 x 10 = 0.5
I want brainliest!!!
Answer:
12.57
Step-by-step explanation:
The 5 in the number 10.059 is placed at the hundredth place. i.e. the value of 5 in 10.059 is 0.05. Now, ten times the value of 5 = 10 × 0.05 = 0.5. Let us take 12.57. We see that 5 is placed at the tenths place and has value 10 times the value of 5 in 10.059. Hence, the number comes out to be 12.57.
The difference between a number m and the product of m and n.
Pls help fast!
Answer:
m-mn
Step-by-step explanation:
Answer:
m-mn
Step-by-step explanation:
The product would be multiplacation.
m*n=mn
And you are subtracting that from m.
So, the answer would be m-mn.
Hope this helped.
An equation of a circle is given as (x + 6)2 + (y − 7)2 = 81. Find the center and radius of the circle.
The equation of a circle is written as (x – h)^2 + (y – k)^2 = r^2
h and k are the center point and r is the radius.
In the given equation h = -6 and k = 7 and r would be the square root of 81, which is 9.
Center (-6,7)
Radius = 9
The required center is [tex](-6,7)[/tex] and the radius is 9 units.
Given equation is,
[tex](x + 6)^2 + (y-7)^2 = 81[/tex]....(1)
Equation of the circle: The general equation of the circle with the center (a,b) and the radius r is represented by,
[tex](x-a)^2+(y-b)^2=r^2[/tex]...(2)
We can write the given equation as,
[tex](x + 6)^2 + (y-7)^2 = (9)^2[/tex]
Comparing equations (1) and (2) we get,
The Centre of the given circle is [tex](-6,7)[/tex]
The radius of the given circle is 9 units.
Learn more about the equation of the circle:
https://brainly.com/question/519358