Answer:
be brief can't see any picture
Answer:
10 5/16
Step-by-step explanation:
HELPP!!!! YOU'LL GET 80 POINTS AND BE BRAINLIEST
The city of El Paso is three hundred and twenty miles from the city of Tucson, Arizona, and seven hundred and twenty miles from San Diego, California. Tomorrow I'm going to travel from Tucson to San Diego. I plan to leave Tucson at six in the morning. If I drive 75 miles per hour the first four hours and 50 miles per hour the rest of the way, what time (Tucson time) will I get to San Diego?
We have that El Paso is 320 miles from Tucson and 720 miles from San Diego.
You're travelling from Tucson to San Diego.
First we have to find the distance from Tucson to San Diego. We can do this by finding the difference between the distance of Tucson from San Diego and El Paso from San Diego.
That is:
720−320
400 miles
You leave by 6:00 am.
You drive for 75 miles per hour in 4 hours for the first part of the journey.
You then drive for 50 miles per hour for the rest of the journey.
The first step is to find the distance that the rest of the journey took. We can do that by first finding the distance covered in the first part of the journey and subtracting that from the total distance (400 miles).
To find the distance for the first part of the journey, we apply the formula for speed (rate of change of distance with time):
s = d/t
⇒d = s⋅t
where d= distance; t = time
Therefore:
d=75⋅4
d=300 miles
The first part of the journey covered 300 miles. This means that the rest of the journey covered:
400 - 300 = 100 miles
Now, to find the time the rest of the journey took, we have to apply the same formula for speed:
s=d/t
t=d/s
Therefore:
t=100/50
t=2 hrs
To find the total time it took to complete the journey, we have to add the times for the first part and the rest of the journey.
That is:
T=4+2
T=6 hours
Since you left home by 6:00 am, the time you will get to San Diego is 6 hours after that, i.e. 12 noon (Tucson time)
That is the answer.
-13 = n/9 - 14
it's due in a couple of minutes, pls help me :(
Answer:
[tex]n = 9[/tex]
Step-by-step explanation:
1) Add 14 to both sides.
[tex] - 13 + 14 = \frac{n}{9} [/tex]
2) Simplify-13 + 14 to 1
[tex]1 = \frac{n}{9} [/tex]
3) Multiply both sides by 9.
[tex]1 \times 9 = n[/tex]
4) Simplify 1 × 9 to 9.
[tex]9 = n[/tex]
5) Switch sides.
[tex]n = 9[/tex]
Therefor, the answer is n = 9.
I need help with this problem
A vinyl record has a radius of 6 inches. What is the area of the record? Provide your answer to the hundredths place.
Answer:
36pi
Step-by-step explanation:
The area of a circle is pi*radius^2, so 36pi. I am not sure if you want 3.14 as pi, or 3.1 as pi, so just substitute it in for the value your teacher said to use.
Answer:
it is 53 or 56
Step-by-step explanation:
i don't know how to explain this but theres you answer
Combine as indicated by the signs.
2x/y^2-x^2-x/y-x=
Answer:
x(2-xy^2-y-y^2)/y^2
Step-by-step explanation:
It mabye the above answer so x
y ^2 - 4 x y ^3
The expression will be simplified as [tex]\dfrac{x^2+2x-xy}{y^2-x^2}[/tex].
What is an expression?Expression in maths is defined as the collection of the numbers variables and functions by using signs like addition, subtraction, multiplication, and division.
The expression will be simplified as follows:-
[tex]\dfrac{2x}{y^2-x^2}-\dfrac{x}{y-x} = \dfrac{2x-x(y-x)}{y^2-x^2}\\\\[/tex]
[tex]=\dfrac{2x-xy+x^2}{y^2-x^2}[/tex]
[tex]= \dfrac{x^2+2x-xy}{y^2-x^2}[/tex]
Therefore the expression will be simplified as [tex]\dfrac{x^2+2x-xy}{y^2-x^2}[/tex].
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Which expression represents the phrase?
*The sum of 7 and the quotient of 6 and q."
les
A)
69 + 7
B)
7
)
Dla
-- 7
+7
D)
+
??
Answer:
POINTFARMER.EXE=EZ
Step-by-step explanation:
Please help quick explain
Answer:
Step-by-step explanation:
3/5, 12/20
What is the value of x
Step-by-step explanation:
Z and 95
they are equal , Z=95
Yesterday, Anna drank 2/6 of a gallon of milk. Then her sister drank some milk and now there is only 3/12 of the gallon left. How much of the gallon did Anna's sister drink?
Answer:
5/12
Step-by-step explanation:
Change the denominator of 6 to 12.
2 x 2 = 4
6 x 2 = 12
Find out how much gallon of milk was drank.
12/12 - 3/12 = 9/12
Find out how much the milk was drank after deducting how much Anna drank.
9/12 - 4/12 = 5/12
what does -(22) equal to?
Answer:
-(22) = -22
When there is no number given but a sign given in front of the brackets it means there is 1.
-(22) is the same as -1(22) = -22
Hope this helps, thank you :) !!
Answer:
90002
Step-by-step explanation:
because 72+ 826+288 is 90002
Exit Ticket
A map of Froggy Mountain Park is mapped on a coordinate plane
using units of one mile. There are two camp ground at the park.
Camp 1 is located at (-41, 3)
Camp 2 is located at (75,3)
How far is Camp 1 from Camp 2?
Show your work
Answer:
116 miles
Step-by-step explanation:
Given
[tex](x_1,y_1) = (-41,3)[/tex] --- Camp 1
[tex](x_2,y_2) = (75,3)[/tex] --- Camp 2
Required
The distance between both camps
This is calculated using:
[tex]d^2 = \sqrt{(x_1-x_2)^2 + (y_1-y_2)^2}[/tex]
[tex]d^2 = \sqrt{(-41-75)^2 + (3-3)^2}[/tex]
[tex]d^2 = \sqrt{(-116)^2 + (0)^2}[/tex]
[tex]d^2 = \sqrt{116^2}[/tex]
[tex]d = 116[/tex]
The distance is 116 miles
This box is being packed without gaps or overlaps with unit cubes. Enter the volume of this box in cubic units.
Answer: 56
Step-by-step explanation:
Volume = length x width x height
You can find the length width and height by counting the cubes.
7x4x2= 56 cubic units
Answer:
56
Step-by-step explanation:
What number does not change the value when added or subtracted?
A) 2
B) 0
C) 10
D) 1
I need answers fast!
Is it 2 or 3?
Thank you!
Answer:
3
Step-by-step explanation:
-3x + 7 = -x - 1
What is the variable
Answer:
x = 4
Step-by-step explanation:
also nice pfp d====(￣▽￣*)b
You know that in a specific population of rainbow trout 15% of the individuals carry intestinal parasites. Assume you obtain a random sample of 9 individuals from this population:a. Calculate the probability that __ (last digit of your ID number) carry intestinal parasites.b. Calculate the probability that at least two individuals carry intestinal parasites.
Answer:
a) 0.2316 = 23.16% probability that 0 carry intestinal parasites.
b) 0.4005 = 40.05% probability that at least two individuals carry intestinal parasites.
Step-by-step explanation:
For each trout, there are only two possible outcomes. Either they carry intestinal parasites, or they do not. Trouts are independent. This means that we use the binomial probability distribution to solve this question.
Binomial probability distribution
The binomial probability is the probability of exactly x successes on n repeated trials, and X can only have two outcomes.
[tex]P(X = x) = C_{n,x}.p^{x}.(1-p)^{n-x}[/tex]
In which [tex]C_{n,x}[/tex] is the number of different combinations of x objects from a set of n elements, given by the following formula.
[tex]C_{n,x} = \frac{n!}{x!(n-x)!}[/tex]
And p is the probability of X happening.
You know that in a specific population of rainbow trout 15% of the individuals carry intestinal parasites.
This means that [tex]p = 0.15[/tex]
Assume you obtain a random sample of 9 individuals from this population:
This means that [tex]n = 9[/tex]
a. Calculate the probability that __ (last digit of your ID number) carry intestinal parasites.
Last digit is 0, so:
[tex]P(X = x) = C_{n,x}.p^{x}.(1-p)^{n-x}[/tex]
[tex]P(X = 0) = C_{9,0}.(0.15)^{0}.(0.85)^{9} = 0.2316[/tex]
0.2316 = 23.16% probability that 0 carry intestinal parasites.
b. Calculate the probability that at least two individuals carry intestinal parasites.
This is
[tex]P(X \geq 2) = 1 - P(X < 2)[/tex]
In which
[tex]P(X < 2) = P(X = 0) + P(X = 1)[/tex]
So
[tex]P(X = x) = C_{n,x}.p^{x}.(1-p)^{n-x}[/tex]
[tex]P(X = 0) = C_{9,0}.(0.15)^{0}.(0.85)^{9} = 0.2316[/tex]
[tex]P(X = 1) = C_{9,1}.(0.15)^{1}.(0.85)^{8} = 0.3679[/tex]
[tex]P(X < 2) = P(X = 0) + P(X = 1) = 0.2316 + 0.3679 = 0.5995[/tex]
[tex]P(X \geq 2) = 1 - P(X < 2) = 1 - 0.5995 = 0.4005[/tex]
0.4005 = 40.05% probability that at least two individuals carry intestinal parasites.
We will see that the probabilities are:
a) 3.8*10^-8b) 0.26How to find the probability.
We know that 15% of the population have the parasites, then if we take a trout at random we have:
a probability of 0.15 that it has parasites.a probability of 0.85 that it does not have parasites.a) The probability that 9 of them carry intestinal parasites (so all of them have).
This is just the product of the individual probabilities, so we have 9 times a probability of 0.15, this gives:
P(9) = (0.15)^9 = 3.8*10^-8
b) Probability that 2 out of 9 have parasites.
Then we have 0.15 two times, and 0.85 seven times.
But we also need to take in account the permutations, the different groups of 2 trouts that we can make out of 9 trouts is given by:
[tex]C(9, 2) = \frac{9!}{(9-2)!*2!} = \frac{9*8}{2} = 36[/tex]
This means that there are 36 different pairs of 2 trouts that can be the ones with parasites.
Then the probability that 2 trouts have parasites is:
P(2) = 36*(0.15)^2*(0.85)^7 = 0.26
And just to be complete, the probabilty that x trouts have parasites is:
P(x) = C(9, x)*(0.15)^x*(0.85)^(9 - x)
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solve for the indicqted side or angle of AB
Please...I really need help
Answer: it’s the first one
Step-by-step explanation:
9514 1404 393
Answer:
(d) g(x) = -f(x -3)
Step-by-step explanation:
Reflection over the x-axis multiplies function values by -1. Translation to the right 3 units replaces x with x-3. The transformed function is ...
g(x) = -f(x -3)
How do you solve 10≤2x≤x+9? The answer says it's 5≤x≤9 but i have no idea how it got there
Answer:
Step-by-step explanation:
so why this kind of problem is so confusing is b/c it's 2 problems in one
if you were to expand this it look like this
10 ≤2x
and
2x ≤x+9
This is really saying.. that x has a range.. and that the 1st equations is the lower stop point, and that the 2nd equations is the upper stop point
once it's taken apart.. I bet you can solve it pretty quickly.
5≤x
and
x ≤9
then just put it back together in that confusing .. yet handy way to write it,
5≤x≤9
(b)
Part B
What is the exact amount of fruit salad in cups?
cups
Enter your answer as a fraction or a mixed number.
Module 2 - Lesson 23
9152/29 ANSWER IT FAST PLEASE
Answer:
will
Step-by-step explanation:
have
Suppose that the mean of your 50 rolls is x = 3.25. Are you suspicious about the fairness of the die? Justify your answer.
Answer:
3.25x50=21
Step-by-step explanation:
Sample size falls within the range from the mean Standard deviation (3.5±1.75).
What is Mean?The sum of all values divided by the total number of values determines the mean (also known as the arithmetic mean, which differs from the geometric mean) of a dataset. The term "average" is frequently used to describe this measure of central tendency.
Given, Suppose that the mean of your 50 rolls is x = 3.25.
Uniform distribution. linear Shape according to the Central lamed Theorem the distribution will be q Normal distribution of of xi; with Mean Rx = 3.5 if the sample Size is large enough and a variance of (1.71)²/N. Where N is the sample size 3.25 falls within the interval of the 95% confidence Sample means and it also falls within the range from the mean Standard deviation (3.5±1.75). This result is nothing suspicious of out of the ordinaryTherefore, Sample size falls within the range from the mean Standard deviation (3.5±1.75).
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Complete question:
how much is 1 hundred of R800
Question Help Estimation Acar takes 70.3 seconds to travel 1 mile. How long does it take the car to travel 6.6 miles? First round to the nearest whole number to find the estimated answer. Then find the exact answer. Estimate the answer. It takes the car about seconds to travel 6.6 miles.
Answer:
Estimated time = 490 seconds
Exact time = 463.98 seconds
Step-by-step explanation:
The car traveled 1 mile in 70.3 seconds.
We want to find how long it took to travel 6.6 miles.
We are told to estimate the given values to the nearest whole numbers before solving.
Thus;
1 mile was travelled in 70 seconds
Then; 6.6 miles ≈ 7 miles
Thus, 7 miles is travelled in; 70 × 7/1 = 490 seconds
Estimated time = 490 seconds
Now, exact time will be;
Exact time = 70.3 × 6.6/1
Exact time = 463.98 seconds
Pls help ha ing trouble on this one
Step-by-step explanation:
The answers are A, D and E
ME NEED HELP REALLY BAD IM STRUGGLING
Answer:
Wednesday
Step-by-step explanation:
it is the lowest number
Plot the points where the x coordinate is twice the value of the y coordinate.
GIVING BRAINLIEST
Answer:
Heres brainliest for who answered first
Step-by-step explanation:
The scale factor of the scale drawing of a mirror to the actual mirror is represented by the ratio 1:8. If the dimensions of the scale drawing are 3 inches wide by 8.5 inches long, what is the actual area of the mirror?
Answer:
the answer is b
Step-by-step explanation:
Answer:
B 554
Step-by-step explanation:
What does point (3,30) on the graph mean?
Answer:
It's the last answer
Step-by-step explanation:
Because 3 represents the number of lawns mowed.
30 represents the amount paid.
Brainliest?
Answer:
Means the last answer
Step-by-step explanation:
points are (x,y)
x axis is left and right
Y is up and down
How are .4 and .04 different
Answer: .4 is in the tenths column and .04 is in the hundredths column and
.4 is 40% and .04 is 4% and .4 is 2/5 and .04 is 1/25 so .4 is larger then .04 and .4 is 2:5 and .04 is 1:25
Step-by-step explanation: plz mark me brainliest.
How to mark brainliest
___________________
Click on the crown on the bottom right of an answer if there is no crown reload the page
Answer:
Well .4 is bigger then .04. 0.4 is equal to 2/5 and 0.04 is equal to 1/25
Step-by-step explanation: