At 10AM the temperature
was -15°F and rising by 2
degrees each hour. What
would the temperature be
by 5PM?
Answer:-1 °F
Step-by-step explanation:
Answer:
-1°F
Step-by-step explanation:
10AM = -15
11AM = -13
12AM = -11
1PM = -9
2PM = -7
3PM = -5
4PM = -3
5PM = -1
or 10AM to 5PM is 7 hours and 2*7 = 14, so them -15 + 14= -1
x-8=17
plssssss help me
Answer:
25
Step-by-step explanation:
17+8
Coach Henderson had 16 gallons of paint. He used an equal amount of the paint each of 5 days. How many gallons of paint did he use each day?
A.
5
16
B.
1
6
5
C.
3
1
5
D.
3
1
16
Answer:
C
Step-by-step explanation:
I just did the test
Answer:
its c
Step-by-step explanation:
A farmer recently purchased his
neighbor's farm. Before the purchase, the farmer owned a total of 365
acres of land. After the purchase, he
owned a total of 521
acres of land. Determine the percent increase in the number of acres of land owned by the farmer.
The number of acres of land owned by the farmer increased by about nothing
%. round to one decimal place as needed
thank you
Answer:
la respuesta que buscas es bastante simple pero no lo sé
Step-by-step explanation:
Which of these is NOT a Pythagorean triple?
I need helpppppppp plssssssssss
Roll 2 six-sided number cubez how many possibilties contain only even numbers
Answer:
1/2 of the possibilities are even number
Step-by-step explanation:
Add all of the sides together, you get 12, count on even numbers until you get to 12. 2,4,6,8,10,12. that's six numbers which is half of 12. so half of the possibilities are even.
(10 POINTS) if you can answer ASAP
Answer:
A. -0.93
Step-by-step explanation:
It is a negative due to the scatter plot line decreasing as the precipitation increases, which cancels out C & D. Then, it is decreasing rapidly, which portrays it as closer to -1 than 0, meaning the answer is A.
Answer:
C.
Step-by-step explanation:
Scores of an IQ test have a bell-shaped distribution with a mean of and a standard deviation of . Use the empirical rule to determine the following. (a) What percentage of people has an IQ score between and ? (b) What percentage of people has an IQ score less than or greater than ? (c) What percentage of people has an IQ score greater than ?
Complete question is;
Scores of an IQ test have a bell-shaped distribution with a mean of 100 and a standard deviation of 13. Use the empirical rule to determine the following.
(a) What percentage of people has an IQ score between 87 and 113?
(b) What percentage of people has an IQ score less than 74 or greater than 126?
(c) What percentage of people has an IQ score greater than 139?
Answer:
A) 68% of the people had an IQ score between 87 and 113
B) 5% of the people had IQ scores less than 74 and greater than 126.
C) 0.15% had an IQ score greater than 139
Step-by-step explanation:
We are given;
Mean; x¯ = 100
Standard deviation; σ = 13
According to the empirical rule in statistics;
>> 68% of the data lies within one standard deviation of the mean
>> 95% of the data lies within two standard deviations of the mean
>> 99.7% of the data lies within three standard deviations
A) We want to find the percentage of people with an IQ score between 87 and 113.
Within one standard deviation, we have;
x¯ ± σ
>> (100 - 13), (100 + 13)
>> (87, 113) which is the range we are looking for.
Thus, 68% of the people had an IQ score between 87 and 113
B) we want to find percentage of people has an IQ score less than 74 or greater than 126.
Let's first find those who had between 74 and 126.
Let's use two standard deviations within the mean.
x¯ ± 2σ
>> (100 - (2×13)), (100 + (2×13))
>> (74, 126) which is the range we are looking for.
So percentage that have IQ scores between 74 and 126 is 95%
Thus;
Percentage of those who had less than 74 and greater than 126 is;
P = 1 - 95%
P = 5%
C) we want to find the percentage of people that had an IQ score greater than 139.
Let's use the z-score formula;
z = (x¯ - μ)/σ
z = (139 - 100)/13
z = 39/13
z = 3
This means it is 3 standard deviations above the mean.
Thus;
Since it's one side outside the mean, then;
Percentage of people with an IQ score greater than 139 = (1 - 99.7%)/2 = 0.3%/2 = 0.15%
Which ordered pair does NOT lie on the graph of the exponential function
f(x) = 3(1/4)^x
A. (12, 0)
B. (-2, 48)
C. (2, 3/16)
D. (0, 3)
I labeled them all on Desmos & they all seem to lie on it, which is why I need help.
The ordered pair does not lie on the graph of the exponential function
is (12, 0).
Option A is the answer.
What is a function?A function has an input and an output.
A function can be one-to-one or onto one.
It simply indicated the relationships between the input and the output.
Example:
f(x) = 2x + 1
f(1) = 2 + 1 = 3
f(2) = 2 x 2 + 1 = 4 + 1 = 5
The outputs of the functions are 3 and 5
The inputs of the function are 1 and 2.
We have,
To check whether an ordered pair lies on the graph of the exponential function f(x) = [tex]3(1/4)^x,[/tex]
We need to substitute the values of x and y into the function and see if the equation holds true.
A. (12, 0)
Substituting x = 12 and y = 0 into the function, we get:
[tex]f(12) = 3(1/4)^{12} = 0.000002861[/tex]
This does not equal y = 0, so (12, 0) does not lie on the graph of the function.
B. (-2, 48)
Substituting x = -2 and y = 48 into the function, we get:
[tex]f(-2) = 3(1/4)^{-2} = 48[/tex]
This does not equal y = 48, so (-2, 48) does lie on the graph of the function.
C. (2, 3/16)
Substituting x = 2 and y = 3/16 into the function, we get:
[tex]f(2) = 3(1/4)^2 = 3/16[/tex]
This equals y = 3/16, so (2, 3/16) does lie on the graph of the function.
D. (0, 3)
Substituting x = 0 and y = 3 into the function, we get:
[tex]f(0) = 3(1/4)^0 = 3[/tex]
This equals y = 3, so (0, 3) does lie on the graph of the function.
Therefore,
The ordered pair does not lie on the graph of the exponential function
is (12, 0).
Learn more about functions here:
https://brainly.com/question/28533782
#SPJ2
URGENT!!!
I REALLY NEED HELP WITH MY MATH
Answer:
1. The first one
and
2. the last one
Step-by-step explanation:
The first one because,
-9(2/3x)=-6, and thats the same in the question. As well as the -9x1
The last one because,
-9(2/3x+1)=
-6x - 9
because, negative 9 times positive 1 will be negative 9.
so it will be:
-6x - 9
I hope this helped :)
hi, i need help with this lol, i'm bad at math
Answer:
-44
Step-by-step explanation:
Since a is -2 and y equals 7 we can plug them both into the expression to get -2 - 6(7) which after simple math results in the answer of -44.
A retail ice cream salesman divides his working days into 'sunny', 'medium', and 'cold'. He estimates that the probability of it being sunny is 0.2, and cold 0.3. If his gross sales on these three types of day are $50, $35, and $10 respectively on average and his average daily costs are $18 on any day.
Required:
a. Complete the probability distribution.
b. Find his expected profit per day.
Answer:
30.5
Step-by-step explanation:
Let ;
Sunny = S ; Medium = M ; Cold = C
_____ S _____ M ___ C
__X : 50 ____ 35 ___ 10
P(X) : 0.2 ____ 0.5 __ 0.3
P(M) = 1 - (0.2 + 0.3)
P(M) = 1 - 0.5 = 0.5
Expected profit per day, E(X)
E(X) = sum of (X * p(x)
E(X) = (50 * 0.2) + (35 * 0.5) + (10 * 0.3)
E(X) = 10 + 17.5 + 3
E(X) = 30.5
Find the value of x
Please help i don’t know the answer
Answer:
44 + 45 = 99° divided by 2 = 49.5 (you can round to 49)
Please help I need it
Answer:
A. Yeah
Step-by-step explanation:
Four friends share 2 sandwhiches equally. How much sandwhich will each friend get?
Answer:
Each friend will get a half of a sandwich
Step-by-step explanation:
1 friend 1 friend
1 friend 1 friend
(split the two sandwiches in half)
Now you have 4 halfs to give to your 4 friends
whats the answer a b or c
Answer:
∠C & ∠P
Step-by-step explanation:
2. Write (2+5i)(3-1) as a complex number in standard form a+bi.
real part + imaginary part
Answer:4+10i
Step-by-step explanation:
6+15i-2-5i
4+10i
GH is tangent to both circle A and circle E. Determine the length of HE.
01) 27 units
2) 3 units
03) 1.8 units
4) 4 units
Answer:
3 unit is the correct answer
Answer:
3 units
Step-by-step explanation:I took the test
Carrots cost 0.84 euros per kilogram.
Onions cost 0.92 euros per kilogram.
Anna buys 500 grams of carrots and 750 grams of onions.
She pays with a 5 euro note.
(c) Work out how much change Anna should receive.
0.84 * (500/1000) = 0.84 * 0.5 = 0.42
0.92 * (750/1000) = 0.92 * 0.75 = 0.69
5 - (0.42 + 0.69) = 5 - 1.11 = 3.89 Euro
Answer is 3.89
Which option best shows X > -8
The answer is on the picture.
What the distance between (1,-9) and (6,-6)
Answer:
8 units for 1, -9
6 units for 6, -6
Step-by-step explanation:
A class of fourth graders decides to split into groups based on the first letter of their last names.then,they choose students from each group.what type of sampling is used?
A.Quota sampling
B.Volunteer sampling
C.Purposive sampling
D.Convenience sampling
Answer:
Volunteers sampling is correct answer
16)
X = 5
y=-3
What is the solution to the system of equations?
A)
(0,0)
B)
(5.-3)
(-5,3)
D)
(-3,5)
Answer:
B) (5, -3)
Step-by-step explanation:
Someone please help me
Answer: the general equation for a circle is ( x - h )^2 + ( y - k )^2 = r^2, where ( h, k ) is the center and r is the radius
Answer:
its false
Step-by-step explanation: i am 100% sure
Please help! NO FAKE ANSWERS PLEASE!!!!!
There are 20 cookies in a bowl and 19 of them are chocolate. What percentages of the cookies are chocolate?
Determine the measure of central tendency that best represents the data set below.
15, 12, 11, 17, 18, 20, 34, 8, 9, 20
Answer:
Mean
Step-by-step explanation:
best measure of central tendency to use when your data distribution is continuous and symmetrical
*it depends on what you are trying to show from this set of data!
a shark is located 45 feet directly below a swimmer on the surface of the water. the angle of depression from a boat nearby to the shark is 64 degrees. how far is the swimmer from the boat
Using the slope concept, it is found that the swimmer is 21.95 feet from the boat.
What is a slope?The slope is given by the vertical change divided by the horizontal change.It's also the tangent of the angle of depression.In this problem:
A shark is located 45 feet directly below a swimmer on the surface of the water, hence the vertical change is 45.The distance d is the horizontal change, which we want to find.The angle is of 64º.Hence:
[tex]\tan{64^{\circ}} = \frac{45}{d}[/tex]
[tex]d = \frac{45}{\tan{64^{\circ}}}[/tex]
[tex]d = 21.95[/tex]
The swimmer is 21.95 feet from the boat.
You can learn more about the slope concept at https://brainly.com/question/26342863
Which of these is the algebraic expression for "5 less than 6 times some number"?
6t - 5
5t - 6
5 - 6t
6 - 5t
Answer:
6t - 5
Step-by-step explanation:
hope you have a good day
Answer: correct me if im wrong but i think its 5-6t
Step-by-step explanation:
Can someone help me I’m really bad in geometry
He travelled 52.6 feet which is the hypotenuse. Then use sin ratio to solve for h.